用C#讀取sina天氣預報到wap頁面

　　＜%@ Register TagPrefix=mobile
            Namespace=SystemWebUIMobileControls
            Assembly=SystemWebMobile %＞＜%@ Page language=c#
            Codebehind=weatheraspxcs Inherits=goodwaplifeweather
            AutoEventWireup=false %＞＜mobile:form id=Form runat=server＞
            ＜FONT face=宋體＞
            ＜mobile:Label id=Label runat=server
            FontBold=True＞【生活資訊】＜/mobile:Label＞
            ＜mobile:Label id=Label runat=server
            FontItalic=True＞==天氣預報==＜/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_w runat=server＞＜/mobile:Label＞
            ＜mobile:Label id=l_w runat=server＞＜/mobile:Label＞
            ＜mobile:Label id=l_w runat=server＞＜/mobile:Label＞
            ＜mobile:Label id=Label runat=server＞【請選擇城市名】＜/mobile:Label＞
            ＜mobile:SelectionList id=s_weather runat=server＞
            ＜Item Value=深圳 Text=深圳 Selected=True＞＜/Item＞
            ＜Item Value=廣州 Text=廣州＞＜/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=武漢 Text=武漢＞＜/Item＞
            ＜Item Value=重慶 Text=重慶＞＜/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=澳門 Text=澳門＞＜/Item＞
            ＜/mobile:SelectionList＞
            ＜mobile:Command id=Command runat=server＞查詢＜/mobile:Command＞
            ＜mobile:Link id=Link runat=server
            NavigateUrl=/defaultaspx#Goodview＞首
            頁＜/mobile:Link＞＜/FONT＞＜/mobile:form＞

　　public class weather : SystemWebUIMobileControlsMobilePage
            {
            protected SystemWebUIMobileControlsLabel Label;
            protected SystemWebUIMobileControlsLabel Label;
            protected SystemWebUIMobileControlsSelectionList s_weather;
            protected SystemWebUIMobileControlsLabel l_date;
            protected SystemWebUIMobileControlsLabel l_city;
            protected SystemWebUIMobileControlsLabel l_wea;
            protected SystemWebUIMobileControlsLabel l_sky;
            protected SystemWebUIMobileControlsLabel l_w;
            protected SystemWebUIMobileControlsLabel l_w;
            protected SystemWebUIMobileControlsLabel l_w;
            protected SystemWebUIMobileControlsLink Link;
            protected SystemWebUIMobileControlsCommand Command;
            protected SystemWebUIMobileControlsLabel Label;
            protected SystemWebUIMobileControlsForm Form;

　　private void Page_Load(object sender SystemEventArgs e)
            {
            // 在此處放置用戶代碼以初始化頁面
            if (!PageIsPostBack)
            {
            string city = 深圳;
            int startstop;
            string weatherweatherwea;
            string wea_city = weather_city(city);
            wea_city = wea_cityReplace( );

start = wea_cityIndexOf(wea_cityLength);
 stop = wea_cityIndexOf( start);
 weather = wea_citySubstring(start stopstart)Trim() + ;
 weather = weatherSubstring()Trim();

start =
 wea_cityIndexOf(<td>wea_cityLength);
 stop = wea_cityIndexOf(℃start) + ;
 weather = wea_citySubstring(start stopstart);
 weather = weatherSubstring(stopstart)Trim();
 weather = weatherReplace( );

start = wea_cityIndexOf(<fontcolor=#>
 wea_cityLength);
 stop = wea_cityIndexOf(start);
 wea = wea_citySubstring(startstopstart);
 wea = weaSubstring(weaLength) + kbrk;
 wea = weaReplace( );
 wea = weaReplace(> k);
 wea = weaReplace(< k);
 wea = weaReplace(kbrk k);
 string [] wall = null;
 char[] seperator = {k};
 wall = weaSplit(seperator);

　　/**///////////////////////////////////////
            l_cityText = [城市] + city;
            l_weaText = [天氣] + weather;
            l_skyText = [溫度] + weather;
            /**////////
            l_dateText = wall[];
            l_wText = wall[];
            l_wText = wall[];
            l_wText = wall[];
            }
            }

　　Web 窗體設計器生成的代碼#region Web 窗體設計器生成的代碼
            override protected void OnInit(EventArgs e)
            {
            //
            // CODEGEN: 該調用是 ASPNET Web 窗體設計器所必需的
            //
            InitializeComponent();
            baseOnInit(e);
            }

/**//// <summary>
 /// 設計器支持所需的方法不要使用代碼編輯器修改
 /// 此方法的內容
 /// </summary>
 private void InitializeComponent()
 {
 thisCommandClick += new SystemEventHandler(thisCommand_Click);
 thisLoad += new SystemEventHandler(thisPage_Load);

　　}
#endregion

　　private void Command_Click(object sender SystemEventArgs e)
            {
            string city = s_weatherSelectionValueTrim();
            int startstop;
            string weatherweatherwea;
            string wea_city = weather_city(city);
            wea_city = wea_cityReplace( );

public string weather_city(string city)
 {
 string temp = null;
 try
 {
 string strURL =
 bin/figureWeather/searchcgi;
 HttpWebRequest request;
 request = (HttpWebRequest)WebRequestCreate(strURL);
 requestMethod=POST; //Post請求方式
 requestContentType=application/xwwwformurlencoded; //內容類型
 string paraUrlCoded = SystemWebHttpUtilityUrlEncode(city);
 //參數經過URL編碼
 paraUrlCoded = paraUrlCoded + = +
 SystemWebHttpUtilityUrlEncode(city
 SystemTextEncodingGetEncoding(GB));
 byte[] payload;
 payload =
 SystemTextEncodingGetEncoding(GB)GetBytes(paraUrlCoded);
 //將URL編碼後的字符串轉化為字節
 requestContentLength = payloadLength; //設置請求的ContentLength
 Stream writer = requestGetRequestStream(); //獲得請求流
 writerWrite(payloadpayloadLength); //將請求參數寫入流
 writerClose(); //關閉請求流
 HttpWebResponse response;
 response = (HttpWebResponse)requestGetResponse(); //獲得響應流
 Stream s;
 s = responseGetResponseStream();
 StreamReader objReader = new
 StreamReader(sSystemTextEncodingGetEncoding(GB));
 string HTML = ;
 string sLine = ;
 int i = ;
 while (sLine!=null)
 {
 i++;
 sLine = objReaderReadLine();
 if (sLine!=null)
 HTML += sLine;
 }
 HTML = HTMLReplace(<<);
 HTML = HTMLReplace(>>);
 int startstop;
 start = HTMLIndexOf(<img
 src=HTMLLength);
 stop = HTMLIndexOf(<td
 background=start);
 temp = HTMLSubstring(start stop start);
 }
 catch (Exception x)
 {
 }
 return temp;
 }
 }

From:http://tw.wingwit.com/Article/program/net/201311/11568.html