抓取论坛数据

Question

http://blog.csdn.net/xuwenwu/article/details/6009678

Answer 1

http://www.cnblogs.com/yzpang/archive/2011/09/23/2186162.htmlhttp://www.cnblogs.com/wyux6868/archive/2009/11/11/1601140.html

Answer 2

抓取博客园首页推荐文章示例，可以参考一下：
HttpWebRequest httpWebRequest = WebRequest.Create(@"http://www.cnblogs.com") as HttpWebRequest;
HttpWebResponse httpWebResponse = httpWebRequest.GetResponse() as HttpWebResponse;
Stream stream = httpWebResponse.GetResponseStream();
StreamReader reader = new StreamReader(stream, Encoding.UTF8);
string s = reader.ReadToEnd();
reader.Close();
stream.Close();
httpWebResponse.Close();
HtmlDocument htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(s);
HtmlNodeCollection anchors = htmlDoc.DocumentNode.SelectNodes(@"//a[@class='titlelnk']");
foreach (HtmlNode anchor in anchors)
Response.Write(anchor.InnerHtml + "<br/>");
Response.End();