File class--renameto () moves all specified types of files within a folder to another folder

* Due to the Zhang Xiaoxiang -7k monthly salary of one of the cracks _ Traffic light Management System Video Tutorials folder video files are stored in each sub-folder

* Requirements: All video files are moved to Zhang Xiaoxiang -7k monthly salary of one of the test cracked _ Traffic light Management System Video Tutorial folder deleted subfolders of the original video

Public class movefiles {public static void main (String[] args)  {//  todo auto-generated method stubfile f = new file ("D:\\ Baiduyundownload\\ Zhang Xiaoxiang -7k One of the monthly salary test, traffic light Management system Video Tutorial ");//file f = new file (" d:\\baiduyundownload\ \ Preach Wisdom Podcast _ Zhang Xiaoxiang _java Multi-threading and concurrent Library advanced application video tutorial Download ");if  (F.exists ()) MoveFiles2 (F, f.getpath ()); System.out.println ("Done");} Public static void movefiles (File f, string path)  {File[] files =  f.listfiles (); string addname =  "";//  first determine if the name of the   folder contains "_ Traffic", and then in   get the corner mark   Otherwise indexof will return-1 appears substring (-1) with Exception if  (F.getname (). Contains ("_ Traffic"))  {int index =  F.getname (). IndexOf ("_ Traffic");//int index = f.getname (). IndexOf ("Xiang _") +1;addname =  F.getname (). substring (index);} for  (file file : files)  {if  (File.isdirectory ()) moveFiles (File, path); else  {if&nBSP; (File.getname (). EndsWith (". avi"))  {file dest = new file (Path, file.getname () . replace (".",addname +  ".")); File.renameto (dest); System.out.println (Dest.getname ());}  elsefile.delete ();//  Delete redundant files}file.delete ();//  Delete empty folders}}//  If you need to keep   folders that do not contain "_ Traffic"   The code is as follows Public static void movefiles2 (File f, string path)  {File[] files  = f.listfiles (); Int index = f.getname (). IndexOf ("_ Traffic"); String addname = f.getname (). substring (index);for  (file file : files)   {System.out.println (File.getname ());if  (File.isdirectory ()) if  (File.getname (). Contains ("_ Traffic"))//   In this case, it is guaranteed that//  each F object except the outermost file contains "_ Traffic" MoveFiles (File, path);else {if  (File.getname (). EndsWith (". avi"))  {file dest = new file (Path, file.getname (). Replace (".", AddName  +  ".")); File.renameto (dest);// system.out.printlN ("Generate:" +dest.getname ());}  else {system.out.println (File.delete ()  +  ". The deleted file is. " + file.getname ());//  Delete redundant files}}//  Delete empty folders    returns True if and only if files or directories are deleted successfully Otherwise, return FalseSystem.out.println (File.delete ()  +  ", delete the folder is:"  + file.getname ());}}

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