#include<conio.h>
main()
{
int i=1
char getchviewk
for( i =1i<=5i++)
{
printf("[1]可乐 [2]咖啡\n")
printf("[3]果汁 [4]奶茶\n")
printf("[0]退出\n")
if(i==1)getchviewk=getch()
switch(getchviewk)
{
case 48 : i=5break
case 49 :printf("可乐3元\n")getchviewk=getch()break
case 50 :printf("咖啡5元\n")getchviewk=getch()break
case 51 :printf("果汁4元\n")getchviewk=getch()break
case 52 :printf("奶茶2元\n")getchviewk=getch()break
default : printf("显示错误提示信息\n")getchviewk=getch()
}
system("cls")
}
return 0
}