From bcee37b84bde39072e6e35e642b0911a94f52eef Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期一, 11 十一月 2019 08:59:15 +0800
Subject: [PATCH] 若依 1.1

---
 ruoyi/src/main/java/com/ruoyi/project/common/CommonController.java |   43 +++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 43 insertions(+), 0 deletions(-)

diff --git a/ruoyi/src/main/java/com/ruoyi/project/common/CommonController.java b/ruoyi/src/main/java/com/ruoyi/project/common/CommonController.java
index 3362e00..3bb81d0 100644
--- a/ruoyi/src/main/java/com/ruoyi/project/common/CommonController.java
+++ b/ruoyi/src/main/java/com/ruoyi/project/common/CommonController.java
@@ -1,10 +1,17 @@
 package com.ruoyi.project.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.utils.StringUtils;
 import com.ruoyi.common.utils.file.FileUploadUtils;
+import com.ruoyi.common.utils.file.FileUtils;
 import com.ruoyi.framework.config.RuoYiConfig;
 import com.ruoyi.framework.config.ServerConfig;
 import com.ruoyi.framework.web.domain.AjaxResult;
@@ -17,10 +24,46 @@
 @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")

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