读取rss新闻程序代码,CSharp代码库,德仔网

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【CSharp】读取rss新闻程序
作者: / 发布于2011/1/18/ 554
<div>using System; 
using System.Data; 
using System.Configuration; 
using System.Web; 
using System.Web.Security; 
using System.Web.UI; 
using System.Web.UI.WebControls; 
using System.Web.UI.WebControls.WebParts; 
using System.Web.UI.HtmlControls; 
 
/// <summary> 
/// ReadRss 的摘要说明 
/// </summary> 
public class ReadRss 
{ 
 public ReadRss() 
 { 
 // 
 // TODO: 在此处添加构造函数逻辑 
 // 
 } 
 
 public string ProcessRSSItem(string rssURL) 
 { 
 string str = ""; 
 System.Net.WebRequest myRequest = System.Net.WebRequest.Create(rssURL); 
 System.Net.WebResponse myResponse = myRequest.GetResponse(); 
 
 System.IO.Stream rssStream = myResponse.GetResponseStream(); 
 System.Xml.XmlDocument rssDoc = new System.Xml.XmlDocument(); 
 rssDoc.Load(rssStream); 
 
 System.Xml.XmlNodeList rssItems = rssDoc.SelectNodes("/rss/channel/item"); 
 
 string title = ""; 
 string link = ""; 
 string description = ""; 
 
 for (int i = 0; i < rssItems.Count; i++) 
 { 
 System.Xml.XmlNode rssDetail; 
 
 rssDetail = rssItems.Item(i).SelectSingleNode("title"); 
 if (rssDetail != null) 
 { 
 title = rssDetail.InnerText; 
 } 
 else 
 { 
 title = ""; 
 } 
 
 rssDetail = rssItems.Item(i).SelectSingleNode("link"); 
 if (rssDetail != null) 
 { 
 link = rssDetail.InnerText; 
 } 
 else 
 { 
 link = ""; 
 } 
 rssDetail = rssItems.Item(i).SelectSingleNode("link"); 
 
 if (rssDetail != null) 
 { 
 
 link = rssDetail.InnerText; 
 
 } 
 
 else 
 { 
 
 link = ""; 
 
 } 
 
 rssDetail = rssItems.Item(i).SelectSingleNode("description"); 
 
 if (rssDetail != null) 
 { 
 
 description = rssDetail.InnerText; 
 } 
 else 
 { 
 
 description = ""; 
 
 } 
 if (title.Length > 14) 
 { 
 title = title.Substring(0, 14); 
 } 
 
 str += "<li><a href=""+link+"" mce_href=""+link+"" title='"+title+"' target='_blank'>"+title+"</a></li>"; 
 } 
 return str; 
 } 
 
 public string ReadNews(string rssURL) 
 { 
 string str = ""; 
 System.Net.WebRequest myRequest = System.Net.WebRequest.Create(rssURL); 
 System.Net.WebResponse myResponse = myRequest.GetResponse(); 
 
 System.IO.Stream rssStream = myResponse.GetResponseStream(); 
 System.Xml.XmlDocument rssDoc = new System.Xml.XmlDocument(); 
 rssDoc.Load(rssStream); 
 
 System.Xml.XmlNodeList rssItems = rssDoc.SelectNodes("/rss/channel/item"); 
 
 string title = ""; 
 string link = ""; 
 string description = ""; 
 string source = ""; 
 
 for (int i = 0; i < rssItems.Count; i++) 
 { 
 System.Xml.XmlNode rssDetail; 
 
 rssDetail = rssItems.Item(i).SelectSingleNode("title"); 
 if (rssDetail != null) 
 { 
 title = rssDetail.InnerText; 
 } 
 else 
 { 
 title = ""; 
 } 
 
 rssDetail = rssItems.Item(i).SelectSingleNode("link"); 
 if (rssDetail != null) 
 { 
 link = rssDetail.InnerText; 
 } 
 else 
 { 
 link = ""; 
 } 
 rssDetail = rssItems.Item(i).SelectSingleNode("link"); 
 
 if (rssDetail != null) 
 { 
 
 link = rssDetail.InnerText; 
 
 } 
 
 else 
 { 
 
 link = ""; 
 
 } 
 rssDetail = rssItems.Item(i).SelectSingleNode("description"); 
 
 if (rssDetail != null) 
 { 
 
 description = rssDetail.InnerText; 
 
 } 
 
 else 
 { 
 
 description = ""; 
 
 } 
 
 rssDetail = rssItems.Item(i).SelectSingleNode("source"); 
 if(rssDetail!=null) 
 { 
 source = rssDetail.InnerText; 
 } 
 else 
 { 
 source = ""; 
 } 
 if (title.Length > 20) 
 { 
 title = title.Substring(0,20); 
 } 
 
 
 str += "★<a href="" + link + "" mce_href="" + link + "" title='" + title + "' target='_blank'>" + title + "</a> 来源：" + source + "<br/>"; 
 } 
 return str; 
 } 
}
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