78.游戏项目-加载窗口-加载图片

package test;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.net.URL;
import javax.imageio.ImageIO;
/**
 * 游戏开发中常用的工具类
 * @author Nicholas
 */
public class GameUtil {
    public static Image getImage(String path){
        URL u=GameUtil.class.getClassLoader().getResource(path);
        BufferedImage imag=null;
        try {
            imag=ImageIO.read(u);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return imag;
    }
}

package test;
import java.awt.Color;
import java.awt.Font;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
/**
 * 游戏窗口类
 * @author Nicholas
 * 窗口以左上角为坐标
 */
public class GamePicture extends Frame {//GUI编程AWT，SWING
    Image img = GameUtil.getImage("picture/test.jpeg");//加载图片
    //加载窗口
    public void launchFrame(){
        setSize(800,600);//设置大小
        setLocation(100,100);//设置初始位置
        setVisible(true);//设置图形可见
        addWindowListener(new WindowAdapter(){//实现窗口关闭
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });
    }
    public void paint(Graphics g) {
        g.drawImage(img, 50, 100, null);//设置显示图片
    }
    public static void main(String[] args) {
        GamePicture gp=new GamePicture();
        gp.launchFrame();
    }
    
}