BrnShop开源网上商城第二讲：ASP.NET MVC框架

2020-12-13 15:34

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　　在团队设计BrnShop的web项目之初，我们碰到了两个问题，第一个是数据的复用和传递，第二个是大mvc框架和小mvc框架的选择。下面我依次来说明下。

首先是数据的复用和传递：对于BrnShop的每一次请求，程序都要分成好几个阶段执行，例如验证，执行动作方法等等，在各个阶段我们可能需要重复使用同一信息，而我们的愿景就是希望此信息只需获取一次，然后沿着流程管道一直流动，这样在后面的阶段中就可以直接使用，不用再重新获取了，提高程序的性能。举例来说：在授权验证阶段，我们为对用户进行验证，从而获取了用户信息，当验证结束后，此用户信息并不被抛弃，而是保留下来，这样在后面的动作方法中我们就不需要再次获取用户信息，而是直接使用刚才在授权中保留下来的用户信息就可以了。

　　具体实现是这样的：首先我们给这些需要公用的数据定义个上下文类，它们分别是BrnShop.Web.Framework项目中的WebWorkContext类和AdminWorkContext类，其中WebWorkContext是前台项目使用的上下文，AdminWorkContext是后台项目使用的上下文。代码很简单，就是定义了一些公共字段，具体如下：

using System;
using System.Collections.Generic;

using BrnShop.Core;

namespace BrnShop.Web.Framework
{
    /// 
    /// 商城前台工作上下文类
    /// 
    public class WebWorkContext
    {
        public ShopConfigInfo ShopConfig = BSPConfig.ShopConfig;//商城配置信息

        public bool IsHttpAjax;//当前请求是否为ajax请求

        public string IP;//用户ip

        public RegionInfo Region;//区域信息

        public string Url;//当前url

        public string UrlReferrer;//上一次访问的url

        public string Sid;//用户sid

        public int Uid = -1;//用户id

        public string UserName;//用户名

        public string UserEmail;//用户邮箱

        public string UserMobile;//用户手机号

        public string NickName;//用户昵称

        public string Avatar;//用户头像

        public string Password;//用户密码

        public string PayCreditName;//支付积分名称

        public int PayCreditCount = 0;//支付积分数量

        public string RankCreditName;//等级积分名称

        public int RankCreditCount = 0;//等级积分数量

        public PartUserInfo PartUserInfo;//用户信息

        public int UserRid = -1;//用户等级id

        public UserRankInfo UserRank;//用户等级信息

        public string UserRTitle;//用户等级标题

        public int AdminGid = -1;//用户管理员组id

        public AdminGroupInfo AdminGroup;//用户管理员组信息

        public string AdminGTitle;//管理员组标题

        public string Controller;//控制器

        public string Action;//动作方法

        public string PageKey;//页面标示符

        public string ThemeName;//当前主题名称

        public string ImageDir;//图片目录

        public string CSSDir;//css目录

        public string ScriptDir;//脚本目录

        public int OnlineUserCount = 0;//在线总人数

        public int OnlineMemberCount = 0;//在线会员数

        public int OnlineGuestCount = 0;//在线游客数

        public string SearchWord;//搜索词

        public int SCProductCount = 0;//购物车中商品数量

        public List CategoryList;//分类列表

        public List NavList;//导航列表

        public FriendLinkInfo[] FriendLinkList;//友情链接列表

        public List HelpList;//帮助列表

        public DateTime StartExecuteTime;//页面开始执行时间

        public double ExecuteTime;//页面执行时间

        public int ExecuteCount = 0;//执行的sql语句数目

        public string ExecuteDetail;//执行的sql语句细节

        public string ShopVersion = BSPVersion.SHOP_VERSION;//商城版本

        public string ShopCopyright = BSPVersion.SHOP_COPYRIGHT;//商城版权

    }
}

View Code

using System;

using BrnShop.Core;

