fenby C语言 P13

开关语句switch（变量）

switch(weekday)

            ↓

          数字

default:异常处理

case-break

#include <stdio.h>

int main()

{

int weekday=3;

switch(weekday)

{

case 1:

printf("today is Monday\n");

break;

case 2:

printf("today is Tuesday\n");

break;

case 3:

printf("today is Wednesday\n");

break;

case 4:

printf("today is Thursday\n");

break;

case 5:

printf("today is Friday\n");

break;

case 6:

printf("today is Saturday\n");

break;

case 7:

printf("today is Sunday\n");

break;

default:

printf("You write the wrong number！");

break;

}

return 0;

}