Java的带GUI界面猜数字游戏的实现示例
发布时间:2020-12-15 00:30:55 所属栏目:Java 来源:网络整理
导读: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UIManage
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 = (String) JOptionPane.showInputDialog(null,"请输入想猜的数:",JOptionPane.PLAIN_MESSAGE,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",JOptionPane.PLAIN_MESSAGE); number2 = (String) JOptionPane.showInputDialog(null,""); number = Integer.parseInt(number2); } else { JOptionPane.showMessageDialog(null,"你猜的数小了,请继续猜",""); number = Integer.parseInt(number2); } } JOptionPane.showMessageDialog(null,"恭喜你,你猜对了,电脑生成的随机数是" + secret,JOptionPane.PLAIN_MESSAGE); 全部代码 package 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,JOptionPane.PLAIN_MESSAGE); String number2 = (String) JOptionPane.showInputDialog(null,""); int number = Integer.parseInt(number2); while (number != secret) { if (number > secret) { JOptionPane.showMessageDialog(null,JOptionPane.PLAIN_MESSAGE); number2 = (String) JOptionPane.showInputDialog(null,""); number = Integer.parseInt(number2); } else { JOptionPane.showMessageDialog(null,""); number = Integer.parseInt(number2); } } JOptionPane.showMessageDialog(null,JOptionPane.PLAIN_MESSAGE); } } 以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持我们。 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |