一、实验要求:、
- 筛子游戏是一个具有趣味性的小游戏,它的实现原理是绘制图形,加载图片,通过鼠标事件点击按钮,晃动色子采用的是定时器,每隔200毫秒切换一次色子的图片实现:
请用Java图形界面的知识,编写以上软件。
代码:
MyFrame主界面类和MyTask定时器类
package com.junlin.exer_8;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Timer;
import java.util.TimerTask;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
public class MyFrame extends JFrame {
public int score = 100; //记录得分
public int cnt = 1; //记录当前色子的点数
public JLabel imageLabel;
public String filepath = "D:/onedrive/桌面/Java学习/Java作业/实验/实验8色子游戏/色子素材/a";
//由于我没有新开一个点击处理类,就直接将整个窗口放到全局了
public MyFrame window = this;
public Timer timer; //定时器
public JLabel titleLabel; //文字
public boolean isStop = true; //判断当前摇色子是否处于停止状态
public MyFrame() {
super("xxx");
JPanel root = new JPanel();
root.setLayout(null);
titleLabel = new JLabel("当前分数为:" + score);
titleLabel.setBounds(150, 20, 100, 20);
root.add(titleLabel);
imageLabel = new JLabel();
imageLabel.setIcon(new ImageIcon(filepath + cnt + ".jpg"));
imageLabel.setBounds(150, 80, 120, 120);
root.add(imageLabel);
JButton playBtn = new JButton("摇色子");
playBtn.addActionListener(new ActionListener() {
//摇色子按键处理
@Override
public void actionPerformed(ActionEvent e) {
//如果上一次没有停止就不继续执行,因为这样会让定时加快
if(isStop == false) return ;
isStop = false;
timer = new Timer();
timer.schedule(new MyTask(window), 0, 200);
}
});
playBtn.setBounds(150, 200, 120, 50);
root.add(playBtn);
JButton bigBtn = new JButton("买大");
bigBtn.addActionListener(new ActionListener() {
//买大按键处理
@Override
public void actionPerformed(ActionEvent e) {
//如果摇色子停止了就不能再判断分数了
if(isStop == true) return ;
timer.cancel();
isStop = true;
if(cnt >= 4) {
score += 10;
}else {
score -= 10;
}
titleLabel.setText("当前分数 为" + score);
titleLabel.paintImmediately(titleLabel.getBounds());
}
});
bigBtn.setBounds(100, 300, 80, 50);
root.add(bigBtn);
JButton smallyBtn = new JButton("买小");
smallyBtn.addActionListener(new ActionListener() {
//买小按键处理
@Override
public void actionPerformed(ActionEvent e) {
//如果摇色子停止了就不能再判断分数了
if(isStop == true) return ;
timer.cancel();
isStop = true;
if(cnt < 4) {
score += 10;
}else {
score -= 10;
}
titleLabel.setText("当前分数 为:" + score);
}
});
smallyBtn.setBounds(220, 300, 80, 50);
root.add(smallyBtn);
this.add(root);
this.setSize(new Dimension(400, 600));
this.setVisible(true);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}
//定时器线程用来进行摇色子
class MyTask extends TimerTask{
private MyFrame frame;
public MyTask(MyFrame frame) {
this.frame = frame;
}
@Override
public void run() {
//生成一个随机数用来选择目录下的一张色子图片
int n = 1 + (int)(Math.random() * (6-1+1));
this.frame.cnt = n;
this.frame.imageLabel.setIcon(new ImageIcon(this.frame.filepath + this.frame.cnt + ".jpg"));
//frame.imageLabel.paintImmediately(frame.imageLabel.getBounds());
}
}
JavaMain类:
package com.junlin.exer_8;
public class JavaMain {
public static void main(String[] args) {
new MyFrame();
}
}
标签:Java,frame,Swing,imageLabel,new,import,色子,public
From: https://www.cnblogs.com/junlin623/p/17171478.html