namespace BrnShop.Web.Framework
{
    /// 
    /// 商城后台工作上下文类
    /// 
    public class AdminWorkContext
    {
        public ShopConfigInfo ShopConfig = BSPConfig.ShopConfig;//商城配置信息

        public bool IsHttpAjax;//当前请求是否为ajax请求

        public string IP;//用户ip

        public RegionInfo Region;//区域信息

        public string Url;//当前url

        public string UrlReferrer;//上一次访问的url

        public string Sid;//用户sid

        public int Uid = -1;//用户id

        public string UserName;//用户名

        public string UserEmail;//用户邮箱

        public string UserMobile;//用户手机号

        public string NickName;//用户昵称

        public string Avatar;//用户头像

        public string Password;//用户密码

        public PartUserInfo PartUserInfo;//用户信息

        public int UserRid = -1;//用户等级id

        public UserRankInfo UserRank;//用户等级信息

        public string UserRTitle;//用户等级标题

        public int AdminGid = -1;//用户管理员组id

        public AdminGroupInfo AdminGroup;//用户管理员组信息

        public string AdminGTitle;//管理员组标题

        public string Controller;//控制器

        public string Action;//动作方法

        public string PageKey;//页面标示符
    }
}

View Code

　　有了上下文类后，我们需要找一个可以保证上下文流动的地方。在翻看了asp.net mvc的源码后，我们找到一个好地方，这个地方就在控制器的基类Controller中。在Controller中微软定义了六个方法，具体如下：

protected override void Initialize(RequestContext requestContext);说明：初始化调用构造函数后可能不可用的数据。
protected virtual void OnAuthorization(AuthorizationContext filterContext);说明：在进行授权时调用。
protected virtual void OnActionExecuted(ActionExecutedContext filterContext);说明：在调用操作方法后调用。
protected virtual void OnActionExecuting(ActionExecutingContext filterContext);说明：在调用操作方法前调用。
protected virtual void OnResultExecuted(ResultExecutedContext filterContext);说明：在执行由操作方法返回的操作结果后调用。
protected virtual void OnResultExecuting(ResultExecutingContext filterContext);说明：在执行由操作方法返回的操作结果前调用。

　　这些都是虚方法，所以我们可以定义一个继承自Controller的新控制器，然后重写这些方法。由于这些方法是在同一个类中，所以它们可以共享同一个字段(这个字段就是上下文)，而且其他的控制器都是继承自这个新控制器类，所以在动作方法中也是可以访问这个共享字段(父类的字段)。新控制器类分别是BrnShop.Web.Framework项目中BaseWebController类和BaseAdminController类，其中BaseWebController为前台控制器类，BaseAdminController为后台控制器类，具体实现如下：

using System;
using System.Text;
using System.Web.Mvc;
using System.Web.Routing;
using System.Collections.Generic;

using BrnShop.Core;
using BrnShop.Services;

namespace BrnShop.Web.Framework
{
    /// 
    /// 商城前台基础控制器类
    /// 
    public class BaseWebController : Controller
    {
        //工作上下午
        public WebWorkContext WorkContext = new WebWorkContext();

        protected override void Initialize(RequestContext requestContext)
        {
            base.Initialize(requestContext);

            WorkContext.IsHttpAjax = WebHelper.IsAjax();
            WorkContext.IP = WebHelper.GetIP();
            WorkContext.Region = Regions.GetRegionByIP(WorkContext.IP);
            WorkContext.Url = WebHelper.GetUrl();
            WorkContext.UrlReferrer = WebHelper.GetUrlReferrer();

            //获得用户唯一标示符sid
            WorkContext.Sid = ShopUtils.GetSidCookie();
            if (WorkContext.Sid.Length == 0)
            {
                //生成sid
                WorkContext.Sid = Sessions.GenerateSid();
                //将sid保存到cookie中
                ShopUtils.SetSidCookie(WorkContext.Sid);
            }

            PartUserInfo partUserInfo;

