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("\t",""); 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("\t", ""); 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]; } } #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("\t",""); 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("\t", ""); 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; } } 
|