主要内容:计算今天是星期几?
#region 根据年月日计算星期几(Label2.Text=CaculateWeekDay(2004,12,9);)
/// <summary>
/// 根据年月日计算星期几(Label2.Text=CaculateWeekDay(2004,12,9);)
/// </summary>
/// <param name="y">年</param>
/// <param name="m">月</param>
/// <param name="d">日</param>
/// <returns></returns>
public static string CaculateWeekDay(int y,int m, int d)
{
if(m==1) m=13;
if(m==2) m=14;
int week=(d+2*m+3*(m+1)/5+y+y/4-y/100+y/400)%7+1;
string weekstr="";
switch(week)
{
case 1: weekstr="星期一"; break;
case 2: weekstr="星期二"; break;
case 3: weekstr="星期三"; break;
case 4: weekstr="星期四"; break;
case 5: weekstr="星期五"; break;
case 6: weekstr="星期六"; break;
case 7: weekstr="星期日"; break;
}
return weekstr;
}
#endregion
博客地址:http://blog.csdn.net/zhongzhengfeng/article/details/3583156 |