【案例6-4】 斗地主模拟

【案例6-4】斗地主模拟
【案例介绍】
1.任务描述
斗地主的扑克牌游戏，相信许多人都会玩，本例要求编写一个斗地主的洗牌发牌程序，要求按照斗地主的规则完成洗牌发牌的过程。一副扑克总共有54张牌，牌面由花色和数字组成（包括J、Q、K、A字母）组成，花色有♠、♥、♦、♣ 四种，分别表示黑桃、红桃、方块、梅花，小☺、大☻分别表示小王和大王。斗地主游戏共有三位玩家参与，首先将这54张牌的顺序打乱每人轮流摸一次牌，剩余3张留作底牌，然后在控制台打印三位玩家的牌和三张底牌。

```package com.j2se.myInstances.example6_4;

import java.util.*;

public class Poker {
    
    
    public static void main(String[] args) {
    
    

        String[] pokerNumArr = {
    
    "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K", "A", "2"};
        String[] colorArr = {
    
    "♦", "♣", "♠", "♥"};
        HashMap<Integer, String> pokerSet = new HashMap<>();

        // 装牌
        int index = 0;
        String pokerNum = null;
        for (int i = 0; i < colorArr.length; i++) {
    
    
            for (int j = 0; j < pokerNumArr.length; j++) {
    
    
                pokerNum = colorArr[i] + pokerNumArr[j];
                pokerSet.put(index++, pokerNum);
            }
        }
        pokerSet.put(index, "小☺");
        index++;
        pokerSet.put(index, "大☻");

//        System.out.println(pokerSet.toString());

        ArrayList<Integer> numSet = new ArrayList<>();
        for (int i = 0; i < 54; i++) numSet.add(i);
        // xipai
        Collections.shuffle(numSet);
//        System.out.println(numSet.toString());
        // 发牌
        ArrayList<Integer> a1 = new ArrayList<>();
        ArrayList<Integer> a2 = new ArrayList<>();
        ArrayList<Integer> a3 = new ArrayList<>();
        ArrayList<Integer> athree = new ArrayList<>();
        for (int i = 0; i < numSet.size(); i++) {
    
    
            Integer idx = numSet.get(i);
            if (i >=51 ) {
    
    
                athree.add(idx);
            } else if (i % 3 == 0) {
    
    
                a1.add(idx);
            } else if (i%3==1) {
    
    
                a2.add(idx);
            } else {
    
    
                a3.add(idx);
            }
        }
        Collections.sort(a1);
        Collections.sort(a2);
        Collections.sort(a3);
        Collections.sort(athree);

        ArrayList<String> p1 = new ArrayList<>();
        ArrayList<String> p2 = new ArrayList<>();
        ArrayList<String> p3 = new ArrayList<>();
        ArrayList<String> three = new ArrayList<>();

        for (Integer idx : a1) {
    
    
            String value = pokerSet.get(idx);
            p1.add(value);
        }

        for (Integer idx : a2) {
    
    
            String value = pokerSet.get(idx);
            p2.add(value);
        }

        for (Integer idx : a3) {
    
    
            String value = pokerSet.get(idx);
            p3.add(value);
        }

        for (Integer idx : athree) {
    
    
            String value = pokerSet.get(idx);
            three.add(value);
        }

        System.out.println("玩家1：\n" + p1.toString());
        System.out.println("玩家2：\n" + p2.toString());
        System.out.println("玩家3：\n" + p3.toString());
        System.out.println("底牌：\n" + three.toString());

    }
}