/// <summary> /// 判断管理员是否已经登录(解决Session超时问题) /// </summary> public bool IsAdminLogin() { //如果Session为Null if (Session["AdminNo"] != null && Session["AdminName"] != null && Session["AdminLevel"] != null && Session["AdminType"] != null) { return(true); } else { //检查Cookies string adminname = Utils.GetCookie("AdminName", "DtCms"); //解密用户名 string adminpwd = Utils.GetCookie("AdminPwd", "DtCms"); if (adminname != "" && adminpwd != "") { adminname = DESEncrypt.Decrypt(adminname); //解密用户名 DtCms.BLL.Administrator bll = new DtCms.BLL.Administrator(); if (bll.chkAdminLogin(adminname, adminpwd)) { DtCms.Model.Administrator model = new DtCms.Model.Administrator(); model = bll.GetModel(adminname); Session["AdminNo"] = model.Id; Session["AdminName"] = model.UserName; Session["AdminType"] = model.UserType; Session["AdminLevel"] = model.UserLevel; return(true); } } } return(false); }
protected void loginsubmit_Click(object sender, ImageClickEventArgs e) { string UserName = txtUserName.Text.Trim(); string UserPwd = txtUserPwd.Text.Trim(); if (UserName.Equals("") || UserPwd.Equals("")) { lbMsg.Text = "请输入您要登录用户名或密码"; } else { if (Session["AdminLoginSun"] == null) { Session["AdminLoginSun"] = 1; } else { Session["AdminLoginSun"] = Convert.ToInt32(Session["AdminLoginSun"]) + 1; } //判断登录 if (Session["AdminLoginSun"] != null && Convert.ToInt32(Session["AdminLoginSun"]) > 3) { lbMsg.Text = "登录错误超过3次,请关闭浏览器重新登录。"; } else if (bll.chkAdminLogin(UserName, DESEncrypt.Encrypt(UserPwd))) { DtCms.Model.Administrator model = new DtCms.Model.Administrator(); model = bll.GetModel(UserName); Session["AdminNo"] = model.Id; Session["AdminName"] = model.UserName; Session["AdminType"] = model.UserType; Session["AdminLevel"] = model.UserLevel; //设置超时时间 Session.Timeout = 45; Session["AdminLoginSun"] = null; //写入Cookies Utils.WriteCookie("AdminName", "DtCms", DESEncrypt.Encrypt(model.UserName)); Utils.WriteCookie("AdminPwd", "DtCms", model.UserPwd); //保存日志 new DtCms.Web.UI.ManagePage().SaveLogs(UserName, "[用户登录]状态:登录成功!"); Response.Redirect("admin_index.aspx"); } else { lbMsg.Text = "您输入的用户名或密码不正确"; //保存日志 new DtCms.Web.UI.ManagePage().SaveLogs(UserName, "[用户登录] 状态:登录失败!"); } } }