字节流复制图片

package com.czie.iot1913.lps.IO.InPutStream;

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

/**
 * FileName: CopyJpgDemo
 * Author:   lps
 * Date:     2022/3/24 19:03
 * Sign:刘品水 Q：1944900433
 */
public class CopyJpgDemo {
    public static void main(String[] args) throws Exception {
        FileInputStream fis = new FileInputStream("E:\\itcast\\hh.jpg");

        FileOutputStream fos = new FileOutputStream("F:\\JavaCode\\hh.jpg");

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

    }
}