主攻ASP.NET.3.5.MVC3.0架构之重生:自定义农历日期天气格式Helper

效果图

       #region 获取IP地址
        /// <summary>
        /// 获取IP地址
        /// </summary>
        /// <returns></returns>
        public static string GetIpAddress()
        {
            //获取IP地址
            string IpString = StringHelper.GetHtmlContentByUrl("http://iframe.ip138.com/ic.asp", "gb2312");
            string regcityString = @"\[(.*)\]";
            string IpAddress = StringHelper.Reg(regcityString, IpString, 1);
            return IpAddress;
        }
        #endregion

        #region 获取当天星期农历
        /// <summary>
        /// 获取当天星期农历
        /// </summary>
        /// <returns></returns>
        public static string GetDataString()
        {
            string dataString = StringHelper.GetHtmlContentByUrl("http://www.nongli114.com/", "gb2312");

            //获取当天星期几
            string regString = @"</b> ([^)]*?)</td>";
            string data = StringHelper.Reg(regString, dataString, 1);

            //获取当天农历
            string regAString = @"<div id=""span_select_lunar_month"">([^)]*?)</div>";
            string dataA = StringHelper.Reg(regAString, dataString, 1);

            string regBString = @"<div id=""span_select_lunar_day"">([^)]*?)</div>";
            string dataB = StringHelper.Reg(regBString, dataString, 1);
            string dataForString = data+" "+"农历" + dataA + "月" + dataB + "日";
            return dataForString;
        }
        #endregion

        #region 获取地方天气
        /// <summary>
        /// 获取地方天气
        /// </summary>
        /// <returns></returns>
        public static string GetWeatherString()
        {
            //获取地方天气

            //string weatherAString = StringHelper.GetHtmlContentByUrl("http://61.4.185.48:81/g/","gb2312");
            //string weatherReg = @"id=([^)]*?);if";
            //string weatherID = StringHelper.Reg(weatherReg, weatherAString, 1);
            string weatherID = "101200101";//获取武汉天气
            string weatherBString = StringHelper.GetHtmlContentByUrl("http://m.weather.com.cn/data/" + weatherID + ".html", "utf-8");
            string cityReg = @"""city"":""([^)]*?)""";
            string cityString = StringHelper.Reg(cityReg, weatherBString, 1);

            string weather1Reg = @"""weather1"":""([^)]*?)""";
            string weather1String = StringHelper.Reg(weather1Reg, weatherBString, 1);

            string temp1Reg = @"""temp1"":""([^)]*?)""";
            string temp1String = StringHelper.Reg(temp1Reg, weatherBString, 1);
            string weatherString = cityString + weather1String + temp1String;
            return weatherString;
        }
        #endregion
       

补代码

 #region 过滤匹配字符串
        /// <summary>
        /// 过滤匹配字符串
        /// </summary>
        /// <param name="regexstr">正则表达式</param>
        /// <param name="codestr">HTML/CODE/STRING</param>
        /// <returns></returns>
        public static string Reg(string regexstr, string codestr, int index)
        {
            Regex VIEWSTATERegex = new Regex(regexstr);
            MatchCollection VIEWSTATEMatchResult = VIEWSTATERegex.Matches(codestr);
            string regstr = "";
            foreach (Match vmr in VIEWSTATEMatchResult)
            {
                regstr = vmr.Groups[index].Value.ToString();
            }
            return regstr;
        }
        #endregion

        /// <summary>  
        /// 根据url获取网站HTML内容   
        /// </summary>    
        /// <param name="url">网址</param>
        /// <param name="url">编码</param>
        /// <returns>获取网站HTML内容</returns>   

        public static string GetHtmlContentByUrl(string url, string encode)
        {

            var htmlContent = string.Empty;

            var httpWebRequest = (HttpWebRequest)WebRequest.Create(url);

            httpWebRequest.Timeout = 10000000;

            var httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();

            var stream = httpWebResponse.GetResponseStream();

            if (stream != null)
            {

                var streamReader = new StreamReader(stream, Encoding.GetEncoding(encode));

                htmlContent = streamReader.ReadToEnd();

                streamReader.Close();

                streamReader.Dispose();

                stream.Close();

                stream.Dispose();

            }

            httpWebResponse.Close();

            return htmlContent;

        }