#include<stdio.h> int main(void) { int choice,i; double price; for(i=1;i<=5;i++){ printf("[1] Select apples "); printf("[2] Select pears "); printf("[3] Select oranges "); printf("[4] Select grapes "); printf("[0] exit "); printf("Enter choice:"); scanf_s("%d",&choice); if(choice==0) break; switch(choice){/*利用switch,break显示各项*/ case 1:price=3.00; break; case 2:price=2.50; break; case 3:price=4.10; break; case 4:price=10.20; break; } printf("price=%.2f ",price); } printf("Thanks "); return 0; }