/// <summary>
/// 把日期转换成星期
/// <para>
/// 可以采用 默认的方法:0123456 或者采用 1234567
/// </para>
/// </summary>
/// <param name="DT">待处理</param>
/// <param name="blnDefault"><para>true:默认1234560</para><para>false:1234567</para></param>
/// <returns>对应的星期整数</returns>
public static int Exp_ToWeek(this DateTime DT, bool blnDefault)
{
DayOfWeek dw = DT.DayOfWeek;
if (blnDefault)
{
return(dw.Exp_To <int>());
}
else
{
switch (dw)
{
case DayOfWeek.Monday:
return(1);
case DayOfWeek.Tuesday:
return(2);
case DayOfWeek.Wednesday:
return(3);
case DayOfWeek.Thursday:
return(4);
case DayOfWeek.Friday:
return(5);
case DayOfWeek.Saturday:
return(6);
default: // DayOfWeek.Sunday:
return(7);
}
}
}