Java雙色球系統(tǒng)開發(fā)是怎樣的

這篇文章給大家介紹Java雙色球系統(tǒng)開發(fā)是怎樣的，內(nèi)容非常詳細(xì)，感興趣的小伙伴們可以參考借鑒，希望對大家能有所幫助。

功能說明

1.1. 菜單頁功能

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("歡迎使用雙色球系統(tǒng),官方網(wǎng)站www.zhongbuliao.com");
            System.out.println("********請輸入菜單選項(xiàng)*********");
            System.out.println("*        1:購買雙色球         *");
            System.out.println("*        2:查看開獎           *");
            System.out.println("*        3:查看中獎           *");
            System.out.println("*        4:退出系統(tǒng)           *");
            System.out.println("******************************");
            System.out.println("請輸入選項(xiàng)");
            int option =sc.nextInt();
            switch (option){
                case 1:
                    System.out.println("運(yùn)行購買雙色球代碼");
                    break;
                case 2:
                    System.out.println("運(yùn)行查看開獎代碼");
                    break;
                case 3:
                    System.out.println("運(yùn)行查看中獎代碼");
                    break;
                case 4:
                    System.out.println("客官常來呀!");
                    break o;
                default:
                    System.out.println("客官不可以");
            }
        }
    }
}

1.2. 購買雙色球

1.3. 查看開獎

準(zhǔn)備彩票工具類

存放一個生成 彩票的方法

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類中添加代碼

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);
        // 聲明一個二維數(shù)組 用于存儲多個注彩票
        int[][] lotteries=new int[0][];
        int[] luckyNum=new int[0];
        o:while(true){
            System.out.println("歡迎使用雙色球系統(tǒng),官方網(wǎng)站www.zhongbuliao.com");
            System.out.println("********請輸入菜單選項(xiàng)*********");
            System.out.println("*        1:購買雙色球         *");
            System.out.println("*        2:查看我的雙色球     *");
            System.out.println("*        3:查看開獎           *");
            System.out.println("*        4:查看中獎           *");
            System.out.println("*        5:退出系統(tǒng)           *");
            System.out.println("******************************");
            System.out.println("請輸入選項(xiàng)");
            int option =sc.nextInt();
            switch (option){
                case 1:
                    System.out.println("運(yùn)行購買雙色球代碼");
                    //輸入夠買的注數(shù)
                    System.out.println("請輸入購買注數(shù)");
                    int zs=sc.nextInt();
                    // 創(chuàng)建一個二維數(shù)組 用于存儲多個彩票
                    lotteries =new int[zs][];
                    //由程序循環(huán)生成彩票
                    for (int i = 0; i <zs ; i++) {
                        lotteries[i] = LotteryUtil.getLottery();
                    }
                    // 提示購買成功
                    System.out.println("購買成功");
                    break;
                case 2:
                    // 購買雙色球
                    if(lotteries.length!=0){
                        /*遍歷雙色球二維數(shù)組*/
                        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("客官請先花錢購買,然后再查看雙色球");
                    }
                    break;
                case 3:
                    // 判斷是否購買了雙色球
                    // 再生成一注雙色球,當(dāng)成中獎號碼即可
                    if(lotteries.length!=0){
                        // 生成中間號碼
                        luckyNum=LotteryUtil.getLottery();
                        // 輸出中獎號碼
                        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("客官請先花錢購買,然后再查看開獎號碼");
                    }
                    break;
                case 4:
                    System.out.println("查看中獎!");
                    break;
                case 5:
                    System.out.println("客官再來呀!");
                    break o;
                default:
                    System.out.println("客官不可以");
            }
        }
    }
}

1.4. 查看中獎

在LotteryUtil中定義一個判斷中獎的方法

public static int isWin(int[] luckyNum,int[] lottery){
    // 判斷前六位有幾位相同
    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("一等獎5000000元");
    }else if(red==6){
        money=1250000;
        System.out.println("二等獎1250000元");
    }else if(red==5&&blue==1){
        money=3000;
        System.out.println("三等獎3000元");
    }else if(red==5||red+blue==5){
        money=200;
        System.out.println("四等獎200元");
    }else if(red==4||red+blue==4){
        money=10;
        System.out.println("五等獎10元");
    } else if(red==0&&blue==1){
        money=5;
        System.out.println("六等獎5元");
    }else{
        System.out.println("未中獎0元");
    }
    return money;
}

在menu中添加查看中獎功能

1.5. 退出系統(tǒng)

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