【Java】实现双色球随机彩票

 

目前对于对于输入没有进行限制（可以输入相同的数字或大于双色球号码的数字，同样也可以输入字符），之后会进行更新。

　　

 

package pres.work;

import java.util.Arrays;
import java.util.Random;
import java.util.Scanner;

/**
 * 实现双色球随机彩票
 * @author three
 *
 */
public class DoubleBall {

    public static void main(String[] args) {
        
        /**
         * 随机双色球，红球六个(不重复)，蓝球一个
         */
        int[] randomRedBall = new int[6];
        int[] randomBlueBall = new int[1];
        Random rand = new Random();
        for(int i = 0; i<randomRedBall.length; i++) {
            int r= rand.nextInt(33)+1;
            randomRedBall[i] = r;
            //遍历，判断是否重复
            for(int j = 0;j<i;j++) {
                if(randomRedBall[j] == r) {
                    --i;
                    continue;
                }
            }
        }
        randomBlueBall[0] = rand.nextInt(16)+1;

        /**
         * 键盘输入红/蓝球号码 相邻号码以空格隔开
         */
        Scanner sc = new Scanner(System.in);
        int[] setRedBall = new int[6]; 
        System.out.print("请输入选择的红球：");
        for(int i = 0; i<randomRedBall.length; i++) {
            setRedBall[i] = sc.nextInt();
        }
        System.out.print("请输入选择的蓝球：");
        int[] setBlueBall = new int[1];
        setBlueBall[0] = sc.nextInt();
        sc.close();
        
        //键盘输入结束后，打印出中奖号码，方便用户对比
        System.out.printf("中奖红球号码 %s\n",Arrays.toString(randomRedBall));
        System.out.printf("中奖蓝球号码 %s\n",Arrays.toString(randomBlueBall));
        
        /**
         * 判断随机球与输入球号码是否相同，相同就加 1
         */
        int sumRed = 0;
        for(int i = 0; i<randomRedBall.length;i++) {
            for(int j = 0; j<setRedBall.length;j++) {
                if(randomRedBall[i] == setRedBall[j]) {
                    sumRed++;
                }
            }
        }
        int sumBlue = 0;
        if(randomBlueBall[0] == setBlueBall[0]) ++sumBlue;
        
        /**
         * 匹配中奖机制
         */
        if(sumRed == 6 && sumBlue == 1) {
            System.out.println("恭喜你获得：一等奖");
        }else if(sumRed == 6 && sumBlue == 0) {
            System.out.println("恭喜你获得：二等奖");
        }else if(sumRed == 5 && sumBlue == 1) {
            System.out.println("恭喜你获得：三等奖");
        }else if(sumRed == 5 && sumBlue == 0 || sumRed == 4 && sumBlue == 1) {
            System.out.println("恭喜你获得：四等奖");
        }else if(sumRed == 4 && sumBlue == 0 || sumRed == 3 && sumBlue == 1) {
            System.out.println("恭喜你获得：五等奖");
        }else if(sumRed == 2 && sumBlue == 1 || sumRed == 1 && sumBlue == 1 || sumRed == 0 && sumBlue == 1) {
            System.out.println("恭喜你获得：六等奖");
        }else {
            System.out.println("很遗憾，你没中奖。多买几次，总有机会的···");
        }
    }

}