            //获得用户id
            int uid = ShopUtils.GetUidCookie();
            if (uid 1)//当用户为游客时
            {
                //创建游客
                partUserInfo = Users.CreatePartGuest();
            }
            else//当用户为会员时
            {
                //获得保存在cookie中的密码
                string password = ShopUtils.GetPasswordCookie();
                //防止用户密码被篡改为危险字符
                if (password.Length == 0 || !SecureHelper.IsBase64String(password))
                {
                    //创建游客
                    partUserInfo = Users.CreatePartGuest();
                    ShopUtils.SetUidCookie(-1);
                    ShopUtils.SetPasswordCookie("");
                }
                else
                {
                    partUserInfo = Users.GetPartUserByUidAndPwd(uid, password);
                    if (partUserInfo != null)
                    {
                        //发放登陆积分
                        Credits.SendLoginCredits(ref partUserInfo, DateTime.Now);
                    }
                    else//当会员的账号或密码不正确时，将用户置为游客
                    {
                        partUserInfo = Users.CreatePartGuest();
                        ShopUtils.SetUidCookie(-1);
                        ShopUtils.SetPasswordCookie("");
                    }
                }
            }

            //设置用户等级
            if (UserRanks.IsBanUserRank(partUserInfo.UserRid) && partUserInfo.LiftBanTime  DateTime.Now)
            {
                UserRankInfo userRankInfo = UserRanks.GetUserRankByCredits(partUserInfo.PayCredits);
                Users.UpdateUserRankByUid(partUserInfo.Uid, userRankInfo.UserRid);
                partUserInfo.UserRid = userRankInfo.UserRid;
            }

            WorkContext.PartUserInfo = partUserInfo;

            WorkContext.Uid = partUserInfo.Uid;
            WorkContext.UserName = partUserInfo.UserName;
            WorkContext.UserEmail = partUserInfo.Email;
            WorkContext.UserMobile = partUserInfo.Mobile;
            WorkContext.Password = partUserInfo.Password;
            WorkContext.NickName = partUserInfo.NickName;
            WorkContext.Avatar = partUserInfo.Avatar;
            WorkContext.PayCreditName = Credits.PayCreditName;
            WorkContext.PayCreditCount = partUserInfo.PayCredits;
            WorkContext.RankCreditName = Credits.RankCreditName;
            WorkContext.RankCreditCount = partUserInfo.RankCredits;

            WorkContext.UserRid = partUserInfo.UserRid;
            WorkContext.UserRank = UserRanks.GetUserRankById(partUserInfo.UserRid);
            WorkContext.UserRTitle = WorkContext.UserRank.Title;
            //设置用户管理员组
            WorkContext.AdminGid = partUserInfo.AdminGid;
            WorkContext.AdminGroup = AdminGroups.GetAdminGroupById(partUserInfo.AdminGid);
            WorkContext.AdminGTitle = WorkContext.AdminGroup.Title;

            //设置当前控制器类名
            WorkContext.Controller = RouteData.Values["controller"].ToString().ToLower();
            //设置当前动作方法名
            WorkContext.Action = RouteData.Values["action"].ToString().ToLower();
            WorkContext.PageKey = string.Format("/{0}/{1}", WorkContext.Controller, WorkContext.Action);

            //当前商城主题名称
            WorkContext.ThemeName = WorkContext.ShopConfig.ThemeName;
            //设置图片目录
            WorkContext.ImageDir = string.Format("{0}/Themes/{1}/Images", WorkContext.ShopConfig.ImageCDN, WorkContext.ThemeName);
            //设置css目录
            WorkContext.CSSDir = string.Format("{0}/Themes/{1}/CSS", WorkContext.ShopConfig.CSSCDN, WorkContext.ThemeName);
            //设置脚本目录
            WorkContext.ScriptDir = string.Format("{0}/Scripts", WorkContext.ShopConfig.ScriptCDN);

