修改系统

stdiet-common/src/main/java/com/stdiet/common/utils/Arith.java

@@ -0,0 +1,114 @@
+package com.stdiet.common.utils;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+
+/**
+ * 精确的浮点数运算
+ * 
+ * @author stdiet
+ */
+public class Arith
+{
+
+    /** 默认除法运算精度 */
+    private static final int DEF_DIV_SCALE = 10;
+
+    /** 这个类不能实例化 */
+    private Arith()
+    {
+    }
+
+    /**
+     * 提供精确的加法运算。
+     * @param v1 被加数
+     * @param v2 加数
+     * @return 两个参数的和
+     */
+    public static double add(double v1, double v2)
+    {
+        BigDecimal b1 = new BigDecimal(Double.toString(v1));
+        BigDecimal b2 = new BigDecimal(Double.toString(v2));
+        return b1.add(b2).doubleValue();
+    }
+
+    /**
+     * 提供精确的减法运算。
+     * @param v1 被减数
+     * @param v2 减数
+     * @return 两个参数的差
+     */
+    public static double sub(double v1, double v2)
+    {
+        BigDecimal b1 = new BigDecimal(Double.toString(v1));
+        BigDecimal b2 = new BigDecimal(Double.toString(v2));
+        return b1.subtract(b2).doubleValue();
+    }
+
+    /**
+     * 提供精确的乘法运算。
+     * @param v1 被乘数
+     * @param v2 乘数
+     * @return 两个参数的积
+     */
+    public static double mul(double v1, double v2)
+    {
+        BigDecimal b1 = new BigDecimal(Double.toString(v1));
+        BigDecimal b2 = new BigDecimal(Double.toString(v2));
+        return b1.multiply(b2).doubleValue();
+    }
+
+    /**
+     * 提供（相对）精确的除法运算，当发生除不尽的情况时，精确到
+     * 小数点以后10位，以后的数字四舍五入。
+     * @param v1 被除数
+     * @param v2 除数
+     * @return 两个参数的商
+     */
+    public static double div(double v1, double v2)
+    {
+        return div(v1, v2, DEF_DIV_SCALE);
+    }
+
+    /**
+     * 提供（相对）精确的除法运算。当发生除不尽的情况时，由scale参数指
+     * 定精度，以后的数字四舍五入。
+     * @param v1 被除数
+     * @param v2 除数
+     * @param scale 表示表示需要精确到小数点以后几位。
+     * @return 两个参数的商
+     */
+    public static double div(double v1, double v2, int scale)
+    {
+        if (scale < 0)
+        {
+            throw new IllegalArgumentException(
+                    "The scale must be a positive integer or zero");
+        }
+        BigDecimal b1 = new BigDecimal(Double.toString(v1));
+        BigDecimal b2 = new BigDecimal(Double.toString(v2));
+        if (b1.compareTo(BigDecimal.ZERO) == 0)
+        {
+            return BigDecimal.ZERO.doubleValue();
+        }
+        return b1.divide(b2, scale, RoundingMode.HALF_UP).doubleValue();
+    }
+
+    /**
+     * 提供精确的小数位四舍五入处理。
+     * @param v 需要四舍五入的数字
+     * @param scale 小数点后保留几位
+     * @return 四舍五入后的结果
+     */
+    public static double round(double v, int scale)
+    {
+        if (scale < 0)
+        {
+            throw new IllegalArgumentException(
+                    "The scale must be a positive integer or zero");
+        }
+        BigDecimal b = new BigDecimal(Double.toString(v));
+        BigDecimal one = new BigDecimal("1");
+        return b.divide(one, scale, RoundingMode.HALF_UP).doubleValue();
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/DateUtils.java

@@ -0,0 +1,155 @@
+package com.stdiet.common.utils;
+
+import java.lang.management.ManagementFactory;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import org.apache.commons.lang3.time.DateFormatUtils;
+
+/**
+ * 时间工具类
+ * 
+ * @author stdiet
+ */
+public class DateUtils extends org.apache.commons.lang3.time.DateUtils
+{
+    public static String YYYY = "yyyy";
+
+    public static String YYYY_MM = "yyyy-MM";
+
+    public static String YYYY_MM_DD = "yyyy-MM-dd";
+
+    public static String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";
+
+    public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";
+    
+    private static String[] parsePatterns = {
+            "yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM", 
+            "yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM",
+            "yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm", "yyyy.MM"};
+
+    /**
+     * 获取当前Date型日期
+     * 
+     * @return Date() 当前日期
+     */
+    public static Date getNowDate()
+    {
+        return new Date();
+    }
+
+    /**
+     * 获取当前日期, 默认格式为yyyy-MM-dd
+     * 
+     * @return String
+     */
+    public static String getDate()
+    {
+        return dateTimeNow(YYYY_MM_DD);
+    }
+
+    public static final String getTime()
+    {
+        return dateTimeNow(YYYY_MM_DD_HH_MM_SS);
+    }
+
+    public static final String dateTimeNow()
+    {
+        return dateTimeNow(YYYYMMDDHHMMSS);
+    }
+
+    public static final String dateTimeNow(final String format)
+    {
+        return parseDateToStr(format, new Date());
+    }
+
+    public static final String dateTime(final Date date)
+    {
+        return parseDateToStr(YYYY_MM_DD, date);
+    }
+
+    public static final String parseDateToStr(final String format, final Date date)
+    {
+        return new SimpleDateFormat(format).format(date);
+    }
+
+    public static final Date dateTime(final String format, final String ts)
+    {
+        try
+        {
+            return new SimpleDateFormat(format).parse(ts);
+        }
+        catch (ParseException e)
+        {
+            throw new RuntimeException(e);
+        }
+    }
+
+    /**
+     * 日期路径 即年/月/日 如2018/08/08
+     */
+    public static final String datePath()
+    {
+        Date now = new Date();
+        return DateFormatUtils.format(now, "yyyy/MM/dd");
+    }
+
+    /**
+     * 日期路径 即年/月/日 如20180808
+     */
+    public static final String dateTime()
+    {
+        Date now = new Date();
+        return DateFormatUtils.format(now, "yyyyMMdd");
+    }
+
+    /**
+     * 日期型字符串转化为日期 格式
+     */
+    public static Date parseDate(Object str)
+    {
+        if (str == null)
+        {
+            return null;
+        }
+        try
+        {
+            return parseDate(str.toString(), parsePatterns);
+        }
+        catch (ParseException e)
+        {
+            return null;
+        }
+    }
+    
+    /**
+     * 获取服务器启动时间
+     */
+    public static Date getServerStartDate()
+    {
+        long time = ManagementFactory.getRuntimeMXBean().getStartTime();
+        return new Date(time);
+    }
+
+    /**
+     * 计算两个时间差
+     */
+    public static String getDatePoor(Date endDate, Date nowDate)
+    {
+        long nd = 1000 * 24 * 60 * 60;
+        long nh = 1000 * 60 * 60;
+        long nm = 1000 * 60;
+        // long ns = 1000;
+        // 获得两个时间的毫秒时间差异
+        long diff = endDate.getTime() - nowDate.getTime();
+        // 计算差多少天
+        long day = diff / nd;
+        // 计算差多少小时
+        long hour = diff % nd / nh;
+        // 计算差多少分钟
+        long min = diff % nd % nh / nm;
+        // 计算差多少秒//输出结果
+        // long sec = diff % nd % nh % nm / ns;
+        return day + "天" + hour + "小时" + min + "分钟";
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/DictUtils.java

@@ -0,0 +1,173 @@
+package com.stdiet.common.utils;
+
+import java.util.Collection;
+import java.util.List;
+import com.stdiet.common.constant.Constants;
+import com.stdiet.common.core.domain.entity.SysDictData;
+import com.stdiet.common.core.redis.RedisCache;
+import com.stdiet.common.utils.spring.SpringUtils;
+
+/**
+ * 字典工具类
+ * 
+ * @author ruoyi
+ */
+public class DictUtils
+{
+    /**
+     * 分隔符
+     */
+    public static final String SEPARATOR = ",";
+
+    /**
+     * 设置字典缓存
+     * 
+     * @param key 参数键
+     * @param dictDatas 字典数据列表
+     */
+    public static void setDictCache(String key, List<SysDictData> dictDatas)
+    {
+        SpringUtils.getBean(RedisCache.class).setCacheObject(getCacheKey(key), dictDatas);
+    }
+
+    /**
+     * 获取字典缓存
+     * 
+     * @param key 参数键
+     * @return dictDatas 字典数据列表
+     */
+    public static List<SysDictData> getDictCache(String key)
+    {
+        Object cacheObj = SpringUtils.getBean(RedisCache.class).getCacheObject(getCacheKey(key));
+        if (StringUtils.isNotNull(cacheObj))
+        {
+            List<SysDictData> dictDatas = StringUtils.cast(cacheObj);
+            return dictDatas;
+        }
+        return null;
+    }
+
+    /**
+     * 根据字典类型和字典值获取字典标签
+     * 
+     * @param dictType 字典类型
+     * @param dictValue 字典值
+     * @return 字典标签
+     */
+    public static String getDictLabel(String dictType, String dictValue)
+    {
+        return getDictLabel(dictType, dictValue, SEPARATOR);
+    }
+
+    /**
+     * 根据字典类型和字典标签获取字典值
+     * 
+     * @param dictType 字典类型
+     * @param dictLabel 字典标签
+     * @return 字典值
+     */
+    public static String getDictValue(String dictType, String dictLabel)
+    {
+        return getDictValue(dictType, dictLabel, SEPARATOR);
+    }
+
+    /**
+     * 根据字典类型和字典值获取字典标签
+     * 
+     * @param dictType 字典类型
+     * @param dictValue 字典值
+     * @param separator 分隔符
+     * @return 字典标签
+     */
+    public static String getDictLabel(String dictType, String dictValue, String separator)
+    {
+        StringBuilder propertyString = new StringBuilder();
+        List<SysDictData> datas = getDictCache(dictType);
+
+        if (StringUtils.containsAny(separator, dictValue) && StringUtils.isNotEmpty(datas))
+        {
+            for (SysDictData dict : datas)
+            {
+                for (String value : dictValue.split(separator))
+                {
+                    if (value.equals(dict.getDictValue()))
+                    {
+                        propertyString.append(dict.getDictLabel() + separator);
+                        break;
+                    }
+                }
+            }
+        }
+        else
+        {
+            for (SysDictData dict : datas)
+            {
+                if (dictValue.equals(dict.getDictValue()))
+                {
+                    return dict.getDictLabel();
+                }
+            }
+        }
+        return StringUtils.stripEnd(propertyString.toString(), separator);
+    }
+
+    /**
+     * 根据字典类型和字典标签获取字典值
+     * 
+     * @param dictType 字典类型
+     * @param dictLabel 字典标签
+     * @param separator 分隔符
+     * @return 字典值
+     */
+    public static String getDictValue(String dictType, String dictLabel, String separator)
+    {
+        StringBuilder propertyString = new StringBuilder();
+        List<SysDictData> datas = getDictCache(dictType);
+
+        if (StringUtils.containsAny(separator, dictLabel) && StringUtils.isNotEmpty(datas))
+        {
+            for (SysDictData dict : datas)
+            {
+                for (String label : dictLabel.split(separator))
+                {
+                    if (label.equals(dict.getDictLabel()))
+                    {
+                        propertyString.append(dict.getDictValue() + separator);
+                        break;
+                    }
+                }
+            }
+        }
+        else
+        {
+            for (SysDictData dict : datas)
+            {
+                if (dictLabel.equals(dict.getDictLabel()))
+                {
+                    return dict.getDictValue();
+                }
+            }
+        }
+        return StringUtils.stripEnd(propertyString.toString(), separator);
+    }
+
+    /**
+     * 清空字典缓存
+     */
+    public static void clearDictCache()
+    {
+        Collection<String> keys = SpringUtils.getBean(RedisCache.class).keys(Constants.SYS_DICT_KEY + "*");
+        SpringUtils.getBean(RedisCache.class).deleteObject(keys);
+    }
+
+    /**
+     * 设置cache key
+     * 
+     * @param configKey 参数键
+     * @return 缓存键key
+     */
+    public static String getCacheKey(String configKey)
+    {
+        return Constants.SYS_DICT_KEY + configKey;
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/ExceptionUtil.java

@@ -0,0 +1,40 @@
+package com.stdiet.common.utils;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import org.apache.commons.lang3.exception.ExceptionUtils;
+
+/**
+ * 错误信息处理类。
+ *
+ * @author ruoyi
+ */
+public class ExceptionUtil
+{
+    /**
+     * 获取exception的详细错误信息。
+     */
+    public static String getExceptionMessage(Throwable e)
+    {
+        StringWriter sw = new StringWriter();
+        e.printStackTrace(new PrintWriter(sw, true));
+        String str = sw.toString();
+        return str;
+    }
+
+    public static String getRootErrorMseeage(Exception e)
+    {
+        Throwable root = ExceptionUtils.getRootCause(e);
+        root = (root == null ? e : root);
+        if (root == null)
+        {
+            return "";
+        }
+        String msg = root.getMessage();
+        if (msg == null)
+        {
+            return "null";
+        }
+        return StringUtils.defaultString(msg);
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/LogUtils.java

@@ -0,0 +1,18 @@
+package com.stdiet.common.utils;
+
+/**
+ * 处理并记录日志文件
+ * 
+ * @author stdiet
+ */
+public class LogUtils
+{
+    public static String getBlock(Object msg)
+    {
+        if (msg == null)
+        {
+            msg = "";
+        }
+        return "[" + msg.toString() + "]";
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/MessageUtils.java

@@ -0,0 +1,26 @@
+package com.stdiet.common.utils;
+
+import org.springframework.context.MessageSource;
+import org.springframework.context.i18n.LocaleContextHolder;
+import com.stdiet.common.utils.spring.SpringUtils;
+
+/**
+ * 获取i18n资源文件
+ * 
+ * @author stdiet
+ */
+public class MessageUtils
+{
+    /**
+     * 根据消息键和参数 获取消息 委托给spring messageSource
+     *
+     * @param code 消息键
+     * @param args 参数
+     * @return 获取国际化翻译值
+     */
+    public static String message(String code, Object... args)
+    {
+        MessageSource messageSource = SpringUtils.getBean(MessageSource.class);
+        return messageSource.getMessage(code, args, LocaleContextHolder.getLocale());
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/SecurityUtils.java

@@ -0,0 +1,90 @@
+package com.stdiet.common.utils;
+
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import com.stdiet.common.constant.HttpStatus;
+import com.stdiet.common.core.domain.model.LoginUser;
+import com.stdiet.common.exception.CustomException;
+
+/**
+ * 安全服务工具类
+ * 
+ * @author stdiet
+ */
+public class SecurityUtils
+{
+    /**
+     * 获取用户账户
+     **/
+    public static String getUsername()
+    {
+        try
+        {
+            return getLoginUser().getUsername();
+        }
+        catch (Exception e)
+        {
+            throw new CustomException("获取用户账户异常", HttpStatus.UNAUTHORIZED);
+        }
+    }
+
+    /**
+     * 获取用户
+     **/
+    public static LoginUser getLoginUser()
+    {
+        try
+        {
+            return (LoginUser) getAuthentication().getPrincipal();
+        }
+        catch (Exception e)
+        {
+            throw new CustomException("获取用户信息异常", HttpStatus.UNAUTHORIZED);
+        }
+    }
+
+    /**
+     * 获取Authentication
+     */
+    public static Authentication getAuthentication()
+    {
+        return SecurityContextHolder.getContext().getAuthentication();
+    }
+
+    /**
+     * 生成BCryptPasswordEncoder密码
+     *
+     * @param password 密码
+     * @return 加密字符串
+     */
+    public static String encryptPassword(String password)
+    {
+        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
+        return passwordEncoder.encode(password);
+    }
+
+    /**
+     * 判断密码是否相同
+     *
+     * @param rawPassword 真实密码
+     * @param encodedPassword 加密后字符
+     * @return 结果
+     */
+    public static boolean matchesPassword(String rawPassword, String encodedPassword)
+    {
+        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
+        return passwordEncoder.matches(rawPassword, encodedPassword);
+    }
+
+    /**
+     * 是否为管理员
+     * 
+     * @param userId 用户ID
+     * @return 结果
+     */
+    public static boolean isAdmin(Long userId)
+    {
+        return userId != null && 1L == userId;
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/ServletUtils.java

