开源项目 01 HtmlAgilityPack

using HtmlAgilityPack;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Xml;

namespace ConsoleApp2.test1
{
    public class Class1
    {
        //http://www.w3school.com.cn/xpath/index.asp
        //http://www.w3school.com.cn/xpath/xpath_syntax.asp

        public void test1()
        {
            //// 从物理路径的文件加载
            //var doc = new HtmlDocument();
            //doc.Load("./111/1.html");//文件路径

            //// 从Stream当中加载
            //var doc = new HtmlDocument();
            //doc.LoadHtml(html);

            //// 从网页的Url链接加载
            //var url = "http://www.cnblogs.com/xuliangxing/";
            //var web = new HtmlWeb();
            //var doc = web.Load(url);

            JumpKick.HttpLib.Http.Get("https://www.cnblogs.com/xuliangxing/p/8004403.html").OnSuccess(result =>
            {
                //Console.Write(result);

                HtmlAgilityPack.HtmlDocument doc = new HtmlAgilityPack.HtmlDocument();
                doc.LoadHtml(result);
                //HtmlNode titleNode = doc.DocumentNode.SelectSingleNode("//a[@id='cb_post_title_url']");
                //Console.WriteLine(titleNode.InnerHtml);

                //解析“div”的“id”为“cnblogs_post_body”，的子节点“h1”，并且位置是第“2”的个。
                HtmlNode titleNode = doc.DocumentNode.SelectSingleNode("//div[@id='cnblogs_post_body']/h1[position()=2]");
                Console.WriteLine(titleNode.InnerHtml);

            }).Go();
        }
    }

}