            //在线总人数
            WorkContext.OnlineUserCount = OnlineUsers.GetOnlineUserCount();
            //在线游客数
            WorkContext.OnlineGuestCount = OnlineUsers.GetOnlineGuestCount();
            //在线会员数
            WorkContext.OnlineMemberCount = WorkContext.OnlineUserCount - WorkContext.OnlineGuestCount;
            //搜索词
            WorkContext.SearchWord = string.Empty;
            //购物车中商品数量
            WorkContext.SCProductCount = Orders.GetShopCartProductCountCookie();

            //分类列表
            WorkContext.CategoryList = Categories.GetCategoryList();
            //设置导航列表
            WorkContext.NavList = Navs.GetNavList();
            //设置友情链接列表
            WorkContext.FriendLinkList = FriendLinks.GetFriendLinkList();
            //设置帮助列表
            WorkContext.HelpList = Helps.GetHelpList();
        }

        protected override void OnAuthorization(AuthorizationContext filterContext)
        {
            //不能应用在子方法上
            if (filterContext.IsChildAction)
                return;

            //商城已经关闭
            if (WorkContext.ShopConfig.IsClosed == 1 && WorkContext.AdminGid == 1 && WorkContext.PageKey != "/account/login" && WorkContext.PageKey != "/account/logout")
            {
                filterContext.Result = PromptView(WorkContext.ShopConfig.CloseReason);
                return;
            }

            //当前时间为禁止访问时间
            if (ValidateHelper.BetweenPeriod(WorkContext.ShopConfig.BanAccessTime) && WorkContext.AdminGid == 1 && WorkContext.PageKey != "/account/login" && WorkContext.PageKey != "/account/logout")
            {
                filterContext.Result = PromptView("当前时间不能访问本商城");
                return;
            }

            //当用户ip在被禁止的ip列表时
            if (ValidateHelper.InIPList(WorkContext.IP, WorkContext.ShopConfig.BanAccessIP))
            {
                filterContext.Result = PromptView("您的IP被禁止访问本商城");
                return;
            }

            //当用户ip不在允许的ip列表时
            if (!string.IsNullOrEmpty(WorkContext.ShopConfig.AllowAccessIP) && !ValidateHelper.InIPList(WorkContext.IP, WorkContext.ShopConfig.AllowAccessIP))
            {
                filterContext.Result = PromptView("您的IP被禁止访问本商城");
                return;
            }

            //当用户IP被禁止时
            if (BannedIPs.CheckIP(WorkContext.IP))
            {
                filterContext.Result = PromptView("您的IP被禁止访问本商城");
                return;
            }

            //当用户等级是禁止访问等级时
            if (WorkContext.UserRid == 1)
            {
                filterContext.Result = PromptView("您的账号当前被锁定,不能访问");
                return;
            }

            //判断目前访问人数是否达到允许的最大人数
            if (WorkContext.OnlineUserCount > WorkContext.ShopConfig.MaxOnlineCount && WorkContext.AdminGid == 1 && (WorkContext.Controller != "account" && (WorkContext.Action != "login" || WorkContext.Action != "logout")))
            {
                filterContext.Result = PromptView("商城人数达到访问上限, 请稍等一会再访问！");
                return;
            }
        }

        protected override void OnActionExecuting(ActionExecutingContext filterContext)
        {
            //不能应用在子方法上
            if (filterContext.IsChildAction)
                return;
#if DEBUG
            //清空执行的sql语句数目
            RDBSHelper.ExecuteCount = 0;
            //清空执行的sql语句细节
            RDBSHelper.ExecuteDetail = "";
#endif
            //页面开始执行时间
            WorkContext.StartExecuteTime = DateTime.Now;

            //当用户为会员时,更新用户的在线时间
            if (WorkContext.Uid > 0)
                Users.UpdateUserOnlineTime(WorkContext.Uid);

