摘要：public DateTime GetLastDayOfMonth(int Year, int Month){ //这里的关键就是 DateTime.DaysInMonth 获得一个月中的天数 int Days = DateTime.DaysInMonth(Year, Month); return Convert.ToDateTime(Year.ToString() + "-" + Month.ToString() + "-" + Days.ToString());} 阅读全文

摘要：/// <summary>/// 截断字符串/// </summary>/// <param name="source">源字符串</param>/// <param name="length">截取长度</param>/// <param name="isAddEllipsis">结尾是否带有省略号（省略号占用2个长度）</param>/// <returns></returns>public static str 阅读全文

摘要：/// <summary>/// MD5加密/// </summary>/// <param name="source"></param>/// <returns></returns>public static string EncryptByMd5(string source){ return FormsAuthentication.HashPasswordForStoringInConfigFile(source, "MD5");}/// <summary>/// D 阅读全文