/// <summary>
        /// 过滤字符串中的html代码
        /// </summary>
        /// <param name="Str">传入字符串</param>
        /// <returns>过滤后的字符串</returns>
        public static string LostHTML(string Str)
        {
            string Re_Str = "";
            if (Str != null)
            {
                if (Str != string.Empty)
                {
                    string Pattern = "<\\/*[^<>]*>";
                    Re_Str = Regex.Replace(Str, Pattern, "");
                }
            }
            return (Re_Str.Replace("\\r\\n", "")).Replace("\\r", "");
        }