            //更新在线用户
            Asyn.UpdateOnlineUser(WorkContext.Uid, WorkContext.Sid, WorkContext.IP, WorkContext.Region.RegionId);
            //更新PV统计
            if (WorkContext.ShopConfig.UpdatePVStatTimespan != 0)
                Asyn.UpdatePVStat(WorkContext.Uid, WorkContext.Region.RegionId, WebHelper.GetBrowserType(), WebHelper.GetOSType());
        }

        protected override void OnActionExecuted(ActionExecutedContext filterContext)
        {
            //不能应用在子方法上
            if (filterContext.IsChildAction)
                return;
#if DEBUG
            //执行的sql语句数目
            WorkContext.ExecuteCount = RDBSHelper.ExecuteCount;

            //执行的sql语句细节
            if (RDBSHelper.ExecuteDetail == string.Empty)
                WorkContext.ExecuteDetail = "当前页面没有和数据库的任何交互";
            else
                WorkContext.ExecuteDetail = "数据查询分析:" + RDBSHelper.ExecuteDetail;
#endif
            //页面执行时间
            WorkContext.ExecuteTime = DateTime.Now.Subtract(WorkContext.StartExecuteTime).TotalMilliseconds / 1000;
        }

        protected override void OnException(ExceptionContext filterContext)
        {
            ShopUtils.WriteLogFile(filterContext.Exception);
            if (WorkContext.IsHttpAjax)
                filterContext.Result = new ContentResult { Content = "error" };
            else
                filterContext.Result = new ViewResult() { ViewName = "Error" };
        }

        /// 
        /// 获得路由中的值
        /// 
        /// 键
        /// 默认值
        /// 
        protected string GetRouteString(string key, string defaultValue)
        {
            object value = RouteData.Values[key];
            if (value != null)
                return value.ToString();
            else
                return defaultValue;
        }

        /// 
        /// 获得路由中的值
        /// 
        /// 键
        /// 
        protected string GetRouteString(string key)
        {
            return GetRouteString(key, "");
        }

        /// 
        /// 获得路由中的值
        /// 
        /// 键
        /// 默认值
        /// 
        protected int GetRouteInt(string key, int defaultValue)
        {
            return TypeHelper.ObjectToInt(RouteData.Values[key], defaultValue);
        }

        /// 
        /// 获得路由中的值
        /// 
        /// 键
        /// 
        protected int GetRouteInt(string key)
        {
            return GetRouteInt(key, 0);
        }

        /// 
        /// 提示信息视图
        /// 
        /// 提示信息
        /// 
        protected ViewResult PromptView(string message)
        {
            return View("Prompt", new PromptModel(message));
        }

        /// 
        /// 提示信息视图
        /// 
        /// 返回地址
        /// 提示信息
        /// 
        protected ViewResult PromptView(string backUrl, string message)
        {
            return View("Prompt", new PromptModel(backUrl, message));
        }

        /// 
        /// 获得验证错误列表
        /// 
        /// 
        protected string GetVerifyErrorList()
        {
            if (ModelState.Count == 0)
                return "null";

            StringBuilder errorList = new StringBuilder("[");
            foreach (KeyValuePairstring, ModelState> item in ModelState)
            {
                errorList.AppendFormat("{0}‘key‘:‘{1}‘,‘msg‘:‘{2}‘{3},", "{", item.Key, item.Value.Errors[0].ErrorMessage, "}");
            }
            errorList.Remove(errorList.Length - 1, 1);
            errorList.Append("]");
            return errorList.ToString();
        }
    }
}

View Code

using System;
using System.Web;
using System.Web.Mvc;
using System.Web.Routing;

using BrnShop.Core;
using BrnShop.Services;

namespace BrnShop.Web.Framework
{
    /// 
    /// 商城后台基础控制器类
    /// 
    public class BaseAdminController : Controller
    {
        //工作上下午
        public AdminWorkContext WorkContext = new AdminWorkContext();

        protected override void Initialize(RequestContext requestContext)
        {
            base.Initialize(requestContext);

