摘要：
public string CaculateWeekDay(DateTime dtNow) { var weekdays = new string[] { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" }; return weekdays[(int) 阅读全文
摘要：
public partial class StringHelper { #region " LetterItem " private class LetterItem { private String fLetter; private Int64 fMinValue; private Int64 f 阅读全文