java.IO.File class iteration Delete Files

 

what is about the File class operation , mainly delete files as an example :

 

  

package com.IODemo; 
 
import java.io.File; 
 
public class DeleteFile { 
 
    /** 
     * 删除文件或空文件夹 
     * @param file 
     * @return 
     * @throws Exception 
     */ 
    public static boolean deleteFile(String path)throws Exception{ 
        File file = new File(path); 
        boolean flag = false; 
        if(file.isFile()){ 
            flag = file.delete(); 
        } 
        if(file.isDirectory()){ 
            if(file.listFiles().length <= 0){ 
                flag = file.delete(); 
            } 
        } 
        return flag; 
    } 
     
    /** 
     * 删除文件夹下的所有文件 
     * @param path 
     * @throws Exception 
     */ 
    public static void deleteDir(String path)throws Exception{ 
        File file = new File(path); 
        File[] files = null; 
        if(file.isFile()){ 
            file.delete(); 
        }else{ 
            files = file.listFiles(); 
            for (int i = 0; i < files.length; i++) { 
                //System.out.println(files[i].getPath()); 
                deleteDir(files[i].getPath()); 
                files[i].delete(); 
            } 
            file.delete(); 
        } 
    } 
     
    public static void main(String[] args)throws Exception{ 
        //System.out.println(deleteFile(new File("d:1.txt"))); 
        //System.out.println(new File("d:/demo").getName()); 
        deleteDir("d:/html"); 
    } 
}