這是個十分簡單的小遊戲，主要是利用Eclipse搭配Virtual-Editor來拉畫面，再把行為寫入ActionListener裡監聽而已，主要控制都在Button按鈕的Click動作。
遊戲的概念是，由系統生成(?)設定一個數，以此程式為例，是由亂數產生的，而使用者在輸入框裡輸入要猜的數字，由按鈕”猜猜看”當獨發點，檢查輸入數字與系統設定的數字大小為何，並於TextArea顯示結果。此處還有另一個動作”答案”按鈕，可以顯示於TextArea系統的內定數字為何。
以下是結果畫面：
按下答案按鈕會告知答案為何。
package yku.game;
//import java.awt.BorderLayout;
import javax.swing.JPanel;
import javax.swing.JFrame;
import javax.swing.WindowConstants;
import javax.swing.JFormattedTextField;
import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.Toolkit;
import javax.swing.JButton;
import javax.swing.JTextArea;
import javax.swing.JScrollPane;
import java.awt.Font;
import javax.swing.JTextField;
public class MoreOrLess extends JFrame {
private static final long serialVersionUID = 1L;
private JPanel jContentPane = null;
private JFormattedTextField input = null;
private JButton guessAns = null;
private JScrollPane jScrollPane = null;
private JTextArea ansArea = null;
private JButton start = null;
private int ans = 0;
private final int maxInt = 99;
private JButton aboutMe = null;
private JButton Ans = null;
/**
* This is the default constructor
*/
public MoreOrLess() {
super();
initialize();
reStart();
}
public void reStart() {
this.input.setText("");
this.ansArea.setText("");
java.util.Random r = new java.util.Random();
this.ans = r.nextInt(maxInt) + 1;
this.getInput().requestFocus();
}
public void doGuest() {
int input_ans = 0;
try {
input_ans = Integer.parseInt(this.getInput().getText());
} catch (Exception ex) {
return;
}
if (input_ans > this.ans)
this.getAnsArea().append(input_ans + " 比答案小!\n");
else if (input_ans < this.ans)
this.getAnsArea().append(input_ans + " 比答案大!\n");
else
this.getAnsArea().append(input_ans + " 你答對了!\n");
// 再把答案欄清空
this.getInput().setText("");
this.getInput().requestFocus();
}
public void doAns() {
this.getAnsArea().append("答案是:" + this.ans + "\n");
this.getInput().setText("");
this.getInput().requestFocus();
}
/**
* This method initializes this
*
* @return void
*/
private void initialize() {
this.setSize(300, 200);
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
this.setLocation(screenSize.width / 2 - this.getWidth() / 2,
screenSize.height / 2 - this.getHeight() / 2);
this.setResizable(false);
this.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
this.setContentPane(getJContentPane());
this.setTitle("MoreOrLess");
this.setVisible(true);
}
/**
* This method initializes jContentPane
*
* @return javax.swing.JPanel
*/
private JPanel getJContentPane() {
if (jContentPane == null) {
jContentPane = new JPanel();
jContentPane.setLayout(null);
jContentPane.add(getInput(), null);
jContentPane.add(getGuessAns(), null);
jContentPane.add(getJScrollPane(), null);
jContentPane.add(getStart(), null);
jContentPane.add(getAns(), null);
}
return jContentPane;
}
/**
* This method initializes input
*
* @return javax.swing.JFormattedTextField
*/
private JFormattedTextField getInput() {
if (input == null) {
javax.swing.text.NumberFormatter mf2 = null;
mf2 = new javax.swing.text.NumberFormatter();
mf2.setMaximum(new Integer(maxInt));
mf2.setMinimum(new Integer(1));
input = new JFormattedTextField(mf2);
input.setBounds(new Rectangle(95, 2, 97, 78));
input.setFont(new Font("Dialog", Font.PLAIN, 72));
input.setHorizontalAlignment(JTextField.CENTER);
input.setText("12");
}
return input;
}
/**
* This method initializes guessAns
*
* @return javax.swing.JButton
*/
private JButton getGuessAns() {
if (guessAns == null) {
guessAns = new JButton();
guessAns.setBounds(new Rectangle(104, 92, 80, 36));
guessAns.setText("猜看看");
guessAns.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent e) {
MoreOrLess frame = ((MoreOrLess) ((JButton) e.getSource())
.getTopLevelAncestor());
frame.doGuest();
}
});
}
return guessAns;
}
/**
* This method initializes jScrollPane
*
* @return javax.swing.JScrollPane
*/
private JScrollPane getJScrollPane() {
if (jScrollPane == null) {
jScrollPane = new JScrollPane();
jScrollPane.setBounds(new Rectangle(195, 1, 98, 166));
jScrollPane.setViewportView(getAnsArea());
}
return jScrollPane;
}
/**
* This method initializes ansArea
*
* @return javax.swing.JTextArea
*/
private JTextArea getAnsArea() {
if (ansArea == null) {
ansArea = new JTextArea();
}
return ansArea;
}
/**
* This method initializes start
*
* @return javax.swing.JButton
*/
private JButton getStart() {
if (start == null) {
start = new JButton();
start.setBounds(new Rectangle(2, 1, 91, 34));
start.setActionCommand("重新開始");
start.setText("重新聞始");
start.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent e) {
MoreOrLess frame = ((MoreOrLess) ((JButton) e.getSource())
.getTopLevelAncestor());
frame.reStart();
}
});
}
return start;
}
/**
* This method initializes Ans
*
* @return javax.swing.JButton
*/
private JButton getAns() {
if (Ans == null) {
Ans = new JButton();
Ans.setBounds(new Rectangle(11, 135, 71, 23));
Ans.setText("答案");
Ans.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent e) {
MoreOrLess frame = ((MoreOrLess) ((JButton) e.getSource())
.getTopLevelAncestor());
frame.doAns();
}
});
}
return Ans;
}
/**
* This method initializes aboutMe
*
* @return javax.swing.JButton
*/
public static void main(String args[]) {
new MoreOrLess();
}
}
nice