1

ruoyi-powerdistribution/src/main/java/com/ruoyi/powerdistribution/controller/DailyReportController.java

@@ -184,24 +184,29 @@ public class DailyReportController extends BaseController {
             response.setHeader("Content-type",type);
             String filename = new String(descFile.getName().getBytes("utf-8"), "iso-8859-1");
             response.setHeader("Content-Disposition", "attachment;filename=" + filename);
-            //输出pdf流
+            response.setContentType("application/octet-stream");
+            response.reset();
             OutputStream outputStream1 = response.getOutputStream();
-            byte[] buff = new byte[1024];
             BufferedInputStream bis = null;
             bis = new BufferedInputStream(new FileInputStream(descFile));
-            int i = bis.read(buff);
-            while (i != -1) {
-                outputStream1.write(buff, 0, buff.length);
-                outputStream1.flush();
-                i = bis.read(buff);
-            }
+            byte[] buff = new byte[bis.available()];
+            bis.read(buff);
+            outputStream1.write(buff);
             outputStream1.close();
             bis.close();
         } catch (Exception e) {
             e.printStackTrace();
         }finally {
-            if(descFile!=null)
-                descFile.deleteOnExit();
+//            if(descFile!=null)
+//                descFile.deleteOnExit();
+        }
+        //下载之后删除
+        try {
+            if(descFile.exists()){
+                descFile.delete();
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
         }
   }
 }