asp.net输出rss

  一、rss标准简单示例

<?xml version="1.0" encoding="gb2312"?> <rss version="2.0"> <channel> <title>rss的title</title> <link>http://www.xxx.com</link> <description>rss的description</description> <item> <title>item1的title</title> <link>http://www.xxx.com/xx/xxx.shtml</link> <description>item1的description</description> </item> <item> <title>item1的title</title> <link>http://www.xxx.com/xx/xxx.shtml</link> <description>item1的description</description> </item> <!-- ... --> </channel> </rss>

 

二、RSS.ascx

<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="UcTodaySpecialListRSS.ascx.cs" Inherits="RSS20Tester.UcTodaySpecialListRSS" %> <asp:Repeater ID="rp_rss" runat="server"> <HeaderTemplate><?xml version="1.0" encoding="utf-8" ?><%-- 此处特别注意,xml文件的声明一定要放在第1行第1列,所以这里要紧凑写. --%> <%--<?xml version="1.0" encoding="utf-8" ?>--%> <%-- <?xml-stylesheet href="rss.xsl" type="text/xsl" media="all"?> --%> <rss version="2.0"> <channel> <title><%=title %></title> <link><%=WebSiteUrl %></link> <description><%=description %></description> <language>zh-CN</language> <copyright><%=copyright %></copyright> <pubDate><%=pubDate %></pubDate> <image> <title><%=image_title %></title> <url><%=string.Format("{0}images/logo.jpg",WebSiteUrl) %></url> <link><%=WebSiteUrl %></link> <width><%=image_width%></width> <height><%=image_height %></height> <description><%=image_description%></description> </image> </HeaderTemplate> <ItemTemplate> <item> <title><%#Eval("productName")%>,<%#Eval("NewPrice","{0:c}")%>/<%#Eval("Unit")%></title> <link><%#string.Format("{0}ViewSpecialDetail.aspx?id={1}", WebSiteUrl, Eval("pkid"))%></link> <description> <%#string.Format("{0}公司的{1}参加本次特价促销活动,原价{2}/{3},现价{4}/{5}({6}),现仅剩{7}{8},欲购从速!联系人:{9},联系电话:{10}", Eval("Company"), Eval("productName"), Eval("Price","{0:c}"), Eval("Unit"), Eval("NewPrice","{0:c}"), Eval("Unit"), Eval("UnitNumber"), Eval("Stocks"), Eval("Unit"), Eval("Contact"), Eval("Phone"))%> </description> <%--<guid isPermaLink="true">http://www.zaobao.com/zg/zg090116_502.shtml</guid>--%> <author>罗斯文公司销售部</author> <pubDate><%#GetRssFormatTime(Eval("PubDateTime"))%></pubDate> </item> </ItemTemplate> <SeparatorTemplate> </SeparatorTemplate> <FooterTemplate> </channel> </rss> </FooterTemplate> </asp:Repeater>

 

三、RSS.ascx.cs

using System; using System.Collections.Generic; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Data; namespace RSS20Tester { public partial class UcTodaySpecialListRSS : System.Web.UI.UserControl { #region public string title = "罗斯文特价商品促销信息"; //public string link = ""; public string description = @"“罗斯文商品报价榜”是罗斯文经贸集团公司向外部客户公布的商品报价系统网站，秉承为客户创造价值的宗旨，快速高效地提供公开的透明的报价服务。"; //public string language = "zh-CN"; public string copyright = "罗斯文经贸集团公司"; public string pubDate = GetRssFormatTime(DateTime.Now); public string image_title = "罗斯文经贸集团公司"; //public string image_url = ""; //public string image_link = ""; public string image_width = "88"; public string image_height = "31"; public string image_description = "罗斯文经贸集团公司标志"; #endregion public string WebSiteUrl { get { return "http://localhost:5647/"; } } public static string GetRssFormatTime(object datetime) { DateTime dt ; if (DateTime.TryParse(datetime.ToString(), out dt)) { return dt.ToUniversalTime().ToString("r"); } return string.Empty; } protected void Page_Load(object sender, EventArgs e) { bindTodaySpecialRSSList(); } protected void bindTodaySpecialRSSList() { DataTable dt = new dal.TodaySpecialDal().getTodaySpecial(); this.rp_rss.DataSource = dt; this.rp_rss.DataBind(); } } }

 

四、RSS.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="TodaySpecialListRSS.aspx.cs" Inherits="RSS20Tester.TodaySpecialListRSS" ContentType="text/xml;charset=utf-8" %> <%@ Register src="UcTodaySpecialListRSS.ascx" tagname="UcTodaySpecialListRSS" tagprefix="uc1" %> <uc1:UcTodaySpecialListRSS ID="UcTodaySpecialListRSS1" runat="server" />

 

五、RSS.aspx.cs

using System; using System.Collections.Generic; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace RSS20Tester { public partial class TodaySpecialListRSS : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { //方法1: //Response.ContentType = "text/xml"; //Response.Charset = "utf-8"; //方法2: //或在aspx页面的“