@@ -0,0 +1,136 @@
+package com.stdiet.common.utils;
+
+import java.io.IOException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+import org.springframework.web.context.request.RequestAttributes;
+import org.springframework.web.context.request.RequestContextHolder;
+import org.springframework.web.context.request.ServletRequestAttributes;
+import com.stdiet.common.core.text.Convert;
+
+/**
+ * 客户端工具类
+ * 
+ * @author ruoyi
+ */
+public class ServletUtils
+{
+    /**
+     * 获取String参数
+     */
+    public static String getParameter(String name)
+    {
+        return getRequest().getParameter(name);
+    }
+
+    /**
+     * 获取String参数
+     */
+    public static String getParameter(String name, String defaultValue)
+    {
+        return Convert.toStr(getRequest().getParameter(name), defaultValue);
+    }
+
+    /**
+     * 获取Integer参数
+     */
+    public static Integer getParameterToInt(String name)
+    {
+        return Convert.toInt(getRequest().getParameter(name));
+    }
+
+    /**
+     * 获取Integer参数
+     */
+    public static Integer getParameterToInt(String name, Integer defaultValue)
+    {
+        return Convert.toInt(getRequest().getParameter(name), defaultValue);
+    }
+
+    /**
+     * 获取request
+     */
+    public static HttpServletRequest getRequest()
+    {
+        return getRequestAttributes().getRequest();
+    }
+
+    /**
+     * 获取response
+     */
+    public static HttpServletResponse getResponse()
+    {
+        return getRequestAttributes().getResponse();
+    }
+
+    /**
+     * 获取session
+     */
+    public static HttpSession getSession()
+    {
+        return getRequest().getSession();
+    }
+
+    public static ServletRequestAttributes getRequestAttributes()
+    {
+        RequestAttributes attributes = RequestContextHolder.getRequestAttributes();
+        return (ServletRequestAttributes) attributes;
+    }
+
+    /**
+     * 将字符串渲染到客户端
+     * 
+     * @param response 渲染对象
+     * @param string 待渲染的字符串
+     * @return null
+     */
+    public static String renderString(HttpServletResponse response, String string)
+    {
+        try
+        {
+            response.setStatus(200);
+            response.setContentType("application/json");
+            response.setCharacterEncoding("utf-8");
+            response.getWriter().print(string);
+        }
+        catch (IOException e)
+        {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    /**
+     * 是否是Ajax异步请求
+     * 
+     * @param request
+     */
+    public static boolean isAjaxRequest(HttpServletRequest request)
+    {
+        String accept = request.getHeader("accept");
+        if (accept != null && accept.indexOf("application/json") != -1)
+        {
+            return true;
+        }
+
+        String xRequestedWith = request.getHeader("X-Requested-With");
+        if (xRequestedWith != null && xRequestedWith.indexOf("XMLHttpRequest") != -1)
+        {
+            return true;
+        }
+
+        String uri = request.getRequestURI();
+        if (StringUtils.inStringIgnoreCase(uri, ".json", ".xml"))
+        {
+            return true;
+        }
+
+        String ajax = request.getParameter("__ajax");
+        if (StringUtils.inStringIgnoreCase(ajax, "json", "xml"))
+        {
+            return true;
+        }
+        return false;
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/StringUtils.java

@@ -0,0 +1,459 @@
+package com.stdiet.common.utils;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import com.stdiet.common.core.text.StrFormatter;
+
+/**
+ * 字符串工具类
+ * 
+ * @author ruoyi
+ */
+public class StringUtils extends org.apache.commons.lang3.StringUtils
+{
+    /** 空字符串 */
+    private static final String NULLSTR = "";
+
+    /** 下划线 */
+    private static final char SEPARATOR = '_';
+
+    /**
+     * 获取参数不为空值
+     * 
+     * @param value defaultValue 要判断的value
+     * @return value 返回值
+     */
+    public static <T> T nvl(T value, T defaultValue)
+    {
+        return value != null ? value : defaultValue;
+    }
+
+    /**
+     * * 判断一个Collection是否为空， 包含List，Set，Queue
+     * 
+     * @param coll 要判断的Collection
+     * @return true：为空 false：非空
+     */
+    public static boolean isEmpty(Collection<?> coll)
+    {
+        return isNull(coll) || coll.isEmpty();
+    }
+
+    /**
+     * * 判断一个Collection是否非空，包含List，Set，Queue
+     * 
+     * @param coll 要判断的Collection
+     * @return true：非空 false：空
+     */
+    public static boolean isNotEmpty(Collection<?> coll)
+    {
+        return !isEmpty(coll);
+    }
+
+    /**
+     * * 判断一个对象数组是否为空
+     * 
+     * @param objects 要判断的对象数组
+     ** @return true：为空 false：非空
+     */
+    public static boolean isEmpty(Object[] objects)
+    {
+        return isNull(objects) || (objects.length == 0);
+    }
+
+    /**
+     * * 判断一个对象数组是否非空
+     * 
+     * @param objects 要判断的对象数组
+     * @return true：非空 false：空
+     */
+    public static boolean isNotEmpty(Object[] objects)
+    {
+        return !isEmpty(objects);
+    }
+
+    /**
+     * * 判断一个Map是否为空
+     * 
+     * @param map 要判断的Map
+     * @return true：为空 false：非空
+     */
+    public static boolean isEmpty(Map<?, ?> map)
+    {
+        return isNull(map) || map.isEmpty();
+    }
+
+    /**
+     * * 判断一个Map是否为空
+     * 
+     * @param map 要判断的Map
+     * @return true：非空 false：空
+     */
+    public static boolean isNotEmpty(Map<?, ?> map)
+    {
+        return !isEmpty(map);
+    }
+
+    /**
+     * * 判断一个字符串是否为空串
+     * 
+     * @param str String
+     * @return true：为空 false：非空
+     */
+    public static boolean isEmpty(String str)
+    {
+        return isNull(str) || NULLSTR.equals(str.trim());
+    }
+
+    /**
+     * * 判断一个字符串是否为非空串
+     * 
+     * @param str String
+     * @return true：非空串 false：空串
+     */
+    public static boolean isNotEmpty(String str)
+    {
+        return !isEmpty(str);
+    }
+
+    /**
+     * * 判断一个对象是否为空
+     * 
+     * @param object Object
+     * @return true：为空 false：非空
+     */
+    public static boolean isNull(Object object)
+    {
+        return object == null;
+    }
+
+    /**
+     * * 判断一个对象是否非空
+     * 
+     * @param object Object
+     * @return true：非空 false：空
+     */
+    public static boolean isNotNull(Object object)
+    {
+        return !isNull(object);
+    }
+
+    /**
+     * * 判断一个对象是否是数组类型（Java基本型别的数组）
+     * 
+     * @param object 对象
+     * @return true：是数组 false：不是数组
+     */
+    public static boolean isArray(Object object)
+    {
+        return isNotNull(object) && object.getClass().isArray();
+    }
+
+    /**
+     * 去空格
+     */
+    public static String trim(String str)
+    {
+        return (str == null ? "" : str.trim());
+    }
+
+    /**
+     * 截取字符串
+     * 
+     * @param str 字符串
+     * @param start 开始
+     * @return 结果
+     */
+    public static String substring(final String str, int start)
+    {
+        if (str == null)
+        {
+            return NULLSTR;
+        }
+
+        if (start < 0)
+        {
+            start = str.length() + start;
+        }
+
+        if (start < 0)
+        {
+            start = 0;
+        }
+        if (start > str.length())
+        {
+            return NULLSTR;
+        }
+
+        return str.substring(start);
+    }
+
+    /**
+     * 截取字符串
+     * 
+     * @param str 字符串
+     * @param start 开始
+     * @param end 结束
+     * @return 结果
+     */
+    public static String substring(final String str, int start, int end)
+    {
+        if (str == null)
+        {
+            return NULLSTR;
+        }
+
+        if (end < 0)
+        {
+            end = str.length() + end;
+        }
+        if (start < 0)
+        {
+            start = str.length() + start;
+        }
+
+        if (end > str.length())
+        {
+            end = str.length();
+        }
+
+        if (start > end)
+        {
+            return NULLSTR;
+        }
+
+        if (start < 0)
+        {
+            start = 0;
+        }
+        if (end < 0)
+        {
+            end = 0;
+        }
+
+        return str.substring(start, end);
+    }
+
+    /**
+     * 格式化文本, {} 表示占位符<br>
+     * 此方法只是简单将占位符 {} 按照顺序替换为参数<br>
+     * 如果想输出 {} 使用 \\转义 { 即可，如果想输出 {} 之前的 \ 使用双转义符 \\\\ 即可<br>
+     * 例：<br>
+     * 通常使用：format("this is {} for {}", "a", "b") -> this is a for b<br>
+     * 转义{}： format("this is \\{} for {}", "a", "b") -> this is \{} for a<br>
+     * 转义\： format("this is \\\\{} for {}", "a", "b") -> this is \a for b<br>
+     * 
+     * @param template 文本模板，被替换的部分用 {} 表示
+     * @param params 参数值
+     * @return 格式化后的文本
+     */
+    public static String format(String template, Object... params)
+    {
+        if (isEmpty(params) || isEmpty(template))
+        {
+            return template;
+        }
+        return StrFormatter.format(template, params);
+    }
+
+    /**
+     * 字符串转set
+     * 
+     * @param str 字符串
+     * @param sep 分隔符
+     * @return set集合
+     */
+    public static final Set<String> str2Set(String str, String sep)
+    {
+        return new HashSet<String>(str2List(str, sep, true, false));
+    }
+
+    /**
+     * 字符串转list
+     * 
+     * @param str 字符串
+     * @param sep 分隔符
+     * @param filterBlank 过滤纯空白
+     * @param trim 去掉首尾空白
+     * @return list集合
+     */
+    public static final List<String> str2List(String str, String sep, boolean filterBlank, boolean trim)
+    {
+        List<String> list = new ArrayList<String>();
+        if (StringUtils.isEmpty(str))
+        {
+            return list;
+        }
+
+        // 过滤空白字符串
+        if (filterBlank && StringUtils.isBlank(str))
+        {
+            return list;
+        }
+        String[] split = str.split(sep);
+        for (String string : split)
+        {
+            if (filterBlank && StringUtils.isBlank(string))
+            {
+                continue;
+            }
+            if (trim)
+            {
+                string = string.trim();
+            }
+            list.add(string);
+        }
+
+        return list;
+    }
+
+    /**
+     * 下划线转驼峰命名
+     */
+    public static String toUnderScoreCase(String str)
+    {
+        if (str == null)
+        {
+            return null;
+        }
+        StringBuilder sb = new StringBuilder();
+        // 前置字符是否大写
+        boolean preCharIsUpperCase = true;
+        // 当前字符是否大写
+        boolean curreCharIsUpperCase = true;
+        // 下一字符是否大写
+        boolean nexteCharIsUpperCase = true;
+        for (int i = 0; i < str.length(); i++)
+        {
+            char c = str.charAt(i);
+            if (i > 0)
+            {
+                preCharIsUpperCase = Character.isUpperCase(str.charAt(i - 1));
+            }
+            else
+            {
+                preCharIsUpperCase = false;
+            }
+
+            curreCharIsUpperCase = Character.isUpperCase(c);
+
+            if (i < (str.length() - 1))
+            {
+                nexteCharIsUpperCase = Character.isUpperCase(str.charAt(i + 1));
+            }
+
+            if (preCharIsUpperCase && curreCharIsUpperCase && !nexteCharIsUpperCase)
+            {
+                sb.append(SEPARATOR);
+            }
+            else if ((i != 0 && !preCharIsUpperCase) && curreCharIsUpperCase)
+            {
+                sb.append(SEPARATOR);
+            }
+            sb.append(Character.toLowerCase(c));
+        }
+
+        return sb.toString();
+    }
+
+    /**
+     * 是否包含字符串
+     * 
+     * @param str 验证字符串
+     * @param strs 字符串组
+     * @return 包含返回true
+     */
+    public static boolean inStringIgnoreCase(String str, String... strs)
+    {
+        if (str != null && strs != null)
+        {
+            for (String s : strs)
+            {
+                if (str.equalsIgnoreCase(trim(s)))
+                {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    /**
+     * 将下划线大写方式命名的字符串转换为驼峰式。如果转换前的下划线大写方式命名的字符串为空，则返回空字符串。 例如：HELLO_WORLD->HelloWorld
+     * 
+     * @param name 转换前的下划线大写方式命名的字符串
+     * @return 转换后的驼峰式命名的字符串
+     */
+    public static String convertToCamelCase(String name)
+    {
+        StringBuilder result = new StringBuilder();
+        // 快速检查
+        if (name == null || name.isEmpty())
+        {
+            // 没必要转换
+            return "";
+        }
+        else if (!name.contains("_"))
+        {
+            // 不含下划线，仅将首字母大写
+            return name.substring(0, 1).toUpperCase() + name.substring(1);
+        }
+        // 用下划线将原始字符串分割
+        String[] camels = name.split("_");
+        for (String camel : camels)
+        {
+            // 跳过原始字符串中开头、结尾的下换线或双重下划线
+            if (camel.isEmpty())
+            {
+                continue;
+            }
+            // 首字母大写
+            result.append(camel.substring(0, 1).toUpperCase());
+            result.append(camel.substring(1).toLowerCase());
+        }
+        return result.toString();
+    }
+
+    /**
+     * 驼峰式命名法 例如：user_name->userName
+     */
+    public static String toCamelCase(String s)
+    {
+        if (s == null)
+        {
+            return null;
+        }
+        s = s.toLowerCase();
+        StringBuilder sb = new StringBuilder(s.length());
+        boolean upperCase = false;
+        for (int i = 0; i < s.length(); i++)
+        {
+            char c = s.charAt(i);
+
+            if (c == SEPARATOR)
+            {
+                upperCase = true;
+            }
+            else if (upperCase)
+            {
+                sb.append(Character.toUpperCase(c));
+                upperCase = false;
+            }
+            else
+            {
+                sb.append(c);
+            }
+        }
+        return sb.toString();
+    }
+
+    @SuppressWarnings("unchecked")
+    public static <T> T cast(Object obj)
+    {
+        return (T) obj;
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/Threads.java

@@ -0,0 +1,99 @@
+package com.stdiet.common.utils;
+
+import java.util.concurrent.CancellationException;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * 线程相关工具类.
+ * 
+ * @author stdiet
+ */
+public class Threads
+{
+    private static final Logger logger = LoggerFactory.getLogger(Threads.class);
+
+    /**
+     * sleep等待,单位为毫秒
+     */
+    public static void sleep(long milliseconds)
+    {
+        try
+        {
+            Thread.sleep(milliseconds);
+        }
+        catch (InterruptedException e)
+        {
+            return;
+        }
+    }
+
+    /**
+     * 停止线程池
+     * 先使用shutdown, 停止接收新任务并尝试完成所有已存在任务.
+     * 如果超时, 则调用shutdownNow, 取消在workQueue中Pending的任务,并中断所有阻塞函数.
+     * 如果仍人超時，則強制退出.
+     * 另对在shutdown时线程本身被调用中断做了处理.
+     */
+    public static void shutdownAndAwaitTermination(ExecutorService pool)
+    {
+        if (pool != null && !pool.isShutdown())
+        {
+            pool.shutdown();
+            try
+            {
+                if (!pool.awaitTermination(120, TimeUnit.SECONDS))
+                {
+                    pool.shutdownNow();
+                    if (!pool.awaitTermination(120, TimeUnit.SECONDS))
+                    {
+                        logger.info("Pool did not terminate");
+                    }
+                }
+            }
+            catch (InterruptedException ie)
+            {
+                pool.shutdownNow();
+                Thread.currentThread().interrupt();
+            }
+        }
+    }
+
+    /**
+     * 打印线程异常信息
+     */
+    public static void printException(Runnable r, Throwable t)
+    {
+        if (t == null && r instanceof Future<?>)
+        {
+            try
+            {
+                Future<?> future = (Future<?>) r;
+                if (future.isDone())
+                {
+                    future.get();
+                }
+            }
+            catch (CancellationException ce)
+            {
+                t = ce;
+            }
+            catch (ExecutionException ee)
+            {
+                t = ee.getCause();
+            }
+            catch (InterruptedException ie)
+            {
+                Thread.currentThread().interrupt();
+            }
+        }
+        if (t != null)
+        {
+            logger.error(t.getMessage(), t);
+        }
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/VerifyCodeUtils.java

