文件改名

 Java代码

1.  
2. import java.io.File;
3. import java.net.URI;
4. import java.net.URISyntaxException;
5. import java.net.URL;
6.  
7.  
8. public class RollDateFile {
9.  
10. public static void rename(File f,String old_v,String new_v ){
11. if(f.isDirectory()){
12. for(File file :f.listFiles()){
13. rename(file,old_v,new_v );
14.  
15. }
16. }else{
17. String path = f.getParent();
18. String newFile = (f.getName()+"").replaceAll(old_v,new_v);
19. String newF = path+File.separator+newFile;
20. System.out.println(newF);
21. f.renameTo(new File(newF));
22. }
23. }
24.  
25. /**
26. * @param args
27. * @throws Exception
28. */
29. public static void main(String[] args) throws Exception {
30. // TODO Auto-generated method stub
31. String path ="E:\\a\\";
32. String old_value ="20120828";
33. String new_value ="20130124";
34. File folder = new File(path);
35. rename(folder,old_value,new_value);
36. }
37.  
38. }