java遍历所有目录和文件

package xian;

 

import java.io.File;

import java.util.ArrayList;

 

public class GetFile {

private static ArrayList<String> fileList = new ArrayList<String>();

   public static void main(String[] args) {

String filePath="E://小仙U盘";

getFiles(filePath);

}

    /**

     * 通过递归过得目录和文件

     */

   public static void getFiles(String filePath){

  File fileAll=new File(filePath);

  File[] files=fileAll.listFiles();

  for(File file:files){

  if(file.isDirectory()){//如果是目录

  //递归

  getFiles(file.getAbsolutePath());

  fileList.add(file.getAbsolutePath());

  System.out.println("显示"+filePath+"下所有子目录及其文件"+file.getAbsolutePath());

  }else{

  System.out.println("显示"+filePath+"下所有子目录"+file.getAbsolutePath());

  }

  }

   }

}

显示E:\小仙U盘\extjs\ExtJs包和Api\ext-4.0.7-gpl\resources\themes\p_w_picpaths\gray\btn下所有子目录E:\小仙U盘\extjs\ExtJs包和Api\ext-4.0.7-gpl\resources\themes\p_w_picpaths\gray\btn\btn-default-toolbar-small-focus-bg.gif

显示E:\小仙U盘\extjs\ExtJs包和Api\ext-4.0.7-gpl\resources\themes\p_w_picpaths\gray\btn下所有子目录E:\小仙U盘\extjs\ExtJs包和Api\ext-4.0.7-gpl\resources\themes\p_w_picpaths\gray\btn\btn-default-toolbar-small-focus-corners.gif

显示E:\小仙U盘\extjs\ExtJs包和Api\ext-4.0.7-gpl\resources\themes\p_w_picpaths\gray\btn下所有子目录E:\小仙U盘\extjs\ExtJs包和Api\ext-4.0.7-gpl\resources\themes\p_w_picpaths\gray\btn\btn-default-toolbar-small-focus-sides.gif

显示E:\小仙U盘\extjs\ExtJs包和Api\ext-4.0.7-gpl\resources\themes\p_w_picpaths\gray\btn下所有子目录E:\小仙U盘\extjs\ExtJs包和Api\ext-4.0.7-gpl\resources\themes\p_w_picpaths\gray\btn\btn-default-toolbar-small-over-bg.gif

显示E:\小仙U盘\extjs\ExtJs包和Api\ext-4.0.7-gpl\resources\themes\p_w_picpaths\gray\btn下所有子目录E:\小仙U盘\extjs\ExtJs包和Api\ext-4.0.7-gpl\resources\themes\p_w_picpaths\gray\btn\btn-default-toolbar-small-over-corners.gif