@@ -0,0 +1,228 @@
+package com.stdiet.common.utils;
+
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.RenderingHints;
+import java.awt.geom.AffineTransform;
+import java.awt.image.BufferedImage;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.security.SecureRandom;
+import java.util.Arrays;
+import java.util.Random;
+import javax.imageio.ImageIO;
+
+/**
+ * 验证码工具类
+ * 
+ * @author ruoyi
+ */
+public class VerifyCodeUtils
+{
+    // 使用到Algerian字体，系统里没有的话需要安装字体，字体只显示大写，去掉了1,0,i,o几个容易混淆的字符
+    public static final String VERIFY_CODES = "123456789ABCDEFGHJKLMNPQRSTUVWXYZ";
+
+    private static Random random = new SecureRandom();
+
+    /**
+     * 使用系统默认字符源生成验证码
+     * 
+     * @param verifySize 验证码长度
+     * @return
+     */
+    public static String generateVerifyCode(int verifySize)
+    {
+        return generateVerifyCode(verifySize, VERIFY_CODES);
+    }
+
+    /**
+     * 使用指定源生成验证码
+     * 
+     * @param verifySize 验证码长度
+     * @param sources 验证码字符源
+     * @return
+     */
+    public static String generateVerifyCode(int verifySize, String sources)
+    {
+        if (sources == null || sources.length() == 0)
+        {
+            sources = VERIFY_CODES;
+        }
+        int codesLen = sources.length();
+        Random rand = new Random(System.currentTimeMillis());
+        StringBuilder verifyCode = new StringBuilder(verifySize);
+        for (int i = 0; i < verifySize; i++)
+        {
+            verifyCode.append(sources.charAt(rand.nextInt(codesLen - 1)));
+        }
+        return verifyCode.toString();
+    }
+
+    /**
+     * 输出指定验证码图片流
+     * 
+     * @param w
+     * @param h
+     * @param os
+     * @param code
+     * @throws IOException
+     */
+    public static void outputImage(int w, int h, OutputStream os, String code) throws IOException
+    {
+        int verifySize = code.length();
+        BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
+        Random rand = new Random();
+        Graphics2D g2 = image.createGraphics();
+        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+        Color[] colors = new Color[5];
+        Color[] colorSpaces = new Color[] { Color.WHITE, Color.CYAN, Color.GRAY, Color.LIGHT_GRAY, Color.MAGENTA,
+                Color.ORANGE, Color.PINK, Color.YELLOW };
+        float[] fractions = new float[colors.length];
+        for (int i = 0; i < colors.length; i++)
+        {
+            colors[i] = colorSpaces[rand.nextInt(colorSpaces.length)];
+            fractions[i] = rand.nextFloat();
+        }
+        Arrays.sort(fractions);
+
+        g2.setColor(Color.GRAY);// 设置边框色
+        g2.fillRect(0, 0, w, h);
+
+        Color c = getRandColor(200, 250);
+        g2.setColor(c);// 设置背景色
+        g2.fillRect(0, 2, w, h - 4);
+
+        // 绘制干扰线
+        Random random = new Random();
+        g2.setColor(getRandColor(160, 200));// 设置线条的颜色
+        for (int i = 0; i < 20; i++)
+        {
+            int x = random.nextInt(w - 1);
+            int y = random.nextInt(h - 1);
+            int xl = random.nextInt(6) + 1;
+            int yl = random.nextInt(12) + 1;
+            g2.drawLine(x, y, x + xl + 40, y + yl + 20);
+        }
+
+        // 添加噪点
+        float yawpRate = 0.05f;// 噪声率
+        int area = (int) (yawpRate * w * h);
+        for (int i = 0; i < area; i++)
+        {
+            int x = random.nextInt(w);
+            int y = random.nextInt(h);
+            int rgb = getRandomIntColor();
+            image.setRGB(x, y, rgb);
+        }
+
+        shear(g2, w, h, c);// 使图片扭曲
+
+        g2.setColor(getRandColor(100, 160));
+        int fontSize = h - 4;
+        Font font = new Font("Algerian", Font.ITALIC, fontSize);
+        g2.setFont(font);
+        char[] chars = code.toCharArray();
+        for (int i = 0; i < verifySize; i++)
+        {
+            AffineTransform affine = new AffineTransform();
+            affine.setToRotation(Math.PI / 4 * rand.nextDouble() * (rand.nextBoolean() ? 1 : -1),
+                    (w / verifySize) * i + fontSize / 2, h / 2);
+            g2.setTransform(affine);
+            g2.drawChars(chars, i, 1, ((w - 10) / verifySize) * i + 5, h / 2 + fontSize / 2 - 10);
+        }
+
+        g2.dispose();
+        ImageIO.write(image, "jpg", os);
+    }
+
+    private static Color getRandColor(int fc, int bc)
+    {
+        if (fc > 255) {
+            fc = 255;
+        }
+        if (bc > 255) {
+            bc = 255;
+        }
+        int r = fc + random.nextInt(bc - fc);
+        int g = fc + random.nextInt(bc - fc);
+        int b = fc + random.nextInt(bc - fc);
+        return new Color(r, g, b);
+    }
+
+    private static int getRandomIntColor()
+    {
+        int[] rgb = getRandomRgb();
+        int color = 0;
+        for (int c : rgb)
+        {
+            color = color << 8;
+            color = color | c;
+        }
+        return color;
+    }
+
+    private static int[] getRandomRgb()
+    {
+        int[] rgb = new int[3];
+        for (int i = 0; i < 3; i++)
+        {
+            rgb[i] = random.nextInt(255);
+        }
+        return rgb;
+    }
+
+    private static void shear(Graphics g, int w1, int h1, Color color)
+    {
+        shearX(g, w1, h1, color);
+        shearY(g, w1, h1, color);
+    }
+
+    private static void shearX(Graphics g, int w1, int h1, Color color)
+    {
+
+        int period = random.nextInt(2);
+
+        boolean borderGap = true;
+        int frames = 1;
+        int phase = random.nextInt(2);
+
+        for (int i = 0; i < h1; i++)
+        {
+            double d = (double) (period >> 1)
+                    * Math.sin((double) i / (double) period + (6.2831853071795862D * (double) phase) / (double) frames);
+            g.copyArea(0, i, w1, 1, (int) d, 0);
+            if (borderGap)
+            {
+                g.setColor(color);
+                g.drawLine((int) d, i, 0, i);
+                g.drawLine((int) d + w1, i, w1, i);
+            }
+        }
+
+    }
+
+    private static void shearY(Graphics g, int w1, int h1, Color color)
+    {
+
+        int period = random.nextInt(40) + 10; // 50;
+
+        boolean borderGap = true;
+        int frames = 20;
+        int phase = 7;
+        for (int i = 0; i < w1; i++)
+        {
+            double d = (double) (period >> 1)
+                    * Math.sin((double) i / (double) period + (6.2831853071795862D * (double) phase) / (double) frames);
+            g.copyArea(i, 0, 1, h1, 0, (int) d);
+            if (borderGap)
+            {
+                g.setColor(color);
+                g.drawLine(i, (int) d, i, 0);
+                g.drawLine(i, (int) d + h1, i, h1);
+            }
+
+        }
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/bean/BeanUtils.java

@@ -0,0 +1,110 @@
+package com.stdiet.common.utils.bean;
+
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * Bean 工具类
+ * 
+ * @author stdiet
+ */
+public class BeanUtils extends org.springframework.beans.BeanUtils
+{
+    /** Bean方法名中属性名开始的下标 */
+    private static final int BEAN_METHOD_PROP_INDEX = 3;
+
+    /** * 匹配getter方法的正则表达式 */
+    private static final Pattern GET_PATTERN = Pattern.compile("get(\\p{javaUpperCase}\\w*)");
+
+    /** * 匹配setter方法的正则表达式 */
+    private static final Pattern SET_PATTERN = Pattern.compile("set(\\p{javaUpperCase}\\w*)");
+
+    /**
+     * Bean属性复制工具方法。
+     * 
+     * @param dest 目标对象
+     * @param src 源对象
+     */
+    public static void copyBeanProp(Object dest, Object src)
+    {
+        try
+        {
+            copyProperties(src, dest);
+        }
+        catch (Exception e)
+        {
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * 获取对象的setter方法。
+     * 
+     * @param obj 对象
+     * @return 对象的setter方法列表
+     */
+    public static List<Method> getSetterMethods(Object obj)
+    {
+        // setter方法列表
+        List<Method> setterMethods = new ArrayList<Method>();
+
+        // 获取所有方法
+        Method[] methods = obj.getClass().getMethods();
+
+        // 查找setter方法
+
+        for (Method method : methods)
+        {
+            Matcher m = SET_PATTERN.matcher(method.getName());
+            if (m.matches() && (method.getParameterTypes().length == 1))
+            {
+                setterMethods.add(method);
+            }
+        }
+        // 返回setter方法列表
+        return setterMethods;
+    }
+
+    /**
+     * 获取对象的getter方法。
+     * 
+     * @param obj 对象
+     * @return 对象的getter方法列表
+     */
+
+    public static List<Method> getGetterMethods(Object obj)
+    {
+        // getter方法列表
+        List<Method> getterMethods = new ArrayList<Method>();
+        // 获取所有方法
+        Method[] methods = obj.getClass().getMethods();
+        // 查找getter方法
+        for (Method method : methods)
+        {
+            Matcher m = GET_PATTERN.matcher(method.getName());
+            if (m.matches() && (method.getParameterTypes().length == 0))
+            {
+                getterMethods.add(method);
+            }
+        }
+        // 返回getter方法列表
+        return getterMethods;
+    }
+
+    /**
+     * 检查Bean方法名中的属性名是否相等。<br>
+     * 如getName()和setName()属性名一样，getName()和setAge()属性名不一样。
+     * 
+     * @param m1 方法名1
+     * @param m2 方法名2
+     * @return 属性名一样返回true，否则返回false
+     */
+
+    public static boolean isMethodPropEquals(String m1, String m2)
+    {
+        return m1.substring(BEAN_METHOD_PROP_INDEX).equals(m2.substring(BEAN_METHOD_PROP_INDEX));
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/file/FileUploadUtils.java

@@ -0,0 +1,231 @@
+package com.stdiet.common.utils.file;
+
+import java.io.File;
+import java.io.IOException;
+import org.apache.commons.io.FilenameUtils;
+import org.springframework.web.multipart.MultipartFile;
+import com.stdiet.common.config.RuoYiConfig;
+import com.stdiet.common.constant.Constants;
+import com.stdiet.common.exception.file.FileNameLengthLimitExceededException;
+import com.stdiet.common.exception.file.FileSizeLimitExceededException;
+import com.stdiet.common.exception.file.InvalidExtensionException;
+import com.stdiet.common.utils.DateUtils;
+import com.stdiet.common.utils.StringUtils;
+import com.stdiet.common.utils.uuid.IdUtils;
+
+/**
+ * 文件上传工具类
+ *
+ * @author stdiet
+ */
+public class FileUploadUtils
+{
+    /**
+     * 默认大小 50M
+     */
+    public static final long DEFAULT_MAX_SIZE = 50 * 1024 * 1024;
+
+    /**
+     * 默认的文件名最大长度 100
+     */
+    public static final int DEFAULT_FILE_NAME_LENGTH = 100;
+
+    /**
+     * 默认上传的地址
+     */
+    private static String defaultBaseDir = RuoYiConfig.getProfile();
+
+    public static void setDefaultBaseDir(String defaultBaseDir)
+    {
+        FileUploadUtils.defaultBaseDir = defaultBaseDir;
+    }
+
+    public static String getDefaultBaseDir()
+    {
+        return defaultBaseDir;
+    }
+
+    /**
+     * 以默认配置进行文件上传
+     *
+     * @param file 上传的文件
+     * @return 文件名称
+     * @throws Exception
+     */
+    public static final String upload(MultipartFile file) throws IOException
+    {
+        try
+        {
+            return upload(getDefaultBaseDir(), file, MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION);
+        }
+        catch (Exception e)
+        {
+            throw new IOException(e.getMessage(), e);
+        }
+    }
+
+    /**
+     * 根据文件路径上传
+     *
+     * @param baseDir 相对应用的基目录
+     * @param file 上传的文件
+     * @return 文件名称
+     * @throws IOException
+     */
+    public static final String upload(String baseDir, MultipartFile file) throws IOException
+    {
+        try
+        {
+            return upload(baseDir, file, MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION);
+        }
+        catch (Exception e)
+        {
+            throw new IOException(e.getMessage(), e);
+        }
+    }
+
+    /**
+     * 文件上传
+     *
+     * @param baseDir 相对应用的基目录
+     * @param file 上传的文件
+     * @param allowedExtension 上传文件类型
+     * @return 返回上传成功的文件名
+     * @throws FileSizeLimitExceededException 如果超出最大大小
+     * @throws FileNameLengthLimitExceededException 文件名太长
+     * @throws IOException 比如读写文件出错时
+     * @throws InvalidExtensionException 文件校验异常
+     */
+    public static final String upload(String baseDir, MultipartFile file, String[] allowedExtension)
+            throws FileSizeLimitExceededException, IOException, FileNameLengthLimitExceededException,
+            InvalidExtensionException
+    {
+        int fileNamelength = file.getOriginalFilename().length();
+        if (fileNamelength > FileUploadUtils.DEFAULT_FILE_NAME_LENGTH)
+        {
+            throw new FileNameLengthLimitExceededException(FileUploadUtils.DEFAULT_FILE_NAME_LENGTH);
+        }
+
+        assertAllowed(file, allowedExtension);
+
+        String fileName = extractFilename(file);
+
+        File desc = getAbsoluteFile(baseDir, fileName);
+        file.transferTo(desc);
+        String pathFileName = getPathFileName(baseDir, fileName);
+        return pathFileName;
+    }
+
+    /**
+     * 编码文件名
+     */
+    public static final String extractFilename(MultipartFile file)
+    {
+        String fileName = file.getOriginalFilename();
+        String extension = getExtension(file);
+        fileName = DateUtils.datePath() + "/" + IdUtils.fastUUID() + "." + extension;
+        return fileName;
+    }
+
+    private static final File getAbsoluteFile(String uploadDir, String fileName) throws IOException
+    {
+        File desc = new File(uploadDir + File.separator + fileName);
+
+        if (!desc.getParentFile().exists())
+        {
+            desc.getParentFile().mkdirs();
+        }
+        if (!desc.exists())
+        {
+            desc.createNewFile();
+        }
+        return desc;
+    }
+
+    private static final String getPathFileName(String uploadDir, String fileName) throws IOException
+    {
+        int dirLastIndex = RuoYiConfig.getProfile().length() + 1;
+        String currentDir = StringUtils.substring(uploadDir, dirLastIndex);
+        String pathFileName = Constants.RESOURCE_PREFIX + "/" + currentDir + "/" + fileName;
+        return pathFileName;
+    }
+
+    /**
+     * 文件大小校验
+     *
+     * @param file 上传的文件
+     * @return
+     * @throws FileSizeLimitExceededException 如果超出最大大小
+     * @throws InvalidExtensionException
+     */
+    public static final void assertAllowed(MultipartFile file, String[] allowedExtension)
+            throws FileSizeLimitExceededException, InvalidExtensionException
+    {
+        long size = file.getSize();
+        if (DEFAULT_MAX_SIZE != -1 && size > DEFAULT_MAX_SIZE)
+        {
+            throw new FileSizeLimitExceededException(DEFAULT_MAX_SIZE / 1024 / 1024);
+        }
+
+        String fileName = file.getOriginalFilename();
+        String extension = getExtension(file);
+        if (allowedExtension != null && !isAllowedExtension(extension, allowedExtension))
+        {
+            if (allowedExtension == MimeTypeUtils.IMAGE_EXTENSION)
+            {
+                throw new InvalidExtensionException.InvalidImageExtensionException(allowedExtension, extension,
+                        fileName);
+            }
+            else if (allowedExtension == MimeTypeUtils.FLASH_EXTENSION)
+            {
+                throw new InvalidExtensionException.InvalidFlashExtensionException(allowedExtension, extension,
+                        fileName);
+            }
+            else if (allowedExtension == MimeTypeUtils.MEDIA_EXTENSION)
+            {
+                throw new InvalidExtensionException.InvalidMediaExtensionException(allowedExtension, extension,
+                        fileName);
+            }
+            else
+            {
+                throw new InvalidExtensionException(allowedExtension, extension, fileName);
+            }
+        }
+
+    }
+
+    /**
+     * 判断MIME类型是否是允许的MIME类型
+     *
+     * @param extension
+     * @param allowedExtension
+     * @return
+     */
+    public static final boolean isAllowedExtension(String extension, String[] allowedExtension)
+    {
+        for (String str : allowedExtension)
+        {
+            if (str.equalsIgnoreCase(extension))
+            {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * 获取文件名的后缀
+     *
+     * @param file 表单文件
+     * @return 后缀名
+     */
+    public static final String getExtension(MultipartFile file)
+    {
+        String extension = FilenameUtils.getExtension(file.getOriginalFilename());
+        if (StringUtils.isEmpty(extension))
+        {
+            extension = MimeTypeUtils.getExtension(file.getContentType());
+        }
+        return extension;
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/file/FileUtils.java

@@ -0,0 +1,142 @@
+package com.stdiet.common.utils.file;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import javax.servlet.http.HttpServletRequest;
+
+/**
+ * 文件处理工具类
+ * 
+ * @author stdiet
+ */
+public class FileUtils extends org.apache.commons.io.FileUtils
+{
+    public static String FILENAME_PATTERN = "[a-zA-Z0-9_\\-\\|\\.\\u4e00-\\u9fa5]+";
+
+    /**
+     * 输出指定文件的byte数组
+     * 
+     * @param filePath 文件路径
+     * @param os 输出流
+     * @return
+     */
+    public static void writeBytes(String filePath, OutputStream os) throws IOException
+    {
+        FileInputStream fis = null;
+        try
+        {
+            File file = new File(filePath);
+            if (!file.exists())
+            {
+                throw new FileNotFoundException(filePath);
+            }
+            fis = new FileInputStream(file);
+            byte[] b = new byte[1024];
+            int length;
+            while ((length = fis.read(b)) > 0)
+            {
+                os.write(b, 0, length);
+            }
+        }
+        catch (IOException e)
+        {
+            throw e;
+        }
+        finally
+        {
+            if (os != null)
+            {
+                try
+                {
+                    os.close();
+                }
+                catch (IOException e1)
+                {
+                    e1.printStackTrace();
+                }
+            }
+            if (fis != null)
+            {
+                try
+                {
+                    fis.close();
+                }
+                catch (IOException e1)
+                {
+                    e1.printStackTrace();
+                }
+            }
+        }
+    }
+
+    /**
+     * 删除文件
+     * 
+     * @param filePath 文件
+     * @return
+     */
+    public static boolean deleteFile(String filePath)
+    {
+        boolean flag = false;
+        File file = new File(filePath);
+        // 路径为文件且不为空则进行删除
+        if (file.isFile() && file.exists())
+        {
+            file.delete();
+            flag = true;
+        }
+        return flag;
+    }
+
+    /**
+     * 文件名称验证
+     * 
+     * @param filename 文件名称
+     * @return true 正常 false 非法
+     */
+    public static boolean isValidFilename(String filename)
+    {
+        return filename.matches(FILENAME_PATTERN);
+    }
+
+    /**
+     * 下载文件名重新编码
+     * 
+     * @param request 请求对象
+     * @param fileName 文件名
+     * @return 编码后的文件名
+     */
+    public static String setFileDownloadHeader(HttpServletRequest request, String fileName)
+            throws UnsupportedEncodingException
+    {
+        final String agent = request.getHeader("USER-AGENT");
+        String filename = fileName;
+        if (agent.contains("MSIE"))
+        {
+            // IE浏览器
+            filename = URLEncoder.encode(filename, "utf-8");
+            filename = filename.replace("+", " ");
+        }
+        else if (agent.contains("Firefox"))
+        {
+            // 火狐浏览器
+            filename = new String(fileName.getBytes(), "ISO8859-1");
+        }
+        else if (agent.contains("Chrome"))
+        {
+            // google浏览器
+            filename = URLEncoder.encode(filename, "utf-8");
+        }
+        else
+        {
+            // 其它浏览器
+            filename = URLEncoder.encode(filename, "utf-8");
+        }
+        return filename;
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/file/MimeTypeUtils.java

