public void Showad() { string pageHtml; try { WebClient MyWebClient = new WebClient(); MyWebClient.Credentials = CredentialCache.DefaultCredentials; //获取或设置用于对向Internet资源的请求进行身份验证的网络凭据。 byte[] pageData = MyWebClient.DownloadData("http://bbs.luobotou.org/app/wintogo.txt"); //从指定网站下载数据 //MyWebClient.DownloadString() pageHtml = Encoding.UTF8.GetString(pageData); int index = pageHtml.IndexOf("announcement="); int indexbbs = pageHtml.IndexOf("bbs="); if (pageHtml.Substring(index + 13, 1) != "0" && MsgManager.ci.EnglishName != "English") { if (pageHtml.Substring(indexbbs + 4, 1) == "1") { //string pageHtml; //WebClient MyWebClient2 = new WebClient(); MyWebClient.Credentials = CredentialCache.DefaultCredentials; //获取或设置用于对向Internet资源的请求进行身份验证的网络凭据。 byte[] pageData1 = MyWebClient.DownloadData("http://bbs.luobotou.org/portal.php"); //从指定网站下载数据 pageHtml = Encoding.UTF8.GetString(pageData1); #region 正则表达式实现 Match matchArticles = Regex.Match(pageHtml, @"<ul><li><a href=[\W\w]+?</li></ul>"); MatchCollection matches = Regex.Matches(matchArticles.Groups[0].Value, @"<li><a href=""(.+?)"".+?>(.+?)</a></li>"); for (int i = 0; i < matches.Count; i++) { TopicLink[i] = matches[i].Groups[1].Value; TopicName[i] = matches[i].Groups[2].Value; } #endregion //int index1 = pageHtml.IndexOf("<ul><li><a href="); //for (int i = 0; i < 10; i++) //{ // int LinkStartIndex = pageHtml.IndexOf("<li><a href=", index1) + 13; // int LinkEndIndex = pageHtml.IndexOf("\"", LinkStartIndex); // int TitleStartIndex = pageHtml.IndexOf("title=", LinkEndIndex) + 7; // int TitleEndIndex = pageHtml.IndexOf("\"", TitleStartIndex); // topicLink[i] = pageHtml.Substring(LinkStartIndex, LinkEndIndex - LinkStartIndex); // topicName[i] = pageHtml.Substring(TitleStartIndex, TitleEndIndex - TitleStartIndex); // index1 = LinkEndIndex; // //topicstring // //int adprogram = index1 + Application.ProductName.Length + 1; //} } //string pageHtml1; //WebClient MyWebClient1 = new WebClient(); //MyWebClient1.Credentials = CredentialCache.DefaultCredentials;//获取或设置用于对向Internet资源的请求进行身份验证的网络凭据。 //MyWebClient1.Encoding = Encoding.UTF8; pageHtml = MyWebClient.DownloadString("http://bbs.luobotou.org/app/announcement.txt"); Match match = Regex.Match(pageHtml, Application.ProductName + "=(.+)~(.+)结束"); string adlink = match.Groups[2].Value; string adtitle = match.Groups[1].Value; linkLabel.Invoke(new Action(() => { linkLabel.Text = adtitle; linkLabel.Visible = true; })); linkLabel.Tag = adlink; } } catch (Exception ex) { Log.WriteLog("ShowAdError.log", ex.ToString()); } }