可能还有很多未完善,但终归可以使用了,以后再慢慢改进!!
以下是我RSS界面的后台代码,给需要的朋友提供下我的经验:
复制代码 代码如下:
usingSystem;
usingSystem.Data;
usingSystem.Configuration;
usingSystem.Collections;
usingSystem.Web;
usingSystem.Web.Security;
usingSystem.Web.UI;
usingSystem.Web.UI.WebControls;
usingSystem.Web.UI.WebControls.WebParts;
usingSystem.Web.UI.HtmlControls;
usingSystem.Data;
usingSystem.Data.SqlClient;
usingSystem.Xml;
usingSystem.IO;
usingSystem.Web.Configuration;
publicpartialclassrss:System.Web.UI.Page
{
stringHostUrl;
stringHttpHead;
protectedvoidPage_Load(objectsender,EventArgse)
{
HttpContextcontext=HttpContext.Current;
HostUrl=context.Request.Url.ToString();
HostUrl=HostUrl.Substring(0,HostUrl.IndexOf("/",8));
XmlTextWriterwriter=newXmlTextWriter(context.Response.OutputStream,System.Text.Encoding.UTF8);
WriteRSSPrologue(writer);
WriteRSSHeadChennel(writer);
stringsql="selecttop10title,id,time,contentfromblog_titleorderbytimedesc";
SqlDataReaderdr=dbconn.ExecuteReader(sql);
while(dr.Read())
{
AddRSSItem(writer,(((DateTime)dr["time"]).ToUniversalTime()).ToString("r"),dr["title"].ToString(),HostUrl,dr["content"].ToString());
}
dr.Close();
writer.Flush();
writer.Close();
context.Response.ContentEncoding=System.Text.Encoding.UTF8;
context.Response.ContentType="text/xml";
context.Response.Cache.SetCacheability(HttpCacheability.Public);
context.Response.End();
}
privateXmlTextWriterWriteRSSPrologue(XmlTextWriterwriter)
{
writer.WriteStartDocument();
writer.WriteStartElement("rss");
writer.WriteAttributeString("version","2.0");
writer.WriteAttributeString("xmlns:dc","http://purl.org/dc/elements/1.1/");
writer.WriteAttributeString("xmlns:trackbac","http://madskills.com/public/xml/rss/module/trackback/");
writer.WriteAttributeString("xmlns:wfw","http://wellformedweb.org/CommentAPI/");
writer.WriteAttributeString("xmlns:slash","http://purl.org/rss/1.0/modules/slash/");
returnwriter;
}
privateXmlTextWriterWriteRSSHeadChennel(XmlTextWriterwriter)
{
writer.WriteStartElement("channel");
writer.WriteElementString("title","编程博客（Nickeyj'sBlog）-最新日志");
writer.WriteElementString("link",HostUrl+"/");
writer.WriteElementString("description","编程博客（Nickeyj'sBlog）");
writer.WriteElementString("copyright","2008www.52bcnet.com");
writer.WriteElementString("generator","编程博客（Nickeyj'sBlog）RSS生成器2.0");
returnwriter;
}
privateXmlTextWriterAddRSSItem(XmlTextWriterwriter,stringpubDate,stringsItemTitle,stringsItemLink,stringsItemDescription)
{
writer.WriteStartElement("item");
writer.WriteElementString("title",sItemTitle);
writer.WriteElementString("link",sItemLink);
writer.WriteElementString("description",sItemDescription);
writer.WriteElementString("pubDate",pubDate);
writer.WriteEndElement();
returnwriter;
}
privateXmlTextWriterAddRSSItem(XmlTextWriterwriter,stringsItemTitle,stringsItemLink,stringsItemDescription,boolbDescAsCDATA)
{
writer.WriteStartElement("item");
writer.WriteElementString("title",sItemTitle);
writer.WriteElementString("link",sItemLink);
if(bDescAsCDATA==true)
{
writer.WriteStartElement("description");
writer.WriteCData(sItemDescription);
writer.WriteEndElement();
}
else
{
writer.WriteElementString("description",sItemDescription);
}
writer.WriteElementString("pubDate",DateTime.Now.ToString("r"));
writer.WriteEndElement();
returnwriter;
}
privateXmlTextWriterWriteRSSClosing(XmlTextWriterwriter)
{
writer.WriteEndElement();
writer.WriteEndElement();
writer.WriteEndDocument();
returnwriter;
}
}
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