@@ -0,0 +1,55 @@
+package com.stdiet.common.utils.file;
+
+/**
+ * 媒体类型工具类
+ * 
+ * @author stdiet
+ */
+public class MimeTypeUtils
+{
+    public static final String IMAGE_PNG = "image/png";
+
+    public static final String IMAGE_JPG = "image/jpg";
+
+    public static final String IMAGE_JPEG = "image/jpeg";
+
+    public static final String IMAGE_BMP = "image/bmp";
+
+    public static final String IMAGE_GIF = "image/gif";
+    
+    public static final String[] IMAGE_EXTENSION = { "bmp", "gif", "jpg", "jpeg", "png" };
+
+    public static final String[] FLASH_EXTENSION = { "swf", "flv" };
+
+    public static final String[] MEDIA_EXTENSION = { "swf", "flv", "mp3", "wav", "wma", "wmv", "mid", "avi", "mpg",
+            "asf", "rm", "rmvb" };
+
+    public static final String[] DEFAULT_ALLOWED_EXTENSION = {
+            // 图片
+            "bmp", "gif", "jpg", "jpeg", "png",
+            // word excel powerpoint
+            "doc", "docx", "xls", "xlsx", "ppt", "pptx", "html", "htm", "txt",
+            // 压缩文件
+            "rar", "zip", "gz", "bz2",
+            // pdf
+            "pdf" };
+
+    public static String getExtension(String prefix)
+    {
+        switch (prefix)
+        {
+            case IMAGE_PNG:
+                return "png";
+            case IMAGE_JPG:
+                return "jpg";
+            case IMAGE_JPEG:
+                return "jpeg";
+            case IMAGE_BMP:
+                return "bmp";
+            case IMAGE_GIF:
+                return "gif";
+            default:
+                return "";
+        }
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/html/EscapeUtil.java

@@ -0,0 +1,155 @@
+package com.stdiet.common.utils.html;
+
+import com.stdiet.common.utils.StringUtils;
+
+/**
+ * 转义和反转义工具类
+ * 
+ * @author ruoyi
+ */
+public class EscapeUtil
+{
+    public static final String RE_HTML_MARK = "(<[^<]*?>)|(<[\\s]*?/[^<]*?>)|(<[^<]*?/[\\s]*?>)";
+
+    private static final char[][] TEXT = new char[64][];
+
+    static
+    {
+        for (int i = 0; i < 64; i++)
+        {
+            TEXT[i] = new char[] { (char) i };
+        }
+
+        // special HTML characters
+        TEXT['\''] = "&#039;".toCharArray(); // 单引号
+        TEXT['"'] = "&#34;".toCharArray(); // 单引号
+        TEXT['&'] = "&#38;".toCharArray(); // &符
+        TEXT['<'] = "&#60;".toCharArray(); // 小于号
+        TEXT['>'] = "&#62;".toCharArray(); // 大于号
+    }
+
+    /**
+     * 转义文本中的HTML字符为安全的字符
+     * 
+     * @param text 被转义的文本
+     * @return 转义后的文本
+     */
+    public static String escape(String text)
+    {
+        return encode(text);
+    }
+
+    /**
+     * 还原被转义的HTML特殊字符
+     * 
+     * @param content 包含转义符的HTML内容
+     * @return 转换后的字符串
+     */
+    public static String unescape(String content)
+    {
+        return decode(content);
+    }
+
+    /**
+     * 清除所有HTML标签，但是不删除标签内的内容
+     * 
+     * @param content 文本
+     * @return 清除标签后的文本
+     */
+    public static String clean(String content)
+    {
+        return new HTMLFilter().filter(content);
+    }
+
+    /**
+     * Escape编码
+     * 
+     * @param text 被编码的文本
+     * @return 编码后的字符
+     */
+    private static String encode(String text)
+    {
+        int len;
+        if ((text == null) || ((len = text.length()) == 0))
+        {
+            return StringUtils.EMPTY;
+        }
+        StringBuilder buffer = new StringBuilder(len + (len >> 2));
+        char c;
+        for (int i = 0; i < len; i++)
+        {
+            c = text.charAt(i);
+            if (c < 64)
+            {
+                buffer.append(TEXT[c]);
+            }
+            else
+            {
+                buffer.append(c);
+            }
+        }
+        return buffer.toString();
+    }
+
+    /**
+     * Escape解码
+     * 
+     * @param content 被转义的内容
+     * @return 解码后的字符串
+     */
+    public static String decode(String content)
+    {
+        if (StringUtils.isEmpty(content))
+        {
+            return content;
+        }
+
+        StringBuilder tmp = new StringBuilder(content.length());
+        int lastPos = 0, pos = 0;
+        char ch;
+        while (lastPos < content.length())
+        {
+            pos = content.indexOf("%", lastPos);
+            if (pos == lastPos)
+            {
+                if (content.charAt(pos + 1) == 'u')
+                {
+                    ch = (char) Integer.parseInt(content.substring(pos + 2, pos + 6), 16);
+                    tmp.append(ch);
+                    lastPos = pos + 6;
+                }
+                else
+                {
+                    ch = (char) Integer.parseInt(content.substring(pos + 1, pos + 3), 16);
+                    tmp.append(ch);
+                    lastPos = pos + 3;
+                }
+            }
+            else
+            {
+                if (pos == -1)
+                {
+                    tmp.append(content.substring(lastPos));
+                    lastPos = content.length();
+                }
+                else
+                {
+                    tmp.append(content.substring(lastPos, pos));
+                    lastPos = pos;
+                }
+            }
+        }
+        return tmp.toString();
+    }
+
+    public static void main(String[] args)
+    {
+        String html = "<script>alert(1);</script>";
+        // String html = "<scr<script>ipt>alert(\"XSS\")</scr<script>ipt>";
+        // String html = "<123";
+        // String html = "123>";
+        System.out.println(EscapeUtil.clean(html));
+        System.out.println(EscapeUtil.escape(html));
+        System.out.println(EscapeUtil.unescape(html));
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/html/HTMLFilter.java

@@ -0,0 +1,570 @@
+package com.stdiet.common.utils.html;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * HTML过滤器，用于去除XSS漏洞隐患。
+ *
+ * @author ruoyi
+ */
+public final class HTMLFilter
+{
+    /**
+     * regex flag union representing /si modifiers in php
+     **/
+    private static final int REGEX_FLAGS_SI = Pattern.CASE_INSENSITIVE | Pattern.DOTALL;
+    private static final Pattern P_COMMENTS = Pattern.compile("<!--(.*?)-->", Pattern.DOTALL);
+    private static final Pattern P_COMMENT = Pattern.compile("^!--(.*)--$", REGEX_FLAGS_SI);
+    private static final Pattern P_TAGS = Pattern.compile("<(.*?)>", Pattern.DOTALL);
+    private static final Pattern P_END_TAG = Pattern.compile("^/([a-z0-9]+)", REGEX_FLAGS_SI);
+    private static final Pattern P_START_TAG = Pattern.compile("^([a-z0-9]+)(.*?)(/?)$", REGEX_FLAGS_SI);
+    private static final Pattern P_QUOTED_ATTRIBUTES = Pattern.compile("([a-z0-9]+)=([\"'])(.*?)\\2", REGEX_FLAGS_SI);
+    private static final Pattern P_UNQUOTED_ATTRIBUTES = Pattern.compile("([a-z0-9]+)(=)([^\"\\s']+)", REGEX_FLAGS_SI);
+    private static final Pattern P_PROTOCOL = Pattern.compile("^([^:]+):", REGEX_FLAGS_SI);
+    private static final Pattern P_ENTITY = Pattern.compile("&#(\\d+);?");
+    private static final Pattern P_ENTITY_UNICODE = Pattern.compile("&#x([0-9a-f]+);?");
+    private static final Pattern P_ENCODE = Pattern.compile("%([0-9a-f]{2});?");
+    private static final Pattern P_VALID_ENTITIES = Pattern.compile("&([^&;]*)(?=(;|&|$))");
+    private static final Pattern P_VALID_QUOTES = Pattern.compile("(>|^)([^<]+?)(<|$)", Pattern.DOTALL);
+    private static final Pattern P_END_ARROW = Pattern.compile("^>");
+    private static final Pattern P_BODY_TO_END = Pattern.compile("<([^>]*?)(?=<|$)");
+    private static final Pattern P_XML_CONTENT = Pattern.compile("(^|>)([^<]*?)(?=>)");
+    private static final Pattern P_STRAY_LEFT_ARROW = Pattern.compile("<([^>]*?)(?=<|$)");
+    private static final Pattern P_STRAY_RIGHT_ARROW = Pattern.compile("(^|>)([^<]*?)(?=>)");
+    private static final Pattern P_AMP = Pattern.compile("&");
+    private static final Pattern P_QUOTE = Pattern.compile("\"");
+    private static final Pattern P_LEFT_ARROW = Pattern.compile("<");
+    private static final Pattern P_RIGHT_ARROW = Pattern.compile(">");
+    private static final Pattern P_BOTH_ARROWS = Pattern.compile("<>");
+
+    // @xxx could grow large... maybe use sesat's ReferenceMap
+    private static final ConcurrentMap<String, Pattern> P_REMOVE_PAIR_BLANKS = new ConcurrentHashMap<>();
+    private static final ConcurrentMap<String, Pattern> P_REMOVE_SELF_BLANKS = new ConcurrentHashMap<>();
+
+    /**
+     * set of allowed html elements, along with allowed attributes for each element
+     **/
+    private final Map<String, List<String>> vAllowed;
+    /**
+     * counts of open tags for each (allowable) html element
+     **/
+    private final Map<String, Integer> vTagCounts = new HashMap<>();
+
+    /**
+     * html elements which must always be self-closing (e.g. "<img />")
+     **/
+    private final String[] vSelfClosingTags;
+    /**
+     * html elements which must always have separate opening and closing tags (e.g. "<b></b>")
+     **/
+    private final String[] vNeedClosingTags;
+    /**
+     * set of disallowed html elements
+     **/
+    private final String[] vDisallowed;
+    /**
+     * attributes which should be checked for valid protocols
+     **/
+    private final String[] vProtocolAtts;
+    /**
+     * allowed protocols
+     **/
+    private final String[] vAllowedProtocols;
+    /**
+     * tags which should be removed if they contain no content (e.g. "<b></b>" or "<b />")
+     **/
+    private final String[] vRemoveBlanks;
+    /**
+     * entities allowed within html markup
+     **/
+    private final String[] vAllowedEntities;
+    /**
+     * flag determining whether comments are allowed in input String.
+     */
+    private final boolean stripComment;
+    private final boolean encodeQuotes;
+    /**
+     * flag determining whether to try to make tags when presented with "unbalanced" angle brackets (e.g. "<b text </b>"
+     * becomes "<b> text </b>"). If set to false, unbalanced angle brackets will be html escaped.
+     */
+    private final boolean alwaysMakeTags;
+
+    /**
+     * Default constructor.
+     */
+    public HTMLFilter()
+    {
+        vAllowed = new HashMap<>();
+
+        final ArrayList<String> a_atts = new ArrayList<>();
+        a_atts.add("href");
+        a_atts.add("target");
+        vAllowed.put("a", a_atts);
+
+        final ArrayList<String> img_atts = new ArrayList<>();
+        img_atts.add("src");
+        img_atts.add("width");
+        img_atts.add("height");
+        img_atts.add("alt");
+        vAllowed.put("img", img_atts);
+
+        final ArrayList<String> no_atts = new ArrayList<>();
+        vAllowed.put("b", no_atts);
+        vAllowed.put("strong", no_atts);
+        vAllowed.put("i", no_atts);
+        vAllowed.put("em", no_atts);
+
+        vSelfClosingTags = new String[] { "img" };
+        vNeedClosingTags = new String[] { "a", "b", "strong", "i", "em" };
+        vDisallowed = new String[] {};
+        vAllowedProtocols = new String[] { "http", "mailto", "https" }; // no ftp.
+        vProtocolAtts = new String[] { "src", "href" };
+        vRemoveBlanks = new String[] { "a", "b", "strong", "i", "em" };
+        vAllowedEntities = new String[] { "amp", "gt", "lt", "quot" };
+        stripComment = true;
+        encodeQuotes = true;
+        alwaysMakeTags = false;
+    }
+
+    /**
+     * Map-parameter configurable constructor.
+     *
+     * @param conf map containing configuration. keys match field names.
+     */
+    @SuppressWarnings("unchecked")
+    public HTMLFilter(final Map<String, Object> conf)
+    {
+
+        assert conf.containsKey("vAllowed") : "configuration requires vAllowed";
+        assert conf.containsKey("vSelfClosingTags") : "configuration requires vSelfClosingTags";
+        assert conf.containsKey("vNeedClosingTags") : "configuration requires vNeedClosingTags";
+        assert conf.containsKey("vDisallowed") : "configuration requires vDisallowed";
+        assert conf.containsKey("vAllowedProtocols") : "configuration requires vAllowedProtocols";
+        assert conf.containsKey("vProtocolAtts") : "configuration requires vProtocolAtts";
+        assert conf.containsKey("vRemoveBlanks") : "configuration requires vRemoveBlanks";
+        assert conf.containsKey("vAllowedEntities") : "configuration requires vAllowedEntities";
+
+        vAllowed = Collections.unmodifiableMap((HashMap<String, List<String>>) conf.get("vAllowed"));
+        vSelfClosingTags = (String[]) conf.get("vSelfClosingTags");
+        vNeedClosingTags = (String[]) conf.get("vNeedClosingTags");
+        vDisallowed = (String[]) conf.get("vDisallowed");
+        vAllowedProtocols = (String[]) conf.get("vAllowedProtocols");
+        vProtocolAtts = (String[]) conf.get("vProtocolAtts");
+        vRemoveBlanks = (String[]) conf.get("vRemoveBlanks");
+        vAllowedEntities = (String[]) conf.get("vAllowedEntities");
+        stripComment = conf.containsKey("stripComment") ? (Boolean) conf.get("stripComment") : true;
+        encodeQuotes = conf.containsKey("encodeQuotes") ? (Boolean) conf.get("encodeQuotes") : true;
+        alwaysMakeTags = conf.containsKey("alwaysMakeTags") ? (Boolean) conf.get("alwaysMakeTags") : true;
+    }
+
+    private void reset()
+    {
+        vTagCounts.clear();
+    }
+
+    // ---------------------------------------------------------------
+    // my versions of some PHP library functions
+    public static String chr(final int decimal)
+    {
+        return String.valueOf((char) decimal);
+    }
+
+    public static String htmlSpecialChars(final String s)
+    {
+        String result = s;
+        result = regexReplace(P_AMP, "&amp;", result);
+        result = regexReplace(P_QUOTE, "&quot;", result);
+        result = regexReplace(P_LEFT_ARROW, "&lt;", result);
+        result = regexReplace(P_RIGHT_ARROW, "&gt;", result);
+        return result;
+    }
+
+    // ---------------------------------------------------------------
+
+    /**
+     * given a user submitted input String, filter out any invalid or restricted html.
+     *
+     * @param input text (i.e. submitted by a user) than may contain html
+     * @return "clean" version of input, with only valid, whitelisted html elements allowed
+     */
+    public String filter(final String input)
+    {
+        reset();
+        String s = input;
+
+        s = escapeComments(s);
+
+        s = balanceHTML(s);
+
+        s = checkTags(s);
+
+        s = processRemoveBlanks(s);
+
+        // s = validateEntities(s);
+
+        return s;
+    }
+
+    public boolean isAlwaysMakeTags()
+    {
+        return alwaysMakeTags;
+    }
+
+    public boolean isStripComments()
+    {
+        return stripComment;
+    }
+
+    private String escapeComments(final String s)
+    {
+        final Matcher m = P_COMMENTS.matcher(s);
+        final StringBuffer buf = new StringBuffer();
+        if (m.find())
+        {
+            final String match = m.group(1); // (.*?)
+            m.appendReplacement(buf, Matcher.quoteReplacement("<!--" + htmlSpecialChars(match) + "-->"));
+        }
+        m.appendTail(buf);
+
+        return buf.toString();
+    }
+
+    private String balanceHTML(String s)
+    {
+        if (alwaysMakeTags)
+        {
+            //
+            // try and form html
+            //
+            s = regexReplace(P_END_ARROW, "", s);
+            // 不追加结束标签
+            s = regexReplace(P_BODY_TO_END, "<$1>", s);
+            s = regexReplace(P_XML_CONTENT, "$1<$2", s);
+
+        }
+        else
+        {
+            //
+            // escape stray brackets
+            //
+            s = regexReplace(P_STRAY_LEFT_ARROW, "&lt;$1", s);
+            s = regexReplace(P_STRAY_RIGHT_ARROW, "$1$2&gt;<", s);
+
+            //
+            // the last regexp causes '<>' entities to appear
+            // (we need to do a lookahead assertion so that the last bracket can
+            // be used in the next pass of the regexp)
+            //
+            s = regexReplace(P_BOTH_ARROWS, "", s);
+        }
+
+        return s;
+    }
+
+    private String checkTags(String s)
+    {
+        Matcher m = P_TAGS.matcher(s);
+
+        final StringBuffer buf = new StringBuffer();
+        while (m.find())
+        {
+            String replaceStr = m.group(1);
+            replaceStr = processTag(replaceStr);
+            m.appendReplacement(buf, Matcher.quoteReplacement(replaceStr));
+        }
+        m.appendTail(buf);
+
+        // these get tallied in processTag
+        // (remember to reset before subsequent calls to filter method)
+        final StringBuilder sBuilder = new StringBuilder(buf.toString());
+        for (String key : vTagCounts.keySet())
+        {
+            for (int ii = 0; ii < vTagCounts.get(key); ii++)
+            {
+                sBuilder.append("</").append(key).append(">");
+            }
+        }
+        s = sBuilder.toString();
+
+        return s;
+    }
+
+    private String processRemoveBlanks(final String s)
+    {
+        String result = s;
+        for (String tag : vRemoveBlanks)
+        {
+            if (!P_REMOVE_PAIR_BLANKS.containsKey(tag))
+            {
+                P_REMOVE_PAIR_BLANKS.putIfAbsent(tag, Pattern.compile("<" + tag + "(\\s[^>]*)?></" + tag + ">"));
+            }
+            result = regexReplace(P_REMOVE_PAIR_BLANKS.get(tag), "", result);
+            if (!P_REMOVE_SELF_BLANKS.containsKey(tag))
+            {
+                P_REMOVE_SELF_BLANKS.putIfAbsent(tag, Pattern.compile("<" + tag + "(\\s[^>]*)?/>"));
+            }
+            result = regexReplace(P_REMOVE_SELF_BLANKS.get(tag), "", result);
+        }
+
+        return result;
+    }
+
+    private static String regexReplace(final Pattern regex_pattern, final String replacement, final String s)
+    {
+        Matcher m = regex_pattern.matcher(s);
+        return m.replaceAll(replacement);
+    }
+
+    private String processTag(final String s)
+    {
+        // ending tags
+        Matcher m = P_END_TAG.matcher(s);
+        if (m.find())
+        {
+            final String name = m.group(1).toLowerCase();
+            if (allowed(name))
+            {
+                if (false == inArray(name, vSelfClosingTags))
+                {
+                    if (vTagCounts.containsKey(name))
+                    {
+                        vTagCounts.put(name, vTagCounts.get(name) - 1);
+                        return "</" + name + ">";
+                    }
+                }
+            }
+        }
+
+        // starting tags
+        m = P_START_TAG.matcher(s);
+        if (m.find())
+        {
+            final String name = m.group(1).toLowerCase();
+            final String body = m.group(2);
+            String ending = m.group(3);
+
+            // debug( "in a starting tag, name='" + name + "'; body='" + body + "'; ending='" + ending + "'" );
+            if (allowed(name))
+            {
+                final StringBuilder params = new StringBuilder();
+
+                final Matcher m2 = P_QUOTED_ATTRIBUTES.matcher(body);
+                final Matcher m3 = P_UNQUOTED_ATTRIBUTES.matcher(body);
+                final List<String> paramNames = new ArrayList<>();
+                final List<String> paramValues = new ArrayList<>();
+                while (m2.find())
+                {
+                    paramNames.add(m2.group(1)); // ([a-z0-9]+)
+                    paramValues.add(m2.group(3)); // (.*?)
+                }
+                while (m3.find())
+                {
+                    paramNames.add(m3.group(1)); // ([a-z0-9]+)
+                    paramValues.add(m3.group(3)); // ([^\"\\s']+)
+                }
+
+                String paramName, paramValue;
+                for (int ii = 0; ii < paramNames.size(); ii++)
+                {
+                    paramName = paramNames.get(ii).toLowerCase();
+                    paramValue = paramValues.get(ii);
+
+                    // debug( "paramName='" + paramName + "'" );
+                    // debug( "paramValue='" + paramValue + "'" );
+                    // debug( "allowed? " + vAllowed.get( name ).contains( paramName ) );
+
+                    if (allowedAttribute(name, paramName))
+                    {
+                        if (inArray(paramName, vProtocolAtts))
+                        {
+                            paramValue = processParamProtocol(paramValue);
+                        }
+                        params.append(' ').append(paramName).append("=\"").append(paramValue).append("\"");
+                    }
+                }
+
+                if (inArray(name, vSelfClosingTags))
+                {
+                    ending = " /";
+                }
+
+                if (inArray(name, vNeedClosingTags))
+                {
+                    ending = "";
+                }
+
+                if (ending == null || ending.length() < 1)
+                {
+                    if (vTagCounts.containsKey(name))
+                    {
+                        vTagCounts.put(name, vTagCounts.get(name) + 1);
+                    }
+                    else
+                    {
+                        vTagCounts.put(name, 1);
+                    }
+                }
+                else
+                {
+                    ending = " /";
+                }
+                return "<" + name + params + ending + ">";
+            }
+            else
+            {
+                return "";
+            }
+        }
+
+        // comments
+        m = P_COMMENT.matcher(s);
+        if (!stripComment && m.find())
+        {
+            return "<" + m.group() + ">";
+        }
+
+        return "";
+    }
+
+    private String processParamProtocol(String s)
+    {
+        s = decodeEntities(s);
+        final Matcher m = P_PROTOCOL.matcher(s);
+        if (m.find())
+        {
+            final String protocol = m.group(1);
+            if (!inArray(protocol, vAllowedProtocols))
+            {
+                // bad protocol, turn into local anchor link instead
+                s = "#" + s.substring(protocol.length() + 1);
+                if (s.startsWith("#//"))
+                {
+                    s = "#" + s.substring(3);
+                }
+            }
+        }
+
+        return s;
+    }
+
+    private String decodeEntities(String s)
+    {
+        StringBuffer buf = new StringBuffer();
+
+        Matcher m = P_ENTITY.matcher(s);
+        while (m.find())
+        {
+            final String match = m.group(1);
+            final int decimal = Integer.decode(match).intValue();
+            m.appendReplacement(buf, Matcher.quoteReplacement(chr(decimal)));
+        }
+        m.appendTail(buf);
+        s = buf.toString();
+
+        buf = new StringBuffer();
+        m = P_ENTITY_UNICODE.matcher(s);
+        while (m.find())
+        {
+            final String match = m.group(1);
+            final int decimal = Integer.valueOf(match, 16).intValue();
+            m.appendReplacement(buf, Matcher.quoteReplacement(chr(decimal)));
+        }
+        m.appendTail(buf);
+        s = buf.toString();
+
+        buf = new StringBuffer();
+        m = P_ENCODE.matcher(s);
+        while (m.find())
+        {
+            final String match = m.group(1);
+            final int decimal = Integer.valueOf(match, 16).intValue();
+            m.appendReplacement(buf, Matcher.quoteReplacement(chr(decimal)));
+        }
+        m.appendTail(buf);
+        s = buf.toString();
+
+        s = validateEntities(s);
+        return s;
+    }
+
+    private String validateEntities(final String s)
+    {
+        StringBuffer buf = new StringBuffer();
+
+        // validate entities throughout the string
+        Matcher m = P_VALID_ENTITIES.matcher(s);
+        while (m.find())
+        {
+            final String one = m.group(1); // ([^&;]*)
+            final String two = m.group(2); // (?=(;|&|$))
+            m.appendReplacement(buf, Matcher.quoteReplacement(checkEntity(one, two)));
+        }
+        m.appendTail(buf);
+
+        return encodeQuotes(buf.toString());
+    }
+
+    private String encodeQuotes(final String s)
+    {
+        if (encodeQuotes)
+        {
+            StringBuffer buf = new StringBuffer();
+            Matcher m = P_VALID_QUOTES.matcher(s);
+            while (m.find())
+            {
+                final String one = m.group(1); // (>|^)
+                final String two = m.group(2); // ([^<]+?)
+                final String three = m.group(3); // (<|$)
+                // 不替换双引号为&quot;，防止json格式无效 regexReplace(P_QUOTE, "&quot;", two)
+                m.appendReplacement(buf, Matcher.quoteReplacement(one + two + three));
+            }
+            m.appendTail(buf);
+            return buf.toString();
+        }
+        else
+        {
+            return s;
+        }
+    }
+
+    private String checkEntity(final String preamble, final String term)
+    {
+
+        return ";".equals(term) && isValidEntity(preamble) ? '&' + preamble : "&amp;" + preamble;
+    }
+
+    private boolean isValidEntity(final String entity)
+    {
+        return inArray(entity, vAllowedEntities);
+    }
+
+    private static boolean inArray(final String s, final String[] array)
+    {
+        for (String item : array)
+        {
+            if (item != null && item.equals(s))
+            {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private boolean allowed(final String name)
+    {
+        return (vAllowed.isEmpty() || vAllowed.containsKey(name)) && !inArray(name, vDisallowed);
+    }
+
+    private boolean allowedAttribute(final String name, final String paramName)
+    {
+        return allowed(name) && (vAllowed.isEmpty() || vAllowed.get(name).contains(paramName));
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/http/HttpHelper.java

