//控制台输入整型数字1～4，然后对应输出四个季节
int number = 0;
printf("输入整型数字1～4:");
scanf("%d",&number);
switch (number) {
case 1:
printf("spring");
break;
case 2:
printf("summer");
break;
case 3:
printf("autumn");
break;
case 4:
printf("winter");
break;
default:
printf("wrong");
break;
}