package cn.itcast_05;

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

/*
 * 复制文件夹：
 * 
 * 数据源：e:\\demo
 *  目的：e：\\test
 * 
 */

public class CopyFolderDemo {
	public static void main(String[] args) throws IOException {
		//源文件夹
		File srcFolder = new File("f:\\demo");
		//目的文件夹
		File destFolder = new File("f:\\test");
		if(!destFolder.exists()){
			destFolder.mkdirs();
		}
		
		File[] fileArray = srcFolder.listFiles();
		
		for(File file:fileArray){
			//拼接新的文件名和路径
			File newFile = new File(destFolder,file.getName());
			System.out.println(newFile);
			
			//调用方法进行复制
			CopyFile(file,newFile);
			
			
			
		}	
		
	}

	private static void CopyFile(File file, File newFile) throws IOException {
		//创建源对象
		BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));
		//创建目的对象
		BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(newFile));
		
		//读写数据
		byte [] bt = new byte[1024];
		int len= 0 ;
		while((len=bis.read(bt))!=-1){
			bos.write(bt, 0, len);
		}
		
		//释放资源
		bis.close();
		bos.close();
		
		
	}

}