java双色球抽奖 java实现双色球抽奖算法

//导包
import java.util.*;
class TestDouble01 
{
  public static void main(String[] args) 
  {
    Scanner s = new Scanner(System.in);
    Random ran = new Random();
    //随机生成大奖号码
    int arr2[]=new int[7];
    int shu =33;
    for (int i=0;i<arr2.length ;i++ )
    {
      boolean flag2=true;
      while (flag2)
      {
        if(i==6){
          shu = 16;
        }
        int b = ran.nextInt(shu)+1;
        int num2=0;
        for (int j=0;j<arr2.length ;j++ )
        {
          if (b==arr2[j])
          {
            num2++;
          }
        }
        if (num2==0)
        {
          arr2[i]=b;
          flag2=false;
        }
      }
    }
    //判断购买号码的生成方式
    boolean flag=true;

    int arr1[]=new int[7];
    while(flag){
      System.out.println("请选择机选还是手选：1、机选；2、手选；3、退出 （请输入对应序号）");
      int xz=s.nextInt();
      if (xz == 1)
      {
        int shu1 = 33;
        //随机生成购买号码
        for (int i=0;i<arr1.length ;i++ )
        {
          boolean flag1=true;
          while (flag1)
          {
            if (i==6)
            {
              shu1=16;
            }
            int a = ran.nextInt(shu1)+1;
            int num1=0;
            for (int j=0;j<arr1.length ;j++ )
            {
              if (a==arr1[j])
              {
                num1++;
              }
            }
            if (num1==0)
            {
              arr1[i]=a;
              flag1=false;
            }
          }
        }
        flag=false;
      }else if (xz==2)
      {  
        //手动输入
        for (int i=0;i<arr1.length ;i++ )
        {
          System.out.println("请输入第"+(i+1)+"个数：");
          arr1[i]=s.nextInt();
        }
        s.close();
      }else if (xz==3)
      {
        //退出
        flag=false;
      }else{
        System.out.println("请输入正确的序号");
      }
    }
    //将随机的大奖数组前6位红球升序排列
    for(int j=0;j<=arr1.length-2;j++){
      for (int i = 0;i<arr1.length-2-j;i++ )
      {
        if (arr1[i]>arr1[i+1])
        {
          arr1[i]=arr1[i]+arr1[i+1];
          arr1[i+1]=arr1[i]-arr1[i+1];
          arr1[i]=arr1[i]-arr1[i+1];
        }
      }
    }
    //将随机的购买数组前6位红球升序排列
    for(int j=0;j<=arr2.length-2;j++){
      for (int i = 0;i<arr2.length-2-j;i++ )
      {
        if (arr2[i]>arr2[i+1])
        {
          arr2[i]=arr2[i]+arr2[i+1];
          arr2[i+1]=arr2[i]-arr2[i+1];
          arr2[i]=arr2[i]-arr2[i+1];
        }
      }
    }

    //输出打印大奖号码和购买号码
    System.out.println("购买号码为："+Arrays.toString(arr1));
    System.out.println("大奖号码为："+Arrays.toString(arr2));


    //判断奖项
    //查询两个数组中前6位数字相同的数量
    int num = 0;
    for (int i=0;i<arr1.length-1 ;i++ )
    {
      for (int j=0;j<arr2.length-1 ;j++ )
      {
        if (arr2[i]==arr1[j])
        {
          num++;
        }
      }
    }
    //由相同的数字数量判断奖项
    System.out.println(num);
    System.out.println(arr1[6]==arr2[6]);
    if (arr1[6]==arr2[6])
    {
      if (num==6){
        System.out.println("恭喜您获得一等奖");
      }else if (num==5){
        System.out.println("恭喜您获得三等奖");
      }else if (num==4){
        System.out.println("恭喜您获得四等奖");
      }else if (num==3){
        System.out.println("恭喜您获得五等奖");
      }else if (num==2 || num==1 || num==0){
        System.out.println("恭喜您获得六等奖");
      }else{
        System.out.println("您未获奖，再接再厉");
      }
    }else{
      if (num==6){
        System.out.println("恭喜您获得二等奖");
      }else if (num==5){
        System.out.println("恭喜您获得四等奖");
      }else if (num==4){
        System.out.println("恭喜您获得五等奖");
      }else{
        System.out.println("您未获奖，再接再厉");
      }
    }
  }
}