@@ -0,0 +1,55 @@
+package com.stdiet.common.utils.http;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.nio.charset.Charset;
+import javax.servlet.ServletRequest;
+import org.apache.commons.lang3.exception.ExceptionUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * 通用http工具封装
+ * 
+ * @author ruoyi
+ */
+public class HttpHelper
+{
+    private static final Logger LOGGER = LoggerFactory.getLogger(HttpHelper.class);
+
+    public static String getBodyString(ServletRequest request)
+    {
+        StringBuilder sb = new StringBuilder();
+        BufferedReader reader = null;
+        try (InputStream inputStream = request.getInputStream())
+        {
+            reader = new BufferedReader(new InputStreamReader(inputStream, Charset.forName("UTF-8")));
+            String line = "";
+            while ((line = reader.readLine()) != null)
+            {
+                sb.append(line);
+            }
+        }
+        catch (IOException e)
+        {
+            LOGGER.warn("getBodyString出现问题！");
+        }
+        finally
+        {
+            if (reader != null)
+            {
+                try
+                {
+                    reader.close();
+                }
+                catch (IOException e)
+                {
+                    LOGGER.error(ExceptionUtils.getMessage(e));
+                }
+            }
+        }
+        return sb.toString();
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/http/HttpUtils.java

@@ -0,0 +1,262 @@
+package com.stdiet.common.utils.http;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.PrintWriter;
+import java.net.ConnectException;
+import java.net.SocketTimeoutException;
+import java.net.URL;
+import java.net.URLConnection;
+import java.security.cert.X509Certificate;
+import javax.net.ssl.HostnameVerifier;
+import javax.net.ssl.HttpsURLConnection;
+import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLSession;
+import javax.net.ssl.TrustManager;
+import javax.net.ssl.X509TrustManager;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import com.stdiet.common.constant.Constants;
+
+/**
+ * 通用http发送方法
+ * 
+ * @author ruoyi
+ */
+public class HttpUtils
+{
+    private static final Logger log = LoggerFactory.getLogger(HttpUtils.class);
+
+    /**
+     * 向指定 URL 发送GET方法的请求
+     *
+     * @param url 发送请求的 URL
+     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
+     * @return 所代表远程资源的响应结果
+     */
+    public static String sendGet(String url, String param)
+    {
+        return sendGet(url, param, Constants.UTF8);
+    }
+
+    /**
+     * 向指定 URL 发送GET方法的请求
+     *
+     * @param url 发送请求的 URL
+     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
+     * @param contentType 编码类型
+     * @return 所代表远程资源的响应结果
+     */
+    public static String sendGet(String url, String param, String contentType)
+    {
+        StringBuilder result = new StringBuilder();
+        BufferedReader in = null;
+        try
+        {
+            String urlNameString = url + "?" + param;
+            log.info("sendGet - {}", urlNameString);
+            URL realUrl = new URL(urlNameString);
+            URLConnection connection = realUrl.openConnection();
+            connection.setRequestProperty("accept", "*/*");
+            connection.setRequestProperty("connection", "Keep-Alive");
+            connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
+            connection.connect();
+            in = new BufferedReader(new InputStreamReader(connection.getInputStream(), contentType));
+            String line;
+            while ((line = in.readLine()) != null)
+            {
+                result.append(line);
+            }
+            log.info("recv - {}", result);
+        }
+        catch (ConnectException e)
+        {
+            log.error("调用HttpUtils.sendGet ConnectException, url=" + url + ",param=" + param, e);
+        }
+        catch (SocketTimeoutException e)
+        {
+            log.error("调用HttpUtils.sendGet SocketTimeoutException, url=" + url + ",param=" + param, e);
+        }
+        catch (IOException e)
+        {
+            log.error("调用HttpUtils.sendGet IOException, url=" + url + ",param=" + param, e);
+        }
+        catch (Exception e)
+        {
+            log.error("调用HttpsUtil.sendGet Exception, url=" + url + ",param=" + param, e);
+        }
+        finally
+        {
+            try
+            {
+                if (in != null)
+                {
+                    in.close();
+                }
+            }
+            catch (Exception ex)
+            {
+                log.error("调用in.close Exception, url=" + url + ",param=" + param, ex);
+            }
+        }
+        return result.toString();
+    }
+
+    /**
+     * 向指定 URL 发送POST方法的请求
+     *
+     * @param url 发送请求的 URL
+     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
+     * @return 所代表远程资源的响应结果
+     */
+    public static String sendPost(String url, String param)
+    {
+        PrintWriter out = null;
+        BufferedReader in = null;
+        StringBuilder result = new StringBuilder();
+        try
+        {
+            String urlNameString = url;
+            log.info("sendPost - {}", urlNameString);
+            URL realUrl = new URL(urlNameString);
+            URLConnection conn = realUrl.openConnection();
+            conn.setRequestProperty("accept", "*/*");
+            conn.setRequestProperty("connection", "Keep-Alive");
+            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
+            conn.setRequestProperty("Accept-Charset", "utf-8");
+            conn.setRequestProperty("contentType", "utf-8");
+            conn.setDoOutput(true);
+            conn.setDoInput(true);
+            out = new PrintWriter(conn.getOutputStream());
+            out.print(param);
+            out.flush();
+            in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
+            String line;
+            while ((line = in.readLine()) != null)
+            {
+                result.append(line);
+            }
+            log.info("recv - {}", result);
+        }
+        catch (ConnectException e)
+        {
+            log.error("调用HttpUtils.sendPost ConnectException, url=" + url + ",param=" + param, e);
+        }
+        catch (SocketTimeoutException e)
+        {
+            log.error("调用HttpUtils.sendPost SocketTimeoutException, url=" + url + ",param=" + param, e);
+        }
+        catch (IOException e)
+        {
+            log.error("调用HttpUtils.sendPost IOException, url=" + url + ",param=" + param, e);
+        }
+        catch (Exception e)
+        {
+            log.error("调用HttpsUtil.sendPost Exception, url=" + url + ",param=" + param, e);
+        }
+        finally
+        {
+            try
+            {
+                if (out != null)
+                {
+                    out.close();
+                }
+                if (in != null)
+                {
+                    in.close();
+                }
+            }
+            catch (IOException ex)
+            {
+                log.error("调用in.close Exception, url=" + url + ",param=" + param, ex);
+            }
+        }
+        return result.toString();
+    }
+
+    public static String sendSSLPost(String url, String param)
+    {
+        StringBuilder result = new StringBuilder();
+        String urlNameString = url + "?" + param;
+        try
+        {
+            log.info("sendSSLPost - {}", urlNameString);
+            SSLContext sc = SSLContext.getInstance("SSL");
+            sc.init(null, new TrustManager[] { new TrustAnyTrustManager() }, new java.security.SecureRandom());
+            URL console = new URL(urlNameString);
+            HttpsURLConnection conn = (HttpsURLConnection) console.openConnection();
+            conn.setRequestProperty("accept", "*/*");
+            conn.setRequestProperty("connection", "Keep-Alive");
+            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
+            conn.setRequestProperty("Accept-Charset", "utf-8");
+            conn.setRequestProperty("contentType", "utf-8");
+            conn.setDoOutput(true);
+            conn.setDoInput(true);
+
+            conn.setSSLSocketFactory(sc.getSocketFactory());
+            conn.setHostnameVerifier(new TrustAnyHostnameVerifier());
+            conn.connect();
+            InputStream is = conn.getInputStream();
+            BufferedReader br = new BufferedReader(new InputStreamReader(is));
+            String ret = "";
+            while ((ret = br.readLine()) != null)
+            {
+                if (ret != null && !"".equals(ret.trim()))
+                {
+                    result.append(new String(ret.getBytes("ISO-8859-1"), "utf-8"));
+                }
+            }
+            log.info("recv - {}", result);
+            conn.disconnect();
+            br.close();
+        }
+        catch (ConnectException e)
+        {
+            log.error("调用HttpUtils.sendSSLPost ConnectException, url=" + url + ",param=" + param, e);
+        }
+        catch (SocketTimeoutException e)
+        {
+            log.error("调用HttpUtils.sendSSLPost SocketTimeoutException, url=" + url + ",param=" + param, e);
+        }
+        catch (IOException e)
+        {
+            log.error("调用HttpUtils.sendSSLPost IOException, url=" + url + ",param=" + param, e);
+        }
+        catch (Exception e)
+        {
+            log.error("调用HttpsUtil.sendSSLPost Exception, url=" + url + ",param=" + param, e);
+        }
+        return result.toString();
+    }
+
+    private static class TrustAnyTrustManager implements X509TrustManager
+    {
+        @Override
+        public void checkClientTrusted(X509Certificate[] chain, String authType)
+        {
+        }
+
+        @Override
+        public void checkServerTrusted(X509Certificate[] chain, String authType)
+        {
+        }
+
+        @Override
+        public X509Certificate[] getAcceptedIssuers()
+        {
+            return new X509Certificate[] {};
+        }
+    }
+
+    private static class TrustAnyHostnameVerifier implements HostnameVerifier
+    {
+        @Override
+        public boolean verify(String hostname, SSLSession session)
+        {
+            return true;
+        }
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/ip/AddressUtils.java

@@ -0,0 +1,56 @@
+package com.stdiet.common.utils.ip;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import com.alibaba.fastjson.JSONObject;
+import com.stdiet.common.config.RuoYiConfig;
+import com.stdiet.common.constant.Constants;
+import com.stdiet.common.utils.StringUtils;
+import com.stdiet.common.utils.http.HttpUtils;
+
+/**
+ * 获取地址类
+ * 
+ * @author stdiet
+ */
+public class AddressUtils
+{
+    private static final Logger log = LoggerFactory.getLogger(AddressUtils.class);
+
+    // IP地址查询
+    public static final String IP_URL = "http://whois.pconline.com.cn/ipJson.jsp";
+
+    // 未知地址
+    public static final String UNKNOWN = "XX XX";
+
+    public static String getRealAddressByIP(String ip)
+    {
+        String address = UNKNOWN;
+        // 内网不查询
+        if (IpUtils.internalIp(ip))
+        {
+            return "内网IP";
+        }
+        if (RuoYiConfig.isAddressEnabled())
+        {
+            try
+            {
+                String rspStr = HttpUtils.sendGet(IP_URL, "ip=" + ip + "&json=true", Constants.GBK);
+                if (StringUtils.isEmpty(rspStr))
+                {
+                    log.error("获取地理位置异常 {}", ip);
+                    return UNKNOWN;
+                }
+                JSONObject obj = JSONObject.parseObject(rspStr);
+                String region = obj.getString("pro");
+                String city = obj.getString("city");
+                return String.format("%s %s", region, city);
+            }
+            catch (Exception e)
+            {
+                log.error("获取地理位置异常 {}", ip);
+            }
+        }
+        return address;
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/ip/IpUtils.java

