看视频写俄罗斯方块，JAVA切图程序运行不了 - 黑马程序员技术交流社区

//FrameGame.java文件
package ui;
import java.awt.Dimension;
import java.awt.Toolkit;
import javax.swing.JFrame;
public class FrameGame extends JFrame{
private static final long serialVersionUID = -6194695820531427582L;
public FrameGame(){
//设置标题
this.setTitle("JAVA俄罗斯方块 By Pinger");
//设置默认关闭属性（关闭程序）
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//设置窗口大小
this.setSize(1200,700);
//不允许用户改变窗口大小
this.setResizable(false);
//居中
Toolkit toolkit = Toolkit.getDefaultToolkit();
Dimension screen = toolkit.getScreenSize();
int x = (screen.width - this.getWidth()) / 2;
int y = (screen.height - this.getHeight()) / 2 - 32;
this.setLocation(x,y);
//设置默认Panel
this.setContentPane(new PanelGame());
}
}
//PanelGame.java文件
package ui;
import java.awt.Graphics;
import javax.swing.JPanel;
public class PanelGame extends JPanel{
/**
*
*/
private static final long serialVersionUID = 1L;
private Lay[] lays = null;
public PanelGame(){
lays = new Lay[]{
new LayDataBase(40,32,334,279),
new LayDisk(40,343,334,279),
new LayGame(414,32,334,590),
new LayButton(788,32,334,124),
new LayNext(788,188,176,148),
new LayLevel(964,188,158,148),
new LayPoint(788,368,334,200),
};
}
@Override
public void paintComponent(Graphics g){
//循环游戏层窗口
for(int i = 0;i<lays.length;i++){
//刷新层窗口
lays[i].paint(g);
}
}
}
//Lay.java文件
package ui;
import java.awt.Graphics;
import java.awt.Image;
import javax.swing.ImageIcon;
/**
* 绘制窗口
* @author Pinger
*
*/
abstract class Lay{
private static final int SIZE = 7;
private static Image WINDOW_IMG = new ImageIcon("graphics/game/0.jpg").getImage();
private static int WINDOW_W = WINDOW_IMG.getWidth(null);
private static int WINDOW_H = WINDOW_IMG.getHeight(null);
/**
* 窗口左上角x坐标
*/
protected int x;
/**
* 窗口左上角y坐标
*/
protected int y;
/**
*窗口宽度
*/
protected int w;
/**
* 窗口高度
*/
protected int h;
protected Lay(int x,int y,int w,int h){
this.x = x;
this.y = y;
this.w = w;
this.h = h;
}
protected void creatWindow(Graphics g){
//左上
g.drawImage(WINDOW_IMG, x, y, x + SIZE, y + SIZE, 0, 0, SIZE, SIZE, null);
//中上
g.drawImage(WINDOW_IMG, x + SIZE, y, x + w - SIZE, y + SIZE, SIZE, 0, WINDOW_W - SIZE, SIZE, null);
//右上
g.drawImage(WINDOW_IMG, x + w - SIZE, y, x + w, y + SIZE, WINDOW_W - SIZE, 0, WINDOW_W, SIZE, null);
//左中
g.drawImage(WINDOW_IMG, x, y + SIZE, x + SIZE, y + h - SIZE, 0, SIZE, SIZE, WINDOW_H - SIZE, null);
//中
g.drawImage(WINDOW_IMG, x + SIZE, y + SIZE, x + w - SIZE, y + h - SIZE, SIZE, SIZE, WINDOW_W - SIZE, WINDOW_H - SIZE, null);
//右中
g.drawImage(WINDOW_IMG, x + w - SIZE, y + SIZE, x + w, y + h - SIZE, WINDOW_W - SIZE, SIZE, WINDOW_W, WINDOW_H - SIZE, null);
//左下
g.drawImage(WINDOW_IMG, x, y + h - SIZE, x + SIZE, y + h, 0, WINDOW_H - SIZE, SIZE, WINDOW_H, null);
//中下
g.drawImage(WINDOW_IMG, x + SIZE, y + h - SIZE, x + w - SIZE, y + h, SIZE, WINDOW_H - SIZE, WINDOW_W - SIZE, WINDOW_H, null);
//右下
g.drawImage(WINDOW_IMG, x + w - SIZE , y + h - SIZE, x + w, y + h, WINDOW_W - SIZE, WINDOW_H - SIZE, WINDOW_W, WINDOW_H, null);
}
abstract public void paint(Graphics g);
}
//Main.java文件
package main;
import ui.FrameGame;
public class Main {
public static void main(String[] args){
new FrameGame() .setVisible(true);
}
}

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