public override async Task <LaGouResponseDataCollection> CollectAsync(LaGouSearchParam searchParam) { string encodedCityName = WebTool.UrlEncodeByW3C(searchParam.CityName); string encodedKeyword = WebTool.UrlEncodeByW3C(searchParam.Keyword); var jobListUri = PcWebApiProvider.GetJobListUri(encodedCityName, encodedKeyword, searchParam.SearchType); LaGouResponseDataCollection dataCollection = new LaGouResponseDataCollection(); using var browser = await PuppeteerConsole.LauncherBrowser(false); using var page = await browser.NewPageAsync(); page.Response += OnResponsed; await page.GoToAsync(jobListUri.AbsoluteUri).ConfigureAwait(false); //Get the first page directly. for (int i = 0; i < searchParam.MaxPage - 1; i++) { await Task.Delay(RandomTool.NextInt(2000, 4000)); await page.HoverAsync(NextPageElementSelector); await Task.Delay(RandomTool.NextInt(3000, 5000)); await page.ClickAsync(NextPageElementSelector); } return(dataCollection); async void OnResponsed(object sender, ResponseCreatedEventArgs args) { var rsp = args.Response; if (!rsp.Url.StartsWith(PcWebApiProvider.PositionAjaxUrlPrefix)) { return; } if (!rsp.Ok) { return; } string rspText = null; try { rspText = await rsp.TextAsync(); } catch (Exception ex) { ShowLogException(ex); return; } var data = PcWebApiProvider.CreateResponseData(rspText, out string _); if (data is null) { return; } dataCollection.AddResponseData(data); dataCollection.FillPositions(searchParam.Keyword); dataCollection.FillCompanies(searchParam.CityName); } }
public override async Task <LaGouResponseDataCollection> CollectAsync(LaGouSearchParam searchParam) { string encodedCityName = WebTool.UrlEncodeByW3C(searchParam.CityName); string encodedKeyword = WebTool.UrlEncodeByW3C(searchParam.Keyword); LaGouResponseDataCollection dataCollection = new LaGouResponseDataCollection(); using (var client = CreateHttpClient()) { await TryInitCookiesAsync(client, encodedCityName, encodedKeyword, searchParam.SearchType); await Task.Delay(100); string sid = null; using (var postContent = PcWebApiProvider.GetPositionAjaxContent(encodedKeyword, "1")) { string ajaxRsp = await PostPositionAjaxAsync(client, postContent, encodedCityName, encodedKeyword, searchParam.SearchType); var data = PcWebApiProvider.CreateResponseData(ajaxRsp, out sid); if (data != null) { dataCollection.AddResponseData(data); } } for (int i = 2; i <= searchParam.MaxPage; i++) { await Task.Delay(RandomTool.NextIntSafely(4000, 6000)); using (var postContent = PcWebApiProvider.GetPositionAjaxContent(encodedKeyword, i.ToString(), sid)) { string ajaxRsp = await PostPositionAjaxAsync(client, postContent, encodedCityName, encodedKeyword, searchParam.SearchType); var data = PcWebApiProvider.CreateResponseData(ajaxRsp, out sid); if (data != null) { dataCollection.AddResponseData(data); } } } } dataCollection.FillPositions(searchParam.Keyword); dataCollection.FillCompanies(searchParam.CityName); return(dataCollection); }