package a;
import java.util.Scanner;
import java.util.Arrays;
public class Play21 {
int[] cards,computer,human;//定义一副54张牌,电脑5张,玩家5张
Scanner sr=new Scanner(System.in);
public Play21(){//构造方法
cards=new int[54];//定义54个大小的数组表示扑克牌
Arrays.fill(cards,0);//54张牌全赋值零,一旦某一张牌被用了就赋1
computer=new int[5];//电脑5张牌
Arrays.fill(computer,0);
human=new int[5];//人5张牌
Arrays.fill(human,0);
}
public void clear(){//使数组内所有数据赋值0没有用过,用过的赋值1
Arrays.fill(cards,0);
Arrays.fill(computer,0);
Arrays.fill(human,0);
}
public void start(){//开始游戏
System.out.println("-------------------------------------");
System.out.println("开始游戏!");
int n=1;
for(int i=0;i<1;i++){//电脑和玩家先各抽1张
computer[i]=nextOne();
human[i]=nextOne();
}
while(n<5){//牌数小于5时询问是否再要牌
show(human,n,1);//显示现在玩家的牌面
if(ask(human,n)){
computer[n]=nextOne();
human[n]=nextOne();
n++;
}
else break;
}
show(human,n,1);
show(computer,n,0);
if(judge(human,computer,n)==1)
System.out.println("\n你赢了!");
else if(judge(human,computer,n)==0)
System.out.println("\n平局!");
else if(judge(human,computer,n)==-1)
System.out.println("\n你输了!");
System.out.println("------------------------------------");
}
void show(int[] a,int num,int c){//显示牌面,如果c是1显示的是玩家的牌面,c是0显示的是电脑的牌面,num就是第几轮
if(c==1)System.out.println("\n"+(num-2)+":你现在的牌是:");
else System.out.println("\n"+(num-2)+":电脑现在的牌是:");
for(int i=0;i<num;i++){//以此把牌都显示出来,如果是1就是A、11就是J、12就是Q、13就是K、14就是小鬼、15就是大鬼
if(a[i]==1){System.out.print("A ");continue;}
if(a[i]==11){System.out.print("J ");continue;}
if(a[i]==12){System.out.print("Q ");continue;}
if(a[i]==13){System.out.print("K ");continue;}
if(a[i]==14){System.out.print("小鬼 ");continue;}
if(a[i]==15){System.out.print("大鬼 ");continue;}
System.out.print(a[i]+" ");//以空格为分割以次打印
}
}
boolean ask(int[] a,int num){
System.out.println("\n还抽一张?Y/N");
String ch=sr.nextLine();
if(!ch.equals("n")&&!ch.equals("N"))
return true;
else return false;
}
int nextOne(){//用递归确保返回的牌没有重复
int n=(int)(Math.random()*54);//通过随机的方法产生数
if(cards[n]==0){//如果产生的那个数字曾经没有用过那么就用,否则重新产生
cards[n]=1;//用过的赋值为1
if(n==52)
return 14;
else if(n==53)
return 15;
else return n%13+1;//这个数对13取模然后加1就是产生的牌
}
else return nextOne();//重新随机产生
}
int judge(int[] a,int[] b,int num){//判断电脑和玩家谁的点数更接近21,如果有鬼牌就另行判断
int sum_a=0,sum_b=0;//设置两个变量为了计数
boolean joker_a=false,joker_b=false;//分别代表人和电脑是否有鬼牌,true代表有
for(int i=0;i<num;i++){//这里把电脑和人的牌总和加起来,如果有鬼牌就把joker_a或joker_b设为true,再进一步判断
if(a[i]==14||a[i]==15)joker_a=true;//14为小鬼、15为大鬼
else sum_a+=a[i];//取和
if(b[i]==14||b[i]==15)joker_b=true;
else sum_b+=b[i];
}
if(joker_a)if(sum_a<8)sum_a+=13;//鬼牌可以任意1-13,如果鬼牌存在,并且其余牌总和小于8,那么现在加上13就是总和
else if(sum_a<21)sum_a=21;//如果除了鬼牌其余牌大于8小于21,那么总和就是21
if(joker_b)if(sum_b<8)sum_b+=13;//电脑和人判断方法一样
else if(sum_b<21)sum_b=21;
if(sum_a>21&&sum_b<=21)return -1;//最后判断大小,如果人的大于21并且电脑小于等于21那么电脑赢
if(sum_a<=21&&sum_b>21)return 1;//否则人赢
if(Math.abs(sum_a-21)<Math.abs(sum_b-21))
return 0;//一样的话平局
else //if(Math.abs(sum_a-21)>Math.abs(sum_b-21))
return -1;//否则电脑赢
}
public static void main (String[] args) {
Play21 p=new Play21();//创建一个对象
Scanner sr=new Scanner(System.in);//再控制台输入
String ch="y";//定义一个字符
while(true){//循环
p.start();//调用start方法
System.out.println("再来一局?Y/N");
ch=sr.nextLine();//再控制台输入y或者n
if(!ch.equals("n")&&!ch.equals("N"))//判断如果不是n或者N的话就重新玩,否则游戏结束
p.clear();//调用clear方法,把所有牌都标记为0就是没用过
else break;
}
}
}
package a;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.GroupLayout;
import javax.swing.GroupLayout.Alignment;
import javax.swing.LayoutStyle.ComponentPlacement;
