拦截器优化

chenjiahe

2023-07-14 7a86d3b83f9154221f8bba17b159d56129d03264

 src/main/java/com/hx/util/DownFileUtil.java

@@ -187,4 +187,39 @@
      }
   }

   /**
    * 下载文件工具（提示选择路径）
    *
    * @param downfile
    *            导出的文件
    * @param fileName
    *            导出的文件名称
    */
   public static void DownFileTips( HttpServletResponse response, File downfile, String fileName) {
      try {
         if(StringUtils.isEmpty(fileName)){
            fileName = downfile.getName();
         }
         String filename =  "";
         filename = URLEncoder.encode(fileName,"UTF8");//其他浏览器
         InputStream fis = new BufferedInputStream(new FileInputStream(
               downfile));
         byte[] buffer = new byte[fis.available()];
         fis.read(buffer);
         fis.close();

         response.addHeader("Content-Disposition", "attachment;filename="+ filename);
         OutputStream toClient= new BufferedOutputStream(response.getOutputStream());
         response.setContentType("application/vnd.ms-excel;charset=utf-8");

         toClient.write(buffer);
         toClient.flush();
         toClient.close();
      } catch (FileNotFoundException e) {
         e.printStackTrace();
      } catch (IOException e) {
         e.printStackTrace();
      }
   }

}