用C#实现RSS的生成和解析，支持RSS2.0和Atom格式

//通用解析RSS方法

        protected
void ShowRSS(string
rssURI)

        {

            SyndicationFeed sf = SyndicationFeed.Load(XmlReader.Create(rssURI));

            textBox1.Text += "title:"
+ sf.Title.Text + "\r\n";

            if
(sf.Links.Count > 0)

                textBox1.Text += "Link:"
+ sf.Links[0].Uri.ToString() + "\r\n";

            if
(sf.Authors.Count > 0 && !string.IsNullOrEmpty(sf.Authors[0].Uri))

                textBox1.Text += "Link:"
+ sf.Authors[0].Uri.ToString() + "\r\n";

            textBox1.Text += "pubDate:"
+ sf.LastUpdatedTime.ToString("yyyy-MM-dd HH:mm:ss") + "\r\n";

            foreach
(SyndicationItem it in
sf.Items)

            {

                textBox1.Text += "\r\n-----------------------------------------------------\r\n";

                textBox1.Text += "title:"
+ it.Title.Text + "\r\n";

                if
(it.Links.Count > 0)

                    textBox1.Text += "Link:"
+ it.Links[0].Uri.ToString() + "\r\n";

                textBox1.Text += "PubDate:"
+ it.PublishDate.ToString("yyyy-MM-dd HH:mm:ss") + "\r\n";

                if(it.Summary!=null)

                    textBox1.Text += "Summary:"
+ it.Summary.Text + "\r\n";

                if(it.Content!=null)

                    textBox1.Text += "Content:"
+ ((TextSyndicationContent)it.Content).Text + "\r\n";

                Application.DoEvents();

            }

        }

//解析博客园的RSS，该RSS版本为Atom，从http://feed.cnblogs.com/blog/u/18638/rss下载所得。

 ShowRSS(Application.StartupPath + "\\cnblogs.xml");

 //修改成博客园RSS地址进行测试

 //ShowRSS("http://feed.cnblogs.com/blog/u/18638/rss");

//解析创业邦的RSS，该RSS版本为RSS2.0

ShowRSS(Application.StartupPath + "\\cyb.xml");

//修改成创业邦RSS地址进行测试

//ShowRSS("http://www.cyzone.cn/rss/");

//生成RSS2.0

            SyndicationFeed feed = new
SyndicationFeed("博客园_DotNet笔记",

                "兴趣是最好的老师。",

                new
Uri("http://cnblogs.com/tuyile006"),

                "FeedID,如：uuid:0913a2a5-6900-42a0-a3ab-2ba6a1706b03;id=10373",

                DateTime.Now);

            List<SyndicationItem> items = new
List<SyndicationItem>();

            SyndicationItem item1 = new
SyndicationItem();

            item1.Title = new
TextSyndicationContent("博客标题，如：解析和生成RSS或Atom");

            item1.Content = SyndicationContent.CreatePlaintextContent("正文：本文讲述如何在.Net中实现Rss和Atom的生成和解析……");

            item1.Summary = SyndicationContent.CreatePlaintextContent("摘要：本文讲述如何在.Net中实现Rss和Atom的生成和解析");

            item1.PublishDate = DateTime.Now;

            items.Add(item1);

            SyndicationItem item2 = new
SyndicationItem();

            item2.Title = new
TextSyndicationContent("博客标题2，如：.Net笔记介绍");

            item2.Content = SyndicationContent.CreatePlaintextContent("正文：兴趣是最好的老师……");

            item2.Summary = SyndicationContent.CreatePlaintextContent("摘要：小y的博客.Net笔记介绍");

            item2.PublishDate = DateTime.Now;

            items.Add(item2);

            //循环添加……

            feed.Items = items;

            XmlWriter xmlWriter = XmlWriter.Create("YourRSSFile.xml");

            feed.SaveAsRss20(xmlWriter);

            xmlWriter.Close();