            WorkContext.IsHttpAjax = WebHelper.IsAjax();
            WorkContext.IP = WebHelper.GetIP();
            WorkContext.Region = Regions.GetRegionByIP(WorkContext.IP);
            WorkContext.Url = WebHelper.GetUrl();
            WorkContext.UrlReferrer = WebHelper.GetUrlReferrer();

            //获得用户唯一标示符sid
            WorkContext.Sid = ShopUtils.GetSidCookie();
            if (WorkContext.Sid.Length == 0)
            {
                //生成sid
                WorkContext.Sid = Sessions.GenerateSid();
                //将sid保存到cookie中
                ShopUtils.SetSidCookie(WorkContext.Sid);
            }

            PartUserInfo partUserInfo;

            //获得用户id
            int uid = ShopUtils.GetUidCookie();
            if (uid 1)//当用户为游客时
            {
                //创建游客
                partUserInfo = Users.CreatePartGuest();
            }
            else//当用户为会员时
            {
                //获得保存在cookie中的密码
                string password = ShopUtils.GetPasswordCookie();
                //防止用户密码被篡改为危险字符
                if (password.Length == 0 || !SecureHelper.IsBase64String(password))
                {
                    //创建游客
                    partUserInfo = Users.CreatePartGuest();
                    ShopUtils.SetUidCookie(-1);
                    ShopUtils.SetPasswordCookie("");
                }
                else
                {
                    partUserInfo = Users.GetPartUserByUidAndPwd(uid, password);
                    if (partUserInfo != null)
                    {
                        //发放登陆积分
                        Credits.SendLoginCredits(ref partUserInfo, DateTime.Now);
                    }
                    else//当会员的账号或密码不正确时，将用户置为游客
                    {
                        partUserInfo = Users.CreatePartGuest();
                        ShopUtils.SetUidCookie(-1);
                        ShopUtils.SetPasswordCookie("");
                    }
                }
            }

            //设置用户等级
            if (UserRanks.IsBanUserRank(partUserInfo.UserRid) && partUserInfo.LiftBanTime  DateTime.Now)
            {
                UserRankInfo userRankInfo = UserRanks.GetUserRankByCredits(partUserInfo.PayCredits);
                Users.UpdateUserRankByUid(partUserInfo.Uid, userRankInfo.UserRid);
                partUserInfo.UserRid = userRankInfo.UserRid;
            }

            WorkContext.PartUserInfo = partUserInfo;

            WorkContext.Uid = partUserInfo.Uid;
            WorkContext.UserName = partUserInfo.UserName;
            WorkContext.UserEmail = partUserInfo.Email;
            WorkContext.UserMobile = partUserInfo.Mobile;
            WorkContext.Password = partUserInfo.Password;
            WorkContext.NickName = partUserInfo.NickName;
            WorkContext.Avatar = partUserInfo.Avatar;

            WorkContext.UserRid = partUserInfo.UserRid;
            WorkContext.UserRank = UserRanks.GetUserRankById(partUserInfo.UserRid);
            WorkContext.UserRTitle = WorkContext.UserRank.Title;
            //设置用户管理员组
            WorkContext.AdminGid = partUserInfo.AdminGid;
            WorkContext.AdminGroup = AdminGroups.GetAdminGroupById(partUserInfo.AdminGid);
            WorkContext.AdminGTitle = WorkContext.AdminGroup.Title;

            //设置当前控制器类名
            WorkContext.Controller = RouteData.Values["controller"].ToString().ToLower();
            //设置当前动作方法名
            WorkContext.Action = RouteData.Values["action"].ToString().ToLower();
            WorkContext.PageKey = string.Format("/{0}/{1}", WorkContext.Controller, WorkContext.Action);
        }

        protected override void OnAuthorization(AuthorizationContext filterContext)
        {
            //不能应用在子方法上
            if (filterContext.IsChildAction)
                return;

