图片拷贝

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.IOException;

public class demo6 {

    /**

     * 把一张图片拷贝到指定的位置

     * 

     */

    public static void main(String[] args) throws IOException {

        //拿到图片的路径

        File file = new File("C:\\Users\\PC-LUO\\Desktop\\新建文件夹\\98.jpg");

        //创建拷贝后的路径

        File file2 = new File("C:\\Users\\PC-LUO\\Desktop\\4.jpg");

        image(file, file2);

    }

    //拷贝操作

    public static void image(File file , File file2) throws IOException{

        //输入流

        FileInputStream inputStream = new FileInputStream(file);

        //输出流

        FileOutputStream outputStream = new FileOutputStream(file2);

        //创建缓冲区，大小为1K

        byte[] b = new byte[1024];

        //循环遍历文件内容，没有就返回-1

        while (inputStream.read(b) != -1) {

            //把得到的数据写入到指定位置

            outputStream.write(b);  

        }

        //关闭资源

        outputStream.close();

        inputStream.close();

    }

}