using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using HtmlAgilityPack;
namespace DemoCnBlogs
{
class Program
{
static void Main(string[] args)
{
HtmlWeb web = new HtmlWeb();
HtmlDocument doc = web.Load("http://www.cnblogs.com/pick/");
HtmlNode node = doc.GetElementbyId("post_list");
StreamWriter sw = File.CreateText("log.txt");
foreach (HtmlNode child in node.ChildNodes)
{
if (child.Attributes["class"] == null || child.Attributes["class"].Value != "post_item")
continue;
HtmlNode hn = HtmlNode.CreateNode(child.OuterHtml);
///如果用child.SelectSingleNode("//*[@class=\"titlelnk\"]").InnerText这样的方式查询,是永远以整个document为基准来查询,
///这点就不好,理应以当前child节点的html为基准才对。
Write(sw, String.Format("推荐:{0}", hn.SelectSingleNode("//*[@class=\"diggnum\"]").InnerText));
Write(sw, String.Format("标题:{0}", hn.SelectSingleNode("//*[@class=\"titlelnk\"]").InnerText));
Write(sw, String.Format("介绍:{0}", hn.SelectSingleNode("//*[@class=\"post_item_summary\"]").InnerText));
Write(sw, String.Format("信息:{0}", hn.SelectSingleNode("//*[@class=\"post_item_foot\"]").InnerText));
Write(sw, "----------------------------------------");
}
sw.Close();
Console.ReadLine();
}
static void Write(StreamWriter writer, string str)
{
Console.WriteLine(str);
writer.WriteLine(str);
}
}
}