            //当用户ip不在允许的后台访问ip列表时
            if (!string.IsNullOrEmpty(WorkContext.ShopConfig.AdminAllowAccessIP) && !ValidateHelper.InIPList(WorkContext.IP, WorkContext.ShopConfig.AdminAllowAccessIP))
            {
                if (WorkContext.IsHttpAjax)
                    filterContext.Result = new ContentResult { Content = "404" };
                else
                    filterContext.Result = new RedirectResult("/");
                return;
            }

            //当用户IP被禁止时
            if (BannedIPs.CheckIP(WorkContext.IP))
            {
                if (WorkContext.IsHttpAjax)
                    filterContext.Result = new ContentResult { Content = "404" };
                else
                    filterContext.Result = new RedirectResult("/");
                return;
            }

            //当用户等级是禁止访问等级时
            if (WorkContext.UserRid == 1)
            {
                if (WorkContext.IsHttpAjax)
                    filterContext.Result = new ContentResult { Content = "404" };
                else
                    filterContext.Result = new RedirectResult("/");
                return;
            }

            //如果当前用户没有登录
            if (WorkContext.Uid 1)
            {
                if (WorkContext.IsHttpAjax)
                    filterContext.Result = new ContentResult { Content = "404" };
                else
                    filterContext.Result = new RedirectResult("/");
                return;
            }

            //如果当前用户不是管理员
            if (WorkContext.AdminGid == 1)
            {
                if (WorkContext.IsHttpAjax)
                    filterContext.Result = new ContentResult { Content = "404" };
                else
                    filterContext.Result = new RedirectResult("/");
                return;
            }

            //判断当前用户是否有访问当前页面的权限
            if (WorkContext.Controller != "home" && !AdminGroups.CheckAuthority(WorkContext.AdminGid, WorkContext.Controller, WorkContext.PageKey))
            {
                if (WorkContext.IsHttpAjax)
                    filterContext.Result = new ContentResult { Content = "notpermit" };
                else
                    filterContext.Result = PromptView("你没有当前操作的权限！");
                return;
            }
        }

        protected override void OnActionExecuting(ActionExecutingContext filterContext)
        {
            //不能应用在子方法上
            if (filterContext.IsChildAction)
                return;

            //当用户为会员时,更新用户的在线时间
            if (WorkContext.Uid > 0)
                Users.UpdateUserOnlineTime(WorkContext.Uid);

            //更新在线用户
            Asyn.UpdateOnlineUser(WorkContext.Uid, WorkContext.Sid, WorkContext.IP, WorkContext.Region.RegionId);
            //更新PV统计
            if (WorkContext.ShopConfig.UpdatePVStatTimespan != 0)
                Asyn.UpdatePVStat(WorkContext.Uid, WorkContext.Region.RegionId, WebHelper.GetBrowserType(), WebHelper.GetOSType());
        }

        protected override void OnException(ExceptionContext filterContext)
        {
            ShopUtils.WriteLogFile(filterContext.Exception);
            if (WorkContext.IsHttpAjax)
                filterContext.Result = new ContentResult { Content = "error" };
            else
                filterContext.Result = new ViewResult() { ViewName = "Error" };
        }

        /// 
        /// 提示信息视图
        /// 
        /// 提示信息
        /// 
        protected ViewResult PromptView(string message)
        {
            return View("Prompt", new PromptModel(ShopUtils.GetAdminRefererCookie(), message));
        }

        /// 
        /// 提示信息视图
        /// 
        /// 返回地址
        /// 提示信息
        /// 
        protected ViewResult PromptView(string backUrl, string message)
        {
            return View("Prompt", new PromptModel(backUrl, message));
        }

        /// 
        /// 提示信息视图
        ///

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文章标题：BrnShop开源网上商城第二讲：ASP.NET MVC框架
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BrnShop开源网上商城第二讲：ASP.NET MVC框架

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