BaiduMap Search List

using AnfleCrawler.Common;
using HtmlClient;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace AnfleCrawler.DataAnalyzer
{
    internal class BMap : AnalyzerBase
    {
        public override void Init(PageCrawler crawler)
        {
            base.Init(crawler);

            crawler.PushUrl(new Uri("http://map.baidu.com/"), 0);
        }

        protected override void AnalyzeInternal(PageLandEntity current)
        {
            using (var client = new CrossClient())
            {
                var content = new System.Net.HttpRequestContent();
                content.Headers[System.Net.HttpRequestHeader.UserAgent] = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1847.131 Safari/537.36";
                //ScriptingContext.FillAjaxBlock(content.Form, new AjaxBlockEntity[] 
                //{ 
                //    new AjaxBlockEntity()
                //    {
                //         ID="",

                //    }
                //});
                client.Navigate(current.Url, content);

                client.CurrentInvoke(@"        (function () {
            $('#PoiSearch').val('青浦 企业');
            $('#poiSearchBtn').click();
        })();");
                System.Threading.Thread.Sleep(8000);

                using (var writer = new System.IO.StreamWriter(App.CombinePath("out.txt"), true, Encoding.UTF8))
                {
                start:
                    string html = client.CurrentGetHtml();
                    var dom = new HtmlAgilityPack.HtmlDocument();
                    dom.LoadHtml(html);
                    try
                    {
                        foreach (var tr in QueryNodes(dom.DocumentNode, "#POI_TABLE_LST tr[id]"))
                        {
                            string title = QueryTexts(tr, ".poiTitleW").First();
                            string addr = QueryTexts(tr, ".n_p_lineheight").First();
                            string attrVal = QueryAttrs(tr, ".p_left a:first-child", "onclick").First();
                            attrVal = attrVal.Split(';')[2];
                            int s = attrVal.IndexOf("{"), e = attrVal.LastIndexOf("}");
                            string sJson = attrVal.Substring(s, e - s + 1).Replace("<br/>", "|");
                            var json = Newtonsoft.Json.Linq.JObject.Parse(sJson);

                            writer.Write("{0},{1},{2}", json.Value<string>("title"), json.Value<string>("content"), json.Value<string>("point"));
                            writer.WriteLine();
                            writer.Flush();
                            //SyncMgr.goFav({'point':'13494514.14|3640372','uid':'ca38818c8f551ef049fd3f9b','cityCode':'289','title':'新朋联众汽车零部件公司','content':'地址:华卫路29<br/>','panoGuid':''});
                            Crawler.OutWrite(json.Value<string>("title"));
                        }
                    }
                    catch (HtmlNodeMissingException ex)
                    {
                        App.LogInfo("HtmlNodeMissing:{0}
{1}", ex.Selector, html);
                        Crawler.OutWrite("HtmlNodeMissing:{0}", ex.Selector);
                        goto start;
                    }
                    client.CurrentInvoke(@"        (function () {
            $('#result_page_c a:last').click();
        })();");
                    System.Threading.Thread.Sleep(4000);
                    goto start;
                }
            }
        }
    }
}