用户后台管理判断用户是否登录
后台管理页判断用户是否登录,如未登录则跳转至登录页
步骤:1.添加类UserLogin,该类继承System.Web.UI.Page
2.需要用户登录的页面将后台继承的System.Web.UI.Page改成UserLogin
using Common; using System; using System.Collections.Generic; using System.Linq; using System.Web; namespace Web { public class UserLogin : System.Web.UI.Page { User blluser = new BLL.User(); protected override void OnLoad(EventArgs e) { Model.User modeluser = blluser.CheckUserSessionLogin(); if (modeluser == null) { Session["user"] = null; Response.Redirect("/Login.aspx?returnurl=" + UrlOper.Base64Encrypt(Request.Url.ToString())); } else { Session["user"] = modeluser; base.OnLoad(e); } } public void Alert(string msg) { this.ClientScript.RegisterStartupScript(typeof(string), null, "alert(\"" + msg + "!\")", true); } } }