【IT168技术文档】
＜%@ Register TagPrefix="mobile" Namespace="System.Web.UI.MobileControls" Assembly="System.Web.Mobile" %＞＜%@ Page language="c#" Codebehind="weather.aspx.cs" Inherits="goodwap.life.weather" AutoEventWireup="false" %＞＜mobile:form id="Form1" runat="server"＞ ＜FONT face="宋体"＞ ＜mobile:Label id="Label3" runat="server" Font-Bold="True"＞【生活资讯】＜/mobile:Label＞ ＜mobile:Label id="Label1" runat="server" Font-Italic="True"＞==天气预报==＜/mobile:Label＞ ＜mobile:Label id="l_date" runat="server"＞＜/mobile:Label＞ ＜mobile:Label id="l_city" runat="server"＞＜/mobile:Label＞ ＜mobile:Label id="l_wea" runat="server"＞＜/mobile:Label＞ ＜mobile:Label id="l_sky" runat="server"＞＜/mobile:Label＞ ＜mobile:Label id="l_w1" runat="server"＞＜/mobile:Label＞ ＜mobile:Label id="l_w2" runat="server"＞＜/mobile:Label＞ ＜mobile:Label id="l_w3" runat="server"＞＜/mobile:Label＞ ＜mobile:Label id="Label2" runat="server"＞【请选择城市名】：＜/mobile:Label＞ ＜mobile:SelectionList id="s_weather" runat="server"＞ ＜Item Value="深圳" Text="深圳" Selected="True"＞＜/Item＞ ＜Item Value="广州" Text="广州"＞＜/Item＞ ＜Item Value="上海" Text="上海"＞＜/Item＞ ＜Item Value="北京" Text="北京"＞＜/Item＞ ＜Item Value="天津" Text="天津"＞＜/Item＞ ＜Item Value="武汉" Text="武汉"＞＜/Item＞ ＜Item Value="重庆" Text="重庆"＞＜/Item＞ ＜Item Value="成都" Text="成都"＞＜/Item＞ ＜Item Value="南京" Text="南京"＞＜/Item＞ ＜Item Value="香港" Text="香港"＞＜/Item＞ ＜Item Value="澳门" Text="澳门"＞＜/Item＞ ＜/mobile:SelectionList＞ ＜mobile:Command id="Command1" runat="server"＞查 询＜/mobile:Command＞ ＜mobile:Link id="Link1" runat="server" NavigateUrl="../default.aspx#Goodview"＞首 页＜/mobile:Link＞＜/FONT＞＜/mobile:form＞
public class weather : System.Web.UI.MobileControls.MobilePage ...{ protected System.Web.UI.MobileControls.Label Label1; protected System.Web.UI.MobileControls.Label Label2; protected System.Web.UI.MobileControls.SelectionList s_weather; protected System.Web.UI.MobileControls.Label l_date; protected System.Web.UI.MobileControls.Label l_city; protected System.Web.UI.MobileControls.Label l_wea; protected System.Web.UI.MobileControls.Label l_sky; protected System.Web.UI.MobileControls.Label l_w1; protected System.Web.UI.MobileControls.Label l_w2; protected System.Web.UI.MobileControls.Label l_w3; protected System.Web.UI.MobileControls.Link Link1; protected System.Web.UI.MobileControls.Command Command1; protected System.Web.UI.MobileControls.Label Label3; protected System.Web.UI.MobileControls.Form Form1; private void Page_Load(object sender, System.EventArgs e) ...{ // 在此处放置用户代码以初始化页面 if (!Page.IsPostBack) ...{ string city = "深圳"; int start,stop; string weather1,weather2,wea; string wea_city = weather_city(city); wea_city = wea_city.Replace(" ",""); start = wea_city.IndexOf("<b>",0,wea_city.Length); stop = wea_city.IndexOf("</b>", start); weather1 = wea_city.Substring(start, stop-start).Trim() + " "; weather1 = weather1.Substring(3,8).Trim(); start = wea_city.IndexOf("<tdstyle="font-size:40px; font-family:TimesNewRoman;font-weight:bold;">",0,wea_city.Length); stop = wea_city.IndexOf("℃",start) + 40; weather2 = wea_city.Substring(start, stop-start); weather2 = weather2.Substring(stop-start-42,40).Trim(); weather2 = weather2.Replace(" ",""); start = wea_city.IndexOf("<fontcolor=#183888><b>", 0, wea_city.Length); stop = wea_city.IndexOf("</b></font>",start); wea = wea_city.Substring(start,stop-start); wea = wea.Substring(22,wea.Length-22) + "kbrk"; wea = wea.Replace(" ", ""); wea = wea.Replace(">", "k"); wea = wea.Replace("<", "k"); wea = wea.Replace("kbrk", "k"); string [] wall = null; char[] seperator = ...