cefSharp获取百度搜索结果页面的源码

using CefSharp;
using CefSharp.WinForms;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
using HT=HtmlAgilityPack;
namespace CefSharpGetHtml
{

public partial class Form1 : Form
{
    public string url { get; private set; }
    public string path { get; private set; }

        ChromiumWebBrowser webBrowser = null;
        public Form1(string[] args)
        {
            InitializeComponent();

             url=args[0];
        }


        private async void web_Load(object sender, FrameLoadEndEventArgs e)
        {

            if (webBrowser != null && webBrowser.IsBrowserInitialized)
            {


                //调试
                // webBrowser.GetBrowser().ShowDevTools();
                var task1 = await webBrowser.GetSourceAsync();


                //                    var task = webBrowser.EvaluateScriptAsync(@"
                // (function() {
                //   return document.getElementsByTagName('html')[0].innerHTML;
                //  })();");

                //    object result;
                //    task.ContinueWith(t =>
                //    {
                //        if (!t.IsFaulted)
                //        {
                //            var response = t.Result;
                //            result = response.Success ? (response.Result ?? "null") : response.Message;
                //            MessageBox.Show("得到的结果是： " + result);
                //        }
                //        else
                //        {
                //            MessageBox.Show("出错了");
                //        }
                //    }, TaskContinuationOptions.PreferFairness);
                //}
                //try
                //{
                //    webBrowser.CloseDevTools();
                //    webBrowser.GetBrowser().CloseBrowser(true);
                //}
                //catch { }

                //try
                //{
                //    if (webBrowser != null)
                //    {
                //        webBrowser.Dispose();
                //        Cef.Shutdown();
                //    }
                //}
                //catch { }  


                this.webBrowser.FrameLoadEnd += Last_Load;
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            string path = url;
            var setting = new CefSharp.CefSettings();
          //  setting.UserAgent = "Mozilla/5.0 (iPhone; CPU iPhone OS 10_3_2 like Mac OS X) AppleWebKit/603.2.4 (KHTML, like Gecko) Version/10.0 Mobile/14F89 Safari/602.1";
            setting.UserAgent = " Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.109 Safari/537.36";
            CefSharp.Cef.Initialize(setting, true, false);
            webBrowser = new ChromiumWebBrowser(path);
            webBrowser.Dock = DockStyle.Fill;//填充方式
            this.Controls.Add(webBrowser);
            this.webBrowser.FrameLoadEnd += web_Load;
        }
        private async void Last_Load(object sender, FrameLoadEndEventArgs e)
        {


            if (webBrowser != null && webBrowser.IsBrowserInitialized)
            {
                var task1 = await webBrowser.GetSourceAsync();
                webBrowser.RequestHandler = new myrequesthandler(); 
                System.IO.File.WriteAllText(@"d:\\cefSharpWeiBo.html",task1,Encoding.UTF8);
                try
                {
                   // webBrowser.CloseDevTools();
                    webBrowser.GetBrowser().CloseBrowser(true);
                }
                catch { }

                try
                {
                    if (webBrowser != null)
                    {
                        webBrowser.Dispose();
                        Cef.Shutdown();
                    }
                }
                catch { }  
            //HT.HtmlDocument doc = new HT.HtmlDocument();
            //    doc.LoadHtml(task1);
            //   var node= doc.DocumentNode.SelectSingleNode("//div");
            //   Console.WriteLine(node.InnerText);
      }
        }

    }
}