遍历删除指定目录下的指定文件--方便用的时候直接copy

本文连接：https://www.cnblogs.com/muphy/p/15620563.html

 

使用方式

javac DeleteFile.java -encoding utf-8
java DeleteFile "D:\\BaiduNetdiskDownload\\录播视频及资料" "录播视频"

 

DeleteFile.java

//package me.muphy;

import java.io.File;

/**
 * 遍历删除指定文件
 *
 * @className: DeleteFile
 * @author: 若非
 * @date: 2021-11-29 16:57
 */
public class DeleteFile {
    public static void main(String[] args) {
        String pathname = "D:\\BaiduNetdiskDownload\\录播视频及资料";
        String fileName = "录播视频";
        if (args.length > 1) {
            pathname = args[0];
            fileName = args[1];
        }
        System.out.println("开始删除文件！");
        deleteFile(pathname, fileName);
        System.out.println("删除文件完成！");
    }

    private static void deleteFile(String pathname, String name) {
        File file = new File(pathname);
        if (file == null) {
            System.out.println("指定路径不存在！");
            return;
        }
        if (!file.isDirectory()) {
            System.out.println("指定路径不是文件夹路径！");
            return;
        }
        if (name == null || name.trim().isEmpty()) {
            System.out.println("删除文件名不能为空！");
            return;
        }
        for (File listFile : file.listFiles()) {
            if (listFile.getName().equals(name)) {
                deleteFile(listFile);
                continue;
            }
            if (listFile.isDirectory()) {
                deleteFile(listFile.getAbsolutePath(), name);
            }
        }
    }

    private static void deleteFile(File file) {
        if (file == null) {
            return;
        }
        String path = file.getAbsolutePath();
        if (file.isFile()) {
            boolean delete = false;
            try {
                delete = file.delete();
            } catch (Exception e) {
                e.printStackTrace();
            }
            if (delete) {
                System.out.println("已删除文件：" + path);
            } else {
                System.out.println("删除文件失败：" + path);
            }
            return;
        }
        if (file.isDirectory()) {
            for (File listFile : file.listFiles()) {
                deleteFile(listFile);
            }
            boolean delete = file.delete();
            if (delete) {
                System.out.println("已删除目录：" + path);
            } else {
                System.out.println("删除目录失败：" + path);
            }
        }
    }
}