HENGCHENG/DSWeb/OpenPageBase.cs

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using DSWeb.Models;
using DSWeb.EntityDA;

namespace DSWeb
{
    public class OpenPageBase : System.Web.UI.Page
    {
        protected override void OnLoad(EventArgs e)
        {
            if (HttpContext.Current.Session["USERID"] == null)
            {
                if (Request.Cookies["DSUSERID"] != null)
                {
                    string cookieUserID = Request.Cookies["DSUSERID"].Value;
                    UserLoginStatusDA userLoginStatusDA = new UserLoginStatusDA();
                    UserLoginStatusEntity userLoginStatusEntity = new UserLoginStatusEntity();

                    //查看是否当前登录用户是否是时效内重新登录的用户
                    userLoginStatusEntity = userLoginStatusDA.GetLoginStatusByUserID(cookieUserID);

                    if (userLoginStatusEntity.GID != null)
                    {
                        DateTime signDateTime = userLoginStatusEntity.SignInTime;
                        DateTime serverDateTime = userLoginStatusEntity.ServerDateTime;
                        double expiresMinutes = double.Parse(userLoginStatusEntity.ExpiresMinutes.ToString());
                        if (signDateTime.AddMinutes(expiresMinutes).CompareTo(serverDateTime) >= 0)
                        {
                            userLoginStatusDA.DeleteUserLoginStatus(userLoginStatusEntity.GID);

                        }
                        else
                        {
                            userLoginStatusDA.UpdateLoginStatusForReSign(userLoginStatusEntity);
                            UserEntity userEntity = new UserDA().GetUserSignByID(cookieUserID);

                            Session["USERID"] = userEntity.Gid;
                            Session["CODENAME"] = userEntity.CodeName;
                            Session["SHOWNAME"] = userEntity.ShowName;
                            Session["PASSWORD"] = userEntity.PassWord;
                        }
                    }
                    else
                    {
                        throw new Exception();
                    }
                }
                else
                {
                    Response.Redirect("login.aspx");
                    Response.End();
                }
            }
            base.OnLoad(e);
        }
    }
}