java 猜数字小游戏

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GuessNum:

package 猜数字1;public class GuessNum {public static void main(String args[]){BuildWindow win=new BuildWindow("猜数字");}}

BuildWindow:

package 猜数字1;import java.awt.*;import javax.swing.*;import java.awt.event.*;public class BuildWindow extends JFrame{static JButton guessButton;//为了能够在PoliceListener内e.getSource调用它static JButton enterButton;//百度好久才找到static JLabel result;//JTextField showText;PoliceListener listener;public BuildWindow(String s){init();setVisible(true);setBounds(100,100,260,160);setTitle(s);validate();setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);}void init(){setLayout(new FlowLayout());guessButton = new JButton("获取随机数");add(guessButton);result = new JLabel("lala");add(result);result.setBackground(Color.blue);showText = new JTextField(10);add(showText);enterButton = new JButton("确定");add(enterButton);listener=new PoliceListener();//第一次忘记了。。结果不出现结果。找了好久guessButton.addActionListener(listener);enterButton.addActionListener(listener);listener.setJTextField(showText);}}

PoliceListener:

package 猜数字1;import javax.swing.*;import java.awt.event.*;public class PoliceListener implements ActionListener{int num;JTextField showText;public void setJTextField(JTextField text){showText=text;}public void actionPerformed (ActionEvent e){if(e.getSource()==BuildWindow.guessButton){num=(int)(Math.random()*100)+1;BuildWindow.result.setText("输入你的猜测(1-100)");}else if(e.getSource()==BuildWindow.enterButton){int guess;try{guess=Integer.parseInt(showText.getText());if(guess==num){BuildWindow.result.setText("猜对了！");}else if(guess>num){BuildWindow.result.setText("猜大了");}else if(guess<num){BuildWindow.result.setText("猜小了");}}catch(NumberFormatException event){BuildWindow.result.setText("请输入数字字符");}}}}

这是运行结果

不知道这叫不叫可视化。。哈哈胡说的莫怪

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