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This commit is contained in:
huangdeliang
2021-06-09 19:12:48 +08:00
parent 02e5110d2c
commit e99ebfadb7
9 changed files with 346 additions and 193 deletions
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272
stdiet-common/src/main/java/com/stdiet/common/utils/StringUtils.java
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@@ -1,191 +1,174 @@
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;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* 字符串工具类
*
*
* @author ruoyi
*/
public class StringUtils extends org.apache.commons.lang3.StringUtils
{
/** 空字符串 */
public class StringUtils extends org.apache.commons.lang3.StringUtils {
/**
* 空字符串
*/
private static final String NULLSTR = "";
/** 下划线 */
/**
* 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)
{
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)
{
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)
{
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
* * @return true：为空 false：非空
*/
public static boolean isEmpty(Object[] objects)
{
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)
{
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)
{
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)
{
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)
{
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)
{
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)
{
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)
{
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)
{
public static boolean isArray(Object object) {
return isNotNull(object) && object.getClass().isArray();
}
/**
* 去空格
*/
public static String trim(String str)
{
public static String trim(String str) {
return (str == null ? "" : str.trim());
}
/**
* 截取字符串
*
* @param str 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)
{
public static String substring(final String str, int start) {
if (str == null) {
return NULLSTR;
}
if (start < 0)
{
if (start < 0) {
start = str.length() + start;
}
if (start < 0)
{
if (start < 0) {
start = 0;
}
if (start > str.length())
{
if (start > str.length()) {
return NULLSTR;
}
@@ -194,44 +177,36 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils
/**
* 截取字符串
*
* @param str 字符串
*
* @param str 字符串
* @param start 开始
* @param end 结束
* @param end 结束
* @return 结果
*/
public static String substring(final String str, int start, int end)
{
if (str == null)
{
public static String substring(final String str, int start, int end) {
if (str == null) {
return NULLSTR;
}
if (end < 0)
{
if (end < 0) {
end = str.length() + end;
}
if (start < 0)
{
if (start < 0) {
start = str.length() + start;
}
if (end > str.length())
{
if (end > str.length()) {
end = str.length();
}
if (start > end)
{
if (start > end) {
return NULLSTR;
}
if (start < 0)
{
if (start < 0) {
start = 0;
}
if (end < 0)
{
if (end < 0) {
end = 0;
}
@@ -246,15 +221,13 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils
* 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
* @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))
{
public static String format(String template, Object... params) {
if (isEmpty(params) || isEmpty(template)) {
return template;
}
return StrFormatter.format(template, params);
@@ -262,47 +235,40 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils
/**
* 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)
{
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 str 字符串
* @param sep 分隔符
* @param filterBlank 过滤纯空白
* @param trim 去掉首尾空白
* @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)
{
public static final List<String> str2List(String str, String sep, boolean filterBlank, boolean trim) {
List<String> list = new ArrayList<String>();
if (StringUtils.isEmpty(str))
{
if (StringUtils.isEmpty(str)) {
return list;
}
// 过滤空白字符串
if (filterBlank && StringUtils.isBlank(str))
{
if (filterBlank && StringUtils.isBlank(str)) {
return list;
}
String[] split = str.split(sep);
for (String string : split)
{
if (filterBlank && StringUtils.isBlank(string))
{
for (String string : split) {
if (filterBlank && StringUtils.isBlank(string)) {
continue;
}
if (trim)
{
if (trim) {
string = string.trim();
}
list.add(string);
@@ -314,10 +280,8 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils
/**
* 下划线转驼峰命名
*/
public static String toUnderScoreCase(String str)
{
if (str == null)
{
public static String toUnderScoreCase(String str) {
if (str == null) {
return null;
}
StringBuilder sb = new StringBuilder();
@@ -327,31 +291,23 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils
boolean curreCharIsUpperCase = true;
// 下一字符是否大写
boolean nexteCharIsUpperCase = true;
for (int i = 0; i < str.length(); i++)
{
for (int i = 0; i < str.length(); i++) {
char c = str.charAt(i);
if (i > 0)
{
if (i > 0) {
preCharIsUpperCase = Character.isUpperCase(str.charAt(i - 1));
}
else
{
} else {
preCharIsUpperCase = false;
}
curreCharIsUpperCase = Character.isUpperCase(c);
if (i < (str.length() - 1))
{
if (i < (str.length() - 1)) {
nexteCharIsUpperCase = Character.isUpperCase(str.charAt(i + 1));
}
if (preCharIsUpperCase && curreCharIsUpperCase && !nexteCharIsUpperCase)
{
if (preCharIsUpperCase && curreCharIsUpperCase && !nexteCharIsUpperCase) {
sb.append(SEPARATOR);
}
else if ((i != 0 && !preCharIsUpperCase) && curreCharIsUpperCase)
{
} else if ((i != 0 && !preCharIsUpperCase) && curreCharIsUpperCase) {
sb.append(SEPARATOR);
}
sb.append(Character.toLowerCase(c));
@@ -362,19 +318,15 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils
/**
* 是否包含字符串
*
* @param str 验证字符串
*
* @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)))
{
public static boolean inStringIgnoreCase(String str, String... strs) {
if (str != null && strs != null) {
for (String s : strs) {
if (str.equalsIgnoreCase(trim(s))) {
return true;
}
}
@@ -384,31 +336,25 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils
/**
* 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)
{
public static String convertToCamelCase(String name) {
StringBuilder result = new StringBuilder();
// 快速检查
if (name == null || name.isEmpty())
{
if (name == null || name.isEmpty()) {
// 没必要转换
return "";
}
else if (!name.contains("_"))
{
} 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)
{
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())
{
if (camel.isEmpty()) {
continue;
}
// 首字母大写
@@ -421,30 +367,22 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils
/**
* 驼峰式命名法 例如：user_name->userName
*/
public static String toCamelCase(String s)
{
if (s == null)
{
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++)
{
for (int i = 0; i < s.length(); i++) {
char c = s.charAt(i);
if (c == SEPARATOR)
{
if (c == SEPARATOR) {
upperCase = true;
}
else if (upperCase)
{
} else if (upperCase) {
sb.append(Character.toUpperCase(c));
upperCase = false;
}
else
{
} else {
sb.append(c);
}
}
@@ -452,15 +390,21 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils
}
@SuppressWarnings("unchecked")
public static <T> T cast(Object obj)
{
public static <T> T cast(Object obj) {
return (T) obj;
}
/**
* 手机号隐式处理
* */
public static String hiddenPhoneNumber(String phoneNumber){
*/
public static String hiddenPhoneNumber(String phoneNumber) {
return phoneNumber.replaceAll("(\\d{3})\\d{4}(\\d{4})", "$1****$2");
}
public static boolean isMobileNO(String phone) {
String rule = "((\\+86|0086)?\\s*)((134[0-8]\\d{7})|(((13([0-3]|[5-9]))|(14[5-9])|15([0-3]|[5-9])|(16(2|[5-7]))|17([0-3]|[5-8])|18[0-9]|19(1|[8-9]))\\d{8})|(14(0|1|4)0\\d{7})|(1740([0-5]|[6-9]|[10-12])\\d{7}))";
Pattern p = Pattern.compile(rule);
Matcher m = p.matcher(phone);
return m.matches();
}
}