IO流复制文件夹

package com.hwua.IOTest;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

/*
 * 需求：复制多级文件夹
 * */
public class CopyFloderDemo2 {

	public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub
		File srcFile = new File("E:\\javaTest");
		File destFile = new File("D:\\");
		copyFolder(srcFile, destFile);
		
	}
	//复制文件夹（创建目录）
	private static void copyFolder(File srcFile,File destFile ) throws IOException{
		if(srcFile.isDirectory()){
			//创建该目录
			File newFolder = new File(destFile, srcFile.getName());//目标文件  D:/javaTest   a
			newFolder.mkdirs();//D:/javaTest D:/javaTest/a   
			File[] listFiles = srcFile.listFiles();//得到目标源列表
			for (File file : listFiles) {
				if(file.isDirectory()){
					//递归用法
					copyFolder(file, newFolder);//源文件：E:\javaTest\a 目标文件  D:/javaTest
				}else{
					//创建文件
					File newFile = new File(newFolder,file.getName());
					//调用复制文件的方法
					System.out.println(newFile.toString());
					copyFile(file, newFile);
				}
			}
		}else{
			copyFile(srcFile, destFile);
		}
		
	}
	
	
	//复制文件（创建文件 写数据）
	public static void copyFile(File srcFile,File newFile) throws IOException{
		BufferedInputStream bis = new BufferedInputStream(new FileInputStream(srcFile));
		BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(newFile));
		
		byte[] bs = new byte[1024];
		int len = 0;
		while((len=bis.read(bs))!=-1){
			bos.write(bs,0,len);
		}
		bis.close();
		bos.close();
	}
}