{'k'}; wall = wea.Split(seperator); /**/////////////////////////////////////// l_city.Text = "[城市]：" + city; l_wea.Text = "[天气]：" + weather1; l_sky.Text = "[温度]：" + weather2; /**//////// l_date.Text = wall[0]; l_w1.Text = wall[1]; l_w2.Text = wall[2]; l_w3.Text = wall[3]; } } Web 窗体设计器生成的代码#region Web 窗体设计器生成的代码 override protected void OnInit(EventArgs e) ...{ // // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。 // InitializeComponent(); base.OnInit(e); } /**//// <summary> /// 设计器支持所需的方法 - 不要使用代码编辑器修改 /// 此方法的内容。 /// </summary> private void InitializeComponent() ...{ this.Command1.Click += new System.EventHandler(this.Command1_Click); this.Load += new System.EventHandler(this.Page_Load); } #endregion private void Command1_Click(object sender, System.EventArgs e) ...{ string city = s_weather.Selection.Value.Trim(); int start,stop; string weather1,weather2,wea; string wea_city = weather_city(city); wea_city = wea_city.Replace(" ",""); start = wea_city.IndexOf("<b>",0,wea_city.Length); stop = wea_city.IndexOf("</b>", start); weather1 = wea_city.Substring(start, stop-start).Trim() + " "; weather1 = weather1.Substring(3,8).Trim(); start = wea_city.IndexOf("<tdstyle="font-size:40px; font-family:TimesNewRoman;font-weight:bold;">",0,wea_city.Length); stop = wea_city.IndexOf("℃",start) + 40; weather2 = wea_city.Substring(start, stop-start); weather2 = weather2.Substring(stop-start-42,40).Trim(); weather2 = weather2.Replace(" ",""); start = wea_city.IndexOf("<fontcolor=#183888><b>", 0, wea_city.Length); stop = wea_city.IndexOf("</b></font>",start); wea = wea_city.Substring(start,stop-start); wea = wea.Substring(22,wea.Length-22) + "kbrk"; wea = wea.Replace(" ", ""); wea = wea.Replace(">", "k"); wea = wea.Replace("<", "k"); wea = wea.Replace("kbrk", "k"); string [] wall = null; char[] seperator = ...{'k'}; wall = wea.Split(seperator); /**/////////////////////////////////////// l_city.Text = "[城市]：" + city; l_wea.Text = "[天气]：" + weather1; l_sky.Text = "[温度]：" + weather2; /**//////// l_date.Text = wall[0]; l_w1.Text = wall[1]; l_w2.Text = wall[2]; l_w3.Text = wall[3]; } public string weather_city(string city) ...{ string temp = null; try ...{ string strURL = "http://weather.news.sina.com.cn/cgi-bin/figureWeather/search.cgi"; HttpWebRequest request; request = (HttpWebRequest)WebRequest.Create(strURL); request.Method="POST"; //Post请求方式 request.ContentType="application/x-www-form-urlencoded"; //内容类型 string paraUrlCoded = System.Web.HttpUtility.UrlEncode("city"); //参数经过URL编码 paraUrlCoded = paraUrlCoded + "=" + System.Web.HttpUtility.UrlEncode(city, System.Text.Encoding.GetEncoding("GB2312")); byte[] payload; payload = System.Text.Encoding.GetEncoding("GB2312").GetBytes(paraUrlCoded); //将URL编码后的字符串转化为字节 request.ContentLength = payload.Length; //设置请求的ContentLength Stream writer = request.GetRequestStream(); //获得请求流 writer.Write(payload,0,payload.Length); //将请求参数写入流 writer.Close(); //关闭请求流 HttpWebResponse response; response = (HttpWebResponse)request.GetResponse(); //获得响应流 Stream s; s = response.GetResponseStream(); StreamReader objReader = new StreamReader(s,System.Text.Encoding.GetEncoding("GB2312")); string HTML = ""; string sLine = ""; int i = 0; while (sLine!=null) ...{ i++; sLine = objReader.ReadLine(); if (sLine!=null) HTML += sLine; } HTML = HTML.Replace("<","<"); HTML = HTML.Replace(">",">"); int start,stop; start = HTML.IndexOf("<img src="http://image2.sina.com.cn/dy/weather/images/figure/",0,HTML.Length); stop = HTML.IndexOf("<td background=http://image2.sina.com.cn/dy/weather/images",start); temp = HTML.Substring(start, stop - start); } catch (Exception x) ...{ } return temp; } }
