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一个动态菜单的例子(downmoon)

减小字体 增大字体 作者：有风IT学院  来源：有风信息港  发布时间：2008-1-13 9:08:57
前台文件：


border="0" align="center" cellPadding="0" cellSpacing="0" >

<asp:label id="labMenuItem" runat="server">






中国蔬菜网最新优惠消息javascript:window.open(this.src);" style="cursor: pointer;"/>


后台文件：

using System;
using System.IO;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data;
using System.Text.RegularExpressions;
using System.Text;
namespace Vegnet.User.Web.UI.Controls
{


///
/// Menu 的摘要说明。
///
public class Menu:Vegnet.Common.Web.UI.Controls.BaseControl
{

#region Members
#region 菜单内容,

//Vip栏目标记
string _vipImage=" javascript:window.open(this.src);" style="cursor: pointer;"/>";

//其实不应加在这里，应在公用组件里，
//此处应用Static 变量，待改！!　
// downmoon 2006-12-11

#region 显示菜单ID
protected int MenuExtendDivID
{
get
{
object o =ViewState["MenuExtendDivID"];

if(o!=null)
{
return int.Parse(o.ToString());
}
else
{
return -1;
}
}
set
{
ViewState["MenuExtendDivID"]=value;

}
}
#endregion
//欢迎与邀月交流,net技术与软件架构　2006年12月4日

#region 公共菜单头

///
/// 有些项展开
///
protected static string publicPreExtend
{
//
get
{
return @"


javascript:window.open(this.src);" style="cursor: pointer;"/>{2}




");//初始化尾
this.labMenuItem.Text=sb.ToString();
}

}

}
}
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";
}
}
///
/// 默认不展开
///
protected static string publicPre
{

//onmouseout=this.style.cursor='default' onmouseover=this.style.cursor='hand'
get
{
return @"


javascript:window.open(this.src);" style="cursor: pointer;"/>{2}

";
}
}


#endregion

#region 会员资料
///
/// Menuid==0
///
protected string UserMenu
{
get
{
string s="";

s= @" "
+publicEnd;
//
  • 积分管理

    • s=(MenuExtendDivID==0)?(publicPreExtend+s):(publicPre+s);

    s=string.Format(s,"User",""","会员资料");
    return s;
    }
    }
    #endregion 2
    #region 企业管理
    ///
    /// Menuid==1
    ///
    protected string CompanyMenu
    {
    get
    {
    string s="";

    s= @" "
    +publicEnd;
    s=(MenuExtendDivID==1)?(publicPreExtend+s):(publicPre+s);


    s=string.Format(s,"Company",""","企业管理");
    return s;
    }
    }
    #endregion
    #region 产品列表
    ///
    /// Menuid==2
    ///
    protected string ProductInfoMenu
    {
    get
    {
    string s="";

    s= @" "
    +publicEnd;
    //
  • 未通过审核产品

    • s=(MenuExtendDivID==2)?(publicPreExtend+s):(publicPre+s);


    s=string.Format(s,"ProductInfo",""","产品库");
    return s;
    }
    }
    #endregion
    #region 供应列表
    ///
    /// Menuid==3
    ///
    protected string TradeForSellMenu
    {
    get
    {
    string s="";

    s= @" "
    +publicEnd;
    //
  • 订阅商机

    • s=(MenuExtendDivID==3)?(publicPreExtend+s):(publicPre+s);

    s=string.Format(s,"TradeForSell",""","供应信息");
    return s;
    }
    }
    #endregion
    #region 求购列表
    ///
    /// Menuid==4
    ///
    protected string TradeForBuyMenu
    {
    get
    {
    string s="";

    s= @" "
    +publicEnd;
    s=(MenuExtendDivID==4)?(publicPreExtend+s):(publicPre+s);

    s=string.Format(s,"TradeForBuy",""","求购信息");
    return s;
    }
    }
    #endregion
    #region 代理合作列表
    ///
    /// Menuid==5
    ///
    protected string TradeForDeleAndCorpMenu
    {
    get
    {
    string s="";

    s= @" "
    +publicEnd;
    s=(MenuExtendDivID==5)?(publicPreExtend+s):(publicPre+s);

    s=string.Format(s,"TradeForDeleAndCorp",""","代理合作信息");
    return s;
    }
    }
    #endregion

    #region 站内邮件
    ///
    /// Menuid==6
    ///
    protected string MessageMenu
    {
    get
    {
    string s="";

    s= @"     "
    +publicEnd;
    s=(MenuExtendDivID==6)?(publicPreExtend+s):(publicPre+s);

    s=string.Format(s,"Message",""","站内邮件");
    return s;
    }
    }
    #endregion
    #region 推荐及订阅列表
    ///
    /// Menuid==7
    ///
    protected string MagzineAndSubscribeMenu
    {
    get
    {
    string s="";
    s= @" "
    +publicEnd;
    s=(MenuExtendDivID==7)?(publicPreExtend+s):(publicPre+s);
    s=string.Format(s,"MagzineAndSubscribe",""","中国农业商情蔬菜卷");
    return s;
    }
    }
    #endregion
    #region 图片管理
    ///
    /// Menuid==8
    ///
    protected string PictureMenu
    {
    get
    {
    string s="";

