Java的带GUI界面猜数字游戏的实现示例

Java的带GUI界面猜数字游戏的实现示例

先导包

import java.util.*;

import javax.swing.*;

再写主方法

public static void main(String[] args) {

}

新声明一个Scanner和随机数

public static void main(String[] args) {

Scanner in = new Scanner(System.in);

Random r = new Random();

}

让UIManager爬取系统窗口样式

try {

UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());

} catch (Exception e) {

e.printStackTrace();

}

新建一个int类型的变量存储随机数

int secret = r.nextInt(32) + 1;

写入主程序

JOptionPane.showMessageDialog(null, "电脑随机生成了一个1~32之间的数，请猜出这个数", "猜数字游戏", JOptionPane.PLAIN_MESSAGE);

String number2 = (StCNKFuring) JOptionPane.showInputDialog(null, "请输入想猜的数：", "猜数字游戏", JOptionPane.PLAIN_MESSAGE, null, null, "");

int number = Integer.parseInt(number2);

while (number != secret) {

if (number > secret) {

JOptionPane.showMessageDialog(null, "你猜的数大了，请继续猜", "猜数字游戏", JOptionPane.PLAIN_MESSAGE);

number2 = (Strinhttp://g) JOptionPane.showInputDialog(null, "请输入想猜的数：", "猜数字游戏", JOptionPane.PLAIN_MESSAGE, null, null, "");

number = Integer.parseInt(number2);

} else {

JOptionPane.showMessageDialog(null, "你猜的数小了，请继续猜", "猜数字游戏", JOptionPane.PLAIN_MESSAGE);

number2 = (String) JOptionPane.showInputDialog(null, "请输入想猜的数：", "猜数字游戏", JOptionPane.PLAIN_MESSAGE, null, null, "");

number = Integer.parseInt(number2);

}

}

JOptionPane.showMessageDialog(null, "恭喜你，你猜对了，电脑生成的随机数是" + secret, "猜数字游戏", JOptionPane.PLAIN_MESSAGE);

全部代码

package http://com.demo05;

import java.util.*;

import javax.swing.*;

public class MathDemo03 {

public static void main(String[] args) {

Scanner in = new Scanner(System.in);

Random r = new Random();

int secret = r.nextInt(32) + 1;

try {

UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());

} catch (Exception e) {

e.printStackTrace();

}

JOptionPane.showMessageDialog(null, "电脑随机生成了一个1~32之间的数，请猜出这个数", "猜数字游戏", JOptionPane.PLAIN_MESSAGE);

String number2 = (String) JOptionPane.showInputDialog(null, "请输入想猜的数：", "猜数字游戏", JOptionPane.PLAIN_MESSAGE, null, null, "");

int number = Integer.parseInt(number2);

while (number != secret) {

if (number > sCNKFuecret) {

JOptionPane.showMessageDialog(null, "你猜的数大了，请继续猜", "猜数字游戏", JOptionPane.PLAIN_MESSAGE);

number2 = (String) JOptionPane.showInputDialog(null, "请输入想猜的数：", "猜数字游戏", JOptionPane.PLAIN_MESSAGE, null, null, "");

number = Integer.parseInt(number2);

} else {

JOptionPane.showMessageDialog(null, "你猜的数小了，请继续猜", "猜数字游戏", JOptionPane.PLAIN_MESSAGE);

number2 = (String) JOptionPane.showInputDialog(null, "请输入想猜的数：", "猜数字游戏", JOptionPane.PLAIN_MESSAGE, null, null, "");

number = Integer.parseInt(number2);

}

}

JOptionPane.showMessageDialog(null, "恭喜你，你猜对了，电脑生成的随机数是" + secret, "猜数字游戏", JOptionPane.PLAIN_MESSAGE);

}

}

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