#代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication2
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine("请输入一个年份");
int year = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("请输入一个月份");
int month = Convert.ToInt32(Console.ReadLine());
if (month >= 1 && month <= 12)
{
int day = 0;//存储天数
switch (month)
{
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12: day = 31;
break;
case 2:
if ((year % 400 == 0) || (year % 4 == 0 && year % 100 != 0))
{
day = 29;
}
else
{
day = 28;
}
break;
default: day = 30;
break;
}//swich
Console.WriteLine("{0}年{1}月有{2}天", year, month, day);
}//if
else
{
Console.WriteLine("月份必须在1~12月之间，程序退出！！！");
}
Console.ReadKey();
}
}
}
#效果
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