Пример #1
0
        public void ProcesserException()
        {
            var    scheduler = new QueueDuplicateRemovedScheduler();
            Spider spider    = Spider.Create(
                // crawler identity
                "youku",
                // use memoery queue scheduler
                scheduler,
                // default page processor will save whole html, and extract urls to target urls via regex
                new TestPageProcessor())
                               // save crawler result to file in the folder: \{running directory}\data\{crawler identity}\{guid}.dsd
                               .AddPipeline(new FilePipeline());

            spider.ClearSchedulerAfterCompleted = false;
            // dowload html by http client
            spider.Downloader = new HttpClientDownloader();
            spider.AddHeaders("v.youku.com", new Dictionary <string, object> {
                { "Upgrade-Insecure-Requests", "1" }
            });

            spider.ThreadNum = 1;
            // traversal deep 遍历深度
            spider.Depth          = 3;
            spider.EmptySleepTime = 6000;

            spider.AddRequests("http://v.youku.com/v_show/id_XMTMyMTkzNTY1Mg==.html?spm=a2h1n.8251845.0.0");
            spider.AddRequests("http://v.youku.com/v_show/id_XMjkzNzMwMDMyOA==.html?spm=a2h1n.8251845.0.0");
            spider.AddRequests("http://v.youku.com/v_show/id_XMjcwNDg0NDI3Mg==.html?spm=a2h1n.8251845.0.0");
            spider.AddRequests("http://v.youku.com/v_show/id_XMTMwNzQwMTcwMA==.html?spm=a2h1n.8251845.0.0");
            spider.AddRequests("http://v.youku.com/v_show/id_XMjk1MzI0Mzk4NA==.html?spm=a2h1n.8251845.0.0");
            spider.AddRequests("http://v.youku.com/v_show/id_XMjkzNzY0NzkyOA==.html?spm=a2h1n.8251845.0.0");
            spider.AddRequests("http://www.163.com/");

            // start crawler 启动爬虫
            spider.Run();

            Assert.Equal(5, spider.RetriedTimes.Value);
            Assert.Equal(0, scheduler.LeftRequestsCount);
            Assert.Equal(6, scheduler.SuccessRequestsCount);
            Assert.Equal(6, scheduler.ErrorRequestsCount);
        }