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文件夹2. 文件夹创建、删除的操作

servlet层

 1 protected void doPost(HttpServletRequest req, HttpServletResponse resp)
 2             throws ServletException, IOException {
 3         req.setCharacterEncoding("utf-8");
 4         resp.setCharacterEncoding("utf-8");
 5         resp.setContentType("text/html;charset=utf-8");
 6         PrintWriter out=resp.getWriter();
 7         JSONObject data=getJsonObject(req);
 8         String filesPath=data.getString("filesPath");
 9         boolean res=false;
10         if(filesPath!=null) {
11             File file=new File(filesPath);
12 //            res=createFolder(filesPath);
13             res=deleteFolder(filesPath);
14         }
15     
16     }
17     
18     private boolean deleteFolder(String filesPath) {
19         boolean res=false;
20         File file=new File(filesPath);
21         if(file.exists() && file.isDirectory()) {
22             res=file.delete();
23         }
24         return res;
25     }
26 
27     private boolean createFolder(String filesPath) {
28         boolean res=false;
29         File file=new File(filesPath);
30         res=file.mkdir();
31         return res;
32     }
33 
34         private JSONObject getJsonObject(HttpServletRequest req) {
35         StringBuffer json=new StringBuffer();
36         String lineString=null;
37         BufferedReader reader;
38         JSONObject data=null;
39         try {
40             reader = req.getReader();
41             while((lineString=reader.readLine())!=null) {
42                 json.append(lineString);
43             }
44              data=JSONObject.fromObject(json.toString());
45         } catch (IOException e) {
46             e.printStackTrace();
47         }
48         return data;
49     }

 

posted on 2017-12-17 10:48  hyy9512  阅读(829)  评论(0)  编辑  收藏  举报