若依 3.0

ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CaptchaController.java

@@ -0,0 +1,62 @@
+package com.ruoyi.web.controller.common;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.concurrent.TimeUnit;
+import javax.servlet.http.HttpServletResponse;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+import com.ruoyi.common.constant.Constants;
+import com.ruoyi.common.core.domain.AjaxResult;
+import com.ruoyi.common.core.redis.RedisCache;
+import com.ruoyi.common.utils.VerifyCodeUtils;
+import com.ruoyi.common.utils.sign.Base64;
+import com.ruoyi.common.utils.uuid.IdUtils;
+
+/**
+ * 验证码操作处理
+ * 
+ * @author ruoyi
+ */
+@RestController
+public class CaptchaController
+{
+    @Autowired
+    private RedisCache redisCache;
+
+    /**
+     * 生成验证码
+     */
+    @GetMapping("/captchaImage")
+    public AjaxResult getCode(HttpServletResponse response) throws IOException
+    {
+        // 生成随机字串
+        String verifyCode = VerifyCodeUtils.generateVerifyCode(4);
+        // 唯一标识
+        String uuid = IdUtils.simpleUUID();
+        String verifyKey = Constants.CAPTCHA_CODE_KEY + uuid;
+
+        redisCache.setCacheObject(verifyKey, verifyCode, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
+        // 生成图片
+        int w = 111, h = 36;
+        ByteArrayOutputStream stream = new ByteArrayOutputStream();
+        VerifyCodeUtils.outputImage(w, h, stream, verifyCode);
+        try
+        {
+            AjaxResult ajax = AjaxResult.success();
+            ajax.put("uuid", uuid);
+            ajax.put("img", Base64.encode(stream.toByteArray()));
+            return ajax;
+        }
+        catch (Exception e)
+        {
+            e.printStackTrace();
+            return AjaxResult.error(e.getMessage());
+        }
+        finally
+        {
+            stream.close();
+        }
+    }
+}

ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CommonController.java

@@ -0,0 +1,109 @@
+package com.ruoyi.web.controller.common;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+import com.ruoyi.common.config.RuoYiConfig;
+import com.ruoyi.common.constant.Constants;
+import com.ruoyi.common.core.domain.AjaxResult;
+import com.ruoyi.common.utils.StringUtils;
+import com.ruoyi.common.utils.file.FileUploadUtils;
+import com.ruoyi.common.utils.file.FileUtils;
+import com.ruoyi.framework.config.ServerConfig;
+
+/**
+ * 通用请求处理
+ * 
+ * @author ruoyi
+ */
+@RestController
+public class CommonController
+{
+    private static final Logger log = LoggerFactory.getLogger(CommonController.class);
+
+    @Autowired
+    private ServerConfig serverConfig;
+
+    /**
+     * 通用下载请求
+     * 
+     * @param fileName 文件名称
+     * @param delete 是否删除
+     */
+    @GetMapping("common/download")
+    public void fileDownload(String fileName, Boolean delete, HttpServletResponse response, HttpServletRequest request)
+    {
+        try
+        {
+            if (!FileUtils.isValidFilename(fileName))
+            {
+                throw new Exception(StringUtils.format("文件名称({})非法，不允许下载。 ", fileName));
+            }
+            String realFileName = System.currentTimeMillis() + fileName.substring(fileName.indexOf("_") + 1);
+            String filePath = RuoYiConfig.getDownloadPath() + fileName;
+
+            response.setCharacterEncoding("utf-8");
+            response.setContentType("multipart/form-data");
+            response.setHeader("Content-Disposition",
+                    "attachment;fileName=" + FileUtils.setFileDownloadHeader(request, realFileName));
+            FileUtils.writeBytes(filePath, response.getOutputStream());
+            if (delete)
+            {
+                FileUtils.deleteFile(filePath);
+            }
+        }
+        catch (Exception e)
+        {
+            log.error("下载文件失败", e);
+        }
+    }
+
+    /**
+     * 通用上传请求
+     */
+    @PostMapping("/common/upload")
+    public AjaxResult uploadFile(MultipartFile file) throws Exception
+    {
+        try
+        {
+            // 上传文件路径
+            String filePath = RuoYiConfig.getUploadPath();
+            // 上传并返回新文件名称
+            String fileName = FileUploadUtils.upload(filePath, file);
+            String url = serverConfig.getUrl() + fileName;
+            AjaxResult ajax = AjaxResult.success();
+            ajax.put("fileName", fileName);
+            ajax.put("url", url);
+            return ajax;
+        }
+        catch (Exception e)
+        {
+            return AjaxResult.error(e.getMessage());
+        }
+    }
+
+    /**
+     * 本地资源通用下载
+     */
+    @GetMapping("/common/download/resource")
+    public void resourceDownload(String name, HttpServletRequest request, HttpServletResponse response) throws Exception
+    {
+        // 本地资源路径
+        String localPath = RuoYiConfig.getProfile();
+        // 数据库资源地址
+        String downloadPath = localPath + StringUtils.substringAfter(name, Constants.RESOURCE_PREFIX);
+        // 下载名称
+        String downloadName = StringUtils.substringAfterLast(downloadPath, "/");
+        response.setCharacterEncoding("utf-8");
+        response.setContentType("multipart/form-data");
+        response.setHeader("Content-Disposition",
+                "attachment;fileName=" + FileUtils.setFileDownloadHeader(request, downloadName));
+        FileUtils.writeBytes(downloadPath, response.getOutputStream());
+    }
+}