RegEx captures the Sina weather forecast data !!!

/// <Summary>
/// One-day weather forecast for Sina
/// </Summary>
/// <Returns> </returns>
Public static xmldatadocument getsinaweather ()
{
// Http://weather.news.sina.com.cn/images/figureWeather/map/northEast.html
// Http://weather.news.sina.com.cn/images/figureWeather/map/eastOfChina.html
// Http://weather.news.sina.com.cn/images/figureWeather/map/northOfChina.html
// Http://weather.news.sina.com.cn/images/figureWeather/map/southOfChina.html
// Http://weather.news.sina.com.cn/images/figureWeather/map/southWest.html
// Http://weather.news.sina.com.cn/images/figureWeather/map/northWest.html

Xmldatadocument objxml = new xmldatadocument ();
Objxml. loadxml ("<root/> ");
// Northeast China
String content = getcontent ("http://weather.news.sina.com.cn/images/figureWeather/map/northEast.html", "gb2312 ");

// After capturing the content, start to analyze the data
RegEx;
Match MC;
Xmlelement objxmlcitylist = objxml. createelement ("citylist ");

String partten = "city :(? <City> [^ <] +) <br> weather :(? <Weather> [^ <] +) <br> temperature :(? <Temperature> [^ <] +) <br> wind direction :(? <Windway> [^ <] +) <br> Wind Power :(? <Wind> [^ <] +) <br> ";
RegEx = new RegEx (partten, regexoptions. Compiled | regexoptions. ignorecase );
Objxmlcitylist. setattribute ("vdatetime", datetime. Now. tow.datestring ());
// City: Harbin <br> weather: Cloudy to clear <br> temperature:-10 ℃ ~ -1 ℃ <br> wind direction: West Wind <br> Wind Power: less than 3 <br>
Int I = 1;
For (MC = RegEx. Match (content), I = 1; Mc. success; MC = mc. nextmatch (), I ++)
{
Try
{
Yesun. edzh. BLL. log. loghelper. writeerror (I + "," + MC. Groups ["city"]. value. Trim ());
Xmlelement objxmlelementcity = objxml. createelement ("city ");
Objxmlelementcity. setattribute ("orders", "1 ");
Objxmlelementcity. setattribute ("city", MC. Groups ["city"]. value. Trim ());
Objxmlelementcity. setattribute ("Weather", MC. Groups ["Weather"]. value. Trim ());
Objxmlelementcity. setattribute ("temperature", MC. Groups ["temperature"]. value. Trim ());
Objxmlelementcity. setattribute ("windway", MC. Groups ["windway"]. value. Trim ());
Objxmlelementcity. setattribute ("wind", MC. Groups ["wind"]. value. Trim ());
Objxmlcitylist. appendchild (objxmlelementcity );
}
Catch (exception ex)
{
Yesun. edzh. BLL. log. loghelper. writeerror (ex. Message );
}
}

// East
Content = getcontent ("http://weather.news.sina.com.cn/images/figureWeather/map/eastOfChina.html", "gb2312 ");
For (MC = RegEx. Match (content), I = 1; Mc. success; MC = mc. nextmatch (), I ++)
{
Try
{
Xmlelement objxmlelementcity = objxml. createelement ("city ");
Objxmlelementcity. setattribute ("orders", "2 ");
Objxmlelementcity. setattribute ("city", MC. Groups ["city"]. value. Trim ());
Objxmlelementcity. setattribute ("Weather", MC. Groups ["Weather"]. value. Trim ());
Objxmlelementcity. setattribute ("temperature", MC. Groups ["temperature"]. value. Trim ());
Objxmlelementcity. setattribute ("windway", MC. Groups ["windway"]. value. Trim ());
Objxmlelementcity. setattribute ("wind", MC. Groups ["wind"]. value. Trim ());
Objxmlcitylist. appendchild (objxmlelementcity );
}
Catch (exception ex)
{
Yesun. edzh. BLL. log. loghelper. writeerror (ex. Message );
}
}
// North
Content = getcontent ("http://weather.news.sina.com.cn/images/figureWeather/map/northOfChina.html", "gb2312 ");
For (MC = RegEx. Match (content), I = 1; Mc. success; MC = mc. nextmatch (), I ++)
{
Try
{
Yesun. edzh. BLL. log. loghelper. writeerror (I + "," + MC. Groups ["city"]. value. Trim ());
Xmlelement objxmlelementcity = objxml. createelement ("city ");
Objxmlelementcity. setattribute ("orders", "3 ");
Objxmlelementcity. setattribute ("city", MC. Groups ["city"]. value. Trim ());
Objxmlelementcity. setattribute ("Weather", MC. Groups ["Weather"]. value. Trim ());
Objxmlelementcity. setattribute ("temperature", MC. Groups ["temperature"]. value. Trim ());
Objxmlelementcity. setattribute ("windway", MC. Groups ["windway"]. value. Trim ());
Objxmlelementcity. setattribute ("wind", MC. Groups ["wind"]. value. Trim ());
Objxmlcitylist. appendchild (objxmlelementcity );
}
Catch (exception ex)
{
Yesun. edzh. BLL. log. loghelper. writeerror (ex. Message );
}
}