import javax.swing.SwingConstants;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
public class TOpoint extends Play21{
public static void main(String[] args){
JFrame f = new JFrame("21点");
f.setSize(600,450);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setVisible(true);
f.setResizable(false);
f.setLocationRelativeTo(null) ;
Play21 p = new Play21();
JLabel lblNewLabel = new JLabel("你已经拥有的牌:");
JLabel lblNewLabel_1 = new JLabel("合计:");
JLabel lblNewLabel_2 = new JLabel("背面");
lblNewLabel_2.setHorizontalAlignment(SwingConstants.CENTER);
JButton button = new JButton("要牌");
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
}
});
JLabel lblNewLabel_3 = new JLabel("玩家");
lblNewLabel_3.setHorizontalAlignment(SwingConstants.CENTER);
JLabel label = new JLabel("电脑");
label.setHorizontalAlignment(SwingConstants.CENTER);
JLabel label_1 = new JLabel("你已经拥有的牌:");
JLabel label_2 = new JLabel("合计:");
JLabel label_3 = new JLabel("背面");
label_3.setHorizontalAlignment(SwingConstants.CENTER);
JButton button_1 = new JButton("要牌");
GroupLayout groupLayout = new GroupLayout(f.getContentPane());
groupLayout.setHorizontalGroup(
groupLayout.createParallelGroup(Alignment.LEADING)
.addGroup(groupLayout.createSequentialGroup()
.addGap(30)
.addGroup(groupLayout.createParallelGroup(Alignment.LEADING)
.addComponent(lblNewLabel_3, GroupLayout.PREFERRED_SIZE, 114, GroupLayout.PREFERRED_SIZE)
.addComponent(lblNewLabel, GroupLayout.PREFERRED_SIZE, 192, GroupLayout.PREFERRED_SIZE)
.addComponent(lblNewLabel_1, GroupLayout.PREFERRED_SIZE, 121, GroupLayout.PREFERRED_SIZE)
.addGroup(groupLayout.createParallelGroup(Alignment.TRAILING, false)
.addComponent(lblNewLabel_2, Alignment.LEADING, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(button, Alignment.LEADING, GroupLayout.DEFAULT_SIZE, 148, Short.MAX_VALUE)))
.addGap(162)
.addGroup(groupLayout.createParallelGroup(Alignment.LEADING)
.addComponent(label_3, GroupLayout.PREFERRED_SIZE, 148, GroupLayout.PREFERRED_SIZE)
.addComponent(label_2, GroupLayout.PREFERRED_SIZE, 121, GroupLayout.PREFERRED_SIZE)
.addComponent(label_1, GroupLayout.PREFERRED_SIZE, 192, GroupLayout.PREFERRED_SIZE)
.addComponent(label, GroupLayout.PREFERRED_SIZE, 114, GroupLayout.PREFERRED_SIZE)
.addComponent(button_1, GroupLayout.PREFERRED_SIZE, 148, GroupLayout.PREFERRED_SIZE))
.addGap(26))
);
groupLayout.setVerticalGroup(
groupLayout.createParallelGroup(Alignment.LEADING)
.addGroup(groupLayout.createSequentialGroup()
.addGap(11)
.addGroup(groupLayout.createParallelGroup(Alignment.BASELINE)
.addComponent(lblNewLabel_3, GroupLayout.PREFERRED_SIZE, 30, GroupLayout.PREFERRED_SIZE)
.addComponent(label, GroupLayout.PREFERRED_SIZE, 30, GroupLayout.PREFERRED_SIZE))
.addGap(18)
.addGroup(groupLayout.createParallelGroup(Alignment.BASELINE)
.addComponent(lblNewLabel)
.addComponent(label_1))
.addGap(41)
.addGroup(groupLayout.createParallelGroup(Alignment.BASELINE)
.addComponent(lblNewLabel_1)
.addComponent(label_2))
.addPreferredGap(ComponentPlacement.RELATED)
.addGroup(groupLayout.createParallelGroup(Alignment.LEADING)
.addComponent(lblNewLabel_2, GroupLayout.PREFERRED_SIZE, 144, GroupLayout.PREFERRED_SIZE)
.addComponent(label_3, GroupLayout.PREFERRED_SIZE, 144, GroupLayout.PREFERRED_SIZE))
.addGap(56)
.addGroup(groupLayout.createParallelGroup(Alignment.LEADING)
.addComponent(button_1, GroupLayout.PREFERRED_SIZE, 38, GroupLayout.PREFERRED_SIZE)
.addComponent(button, GroupLayout.PREFERRED_SIZE, 38, GroupLayout.PREFERRED_SIZE)))
);
f.getContentPane().setLayout(groupLayout);
}
}