利用正则表达式将html网页数据变成Web Service

}

base.Dispose(disposing);

}

#endregion

[WebMethod]

public XmlDataDocument GetForeignExchangeRates()

{

return getXmlDoc();

}

[WebMethod]

public DataSet GetForeignExchangeRatesDataSet()

{

return getXmlDoc().DataSet;

}

[WebMethod]

public string GetBankPage()

{

return getWebContent( "http://www.bank-of-china.com/info/whjrpj.html" );

}

// private methods

private string getWebContent( string url )

{

using( WebClient client = new WebClient() )

{

byte[] buffer = client.DownloadData( url );

string str = Encoding.GetEncoding("GB2312").GetString( buffer, 0, buffer.Length );

return str;

}

}

private XmlDataDocument getXmlDoc()