java 读取指定文件夹下所有某格式文件(.csv为例)

 1 package Ass3;  
 2 
 3 import java.io.*;
 4 
 5 public class Ass3 {
 6 
 7     //find csv from folder
 8     public void walk( String path ) {
 9 
10         File root = new File( path );
11         File[] list = root.listFiles();
12 
13         if (list == null) return;
14 
15         for ( File f : list ) {
16             if ( f.isDirectory() ) {
17                 walk( f.getAbsolutePath() );
18                 System.out.println( "Dir:" + f.getAbsoluteFile() );
19             }
20             else {
21                 System.out.println( "File:" + f.getAbsoluteFile() );
22             }
23         }
24     }
25 
26     public static void main(String[] args) {
27         Ass3 fw = new Ass3();
28         fw.walk("C:\\Users\\whisp\\eclipse-workspace\\Ass3\\Data" );
29     }
30 }
31  

 

posted @ 2018-03-20 05:31  whisper_yyf  阅读(1760)  评论(0编辑  收藏  举报