import javax.imageio.ImageIO;

import java.awt.*;

import java.awt.image.BufferedImage;

import java.io.File;

import java.io.IOException;

/**

 * @ClassName ImageIOTest

 * @projectName: object1

 * @author: Zhangmingda

 * @description： XXX

 * date: 2021/5/8.

 */

public class ImageIOTest {

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

        //读取图像

        Image src = ImageIO.read(new File("C:\\Users\\ZHANGMINGDA\\Desktop\\日报\\订单详情.png"));

        //设置目的图像宽高

        int dstWidth = 500;

        int dstHeight = 200;

        //创建目的图像

        BufferedImage distImage = new BufferedImage(dstWidth, dstHeight, BufferedImage.TYPE_INT_RGB);

        //目标图像画笔画图，把原图像画出来

        Graphics2D graphics2D = (Graphics2D) distImage.getGraphics();

        graphics2D.drawImage(src,0, 0, dstWidth, dstHeight, null);

        //添加文字水印

        graphics2D.setColor(Color.red);

        graphics2D.drawString("V哥教育", 30, 30);

        //保存到文件

        ImageIO.write(distImage,"png", new File("C:\\Users\\ZHANGMINGDA\\Desktop\\日报\\订单详情-smal.png"));

    }

}