//Get an XmlDocument object that contains the feed's XML
XmlDocument feedDocument =
GetXmlDocumentFromFeed("http://rss-feeds.msn.com/autos/autosnews.xml");
//Create a XmlNamespaceManager for our namespace.
XmlNamespaceManager manager =
newXmlNamespaceManager(feedDocument.NameTable);
//Add the RSS namespace to the manager.
manager.AddNamespace("rss", "http://purl.org/rss/1.0/");
//Get the title node out of the RSS document
XmlNode titleNode =
feedDocument.SelectSingleNode("/rss/channel/title", manager);
//Get the article nodes
XmlNodeList articleNodes =
feedDocument.SelectNodes("/rss/channel/item", manager);
//Loop through the articles and extract
// their data.
foreach (XmlNode articleNode in articleNodes)
{
//Get the article's title.
string title =
articleNode.SelectSingleNode("title", manager).InnerText;
//Get the article's link
string link =
articleNode.SelectSingleNode("link", manager).InnerText;
//Get the article's description
string description =
articleNode.SelectSingleNode("description", manager).InnerText;
}
如果所有的RSS feed都使用相同的格式,它将变得更强大,然而RSS feed有许多不同的版本和实现。在这篇文章中描述的格式适合大部分的feed,可能有少部分的RSS feed格式与这个格式不同。