优化下载zip

ruoyi-admin/src/main/java/com/ruoyi/web/controller/wisdomarbitrate/CaseApplicationController.java

@@ -345,13 +345,39 @@ public class CaseApplicationController extends BaseController {
     /**
      * 下载案件压缩包
      */
-    @PostMapping("/downloadCaseZipFile")
+    @PostMapping("/downloadCaseZipFile1")
-    public AjaxResult downloadCaseZipFile(@Validated @RequestBody CaseApplication caseApplication) {
+    public AjaxResult downloadCaseZipFile1(@Validated @RequestBody CaseApplication caseApplication) {
 
         CaseAttach caseAttach = caseApplicationService.downloadCaseZipFile(caseApplication);
         return success(caseAttach);
     }
 
+    /**
+     * 下载案件压缩包
+     */
+    @PostMapping("/downloadCaseZipFile")
+    public void downloadCaseZipFile(@Validated @RequestBody CaseApplication caseApplication,HttpServletResponse response) {
+
+        CaseAttach caseAttach = caseApplicationService.downloadCaseZipFile(caseApplication);
+        String annexPath = caseAttach.getAnnexPath();
+        String annexName = caseAttach.getAnnexName();
+        String urlstr = "http://121.40.189.20:8000/API"  + annexPath;
+        try {
+            InputStream fileInputStream = new URL(urlstr).openStream();
+            response.setHeader("content-type", "application/octet-stream");
+            response.setContentType("application/octet-stream");
+            response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(annexName,"UTF-8"));
+            byte[] buffer = new byte[1024];
+            int length;
+            while ((length = fileInputStream.read(buffer)) > 0) {
+                response.getOutputStream().write(buffer, 0, length);
+            }
+
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
 
     /**
      * 发送房间号短信