递归删除目录。

/**
 from
* nowjava - 时  代  Java 
**/

/*

 * Licensed to the Apache Software Foundation (ASF) under one or more

 * contributor license agreements.  See the NOTICE file distributed with

 * this work for additional information regarding copyright ownership.

 * The ASF licenses this file to You under the Apache License, Version 2.0

 * (the "License"); you may not use this file except in compliance with

 * the License.  You may obtain a copy of the License at

 * 

 *      http://www.apache.org/licenses/LICENSE-2.0

 * 

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

//package com.nowjava;


import java.io.File;


import java.io.IOException;


public class Main {

    public static void main(String[] argv) throws Exception {

        File directory = new File("Main.java");

        deleteDirectory(directory);

    }


    /**

     * Deletes a directory recursively. 

     *

     * @param directory  directory to delete

     * @throws IOException in case deletion is unsuccessful

     */

    public static void deleteDirectory(File directory) throws IOException {

        if (!directory.exists()) {

            return;

        }/* 来自 时代Java - now