// South
Content = getcontent ("http://weather.news.sina.com.cn/images/figureWeather/map/southOfChina.html", "gb2312 ");
For (MC = RegEx. Match (content), I = 1; Mc. success; MC = mc. nextmatch (), I ++)
{
Try
{
Xmlelement objxmlelementcity = objxml. createelement ("city ");
Objxmlelementcity. setattribute ("orders", "4 ");
Objxmlelementcity. setattribute ("city", MC. Groups ["city"]. value. Trim ());
Objxmlelementcity. setattribute ("Weather", MC. Groups ["Weather"]. value. Trim ());
Objxmlelementcity. setattribute ("temperature", MC. Groups ["temperature"]. value. Trim ());
Objxmlelementcity. setattribute ("windway", MC. Groups ["windway"]. value. Trim ());
Objxmlelementcity. setattribute ("wind", MC. Groups ["wind"]. value. Trim ());
Objxmlcitylist. appendchild (objxmlelementcity );
}
Catch (exception ex)
{
Yesun. edzh. BLL. log. loghelper. writeerror (ex. Message );
}
}

// Nanxi
Content = getcontent ("http://weather.news.sina.com.cn/images/figureWeather/map/southWest.html", "gb2312 ");
For (MC = RegEx. Match (content), I = 1; Mc. success; MC = mc. nextmatch (), I ++)
{
Try
{
Xmlelement objxmlelementcity = objxml. createelement ("city ");
Objxmlelementcity. setattribute ("orders", "5 ");
Objxmlelementcity. setattribute ("city", MC. Groups ["city"]. value. Trim ());
Objxmlelementcity. setattribute ("Weather", MC. Groups ["Weather"]. value. Trim ());
Objxmlelementcity. setattribute ("temperature", MC. Groups ["temperature"]. value. Trim ());
Objxmlelementcity. setattribute ("windway", MC. Groups ["windway"]. value. Trim ());
Objxmlelementcity. setattribute ("wind", MC. Groups ["wind"]. value. Trim ());
Objxmlcitylist. appendchild (objxmlelementcity );
}
Catch (exception ex)
{
Yesun. edzh. BLL. log. loghelper. writeerror (ex. Message );
}
}

// North West
Content = getcontent ("http://weather.news.sina.com.cn/images/figureWeather/map/northWest.html", "gb2312 ");
For (MC = RegEx. Match (content), I = 1; Mc. success; MC = mc. nextmatch (), I ++)
{
Try
{
Xmlelement objxmlelementcity = objxml. createelement ("city ");
Objxmlelementcity. setattribute ("orders", "6 ");
Objxmlelementcity. setattribute ("city", MC. Groups ["city"]. value. Trim ());
Objxmlelementcity. setattribute ("Weather", MC. Groups ["Weather"]. value. Trim ());
Objxmlelementcity. setattribute ("temperature", MC. Groups ["temperature"]. value. Trim ());
Objxmlelementcity. setattribute ("windway", MC. Groups ["windway"]. value. Trim ());
Objxmlelementcity. setattribute ("wind", MC. Groups ["wind"]. value. Trim ());
Objxmlcitylist. appendchild (objxmlelementcity );
}
Catch (exception ex)
{
Yesun. edzh. BLL. log. loghelper. writeerror (ex. Message );
}
}
Partten = "city :(? <City> [^ <] +) <br> weather :(? <Weather> [^ <] +) <br> temperature :(? <Temperature> [^ <] +) <br> Wind Power :(? <Wind> [^ <] +) <br> ";
RegEx = new RegEx (partten, regexoptions. Compiled | regexoptions. ignorecase );
// North West City: Wuhan <br> weather: light rain to overcast <br> temperature: 10 ℃ ~ 16 ℃ <br> Wind Power: less than 3 <br>
Content = getcontent ("http://weather.news.sina.com.cn/images/figureWeather/map/wholeNation.html", "gb2312 ");
For (MC = RegEx. Match (content), I = 1; Mc. success; MC = mc. nextmatch (), I ++)
{
Try
{
Xmlelement objxmlelementcity = objxml. createelement ("city ");
Objxmlelementcity. setattribute ("orders", "7 ");
Objxmlelementcity. setattribute ("city", MC. Groups ["city"]. value. Trim ());
Objxmlelementcity. setattribute ("Weather", MC. Groups ["Weather"]. value. Trim ());
Objxmlelementcity. setattribute ("temperature", MC. Groups ["temperature"]. value. Trim ());
Objxmlelementcity. setattribute ("windway ","");
Objxmlelementcity. setattribute ("wind", MC. Groups ["wind"]. value. Trim ());
Objxmlcitylist. appendchild (objxmlelementcity );
}
Catch (exception ex)
{
Yesun. edzh. BLL. log. loghelper. writeerror (ex. Message );
}
}

Objxml. documentelement. appendchild (objxmlcitylist );

Return objxml;
}

/// <Summary>
/// Page capture Interface
/// </Summary>
/// <Param name = "url"> </param>
/// <Returns> </returns>
Private Static string getcontent (string URL, string encoding)
{
String STR = "";
WebClient client = new WebClient ();
Client. headers. add ("accept", "image/GIF, image/X-xbitmap, image/JPEG, image/pjpeg, application/X-Shockwave-flash, application/vnd. MS-Excel, application/vnd. MS-PowerPoint, application/MSWord ,*/*");
Client. headers. Add ("Accept-language", "ZH-CN ");
Client. headers. Add ("UA-CPU", "x86 ");
Client. headers. add ("User-Agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; sv1 ;. net CLR 1.1.4322 ;. net CLR 2.0.50727 )");
Try
{
Byte [] buffer = client. downloaddata (URL );
If (encoding = "UTF-8 ")
{
STR = system. Text. encoding. getencoding ("UTF-8"). getstring (buffer, 0, buffer. Length );
}
Else
{
STR = system. Text. encoding. getencoding ("gb2312"). getstring (buffer, 0, buffer. Length );
}
}
Catch (exception ex)
{
Yesun. edzh. BLL. log. loghelper. writeerror (ex. Message );
}
Return STR;
}