.net工具类——URL处理

        #region URL处理

        /// <summary>
        /// URL字符编码
        /// </summary>
        public static string UrlEncode(string str)
        {
            if (string.IsNullOrEmpty(str))
            {
                return "";
            }
            str = str.Replace("'", "");
            return HttpContext.Current.Server.UrlEncode(str);
        }

        /// <summary>
        /// URL字符解码
        /// </summary>
        public static string UrlDecode(string str)
        {
            if (string.IsNullOrEmpty(str))
            {
                return "";
            }
            if (str.Contains("%B7"))
            {
                str = str.Replace("%B7", "·");
            }
            return HttpContext.Current.Server.UrlDecode(str);
        }

        /// <summary>
        /// 组合URL参数
        /// </summary>
        /// <param name="_url">页面地址</param>
        /// <param name="_keys">参数名称</param>
        /// <param name="_values">参数值</param>
        /// <returns>String</returns>
        public static string CombUrlTxt(string _url, string _keys, params string[] _values)
        {
            StringBuilder urlParams = new StringBuilder();
            try
            {
                string[] keyArr = _keys.Split(new char[] { '&' });
                for (int i = 0; i < keyArr.Length; i++)
                {
                    if (!string.IsNullOrEmpty(_values[i]) && _values[i] != "0")
                    {
                        _values[i] = UrlEncode(_values[i]);
                        urlParams.Append(string.Format(keyArr[i], _values) + "&");
                    }
                }
                if (!string.IsNullOrEmpty(urlParams.ToString()) && _url.IndexOf("?") == -1)
                    urlParams.Insert(0, "?");
            }
            catch
            {
                return _url;
            }
            return _url + DelLastChar(urlParams.ToString(), "&");
        }

        #endregion