public bool AutoLogout() { HttpResult result = new HttpResult(); try { var item = new HttpItem() { URL = "http://www.qichacha.com/user_logout", Method = "get", //URL 可选项 默认为Get ContentType = "text/html", //返回类型 可选项有默认值 //Timeout = Settings.Timeout, Cookie = curCookie }; SimpleCrawler.HttpHelper http = new SimpleCrawler.HttpHelper(); result = http.GetHtml(item); } catch (WebException ex) { } catch (TimeoutException ex) { } catch (Exception ex) { } if (result.StatusCode == HttpStatusCode.OK) { // ShowMessageInfo("退出成功"); // this.webBrowser.Navigate(addCredsToUri(this.textBox.Text)); return(true); } else { // ShowMessageInfo("退出失败"); return(false); } }