/// <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！");
}
}
}