java 遍历目录

package com.recursion;

import java.io.File;

public class RecursionFile {

public static void main(String[] args) {

File file  = new File("G:/A");

tree(file, 0);

}

private static void tree(File file, int level) {

StringBuffer stringBuffer = new StringBuffer("");

for (int i = 0; i< level; i++) {

stringBuffer.append("-");

}

File[] childs = file.listFiles();

for (int i = 0; i<childs.length; i++) {

System.out.println(stringBuffer+childs[i].getName());

if (childs[i].isDirectory()) {

tree(childs[i], level+1);

}

}

}

}

java 遍历目录