asp.net 页面基类

包括存全局变量、权限判断等基本功能

 

/**/ /// <summary>
/// 页面基类
/// </summary>
public   class  PageBase:System.Web.UI.Page
... {
    public PageBase()
    ...{
    }
    private Globals siteGlobals=new Globals();


    protected virtual void Page_Load(object sender, EventArgs e)
    ...{
        CheckUserInfo();
    }
    属性#region 属性
    /**//// <summary>
    /// 应用程序路径
    /// </summary>
    public string AppPath 
    ...{
        get
        ...{
            return Request.ApplicationPath + "/";
        } 
    }

    /**//// <summary>
    /// 用户信息
    /// </summary>
    public UserInfo MyInfo
    ...{
        get
        ...{
            //检查Cache 
            if (HttpContext.Current.Cache["CurUser"] != null)
                return (UserInfo)HttpContext.Current.Cache["CurUser"];
            //检查Session 
            if (HttpContext.Current.Session["CurUser"] != null)
            ...{
                return (UserInfo)HttpContext.Current.Session["CurUser"];
            }
            //检查Cookie 
            if (Request.Cookies["UserCode"] != null)
            ...{
                //用户用Cookie登陆 
                HttpContext.Current.Session["CurUser"] = UserInfo.Get(Request.Cookies["UserCode"].Value); //Response.Cookies["UserInfo"];
                return (UserInfo)HttpContext.Current.Session["CurUser"];
            }

            return null;
        }
    }

    public Globals SiteGlobals
    ...{
        get
        ...{
            if (siteGlobals != null)
                return siteGlobals;
            else 
                return null;
        }
    }

    #endregion

    /**//// <summary>
    /// 判断是否具该系统权限且是否登录
    /// </summary>
    public void CheckUserInfo()
    ...{
        if (MyInfo != null)
        ...{
            if (MyInfo.SysType != 2 && MyInfo.SysType != 0)
            ...{
                Response.Redirect(AppPath + "ErrorPage.Aspx?ErrorMsg=您没有权限登录该系统!", true);
            }
        }
        else
        ...{
            Response.Redirect(AppPath + "Main/Login.aspx", true);
        }
    }

    protected override void OnInit(EventArgs e)
    ...{
        if (!SiteGlobals.SiteOpenFlag)
            Response.Redirect(AppPath + "ErrorPage.Aspx?ErrorMsg=网站被关闭,暂时不能访问!", true);
        this.Load+=new EventHandler(this.Page_Load);
        base.OnInit(e);
    }


    protected override void OnUnload(EventArgs e)
    ...{
        base.OnUnload(e);
    }

}