public static void Main()
	{
		HttpClientDownloader downloader = new HttpClientDownloader();

		Core.Spider spider = Core.Spider.Create(new MyPageProcessor(), new QueueDuplicateRemovedScheduler()).AddPipeline(new MyPipeline()).SetThreadNum(1);
		var site = new Site() { EncodingName = "UTF-8" };
		for (int i = 1; i < 5; ++i)
		{
			site.AddStartUrl("http://www.youku.com/v_olist/c_97_g__a__sg__mt__lg__q__s_1_r_0_u_0_pt_0_av_0_ag_0_sg__pr__h__d_1_p_1.html");
		}
		spider.Site = site;
		spider.Start();
	}

	private class MyPipeline : IPipeline
	{
		public void Process(ResultItems resultItems, ISpider spider)
		{
			foreach (YoukuVideo entry in resultItems.Results["VideoResult"])
			{
				Console.WriteLine($"{entry.Name}:{entry.Click}");
			}

			//May be you want to save to database
			// 
		}

		public void Dispose()
		{
		}
	}

	private class MyPageProcessor : IPageProcessor
	{
		public void Process(Page page)
		{
			var totalVideoElements = page.Selectable.SelectList(Selectors.XPath("//div[@class='yk-col3']")).Nodes();
			List<YoukuVideo> results = new List<YoukuVideo>();
			foreach (var videoElement in totalVideoElements)
			{
				var video = new YoukuVideo();
				video.Name = videoElement.Select(Selectors.XPath("/div[4]/div[1]/a")).Value;
				video.Click = int.Parse(videoElement.Select(Selectors.Css("p-num")).Value.ToString());
				results.Add(video);
			}
			page.AddResultItem("VideoResult", results);
		}

		public Site Site => new Site { SleepTime = 0 };
	}

	public class YoukuVideo
	{
		public string Name { get; set; }
		public string Click { get; set; }
	}

    public class JdSkuSpider : SpiderBuilder
{
	protected override SpiderContext GetSpiderContext()
	{
		SpiderContext context = new SpiderContext();
		context.SetThreadNum(8);
		context.SetSpiderName("JD sku/store test " + DateTime.Now.ToString("yyyy-MM-dd HHmmss"));
		context.AddTargetUrlExtractor(new Extension.Configuration.TargetUrlExtractor
		{
			Region = new Extension.Configuration.Selector { Type = ExtractType.XPath, Expression = "//span[@class=\"p-num\"]" },
			Patterns = new List<string> { @"&page=[0-9]+&" }
		});
		context.AddPipeline(new MysqlPipeline
		{
			ConnectString = "Database='test';Data Source=86research.imwork.net;User ID=root;Password=1qazZAQ!;Port=4306"
		});
		context.AddStartUrl("http://list.jd.com/list.html?cat=9987,653,655&page=2&JL=6_0_0&ms=5#J_main", new Dictionary<string, object> { { "name", "手机" }, { "cat3", "655" } });
		context.AddEntityType(typeof(Product));
		
		return context;
	}

	[Schema("test", "sku", TableSuffix.Today)]
	[TypeExtractBy(Expression = "//li[@class='gl-item']/div[contains(@class,'j-sku-item')]", Multi = true)]
	[Indexes(Index = new[] { "category" }, Unique = new[] { "category,sku", "sku" })]
	public class Product : ISpiderEntity
	{
		[StoredAs("category", DataType.String, 20)]
		[PropertyExtractBy(Expression = "name", Type = ExtractType.Enviroment)]
		public string CategoryName { get; set; }

		[StoredAs("cat3", DataType.String, 20)]
		[PropertyExtractBy(Expression = "cat3", Type = ExtractType.Enviroment)]
		public int CategoryId { get; set; }

		[StoredAs("url", DataType.Text)]
		[PropertyExtractBy(Expression = "./div[1]/a/@href")]
		public string Url { get; set; }

		[StoredAs("sku", DataType.String, 25)]
		[PropertyExtractBy(Expression = "./@data-sku")]
		public string Sku { get; set; }

		[StoredAs("commentscount", DataType.String, 32)]
		[PropertyExtractBy(Expression = "./div[5]/strong/a")]
		public long CommentsCount { get; set; }

		[StoredAs("shopname", DataType.String, 100)]
		[PropertyExtractBy(Expression = ".//div[@class='p-shop']/@data-shop_name")]
		public string ShopName { get; set; }

		[StoredAs("name", DataType.String, 50)]
		[PropertyExtractBy(Expression = ".//div[@class='p-name']/a/em")]
		public string Name { get; set; }

		[StoredAs("venderid", DataType.String, 25)]
		[PropertyExtractBy(Expression = "./@venderid")]
		public string VenderId { get; set; }

		[StoredAs("jdzy_shop_id", DataType.String, 25)]
		[PropertyExtractBy(Expression = "./@jdzy_shop_id")]
		public string JdzyShopId { get; set; }

		[StoredAs("run_id", DataType.Date)]
		[PropertyExtractBy(Expression = "Monday", Type = ExtractType.Enviroment)]
		public DateTime RunId { get; set; }

		[PropertyExtractBy(Expression = "Now", Type = ExtractType.Enviroment)]
		[StoredAs("cdate", DataType.Time)]
		public DateTime CDate { get; set; }
	}
}

JdSkuSpider spider = new JdSkuSpider();
spider.Run();