@@ -0,0 +1,195 @@
+package com.stdiet.common.utils.ip;
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import javax.servlet.http.HttpServletRequest;
+import com.stdiet.common.utils.StringUtils;
+import com.stdiet.common.utils.html.EscapeUtil;
+
+/**
+ * 获取IP方法
+ * 
+ * @author stdiet
+ */
+public class IpUtils
+{
+    public static String getIpAddr(HttpServletRequest request)
+    {
+        if (request == null)
+        {
+            return "unknown";
+        }
+        String ip = request.getHeader("x-forwarded-for");
+        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
+        {
+            ip = request.getHeader("Proxy-Client-IP");
+        }
+        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
+        {
+            ip = request.getHeader("X-Forwarded-For");
+        }
+        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
+        {
+            ip = request.getHeader("WL-Proxy-Client-IP");
+        }
+        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
+        {
+            ip = request.getHeader("X-Real-IP");
+        }
+
+        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
+        {
+            ip = request.getRemoteAddr();
+        }
+        return "0:0:0:0:0:0:0:1".equals(ip) ? "127.0.0.1" : EscapeUtil.clean(ip);
+    }
+
+    public static boolean internalIp(String ip)
+    {
+        byte[] addr = textToNumericFormatV4(ip);
+        return internalIp(addr) || "127.0.0.1".equals(ip);
+    }
+
+    private static boolean internalIp(byte[] addr)
+    {
+        if (StringUtils.isNull(addr) || addr.length < 2)
+        {
+            return true;
+        }
+        final byte b0 = addr[0];
+        final byte b1 = addr[1];
+        // 10.x.x.x/8
+        final byte SECTION_1 = 0x0A;
+        // 172.16.x.x/12
+        final byte SECTION_2 = (byte) 0xAC;
+        final byte SECTION_3 = (byte) 0x10;
+        final byte SECTION_4 = (byte) 0x1F;
+        // 192.168.x.x/16
+        final byte SECTION_5 = (byte) 0xC0;
+        final byte SECTION_6 = (byte) 0xA8;
+        switch (b0)
+        {
+            case SECTION_1:
+                return true;
+            case SECTION_2:
+                if (b1 >= SECTION_3 && b1 <= SECTION_4)
+                {
+                    return true;
+                }
+            case SECTION_5:
+                switch (b1)
+                {
+                    case SECTION_6:
+                        return true;
+                }
+            default:
+                return false;
+        }
+    }
+
+    /**
+     * 将IPv4地址转换成字节
+     * 
+     * @param text IPv4地址
+     * @return byte 字节
+     */
+    public static byte[] textToNumericFormatV4(String text)
+    {
+        if (text.length() == 0)
+        {
+            return null;
+        }
+
+        byte[] bytes = new byte[4];
+        String[] elements = text.split("\\.", -1);
+        try
+        {
+            long l;
+            int i;
+            switch (elements.length)
+            {
+                case 1:
+                    l = Long.parseLong(elements[0]);
+                    if ((l < 0L) || (l > 4294967295L)) {
+                        return null;
+                    }
+                    bytes[0] = (byte) (int) (l >> 24 & 0xFF);
+                    bytes[1] = (byte) (int) ((l & 0xFFFFFF) >> 16 & 0xFF);
+                    bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
+                    bytes[3] = (byte) (int) (l & 0xFF);
+                    break;
+                case 2:
+                    l = Integer.parseInt(elements[0]);
+                    if ((l < 0L) || (l > 255L)) {
+                        return null;
+                    }
+                    bytes[0] = (byte) (int) (l & 0xFF);
+                    l = Integer.parseInt(elements[1]);
+                    if ((l < 0L) || (l > 16777215L)) {
+                        return null;
+                    }
+                    bytes[1] = (byte) (int) (l >> 16 & 0xFF);
+                    bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
+                    bytes[3] = (byte) (int) (l & 0xFF);
+                    break;
+                case 3:
+                    for (i = 0; i < 2; ++i)
+                    {
+                        l = Integer.parseInt(elements[i]);
+                        if ((l < 0L) || (l > 255L)) {
+                            return null;
+                        }
+                        bytes[i] = (byte) (int) (l & 0xFF);
+                    }
+                    l = Integer.parseInt(elements[2]);
+                    if ((l < 0L) || (l > 65535L)) {
+                        return null;
+                    }
+                    bytes[2] = (byte) (int) (l >> 8 & 0xFF);
+                    bytes[3] = (byte) (int) (l & 0xFF);
+                    break;
+                case 4:
+                    for (i = 0; i < 4; ++i)
+                    {
+                        l = Integer.parseInt(elements[i]);
+                        if ((l < 0L) || (l > 255L)) {
+                            return null;
+                        }
+                        bytes[i] = (byte) (int) (l & 0xFF);
+                    }
+                    break;
+                default:
+                    return null;
+            }
+        }
+        catch (NumberFormatException e)
+        {
+            return null;
+        }
+        return bytes;
+    }
+
+    public static String getHostIp()
+    {
+        try
+        {
+            return InetAddress.getLocalHost().getHostAddress();
+        }
+        catch (UnknownHostException e)
+        {
+        }
+        return "127.0.0.1";
+    }
+
+    public static String getHostName()
+    {
+        try
+        {
+            return InetAddress.getLocalHost().getHostName();
+        }
+        catch (UnknownHostException e)
+        {
+        }
+        return "未知";
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/reflect/ReflectUtils.java

@@ -0,0 +1,406 @@
+package com.stdiet.common.utils.reflect;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+import java.util.Date;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.lang3.Validate;
+import org.apache.poi.ss.usermodel.DateUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import com.stdiet.common.core.text.Convert;
+import com.stdiet.common.utils.DateUtils;
+
+/**
+ * 反射工具类. 提供调用getter/setter方法, 访问私有变量, 调用私有方法, 获取泛型类型Class, 被AOP过的真实类等工具函数.
+ * 
+ * @author stdiet
+ */
+@SuppressWarnings("rawtypes")
+public class ReflectUtils
+{
+    private static final String SETTER_PREFIX = "set";
+
+    private static final String GETTER_PREFIX = "get";
+
+    private static final String CGLIB_CLASS_SEPARATOR = "$$";
+
+    private static Logger logger = LoggerFactory.getLogger(ReflectUtils.class);
+
+    /**
+     * 调用Getter方法.
+     * 支持多级，如：对象名.对象名.方法
+     */
+    @SuppressWarnings("unchecked")
+    public static <E> E invokeGetter(Object obj, String propertyName)
+    {
+        Object object = obj;
+        for (String name : StringUtils.split(propertyName, "."))
+        {
+            String getterMethodName = GETTER_PREFIX + StringUtils.capitalize(name);
+            object = invokeMethod(object, getterMethodName, new Class[] {}, new Object[] {});
+        }
+        return (E) object;
+    }
+
+    /**
+     * 调用Setter方法, 仅匹配方法名。
+     * 支持多级，如：对象名.对象名.方法
+     */
+    public static <E> void invokeSetter(Object obj, String propertyName, E value)
+    {
+        Object object = obj;
+        String[] names = StringUtils.split(propertyName, ".");
+        for (int i = 0; i < names.length; i++)
+        {
+            if (i < names.length - 1)
+            {
+                String getterMethodName = GETTER_PREFIX + StringUtils.capitalize(names[i]);
+                object = invokeMethod(object, getterMethodName, new Class[] {}, new Object[] {});
+            }
+            else
+            {
+                String setterMethodName = SETTER_PREFIX + StringUtils.capitalize(names[i]);
+                invokeMethodByName(object, setterMethodName, new Object[] { value });
+            }
+        }
+    }
+
+    /**
+     * 直接读取对象属性值, 无视private/protected修饰符, 不经过getter函数.
+     */
+    @SuppressWarnings("unchecked")
+    public static <E> E getFieldValue(final Object obj, final String fieldName)
+    {
+        Field field = getAccessibleField(obj, fieldName);
+        if (field == null)
+        {
+            logger.debug("在 [" + obj.getClass() + "] 中，没有找到 [" + fieldName + "] 字段 ");
+            return null;
+        }
+        E result = null;
+        try
+        {
+            result = (E) field.get(obj);
+        }
+        catch (IllegalAccessException e)
+        {
+            logger.error("不可能抛出的异常{}", e.getMessage());
+        }
+        return result;
+    }
+
+    /**
+     * 直接设置对象属性值, 无视private/protected修饰符, 不经过setter函数.
+     */
+    public static <E> void setFieldValue(final Object obj, final String fieldName, final E value)
+    {
+        Field field = getAccessibleField(obj, fieldName);
+        if (field == null)
+        {
+            // throw new IllegalArgumentException("在 [" + obj.getClass() + "] 中，没有找到 [" + fieldName + "] 字段 ");
+            logger.debug("在 [" + obj.getClass() + "] 中，没有找到 [" + fieldName + "] 字段 ");
+            return;
+        }
+        try
+        {
+            field.set(obj, value);
+        }
+        catch (IllegalAccessException e)
+        {
+            logger.error("不可能抛出的异常: {}", e.getMessage());
+        }
+    }
+
+    /**
+     * 直接调用对象方法, 无视private/protected修饰符.
+     * 用于一次性调用的情况，否则应使用getAccessibleMethod()函数获得Method后反复调用.
+     * 同时匹配方法名+参数类型，
+     */
+    @SuppressWarnings("unchecked")
+    public static <E> E invokeMethod(final Object obj, final String methodName, final Class<?>[] parameterTypes,
+            final Object[] args)
+    {
+        if (obj == null || methodName == null)
+        {
+            return null;
+        }
+        Method method = getAccessibleMethod(obj, methodName, parameterTypes);
+        if (method == null)
+        {
+            logger.debug("在 [" + obj.getClass() + "] 中，没有找到 [" + methodName + "] 方法 ");
+            return null;
+        }
+        try
+        {
+            return (E) method.invoke(obj, args);
+        }
+        catch (Exception e)
+        {
+            String msg = "method: " + method + ", obj: " + obj + ", args: " + args + "";
+            throw convertReflectionExceptionToUnchecked(msg, e);
+        }
+    }
+
+    /**
+     * 直接调用对象方法, 无视private/protected修饰符，
+     * 用于一次性调用的情况，否则应使用getAccessibleMethodByName()函数获得Method后反复调用.
+     * 只匹配函数名，如果有多个同名函数调用第一个。
+     */
+    @SuppressWarnings("unchecked")
+    public static <E> E invokeMethodByName(final Object obj, final String methodName, final Object[] args)
+    {
+        Method method = getAccessibleMethodByName(obj, methodName, args.length);
+        if (method == null)
+        {
+            // 如果为空不报错，直接返回空。
+            logger.debug("在 [" + obj.getClass() + "] 中，没有找到 [" + methodName + "] 方法 ");
+            return null;
+        }
+        try
+        {
+            // 类型转换（将参数数据类型转换为目标方法参数类型）
+            Class<?>[] cs = method.getParameterTypes();
+            for (int i = 0; i < cs.length; i++)
+            {
+                if (args[i] != null && !args[i].getClass().equals(cs[i]))
+                {
+                    if (cs[i] == String.class)
+                    {
+                        args[i] = Convert.toStr(args[i]);
+                        if (StringUtils.endsWith((String) args[i], ".0"))
+                        {
+                            args[i] = StringUtils.substringBefore((String) args[i], ".0");
+                        }
+                    }
+                    else if (cs[i] == Integer.class)
+                    {
+                        args[i] = Convert.toInt(args[i]);
+                    }
+                    else if (cs[i] == Long.class)
+                    {
+                        args[i] = Convert.toLong(args[i]);
+                    }
+                    else if (cs[i] == Double.class)
+                    {
+                        args[i] = Convert.toDouble(args[i]);
+                    }
+                    else if (cs[i] == Float.class)
+                    {
+                        args[i] = Convert.toFloat(args[i]);
+                    }
+                    else if (cs[i] == Date.class)
+                    {
+                        if (args[i] instanceof String)
+                        {
+                            args[i] = DateUtils.parseDate(args[i]);
+                        }
+                        else
+                        {
+                            args[i] = DateUtil.getJavaDate((Double) args[i]);
+                        }
+                    }
+                }
+            }
+            return (E) method.invoke(obj, args);
+        }
+        catch (Exception e)
+        {
+            String msg = "method: " + method + ", obj: " + obj + ", args: " + args + "";
+            throw convertReflectionExceptionToUnchecked(msg, e);
+        }
+    }
+
+    /**
+     * 循环向上转型, 获取对象的DeclaredField, 并强制设置为可访问.
+     * 如向上转型到Object仍无法找到, 返回null.
+     */
+    public static Field getAccessibleField(final Object obj, final String fieldName)
+    {
+        // 为空不报错。直接返回 null
+        if (obj == null)
+        {
+            return null;
+        }
+        Validate.notBlank(fieldName, "fieldName can't be blank");
+        for (Class<?> superClass = obj.getClass(); superClass != Object.class; superClass = superClass.getSuperclass())
+        {
+            try
+            {
+                Field field = superClass.getDeclaredField(fieldName);
+                makeAccessible(field);
+                return field;
+            }
+            catch (NoSuchFieldException e)
+            {
+                continue;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * 循环向上转型, 获取对象的DeclaredMethod,并强制设置为可访问.
+     * 如向上转型到Object仍无法找到, 返回null.
+     * 匹配函数名+参数类型。
+     * 用于方法需要被多次调用的情况. 先使用本函数先取得Method,然后调用Method.invoke(Object obj, Object... args)
+     */
+    public static Method getAccessibleMethod(final Object obj, final String methodName,
+            final Class<?>... parameterTypes)
+    {
+        // 为空不报错。直接返回 null
+        if (obj == null)
+        {
+            return null;
+        }
+        Validate.notBlank(methodName, "methodName can't be blank");
+        for (Class<?> searchType = obj.getClass(); searchType != Object.class; searchType = searchType.getSuperclass())
+        {
+            try
+            {
+                Method method = searchType.getDeclaredMethod(methodName, parameterTypes);
+                makeAccessible(method);
+                return method;
+            }
+            catch (NoSuchMethodException e)
+            {
+                continue;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * 循环向上转型, 获取对象的DeclaredMethod,并强制设置为可访问.
+     * 如向上转型到Object仍无法找到, 返回null.
+     * 只匹配函数名。
+     * 用于方法需要被多次调用的情况. 先使用本函数先取得Method,然后调用Method.invoke(Object obj, Object... args)
+     */
+    public static Method getAccessibleMethodByName(final Object obj, final String methodName, int argsNum)
+    {
+        // 为空不报错。直接返回 null
+        if (obj == null)
+        {
+            return null;
+        }
+        Validate.notBlank(methodName, "methodName can't be blank");
+        for (Class<?> searchType = obj.getClass(); searchType != Object.class; searchType = searchType.getSuperclass())
+        {
+            Method[] methods = searchType.getDeclaredMethods();
+            for (Method method : methods)
+            {
+                if (method.getName().equals(methodName) && method.getParameterTypes().length == argsNum)
+                {
+                    makeAccessible(method);
+                    return method;
+                }
+            }
+        }
+        return null;
+    }
+
+    /**
+     * 改变private/protected的方法为public，尽量不调用实际改动的语句，避免JDK的SecurityManager抱怨。
+     */
+    public static void makeAccessible(Method method)
+    {
+        if ((!Modifier.isPublic(method.getModifiers()) || !Modifier.isPublic(method.getDeclaringClass().getModifiers()))
+                && !method.isAccessible())
+        {
+            method.setAccessible(true);
+        }
+    }
+
+    /**
+     * 改变private/protected的成员变量为public，尽量不调用实际改动的语句，避免JDK的SecurityManager抱怨。
+     */
+    public static void makeAccessible(Field field)
+    {
+        if ((!Modifier.isPublic(field.getModifiers()) || !Modifier.isPublic(field.getDeclaringClass().getModifiers())
+                || Modifier.isFinal(field.getModifiers())) && !field.isAccessible())
+        {
+            field.setAccessible(true);
+        }
+    }
+
+    /**
+     * 通过反射, 获得Class定义中声明的泛型参数的类型, 注意泛型必须定义在父类处
+     * 如无法找到, 返回Object.class.
+     */
+    @SuppressWarnings("unchecked")
+    public static <T> Class<T> getClassGenricType(final Class clazz)
+    {
+        return getClassGenricType(clazz, 0);
+    }
+
+    /**
+     * 通过反射, 获得Class定义中声明的父类的泛型参数的类型.
+     * 如无法找到, 返回Object.class.
+     */
+    public static Class getClassGenricType(final Class clazz, final int index)
+    {
+        Type genType = clazz.getGenericSuperclass();
+
+        if (!(genType instanceof ParameterizedType))
+        {
+            logger.debug(clazz.getSimpleName() + "'s superclass not ParameterizedType");
+            return Object.class;
+        }
+
+        Type[] params = ((ParameterizedType) genType).getActualTypeArguments();
+
+        if (index >= params.length || index < 0)
+        {
+            logger.debug("Index: " + index + ", Size of " + clazz.getSimpleName() + "'s Parameterized Type: "
+                    + params.length);
+            return Object.class;
+        }
+        if (!(params[index] instanceof Class))
+        {
+            logger.debug(clazz.getSimpleName() + " not set the actual class on superclass generic parameter");
+            return Object.class;
+        }
+
+        return (Class) params[index];
+    }
+
+    public static Class<?> getUserClass(Object instance)
+    {
+        if (instance == null)
+        {
+            throw new RuntimeException("Instance must not be null");
+        }
+        Class clazz = instance.getClass();
+        if (clazz != null && clazz.getName().contains(CGLIB_CLASS_SEPARATOR))
+        {
+            Class<?> superClass = clazz.getSuperclass();
+            if (superClass != null && !Object.class.equals(superClass))
+            {
+                return superClass;
+            }
+        }
+        return clazz;
+
+    }
+
+    /**
+     * 将反射时的checked exception转换为unchecked exception.
+     */
+    public static RuntimeException convertReflectionExceptionToUnchecked(String msg, Exception e)
+    {
+        if (e instanceof IllegalAccessException || e instanceof IllegalArgumentException
+                || e instanceof NoSuchMethodException)
+        {
+            return new IllegalArgumentException(msg, e);
+        }
+        else if (e instanceof InvocationTargetException)
+        {
+            return new RuntimeException(msg, ((InvocationTargetException) e).getTargetException());
+        }
+        return new RuntimeException(msg, e);
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/sign/Base64.java

