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
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
