纸牌游戏,出现死循环
#include"CH11Card.h"
#include"CH11CDealer.h"
#include"CH11CPlayer.h"
#include<iostream.h>
#include<stdlib.h>
int main()
{ CDealer Bob;
CPlayer pan,Li;
Bob.Shuffle();
Card card[52];
int i,j,a=0,choice,ch,x,card_ctr=0,number1=0,number2=0,k=3;
cout<<"\t\t****************************************************"<<endl;
cout<<"\t\t\t\t* 纸牌游戏 *"<<endl;
cout<<"\t\t****************************************************"<<endl;
cout<<" \t\t\t\t1.显示牌 "<<endl;
cout<<" \n\t\t\t\t2.显示洗过后的牌 "<<endl;
cout<<" \n\t\t\t\t3.发牌 "<<endl;
cout<<" \n\t\t\t\t4.洗牌"<<endl;
cout<<" \n\t\t\t\t5.游戏结果"<<endl;
cout<<" \n\t\t\t\t6.游戏规则 "<<endl;
cout<<" \n\t\t\t\t请选择操作(1~6)按其他键退出 "<<endl;
loop:cin>>choice;
switch(choice)
{
case 1:
for(i=0;i<4;++i)
{
for(j=2;j<15;++j)
{
card[card_ctr].SetSuit((Suit)i);
card[card_ctr].SetRand((Rand)j);
++card_ctr;
}
}
card_ctr=0;
for(i=0;i<52;++i)
{
card[i].ShowCard();
card_ctr++;
if(card_ctr==13)
{
cout<<endl;
card_ctr=0;
}
}
cout<<" \n\t\t\t\t请选择操作(1~6) "<<endl;goto loop;break;
case 2:
Bob.Shuffle();
Bob.ShowOrigCard();
cout<<" \n\t\t\t\t请选择操作(1~6) "<<endl;goto loop;break;
case 3:
cout<<"\npan的牌是"<<endl;
Bob.ShowShuffledCard1();
number1=Bob.number(0);
number1=number1+Bob.number(1);
cout<<"\npan目前得分为"<<number1<<endl;
cout<<"\nLi的牌是"<<endl;
Bob.ShowShuffledCard2();
number2=Bob.number(2);
number2=number2+Bob.number(3);
cout<<"\nLi目前得分为"<<number2<<endl;
looe:cout<<"pan需要更多的牌吗？(1)yes (2)no (3)out)!"<<endl;//这个地方如果我输入字母的话会出现死循环,怎么改才不会出现死循环,谢谢cin>>ch;
switch(ch)
{
case 1:Bob.Showout();k=k+1;
number1=number1+Bob.number(k);
cout<<"pan目前得分为"<<number1;
if(number1>21){cout<<"pan你的牌已经撑死了"<<"你的对手获胜"<<endl;
cout<<" \n\t\t\t\t请选择操作(1~6) "<<endl;goto loop;break;}
goto looe;
break;
case 2:cout<<"下位"<<endl;{
looc:cout<<"Li需要更多的牌吗？(1)yes (2)no (3)out)!"<<endl;
cin>>ch;
switch(ch)
{
case 1:Bob.Showout();k=k+1;
number2=number2+Bob.number(k);
cout<<"Li目前得分为"<<number2;
if(number2>21){cout<<"Li你的牌已经撑死了"<<"你的对手获胜"<<endl;
cout<<" \n\t\t\t\t请选择操作(1~6) "<<endl;goto loop;break;}
default:cout<<"谢谢你的参与"<<endl;break;
}
}
default:cout<<" \n\t\t\t\t请选择操作(1~6) "<<endl;goto loop;break;
}
case 4:
Bob.Shuffle();
cout<<" \n\t\t\t\t请选择操作(1~6) "<<endl;goto loop;break;
;
case 5:
if(number1==0||number2==0){cout<<"请先开始游戏"<<endl;goto loop;break;}
if(number1>21){cout<<"Li获胜"<<endl;break;}
if(number2>21){cout<<"pan获胜"<<endl;break;}
if(number1>number2){cout<<"pan获胜"<<endl;break;}
if(number1<number2){cout<<"Li获胜"<<endl;break;}
if(number1==number2){cout<<"双方平手"<<endl;break;}
cout<<" \n\t\t\t\t请选择操作(1~6) "<<endl;goto loop;break;
case 6:
cout<<"这个游戏是21点游戏，J，Q，K可以作为10点，其他各牌按数字点数，A可以作为11点，当牌多余5张的时候就是0点,请每次开始的时候重新洗牌";
cout<<" \n\t\t\t\t请选择操作(1~6) "<<endl;goto loop;break;
default:
cout<<"谢谢你的参与"<<endl;break;}
return 0;
}
[解决办法]
你用cin>>ch输入，当输入字母时，等于没有输入，ch的值不变，所以出错。你可以在cin>>ch前面给ch赋一个无效的值，例如ch=0或者ch=-1。
