这个gets(a)没有起到作用，像是被忽视了?

Question

void shuiguo(){ double pg=2,xj=1.5,jz=0.3,zhon=0,jieshu; printf("\n"); printf("\n"); printf("\n"); printf("\n"); printf("\n"); printf("\t\t\t\t----------------------------\n"); printf("\t\t\t\t请输入你所需商品代号\n"); printf("\t\t\t\t----------------------------\n"); printf("\t\t\t\t水果类：\n"); printf("\t\t\t\t----------------------------\n"); printf("\t\t\t\t01苹果 2元 02香蕉 1.5元 03橘子 0.3元 04雪梨 3元\n"); printf("\t\t\t\t----------------------------\n"); char a[3]; printf("\t\t\t\t"); gets(a); printf("一共%.0lf元\n",zhon); printf("\t\t\t\t----------------------------\n"); printf("\t\t\t\t谢谢惠顾!\n"); printf("\t\t\t\t----------------------------\n"); printf("\t\t\t\t输入1返回主菜单\n"); scanf("%lf",&jieshu);}int main(){ printf("\n"); printf("\n"); printf("\n"); printf("\n"); printf("\n"); int h; printf("\t\t\t\t欢迎光临!\n"); printf("\t\t\t\t----------------------------\n"); printf("\t\t\t\t请输入你想要的商品种类\n"); printf("\t\t\t\t----------------------------\n"); printf("\t\t\t\t想要水果类商品请输入1\n"); printf("\t\t\t\t----------------------------\n"); printf("\t\t\t\t想要生活类商品请输入2\n"); printf("\t\t\t\t----------------------------\n"); printf("\t\t\t\t"); scanf("%d",&h); if(h==1) { system("cls"); shuiguo(); } else if(h==2) { system("cls"); shenghuo(); } return 0;}

Answer 1

getchar();消除缓存

    getchar();
    gets(a);