Java复制多级文件夹

package com.czie.iot1913.lps.IO.BufferStream.Better;

import java.io.*;

/**
 * FileName: CopyFolderDemo
 * Author:   lps
 * Date:     2022/3/27 13:55
 * Sign:刘品水 Q：1944900433
 */
public class CopyFolderDemo {
    public static void main(String[] args) throws IOException{
        //创建数据源对象file对象 选择路径
        File srcFile = new File("E:\\itcast");
        //创建目的地对象file对象 选择路径
        File destFile = new File("F:\\");
        //调用方法
        copyFolder(srcFile,destFile);

    }
    //复制文件夹
    private static void copyFolder(File srcFile,File destFile) throws IOException {
        //判断是否是目录
        if(srcFile.isDirectory()){
            //在目的地创建和数据源file一样的目录
            String srcFileName = srcFile.getName();
            File newfolder = new File(destFile,srcFileName);
            //复制
            if (!newfolder.exists()){
                newfolder.mkdir();
            }
            //获取数据源file下所有文件或者目录的file数组
            File[] fileArray = srcFile.listFiles();
            for (File file:fileArray){
                copyFolder(file,newfolder);
            }
        }else {
            File newfile=new File(destFile,srcFile.getName());
            copyFile(srcFile, newfile);
        }
    }

    private static void copyFile(File srcFile,File destFile)throws IOException {
        BufferedInputStream bis = new BufferedInputStream(new FileInputStream(srcFile));
        BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(destFile));

        byte[] bys = new byte[1024];
        int len;
        while ((len= bis.read(bys))!=-1){
            bos.write(bys,0,len);
        }
        bis.close();
        bos.close();
    }


}