package com.yundait.Demo03;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;

/**
 * 使用文件字节流实现文件的复制
 * @author zhang
 */
public class FileInputStreamDemo03 {
    public static void main(String[] args) throws Exception {

        //1创建文件输入流对象

        FileInputStream fis = new FileInputStream("C:\\Users\\Administrator\\Pictures\\Saved Pictures\\001.png");

        //2创建文件输出流对象

        FileOutputStream fos = new FileOutputStream("C:\\Users\\Administrator\\Pictures\\Saved Pictures\\003.png");

        //3一遍读取文件一遍写入文件
        byte[] bytes = new byte[1024];
        int count;
        while ((count = fis.read(bytes))!=-1){
            fos.write(bytes,0,count);
        }

        //4关闭流通道
        fis.close();
        fos.close();
        System.out.println("复制完毕");
    }
}

视频链接：16.08 字节流复制文件_哔哩哔哩_bilibilihttps://www.bilibili.com/video/BV1Tz4y1X7H7?spm_id_from=333.788.videopod.episodes&vd_source=b5775c3a4ea16a5306db9c7c1c1486b5&p=8