解析 WEB 中所有 URL 的简单牛B代码，先保存起来，方式将来找不到了

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Net;
using Ivony.Fluent;
using Ivony.Web.Html;
using Ivony.Web.Html.Parser;
using Ivony.Web.Html.HtmlAgilityPackAdaptor;
using HtmlAgilityPack;

namespace Html解析
{
     public  partial  class _Default : System.Web.UI.Page
    {
         protected  void Page_Load( object sender, EventArgs e)
        {
             var client =  new WebClient();
             var html = client.DownloadString( " http://www.cnblogs.com/ ");

             var parser =  new JumonyParser();
             var document = parser.Parse(html);

             var links = document.Find( " a[href] ");

             var baseUrl =  new Uri( " http://www.cnblogs.com ");

             var data =  from hyperLink  in links
                       let url =  new Uri(baseUrl, hyperLink.Attribute( " href ").Value())
                        orderby url.AbsoluteUri
                        select  new
                       {
                           Url = url.AbsoluteUri,
                           IsLinkingOut = !url.Host.EndsWith( " cnblogs.com "),
                           Target = hyperLink.Attribute( " target ").Value() ??  " _self "
                       };

            GridView1.DataSource = data;
            GridView1.DataBind();

        }
    }
}