/// <summary> /// 登录 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void btnLogin_Click(object sender, EventArgs e) { try { if (string.IsNullOrEmpty(txtUser.Text)) { MessageBox.Show("请输入用户名!"); return; } if (string.IsNullOrEmpty(txtPsd.Text)) { MessageBox.Show("请输入密码!"); return; } lblmsg.Visible = true; BackgroundWorker bgwDownType1 = new BackgroundWorker(); bgwDownType1.WorkerReportsProgress = true; WebHelper webhelper = new WebHelper(); CommonExtensions.Cookies = new CookieContainer(); CommonExtensions.Userid = txtUser.Text.Trim(); CommonExtensions.Password = txtPsd.Text.Trim(); string postData = "macAddress=&loginname=" + CommonExtensions.GetUrlEncodeVal(txtUser.Text.Trim()) + "&password="******"&loginType=1"; string webCookie = ""; HtmlAgilityPack.HtmlDocument doc = null; cookies = new CookieContainer(); bgwDownType1.DoWork += (bsend, be) => { string retString = webhelper.PostHttp(baseUrl + "login.action", postData, "application/x-www-form-urlencoded", cookies); doc = HtmlHelper.GetHtmlDocument(retString); webCookie = webhelper.CookieInfo; }; bgwDownType1.RunWorkerCompleted += (bsend, be) => { string title = ""; var node = doc != null?doc.DocumentNode.SelectSingleNode("//title") : null; if (node != null) { title = node.InnerText; } if (title.Contains("首页")) { FrmMain ft = new FrmMain(); ft.SysCookie = cookiesStr; ft.SysCookieContainer = cookies; ft.ShowDialog(); } else { MessageBox.Show("登陆失败!"); return; } }; bgwDownType1.RunWorkerAsync(); } catch (Exception ex) { MessageBox.Show(ex.Message); } }