网页抓取类

// --需要引用usingSystem.Net以及usingSystem.IO;
private string GetContentFromUrll( string _requestUrl)
{
string _StrResponse = "" ;
HttpWebRequest_WebRequest = (HttpWebRequest)WebRequest.Create(_requestUrl);
_WebRequest.Method = " GET " ;
WebResponse_WebResponse = _WebRequest.GetResponse();
StreamReader_ResponseStream = new StreamReader(_WebResponse.GetResponseStream(),System.Text.Encoding.GetEncoding( " gb2312 " ));
_StrResponse = _ResponseStream.ReadToEnd();
_WebResponse.Close();
_ResponseStream.Close();
return _StrResponse;
}