@@ -0,0 +1,291 @@
+package com.stdiet.common.utils.sign;
+
+/**
+ * Base64工具类
+ * 
+ * @author ruoyi
+ */
+public final class Base64
+{
+    static private final int     BASELENGTH           = 128;
+    static private final int     LOOKUPLENGTH         = 64;
+    static private final int     TWENTYFOURBITGROUP   = 24;
+    static private final int     EIGHTBIT             = 8;
+    static private final int     SIXTEENBIT           = 16;
+    static private final int     FOURBYTE             = 4;
+    static private final int     SIGN                 = -128;
+    static private final char    PAD                  = '=';
+    static final private byte[]  base64Alphabet       = new byte[BASELENGTH];
+    static final private char[]  lookUpBase64Alphabet = new char[LOOKUPLENGTH];
+
+    static
+    {
+        for (int i = 0; i < BASELENGTH; ++i)
+        {
+            base64Alphabet[i] = -1;
+        }
+        for (int i = 'Z'; i >= 'A'; i--)
+        {
+            base64Alphabet[i] = (byte) (i - 'A');
+        }
+        for (int i = 'z'; i >= 'a'; i--)
+        {
+            base64Alphabet[i] = (byte) (i - 'a' + 26);
+        }
+
+        for (int i = '9'; i >= '0'; i--)
+        {
+            base64Alphabet[i] = (byte) (i - '0' + 52);
+        }
+
+        base64Alphabet['+'] = 62;
+        base64Alphabet['/'] = 63;
+
+        for (int i = 0; i <= 25; i++)
+        {
+            lookUpBase64Alphabet[i] = (char) ('A' + i);
+        }
+
+        for (int i = 26, j = 0; i <= 51; i++, j++)
+        {
+            lookUpBase64Alphabet[i] = (char) ('a' + j);
+        }
+
+        for (int i = 52, j = 0; i <= 61; i++, j++)
+        {
+            lookUpBase64Alphabet[i] = (char) ('0' + j);
+        }
+        lookUpBase64Alphabet[62] = (char) '+';
+        lookUpBase64Alphabet[63] = (char) '/';
+    }
+
+    private static boolean isWhiteSpace(char octect)
+    {
+        return (octect == 0x20 || octect == 0xd || octect == 0xa || octect == 0x9);
+    }
+
+    private static boolean isPad(char octect)
+    {
+        return (octect == PAD);
+    }
+
+    private static boolean isData(char octect)
+    {
+        return (octect < BASELENGTH && base64Alphabet[octect] != -1);
+    }
+
+    /**
+     * Encodes hex octects into Base64
+     *
+     * @param binaryData Array containing binaryData
+     * @return Encoded Base64 array
+     */
+    public static String encode(byte[] binaryData)
+    {
+        if (binaryData == null)
+        {
+            return null;
+        }
+
+        int lengthDataBits = binaryData.length * EIGHTBIT;
+        if (lengthDataBits == 0)
+        {
+            return "";
+        }
+
+        int fewerThan24bits = lengthDataBits % TWENTYFOURBITGROUP;
+        int numberTriplets = lengthDataBits / TWENTYFOURBITGROUP;
+        int numberQuartet = fewerThan24bits != 0 ? numberTriplets + 1 : numberTriplets;
+        char encodedData[] = null;
+
+        encodedData = new char[numberQuartet * 4];
+
+        byte k = 0, l = 0, b1 = 0, b2 = 0, b3 = 0;
+
+        int encodedIndex = 0;
+        int dataIndex = 0;
+
+        for (int i = 0; i < numberTriplets; i++)
+        {
+            b1 = binaryData[dataIndex++];
+            b2 = binaryData[dataIndex++];
+            b3 = binaryData[dataIndex++];
+
+            l = (byte) (b2 & 0x0f);
+            k = (byte) (b1 & 0x03);
+
+            byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0);
+            byte val2 = ((b2 & SIGN) == 0) ? (byte) (b2 >> 4) : (byte) ((b2) >> 4 ^ 0xf0);
+            byte val3 = ((b3 & SIGN) == 0) ? (byte) (b3 >> 6) : (byte) ((b3) >> 6 ^ 0xfc);
+
+            encodedData[encodedIndex++] = lookUpBase64Alphabet[val1];
+            encodedData[encodedIndex++] = lookUpBase64Alphabet[val2 | (k << 4)];
+            encodedData[encodedIndex++] = lookUpBase64Alphabet[(l << 2) | val3];
+            encodedData[encodedIndex++] = lookUpBase64Alphabet[b3 & 0x3f];
+        }
+
+        // form integral number of 6-bit groups
+        if (fewerThan24bits == EIGHTBIT)
+        {
+            b1 = binaryData[dataIndex];
+            k = (byte) (b1 & 0x03);
+            byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0);
+            encodedData[encodedIndex++] = lookUpBase64Alphabet[val1];
+            encodedData[encodedIndex++] = lookUpBase64Alphabet[k << 4];
+            encodedData[encodedIndex++] = PAD;
+            encodedData[encodedIndex++] = PAD;
+        }
+        else if (fewerThan24bits == SIXTEENBIT)
+        {
+            b1 = binaryData[dataIndex];
+            b2 = binaryData[dataIndex + 1];
+            l = (byte) (b2 & 0x0f);
+            k = (byte) (b1 & 0x03);
+
+            byte val1 = ((b1 & SIGN) == 0) ? (byte) (b1 >> 2) : (byte) ((b1) >> 2 ^ 0xc0);
+            byte val2 = ((b2 & SIGN) == 0) ? (byte) (b2 >> 4) : (byte) ((b2) >> 4 ^ 0xf0);
+
+            encodedData[encodedIndex++] = lookUpBase64Alphabet[val1];
+            encodedData[encodedIndex++] = lookUpBase64Alphabet[val2 | (k << 4)];
+            encodedData[encodedIndex++] = lookUpBase64Alphabet[l << 2];
+            encodedData[encodedIndex++] = PAD;
+        }
+        return new String(encodedData);
+    }
+
+    /**
+     * Decodes Base64 data into octects
+     *
+     * @param encoded string containing Base64 data
+     * @return Array containind decoded data.
+     */
+    public static byte[] decode(String encoded)
+    {
+        if (encoded == null)
+        {
+            return null;
+        }
+
+        char[] base64Data = encoded.toCharArray();
+        // remove white spaces
+        int len = removeWhiteSpace(base64Data);
+
+        if (len % FOURBYTE != 0)
+        {
+            return null;// should be divisible by four
+        }
+
+        int numberQuadruple = (len / FOURBYTE);
+
+        if (numberQuadruple == 0)
+        {
+            return new byte[0];
+        }
+
+        byte decodedData[] = null;
+        byte b1 = 0, b2 = 0, b3 = 0, b4 = 0;
+        char d1 = 0, d2 = 0, d3 = 0, d4 = 0;
+
+        int i = 0;
+        int encodedIndex = 0;
+        int dataIndex = 0;
+        decodedData = new byte[(numberQuadruple) * 3];
+
+        for (; i < numberQuadruple - 1; i++)
+        {
+
+            if (!isData((d1 = base64Data[dataIndex++])) || !isData((d2 = base64Data[dataIndex++]))
+                    || !isData((d3 = base64Data[dataIndex++])) || !isData((d4 = base64Data[dataIndex++])))
+            {
+                return null;
+            } // if found "no data" just return null
+
+            b1 = base64Alphabet[d1];
+            b2 = base64Alphabet[d2];
+            b3 = base64Alphabet[d3];
+            b4 = base64Alphabet[d4];
+
+            decodedData[encodedIndex++] = (byte) (b1 << 2 | b2 >> 4);
+            decodedData[encodedIndex++] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
+            decodedData[encodedIndex++] = (byte) (b3 << 6 | b4);
+        }
+
+        if (!isData((d1 = base64Data[dataIndex++])) || !isData((d2 = base64Data[dataIndex++])))
+        {
+            return null;// if found "no data" just return null
+        }
+
+        b1 = base64Alphabet[d1];
+        b2 = base64Alphabet[d2];
+
+        d3 = base64Data[dataIndex++];
+        d4 = base64Data[dataIndex++];
+        if (!isData((d3)) || !isData((d4)))
+        {// Check if they are PAD characters
+            if (isPad(d3) && isPad(d4))
+            {
+                if ((b2 & 0xf) != 0)// last 4 bits should be zero
+                {
+                    return null;
+                }
+                byte[] tmp = new byte[i * 3 + 1];
+                System.arraycopy(decodedData, 0, tmp, 0, i * 3);
+                tmp[encodedIndex] = (byte) (b1 << 2 | b2 >> 4);
+                return tmp;
+            }
+            else if (!isPad(d3) && isPad(d4))
+            {
+                b3 = base64Alphabet[d3];
+                if ((b3 & 0x3) != 0)// last 2 bits should be zero
+                {
+                    return null;
+                }
+                byte[] tmp = new byte[i * 3 + 2];
+                System.arraycopy(decodedData, 0, tmp, 0, i * 3);
+                tmp[encodedIndex++] = (byte) (b1 << 2 | b2 >> 4);
+                tmp[encodedIndex] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
+                return tmp;
+            }
+            else
+            {
+                return null;
+            }
+        }
+        else
+        { // No PAD e.g 3cQl
+            b3 = base64Alphabet[d3];
+            b4 = base64Alphabet[d4];
+            decodedData[encodedIndex++] = (byte) (b1 << 2 | b2 >> 4);
+            decodedData[encodedIndex++] = (byte) (((b2 & 0xf) << 4) | ((b3 >> 2) & 0xf));
+            decodedData[encodedIndex++] = (byte) (b3 << 6 | b4);
+
+        }
+        return decodedData;
+    }
+
+    /**
+     * remove WhiteSpace from MIME containing encoded Base64 data.
+     *
+     * @param data the byte array of base64 data (with WS)
+     * @return the new length
+     */
+    private static int removeWhiteSpace(char[] data)
+    {
+        if (data == null)
+        {
+            return 0;
+        }
+
+        // count characters that's not whitespace
+        int newSize = 0;
+        int len = data.length;
+        for (int i = 0; i < len; i++)
+        {
+            if (!isWhiteSpace(data[i]))
+            {
+                data[newSize++] = data[i];
+            }
+        }
+        return newSize;
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/sign/Md5Utils.java

@@ -0,0 +1,66 @@
+package com.stdiet.common.utils.sign;
+
+import java.security.MessageDigest;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Md5加密方法
+ * 
+ * @author stdiet
+ */
+public class Md5Utils
+{
+    private static final Logger log = LoggerFactory.getLogger(Md5Utils.class);
+
+    private static byte[] md5(String s)
+    {
+        MessageDigest algorithm;
+        try
+        {
+            algorithm = MessageDigest.getInstance("MD5");
+            algorithm.reset();
+            algorithm.update(s.getBytes("UTF-8"));
+            byte[] messageDigest = algorithm.digest();
+            return messageDigest;
+        }
+        catch (Exception e)
+        {
+            log.error("MD5 Error...", e);
+        }
+        return null;
+    }
+
+    private static final String toHex(byte hash[])
+    {
+        if (hash == null)
+        {
+            return null;
+        }
+        StringBuffer buf = new StringBuffer(hash.length * 2);
+        int i;
+
+        for (i = 0; i < hash.length; i++)
+        {
+            if ((hash[i] & 0xff) < 0x10)
+            {
+                buf.append("0");
+            }
+            buf.append(Long.toString(hash[i] & 0xff, 16));
+        }
+        return buf.toString();
+    }
+
+    public static String hash(String s)
+    {
+        try
+        {
+            return new String(toHex(md5(s)).getBytes("UTF-8"), "UTF-8");
+        }
+        catch (Exception e)
+        {
+            log.error("not supported charset...{}", e);
+            return s;
+        }
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/spring/SpringUtils.java

@@ -0,0 +1,146 @@
+package com.stdiet.common.utils.spring;
+
+import org.springframework.aop.framework.AopContext;
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.NoSuchBeanDefinitionException;
+import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
+import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ApplicationContextAware;
+import org.springframework.stereotype.Component;
+import com.stdiet.common.utils.StringUtils;
+
+/**
+ * spring工具类 方便在非spring管理环境中获取bean
+ * 
+ * @author stdiet
+ */
+@Component
+public final class SpringUtils implements BeanFactoryPostProcessor, ApplicationContextAware 
+{
+    /** Spring应用上下文环境 */
+    private static ConfigurableListableBeanFactory beanFactory;
+
+    private static ApplicationContext applicationContext;
+
+    @Override
+    public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException 
+    {
+        SpringUtils.beanFactory = beanFactory;
+    }
+
+    @Override
+    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException 
+    {
+        SpringUtils.applicationContext = applicationContext;
+    }
+
+    /**
+     * 获取对象
+     *
+     * @param name
+     * @return Object 一个以所给名字注册的bean的实例
+     * @throws org.springframework.beans.BeansException
+     *
+     */
+    @SuppressWarnings("unchecked")
+    public static <T> T getBean(String name) throws BeansException
+    {
+        return (T) beanFactory.getBean(name);
+    }
+
+    /**
+     * 获取类型为requiredType的对象
+     *
+     * @param clz
+     * @return
+     * @throws org.springframework.beans.BeansException
+     *
+     */
+    public static <T> T getBean(Class<T> clz) throws BeansException
+    {
+        T result = (T) beanFactory.getBean(clz);
+        return result;
+    }
+
+    /**
+     * 如果BeanFactory包含一个与所给名称匹配的bean定义，则返回true
+     *
+     * @param name
+     * @return boolean
+     */
+    public static boolean containsBean(String name)
+    {
+        return beanFactory.containsBean(name);
+    }
+
+    /**
+     * 判断以给定名字注册的bean定义是一个singleton还是一个prototype。 如果与给定名字相应的bean定义没有被找到，将会抛出一个异常（NoSuchBeanDefinitionException）
+     *
+     * @param name
+     * @return boolean
+     * @throws org.springframework.beans.factory.NoSuchBeanDefinitionException
+     *
+     */
+    public static boolean isSingleton(String name) throws NoSuchBeanDefinitionException
+    {
+        return beanFactory.isSingleton(name);
+    }
+
+    /**
+     * @param name
+     * @return Class 注册对象的类型
+     * @throws org.springframework.beans.factory.NoSuchBeanDefinitionException
+     *
+     */
+    public static Class<?> getType(String name) throws NoSuchBeanDefinitionException
+    {
+        return beanFactory.getType(name);
+    }
+
+    /**
+     * 如果给定的bean名字在bean定义中有别名，则返回这些别名
+     *
+     * @param name
+     * @return
+     * @throws org.springframework.beans.factory.NoSuchBeanDefinitionException
+     *
+     */
+    public static String[] getAliases(String name) throws NoSuchBeanDefinitionException
+    {
+        return beanFactory.getAliases(name);
+    }
+
+    /**
+     * 获取aop代理对象
+     * 
+     * @param invoker
+     * @return
+     */
+    @SuppressWarnings("unchecked")
+    public static <T> T getAopProxy(T invoker)
+    {
+        return (T) AopContext.currentProxy();
+    }
+
+    /**
+     * 获取当前的环境配置，无配置返回null
+     *
+     * @return 当前的环境配置
+     */
+    public static String[] getActiveProfiles()
+    {
+        return applicationContext.getEnvironment().getActiveProfiles();
+    }
+
+    /**
+     * 获取当前的环境配置，当有多个环境配置时，只获取第一个
+     *
+     * @return 当前的环境配置
+     */
+    public static String getActiveProfile()
+    {
+        final String[] activeProfiles = getActiveProfiles();
+        return StringUtils.isNotEmpty(activeProfiles) ? activeProfiles[0] : null;
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/sql/SqlUtil.java

@@ -0,0 +1,37 @@
+package com.stdiet.common.utils.sql;
+
+import com.stdiet.common.exception.BaseException;
+import com.stdiet.common.utils.StringUtils;
+
+/**
+ * sql操作工具类
+ * 
+ * @author stdiet
+ */
+public class SqlUtil
+{
+    /**
+     * 仅支持字母、数字、下划线、空格、逗号、小数点（支持多个字段排序）
+     */
+    public static String SQL_PATTERN = "[a-zA-Z0-9_\\ \\,\\.]+";
+
+    /**
+     * 检查字符，防止注入绕过
+     */
+    public static String escapeOrderBySql(String value)
+    {
+        if (StringUtils.isNotEmpty(value) && !isValidOrderBySql(value))
+        {
+            throw new BaseException("参数不符合规范，不能进行查询");
+        }
+        return value;
+    }
+
+    /**
+     * 验证 order by 语法是否符合规范
+     */
+    public static boolean isValidOrderBySql(String value)
+    {
+        return value.matches(SQL_PATTERN);
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/uuid/IdUtils.java

