输入年份和月份，输出月份天数

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    作者：软件技术二班B28   问题描述;输入年份和月份，输出天数   输入：年份和月数     输出 ;天数<pre name="code" class="csharp">namespace ConsoleApplication41{    class Program    {        static void Main(string[] args)        {            ////输入年份月份判断天数                   int year = 0, month = 0, days = 0;            Console.WriteLine("请输入年份");            year = int.Parse(Console.ReadLine());            Console.WriteLine("请输入月份");            month = int.Parse(Console.ReadLine());            switch (month)            {                case 1:                case 3:                case 5:                case 7:                case 8:                case 10:                case 12: days = 31; break;                case 4:                case 6:                case 9:                case 11: days = 30; break;                case 2:                    if ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0)) days = 29;                    else days = 28;                    break;            }                     Console.WriteLine("{0}年{1}月有{2}天", year, month, days);            Console.ReadKey(true);        }    }}

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