    s= @" "
    +publicEnd;
    s=(MenuExtendDivID==8)?(publicPreExtend+s):(publicPre+s);
    s=string.Format(s,"Picture",""","图片管理");
    return s;
    }
    }
    #endregion
    #region 其他列表
    ///
    /// Menuid==9
    ///
    protected string OtherMenu
    {
    get
    {
    string s="";

    s= @" "
    +publicEnd;
    s=(MenuExtendDivID==9)?(publicPreExtend+s):(publicPre+s);


    s=string.Format(s,"Other",""","其他");
    return s;
    }
    }
    #endregion
    #region 帮助列表
    ///
    /// Menuid==10
    ///
    protected string HelpMenu
    {
    get
    {
    string s="";

    s= @" "
    +publicEnd;
    s=(MenuExtendDivID==10)?(publicPreExtend+s):(publicPre+s);
    s=string.Format(s,"Help",""","帮助");
    return s;
    }
    }
    #endregion
    #region 蔬菜价格
    ///
    /// Menuid==11
    ///
    protected string PriceMenu
    {
    get
    {
    string s="";

    s= @" "
    +publicEnd;
    s=(MenuExtendDivID==11)?(publicPreExtend+s):(publicPre+s);
    s=string.Format(s,"Picture",""","蔬菜价格");
    return s;
    }
    }
    #endregion
    #region 增值推荐
    ///
    /// Menuid==11
    ///
    protected string IncrementMenu
    {
    get
    {
    string s="";

    s= @" "
    +publicEnd;
    s=(MenuExtendDivID==12)?(publicPreExtend+s):(publicPre+s);
    s=string.Format(s,"Increment",""","增值推荐");
    return s;
    }
    }
    #endregion
    #endregion
    Vegnet.User.Framework.Components.User user=Vegnet.User.Framework.Data.DataDTOProvider.GetUserByCach();
    protected Label labMenuItem;

    #endregion


    protected override void OnLoad(EventArgs e)
    {
    base.OnLoad (e);
    //Page.Response.Write(user.IsBase);
    //Page.SmartNavigation=true;

    //2006年10月30日新增　欢迎与邀月交流,net技术与软件架构 是否允许推荐产品到杂志，目前所有注册用户均可。推荐规则见设计文档
    //目前暂不动，合适时应改为case判断
    if(user==null)
    {
    Page.Response.Redirect("/User/Login.aspx");
    return ;
    }
    if(!IsPostBack)
    {
    try
    {
    this.MenuExtendDivID=(Page.Request["dvid"]!=null)?int.Parse(Page.Request["dvid"].ToString()):-1;
    }
    catch
    {
    this.MenuExtendDivID=-1;
    }
    }
    if(labMenuItem!=null)
    {
    StringBuilder sb=new StringBuilder();//定义临时变量
    sb.Append("
    ");//初始化头
    if(user.IsAllowRecommendToMagzine)
    {
    #region 如果允许推荐
    #region 用户类型
    if(user.IsBase)
    {
    sb.Append(UserMenu);
    sb.Append(CompanyMenu);
    sb.Append(ProductInfoMenu);
    sb.Append(TradeForSellMenu);
    sb.Append(TradeForBuyMenu);
    sb.Append(TradeForDeleAndCorpMenu);
    sb.Append(MessageMenu);
    sb.Append(MagzineAndSubscribeMenu);
    sb.Append(PriceMenu);
    //+PictureMenu
    sb.Append(IncrementMenu);
    sb.Append(OtherMenu);
    //+HelpMenu

    }
    else
    {
    sb.Append(UserMenu);
    sb.Append(CompanyMenu);
    sb.Append(ProductInfoMenu);
    sb.Append(TradeForSellMenu);
    sb.Append(TradeForBuyMenu);
    sb.Append(TradeForDeleAndCorpMenu);
    sb.Append(MessageMenu);
    sb.Append(MagzineAndSubscribeMenu);
    sb.Append(PriceMenu);
    //+PictureMenu
    sb.Append(IncrementMenu);
    sb.Append(OtherMenu);
    //+HelpMenu

    }
    #endregion
    #endregion
    }
    else
    {
    #region 如果不允许推荐
    #region 用户类型
    if(user.IsBase)
    {
    sb.Append(UserMenu);
    sb.Append(CompanyMenu);
    sb.Append(ProductInfoMenu);
    sb.Append(TradeForSellMenu);
    sb.Append(TradeForBuyMenu);
    sb.Append(TradeForDeleAndCorpMenu);
    sb.Append(MessageMenu);
    sb.Append(OtherMenu);
    //+HelpMenu
    }
    else
    {
    sb.Append(UserMenu);
    sb.Append(CompanyMenu);
    sb.Append(ProductInfoMenu);
    sb.Append(TradeForSellMenu);
    sb.Append(TradeForBuyMenu);
    sb.Append(TradeForDeleAndCorpMenu);
    sb.Append(MessageMenu);
    sb.Append(OtherMenu);
    //+HelpMenu

    }
    #endregion
    #endregion
    }
    sb.Append("