C语言 8.0

int main()
{
int iNumber=1;

    while(iNumber!=0)
    {
         printf("---------Menu-------------\n");
             printf("---------Sell---------------1\n");
             printf("---------Buy---------------2\n");
             printf("---------Showproduct---3\n");
             printf("---------Out----------------0\n");

             scanf("%d",&iNumber);// 打印函数，接收输入数据；
             switch(iNumber)
             {
              case 1:
                   printf(”you are buying soming into store\n");
                     break;
                case 2:
                   printf("you are selling soming into store\n");
                     break;
                case 3:
                   printf("checking the store\n");
                     break;
                case 0:
                     printf("the program is out\n");
                     break;
                default:
                   printf("you put a wrong selection\n");
                   break;
             }
    }   
           return 0;

}
顾客用户菜单，每一次点击进行一次循环，直到输入0，结束循环；一个简单的循环语句，不做过多介绍；

C语言 8.0

原文：https://blog.51cto.com/15098536/2623595