guest.c

小型商品管理系统： 初始的商品信息文件名为porduct

/*guest.c：普通用户功能选择界面，根据用户选项调用相应函数*/
void Guest()
{
    int choice = 0;
    while(1)
    {
        printf("--------------------------------------------\n");
        printf("|                                          |\n");
        printf("|   Welcome to Product Management System   |\n");
        printf("|                                          |\n");
        printf("|------------------------------------------|\n");
        printf("|                                          |\n");
        printf("|           1. QueryByName()               |\n");
        printf("|           2. QueryBySeatNum()            |\n");
        printf("|           3. SortByMemberPrice()         |\n");
        printf("|           0. Program end                 |\n");
        printf("|                                          |\n");
        printf("--------------------------------------------\n");
        printf("\n Please input your choose, (1,2,3,0)?\n");
        scanf("%d",&choice);
        getchar();
        switch(choice)
            {
            case 1:
                QueryByName();
                break;
            case 2:
                QueryBySeatNum();
                break;
            case 3:
                SortByMemberPrice();
                break;
            case 0:
                exit(0);
            default:
                break;
        }
    }
}