递归删除目录和文件

1. import java.io.*;   
2.   
3. public class DelDir {   
4.   
5.     public static void main(String[] args) {           
6.         String rootDir = "D:\\work\\project\\ACProductDemo";   
7.         String delDirName = ".svn";   
8.         DelDir del = new DelDir();   
9.         del.FindDirectory(rootDir,delDirName);   
10.     }   
11.     /**//*  
12.      *   
13.      */  
14.     private void FindDirectory(String root,String delName){   
15.         //root是根目录的绝对路径   
16.         File directory = new File(root);   
17.         File[] files = directory.listFiles();   
18.         //根目录为空   
19.         if(files.length ==0){   
20.             System.out.println(root+"根目录为空！");   
21.             return;   
22.         }   
23.         else{   
24.             for(int i=0;i<files.length;i++){   
25.                 if(files[i].isDirectory()){   
26.                     //根目录的子文件夹就是要删除的文件夹   
27.                     if(files[i].getName().equals(delName)){   
28.                         System.out.println(files[i].getAbsolutePath());   
29.                         DelDirectory(files[i]);   
30.                     }   
31.                     //根目录的子文件夹不是要删除的文件夹   
32.                     else{   
33.                         FindDirectory(files[i].getAbsolutePath(),delName);   
34.                     }   
35.                 }                   
36.             }   
37.         }   
38.     }   
39.        
40.     private void DelDirectory(File directory){   
41.         File[] children = directory.listFiles();   
42.         if(children.length==0){   
43.             directory.delete();   
44.             System.out.println("\t删除目录"+directory.getName());   
45.         }   
46.         else{   
47.             for(int i=0;i<children.length;i++){   
48.                 if(children[i].isFile()){   
49.                     children[i].delete();   
50.                     System.out.println("\t删除文件"+children[i].getName());   
51.                 }   
52.                 else if(children[i].isDirectory()){   
53.                     DelDirectory(children[i]);   
54.                     System.out.println("\t"+children[i].getAbsolutePath());   
55.                 }   
56.             }   
57.             directory.delete();   
58.             System.out.println("\t删除目录"+directory.getName());   
59.         }   
60.     }   
61. }   
62.