C语言,简单控制上下左右 - 黑马程序员技术交流社区

#include <stdio.h>
int main(int argc, const char * argv[])
{
char c = 0;
char c1 = 0;
int x = 1;
while (x)
{
printf("请输入W.A.S.D,w.上,a.左,s.下,d.右\n");
rewind(stdin);
scanf("%c",&c);
while (c!=0&&c!='w'&&c!='a'&&c!='s'&&c!='d'&&c!='W'&&c!='A'&&c!='S'&&c!='D'&&c!='q'&&c!='Q')
{
printf("按要求重新输入\n");
rewind(stdin);
scanf("%c",&c);
}
if (c=='w'||c=='W')
{
printf("向上走\n");
rewind(stdin);
}
else if (c=='a'||c=='A')
{
printf("向左走\n");
rewind(stdin);
}
else if (c=='s'||c=='S')
{
printf("向下走\n");
rewind(stdin);
}
else if (c=='d'||c=='D')
{
printf("向右走\n");
rewind(stdin);
}
else if (c=='q'||c=='Q')
{
printf("程序即将结束,请确认? Y确认,输入任意不退出\n");
rewind(stdin);
scanf("%c",&c1);
if (c1 == 'y'||c1=='Y')
{
printf("程序以退出\n");
x--;
}
}
}
return 0;
}

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