文件删除 

 1 @RequestMapping("fileDelete") 3     public void fileDelete(HttpServletRequest request, HttpServletResponse response) throws IOException {
 4         String filepath = URLDecoder.decode(RequestUtil.getString(request, "selcurFile"));
 5         String configPath1 = ContextLoader.getCurrentWebApplicationContext().getServletContext().getRealPath("/");
 6         String filePath = configPath1 + filepath;
 7         try {
 8             // 判断文件是否存在，创建文件
 9             File file = new File(filePath);
10             if (!file.exists()) {
11                 StringBuilder gridJson = new StringBuilder();
12                 gridJson.append("{\"result\":");
13                 gridJson.append("2");
14                 gridJson.append(",\"message\":");
15                 gridJson.append("\"文件不存在！\"");
20                 gridJson.append("}");
21                 PrintWriter out = response.getWriter();
22                 out.print(gridJson.toString());
23             } else {
24                 FileUtil.deleteFile(filePath);
25                 StringBuilder gridJson = new StringBuilder();
26                 gridJson.append("{\"result\":");
27                 gridJson.append("1");
28                 gridJson.append(",\"message\":");
29                 gridJson.append("\"文件删除成功！\"");
34                 gridJson.append("}");
35                 PrintWriter out = response.getWriter();
36                 out.print(gridJson.toString());
37             }
38         } catch (Exception e) {
39             StringBuilder gridJson = new StringBuilder();
40             gridJson.append("{\"result\":");
41             gridJson.append("0");
42             gridJson.append(",\"message\":");
43             gridJson.append("\"文件删除失败！\"");
44             gridJson.append("}");
45             PrintWriter out = response.getWriter();
46             out.print(gridJson.toString());
47             return;
48         }
49     }

 

posted @ 2021-09-09 13:51  晓*雨  阅读(33)  评论(0)    收藏  举报