功能说明
1.1. 菜单页功能
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package lotteryDemo1; import java.util.Scanner; public class Menu { public static void main(String[] args) { Scanner sc= new Scanner(System.in); o: while ( true ){ System.out.println( "欢迎使用双色球系统,官方网站HdhCmsTestzhongbuliao测试数据" ); System.out.println( "********请输入菜单选项*********" ); System.out.println( "* 1:购买双色球 *" ); System.out.println( "* 2:查看开奖 *" ); System.out.println( "* 3:查看中奖 *" ); System.out.println( "* 4:退出系统 *" ); System.out.println( "******************************" ); System.out.println( "请输入选项" ); int option =sc.nextInt(); switch (option){ case 1 : System.out.println( "运行购买双色球代码" ); break ; case 2 : System.out.println( "运行查看开奖代码" ); break ; case 3 : System.out.println( "运行查看中奖代码" ); break ; case 4 : System.out.println( "客官常来呀!" ); break o; default : System.out.println( "客官不可以" ); } } } } |
1.2. 购买双色球
1.3. 查看开奖
准备彩票工具类
存放一个生成 彩票的方法
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package lotteryDemo1; import java.util.Arrays; public class LotteryUtil { public static int [] getLottery(){ int [] lottery= new int [ 6 ]; for ( int i = 0 ; i < 6 ; i++) { int num =( int )(Math.random()* 33 + 1 ); while (isContain(lottery,num)){ num =( int )(Math.random()* 33 + 1 ); } lottery[i]=num; } Arrays.sort(lottery); int [] lottery2= new int [ 7 ]; System.arraycopy(lottery, 0 ,lottery2, 0 , 6 ); lottery2[ 6 ]=( int )(Math.random()* 16 + 1 ); return lottery2; } public static boolean isContain( int [] arr, int b){ boolean flag= false ; for ( int x:arr){ if (x==b){ flag= true ; break ; } } return flag; } } |
在 menu类中添加代码
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package lotteryDemo1; import java.util.Arrays; import java.util.Scanner; public class Menu { public static void main(String[] args) { Scanner sc= new Scanner(System.in); // 声明一个二维数组 用于存储多个注彩票 int [][] lotteries= new int [ 0 ][]; int [] luckyNum= new int [ 0 ]; o: while ( true ){ System.out.println( "欢迎使用双色球系统,官方网站HdhCmsTestzhongbuliao测试数据" ); System.out.println( "********请输入菜单选项*********" ); System.out.println( "* 1:购买双色球 *" ); System.out.println( "* 2:查看我的双色球 *" ); System.out.println( "* 3:查看开奖 *" ); System.out.println( "* 4:查看中奖 *" ); System.out.println( "* 5:退出系统 *" ); System.out.println( "******************************" ); System.out.println( "请输入选项" ); int option =sc.nextInt(); switch (option){ case 1 : System.out.println( "运行购买双色球代码" ); //输入够买的注数 System.out.println( "请输入购买注数" ); int zs=sc.nextInt(); // 创建一个二维数组 用于存储多个彩票 lotteries = new int [zs][]; //由程序循环生成彩票 for ( int i = 0 ; i <zs ; i++) { lotteries[i] = LotteryUtil.getLottery(); } // 提示购买成功 System.out.println( "购买成功" ); break ; case 2 : // 购买双色球 if (lotteries.length!= 0 ){ /*遍历双色球二维数组*/ for ( int [] lottery:lotteries) { for ( int x= 0 ;x<lottery.length;x++) { if (x== 5 ){ System.out.print(lottery[x]+ "\t|\t" ); } else { System.out.print(lottery[x]+ "\t" ); } } System.out.println(); } } else { System.out.println( "客官请先花钱购买,然后再查看双色球" ); } break ; case 3 : // 判断是否购买了双色球 // 再生成一注双色球,当成中奖号码即可 if (lotteries.length!= 0 ){ // 生成中间号码 luckyNum=LotteryUtil.getLottery(); // 输出中奖号码 for ( int x= 0 ;x<luckyNum.length;x++) { if (x== 5 ){ System.out.print(luckyNum[x]+ "\t|\t" ); } else { System.out.print(luckyNum[x]+ "\t" ); } } System.out.println(); } else { System.out.println( "客官请先花钱购买,然后再查看开奖号码" ); } break ; case 4 : System.out.println( "查看中奖!" ); break ; case 5 : System.out.println( "客官再来呀!" ); break o; default : System.out.println( "客官不可以" ); } } } } |
1.4. 查看中奖
在LotteryUtil中定义一个判断中奖的方法
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public static int isWin( int [] luckyNum, int [] lottery){ // 判断前六位有几位相同 int red= 0 ; for ( int i = 0 ; i < 6 ; i++) { System.out.print(lottery[i]+ "\t" ); if (luckyNum[i]==lottery[i]){ red++; } } int blue=luckyNum[ 6 ]==lottery[ 6 ]? 1 : 0 ; System.out.print( "\t|\t" +lottery[ 6 ]+ "\t" ); int money= 0 ; if (red== 6 &&blue== 1 ){ money= 5000000 ; System.out.println( "一等奖5000000元" ); } else if (red== 6 ){ money= 1250000 ; System.out.println( "二等奖1250000元" ); } else if (red== 5 &&blue== 1 ){ money= 3000 ; System.out.println( "三等奖3000元" ); } else if (red== 5 ||red+blue== 5 ){ money= 200 ; System.out.println( "四等奖200元" ); } else if (red== 4 ||red+blue== 4 ){ money= 10 ; System.out.println( "五等奖10元" ); } else if (red== 0 &&blue== 1 ){ money= 5 ; System.out.println( "六等奖5元" ); } else { System.out.println( "未中奖0元" ); } return money; } |
在menu中添加查看中奖功能
1.5. 退出系统
总结
本篇文章就到这里了，希望能够给你带来帮助，也希望您能够多多关注的更多内容！
原文链接：https://blog.csdn.net/weixin_45859844/article/details/120414080