@@ -0,0 +1,51 @@
+package com.stdiet.common.utils.uuid;
+
+import com.stdiet.common.utils.uuid.UUID;
+
+/**
+ * ID生成器工具类
+ * 
+ * @author stdiet
+ */
+public class IdUtils
+{
+    /**
+     * 获取随机UUID
+     * 
+     * @return 随机UUID
+     */
+    public static String randomUUID()
+    {
+        return UUID.randomUUID().toString();
+    }
+
+    /**
+     * 简化的UUID，去掉了横线
+     * 
+     * @return 简化的UUID，去掉了横线
+     */
+    public static String simpleUUID()
+    {
+        return UUID.randomUUID().toString(true);
+    }
+
+    /**
+     * 获取随机UUID，使用性能更好的ThreadLocalRandom生成UUID
+     * 
+     * @return 随机UUID
+     */
+    public static String fastUUID()
+    {
+        return UUID.fastUUID().toString();
+    }
+
+    /**
+     * 简化的UUID，去掉了横线，使用性能更好的ThreadLocalRandom生成UUID
+     * 
+     * @return 简化的UUID，去掉了横线
+     */
+    public static String fastSimpleUUID()
+    {
+        return UUID.fastUUID().toString(true);
+    }
+}

stdiet-common/src/main/java/com/stdiet/common/utils/uuid/UUID.java

@@ -0,0 +1,484 @@
+package com.stdiet.common.utils.uuid;
+
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.security.SecureRandom;
+import java.util.Random;
+import java.util.concurrent.ThreadLocalRandom;
+import com.stdiet.common.exception.UtilException;
+
+/**
+ * 提供通用唯一识别码（universally unique identifier）（UUID）实现
+ *
+ * @author stdiet
+ */
+public final class UUID implements java.io.Serializable, Comparable<UUID>
+{
+    private static final long serialVersionUID = -1185015143654744140L;
+
+    /**
+     * SecureRandom 的单例
+     *
+     */
+    private static class Holder
+    {
+        static final SecureRandom numberGenerator = getSecureRandom();
+    }
+
+    /** 此UUID的最高64有效位 */
+    private final long mostSigBits;
+
+    /** 此UUID的最低64有效位 */
+    private final long leastSigBits;
+
+    /**
+     * 私有构造
+     * 
+     * @param data 数据
+     */
+    private UUID(byte[] data)
+    {
+        long msb = 0;
+        long lsb = 0;
+        assert data.length == 16 : "data must be 16 bytes in length";
+        for (int i = 0; i < 8; i++)
+        {
+            msb = (msb << 8) | (data[i] & 0xff);
+        }
+        for (int i = 8; i < 16; i++)
+        {
+            lsb = (lsb << 8) | (data[i] & 0xff);
+        }
+        this.mostSigBits = msb;
+        this.leastSigBits = lsb;
+    }
+
+    /**
+     * 使用指定的数据构造新的 UUID。
+     *
+     * @param mostSigBits 用于 {@code UUID} 的最高有效 64 位
+     * @param leastSigBits 用于 {@code UUID} 的最低有效 64 位
+     */
+    public UUID(long mostSigBits, long leastSigBits)
+    {
+        this.mostSigBits = mostSigBits;
+        this.leastSigBits = leastSigBits;
+    }
+
+    /**
+     * 获取类型 4（伪随机生成的）UUID 的静态工厂。 使用加密的本地线程伪随机数生成器生成该 UUID。
+     * 
+     * @return 随机生成的 {@code UUID}
+     */
+    public static UUID fastUUID()
+    {
+        return randomUUID(false);
+    }
+
+    /**
+     * 获取类型 4（伪随机生成的）UUID 的静态工厂。 使用加密的强伪随机数生成器生成该 UUID。
+     * 
+     * @return 随机生成的 {@code UUID}
+     */
+    public static UUID randomUUID()
+    {
+        return randomUUID(true);
+    }
+
+    /**
+     * 获取类型 4（伪随机生成的）UUID 的静态工厂。 使用加密的强伪随机数生成器生成该 UUID。
+     * 
+     * @param isSecure 是否使用{@link SecureRandom}如果是可以获得更安全的随机码，否则可以得到更好的性能
+     * @return 随机生成的 {@code UUID}
+     */
+    public static UUID randomUUID(boolean isSecure)
+    {
+        final Random ng = isSecure ? Holder.numberGenerator : getRandom();
+
+        byte[] randomBytes = new byte[16];
+        ng.nextBytes(randomBytes);
+        randomBytes[6] &= 0x0f; /* clear version */
+        randomBytes[6] |= 0x40; /* set to version 4 */
+        randomBytes[8] &= 0x3f; /* clear variant */
+        randomBytes[8] |= 0x80; /* set to IETF variant */
+        return new UUID(randomBytes);
+    }
+
+    /**
+     * 根据指定的字节数组获取类型 3（基于名称的）UUID 的静态工厂。
+     *
+     * @param name 用于构造 UUID 的字节数组。
+     *
+     * @return 根据指定数组生成的 {@code UUID}
+     */
+    public static UUID nameUUIDFromBytes(byte[] name)
+    {
+        MessageDigest md;
+        try
+        {
+            md = MessageDigest.getInstance("MD5");
+        }
+        catch (NoSuchAlgorithmException nsae)
+        {
+            throw new InternalError("MD5 not supported");
+        }
+        byte[] md5Bytes = md.digest(name);
+        md5Bytes[6] &= 0x0f; /* clear version */
+        md5Bytes[6] |= 0x30; /* set to version 3 */
+        md5Bytes[8] &= 0x3f; /* clear variant */
+        md5Bytes[8] |= 0x80; /* set to IETF variant */
+        return new UUID(md5Bytes);
+    }
+
+    /**
+     * 根据 {@link #toString()} 方法中描述的字符串标准表示形式创建{@code UUID}。
+     *
+     * @param name 指定 {@code UUID} 字符串
+     * @return 具有指定值的 {@code UUID}
+     * @throws IllegalArgumentException 如果 name 与 {@link #toString} 中描述的字符串表示形式不符抛出此异常
+     *
+     */
+    public static UUID fromString(String name)
+    {
+        String[] components = name.split("-");
+        if (components.length != 5)
+        {
+            throw new IllegalArgumentException("Invalid UUID string: " + name);
+        }
+        for (int i = 0; i < 5; i++)
+        {
+            components[i] = "0x" + components[i];
+        }
+
+        long mostSigBits = Long.decode(components[0]).longValue();
+        mostSigBits <<= 16;
+        mostSigBits |= Long.decode(components[1]).longValue();
+        mostSigBits <<= 16;
+        mostSigBits |= Long.decode(components[2]).longValue();
+
+        long leastSigBits = Long.decode(components[3]).longValue();
+        leastSigBits <<= 48;
+        leastSigBits |= Long.decode(components[4]).longValue();
+
+        return new UUID(mostSigBits, leastSigBits);
+    }
+
+    /**
+     * 返回此 UUID 的 128 位值中的最低有效 64 位。
+     *
+     * @return 此 UUID 的 128 位值中的最低有效 64 位。
+     */
+    public long getLeastSignificantBits()
+    {
+        return leastSigBits;
+    }
+
+    /**
+     * 返回此 UUID 的 128 位值中的最高有效 64 位。
+     *
+     * @return 此 UUID 的 128 位值中最高有效 64 位。
+     */
+    public long getMostSignificantBits()
+    {
+        return mostSigBits;
+    }
+
+    /**
+     * 与此 {@code UUID} 相关联的版本号. 版本号描述此 {@code UUID} 是如何生成的。
+     * <p>
+     * 版本号具有以下含意:
+     * <ul>
+     * <li>1 基于时间的 UUID
+     * <li>2 DCE 安全 UUID
+     * <li>3 基于名称的 UUID
+     * <li>4 随机生成的 UUID
+     * </ul>
+     *
+     * @return 此 {@code UUID} 的版本号
+     */
+    public int version()
+    {
+        // Version is bits masked by 0x000000000000F000 in MS long
+        return (int) ((mostSigBits >> 12) & 0x0f);
+    }
+
+    /**
+     * 与此 {@code UUID} 相关联的变体号。变体号描述 {@code UUID} 的布局。
+     * <p>
+     * 变体号具有以下含意：
+     * <ul>
+     * <li>0 为 NCS 向后兼容保留
+     * <li>2 <a href="http://www.ietf.org/rfc/rfc4122.txt">IETF&nbsp;RFC&nbsp;4122</a>(Leach-Salz), 用于此类
+     * <li>6 保留，微软向后兼容
+     * <li>7 保留供以后定义使用
+     * </ul>
+     *
+     * @return 此 {@code UUID} 相关联的变体号
+     */
+    public int variant()
+    {
+        // This field is composed of a varying number of bits.
+        // 0 - - Reserved for NCS backward compatibility
+        // 1 0 - The IETF aka Leach-Salz variant (used by this class)
+        // 1 1 0 Reserved, Microsoft backward compatibility
+        // 1 1 1 Reserved for future definition.
+        return (int) ((leastSigBits >>> (64 - (leastSigBits >>> 62))) & (leastSigBits >> 63));
+    }
+
+    /**
+     * 与此 UUID 相关联的时间戳值。
+     *
+     * <p>
+     * 60 位的时间戳值根据此 {@code UUID} 的 time_low、time_mid 和 time_hi 字段构造。<br>
+     * 所得到的时间戳以 100 毫微秒为单位，从 UTC（通用协调时间） 1582 年 10 月 15 日零时开始。
+     *
+     * <p>
+     * 时间戳值仅在在基于时间的 UUID（其 version 类型为 1）中才有意义。<br>
+     * 如果此 {@code UUID} 不是基于时间的 UUID，则此方法抛出 UnsupportedOperationException。
+     *
+     * @throws UnsupportedOperationException 如果此 {@code UUID} 不是 version 为 1 的 UUID。
+     */
+    public long timestamp() throws UnsupportedOperationException
+    {
+        checkTimeBase();
+        return (mostSigBits & 0x0FFFL) << 48//
+                | ((mostSigBits >> 16) & 0x0FFFFL) << 32//
+                | mostSigBits >>> 32;
+    }
+
+    /**
+     * 与此 UUID 相关联的时钟序列值。
+     *
+     * <p>
+     * 14 位的时钟序列值根据此 UUID 的 clock_seq 字段构造。clock_seq 字段用于保证在基于时间的 UUID 中的时间唯一性。
+     * <p>
+     * {@code clockSequence} 值仅在基于时间的 UUID（其 version 类型为 1）中才有意义。 如果此 UUID 不是基于时间的 UUID，则此方法抛出
+     * UnsupportedOperationException。
+     *
+     * @return 此 {@code UUID} 的时钟序列
+     *
+     * @throws UnsupportedOperationException 如果此 UUID 的 version 不为 1
+     */
+    public int clockSequence() throws UnsupportedOperationException
+    {
+        checkTimeBase();
+        return (int) ((leastSigBits & 0x3FFF000000000000L) >>> 48);
+    }
+
+    /**
+     * 与此 UUID 相关的节点值。
+     *
+     * <p>
+     * 48 位的节点值根据此 UUID 的 node 字段构造。此字段旨在用于保存机器的 IEEE 802 地址，该地址用于生成此 UUID 以保证空间唯一性。
+     * <p>
+     * 节点值仅在基于时间的 UUID（其 version 类型为 1）中才有意义。<br>
+     * 如果此 UUID 不是基于时间的 UUID，则此方法抛出 UnsupportedOperationException。
+     *
+     * @return 此 {@code UUID} 的节点值
+     *
+     * @throws UnsupportedOperationException 如果此 UUID 的 version 不为 1
+     */
+    public long node() throws UnsupportedOperationException
+    {
+        checkTimeBase();
+        return leastSigBits & 0x0000FFFFFFFFFFFFL;
+    }
+
+    /**
+     * 返回此{@code UUID} 的字符串表现形式。
+     *
+     * <p>
+     * UUID 的字符串表示形式由此 BNF 描述：
+     * 
+     * <pre>
+     * {@code
+     * UUID                   = <time_low>-<time_mid>-<time_high_and_version>-<variant_and_sequence>-<node>
+     * time_low               = 4*<hexOctet>
+     * time_mid               = 2*<hexOctet>
+     * time_high_and_version  = 2*<hexOctet>
+     * variant_and_sequence   = 2*<hexOctet>
+     * node                   = 6*<hexOctet>
+     * hexOctet               = <hexDigit><hexDigit>
+     * hexDigit               = [0-9a-fA-F]
+     * }
+     * </pre>
+     * 
+     * </blockquote>
+     *
+     * @return 此{@code UUID} 的字符串表现形式
+     * @see #toString(boolean)
+     */
+    @Override
+    public String toString()
+    {
+        return toString(false);
+    }
+
+    /**
+     * 返回此{@code UUID} 的字符串表现形式。
+     *
+     * <p>
+     * UUID 的字符串表示形式由此 BNF 描述：
+     * 
+     * <pre>
+     * {@code
+     * UUID                   = <time_low>-<time_mid>-<time_high_and_version>-<variant_and_sequence>-<node>
+     * time_low               = 4*<hexOctet>
+     * time_mid               = 2*<hexOctet>
+     * time_high_and_version  = 2*<hexOctet>
+     * variant_and_sequence   = 2*<hexOctet>
+     * node                   = 6*<hexOctet>
+     * hexOctet               = <hexDigit><hexDigit>
+     * hexDigit               = [0-9a-fA-F]
+     * }
+     * </pre>
+     * 
+     * </blockquote>
+     *
+     * @param isSimple 是否简单模式，简单模式为不带'-'的UUID字符串
+     * @return 此{@code UUID} 的字符串表现形式
+     */
+    public String toString(boolean isSimple)
+    {
+        final StringBuilder builder = new StringBuilder(isSimple ? 32 : 36);
+        // time_low
+        builder.append(digits(mostSigBits >> 32, 8));
+        if (false == isSimple)
+        {
+            builder.append('-');
+        }
+        // time_mid
+        builder.append(digits(mostSigBits >> 16, 4));
+        if (false == isSimple)
+        {
+            builder.append('-');
+        }
+        // time_high_and_version
+        builder.append(digits(mostSigBits, 4));
+        if (false == isSimple)
+        {
+            builder.append('-');
+        }
+        // variant_and_sequence
+        builder.append(digits(leastSigBits >> 48, 4));
+        if (false == isSimple)
+        {
+            builder.append('-');
+        }
+        // node
+        builder.append(digits(leastSigBits, 12));
+
+        return builder.toString();
+    }
+
+    /**
+     * 返回此 UUID 的哈希码。
+     *
+     * @return UUID 的哈希码值。
+     */
+    @Override
+    public int hashCode()
+    {
+        long hilo = mostSigBits ^ leastSigBits;
+        return ((int) (hilo >> 32)) ^ (int) hilo;
+    }
+
+    /**
+     * 将此对象与指定对象比较。
+     * <p>
+     * 当且仅当参数不为 {@code null}、而是一个 UUID 对象、具有与此 UUID 相同的 varriant、包含相同的值（每一位均相同）时，结果才为 {@code true}。
+     *
+     * @param obj 要与之比较的对象
+     *
+     * @return 如果对象相同，则返回 {@code true}；否则返回 {@code false}
+     */
+    @Override
+    public boolean equals(Object obj)
+    {
+        if ((null == obj) || (obj.getClass() != UUID.class))
+        {
+            return false;
+        }
+        UUID id = (UUID) obj;
+        return (mostSigBits == id.mostSigBits && leastSigBits == id.leastSigBits);
+    }
+
+    // Comparison Operations
+
+    /**
+     * 将此 UUID 与指定的 UUID 比较。
+     *
+     * <p>
+     * 如果两个 UUID 不同，且第一个 UUID 的最高有效字段大于第二个 UUID 的对应字段，则第一个 UUID 大于第二个 UUID。
+     *
+     * @param val 与此 UUID 比较的 UUID
+     *
+     * @return 在此 UUID 小于、等于或大于 val 时，分别返回 -1、0 或 1。
+     *
+     */
+    @Override
+    public int compareTo(UUID val)
+    {
+        // The ordering is intentionally set up so that the UUIDs
+        // can simply be numerically compared as two numbers
+        return (this.mostSigBits < val.mostSigBits ? -1 : //
+                (this.mostSigBits > val.mostSigBits ? 1 : //
+                        (this.leastSigBits < val.leastSigBits ? -1 : //
+                                (this.leastSigBits > val.leastSigBits ? 1 : //
+                                        0))));
+    }
+
+    // -------------------------------------------------------------------------------------------------------------------
+    // Private method start
+    /**
+     * 返回指定数字对应的hex值
+     * 
+     * @param val 值
+     * @param digits 位
+     * @return 值
+     */
+    private static String digits(long val, int digits)
+    {
+        long hi = 1L << (digits * 4);
+        return Long.toHexString(hi | (val & (hi - 1))).substring(1);
+    }
+
+    /**
+     * 检查是否为time-based版本UUID
+     */
+    private void checkTimeBase()
+    {
+        if (version() != 1)
+        {
+            throw new UnsupportedOperationException("Not a time-based UUID");
+        }
+    }
+
+    /**
+     * 获取{@link SecureRandom}，类提供加密的强随机数生成器 (RNG)
+     * 
+     * @return {@link SecureRandom}
+     */
+    public static SecureRandom getSecureRandom()
+    {
+        try
+        {
+            return SecureRandom.getInstance("SHA1PRNG");
+        }
+        catch (NoSuchAlgorithmException e)
+        {
+            throw new UtilException(e);
+        }
+    }
+
+    /**
+     * 获取随机数生成器对象<br>
+     * ThreadLocalRandom是JDK 7之后提供并发产生随机数，能够解决多个线程发生的竞争争夺。
+     * 
+     * @return {@link ThreadLocalRandom}
+     */
+    public static ThreadLocalRandom getRandom()
+    {
+        return ThreadLocalRandom.current();
+    }
+}