/// <summary>
/// 从在线网页提取数据
/// </summary>
/// <param name="i"></param>
private static void CrawlerMovieInfoFromOnline(string indexURL, int movieType)
{
var newMovieCount = 0;
var htmlDoc = HTTPHelper.GetHTMLByURL(indexURL);
var dom = htmlParser.Parse(htmlDoc);
dom.QuerySelector("div.co_content8")
?.QuerySelectorAll("a")
.Where(a => a.GetAttribute("href").StartsWith("/i/"))
.ForEach(a =>
{
var onlineURL = "http://www.dy2018.com" + a.GetAttribute("href");
if (!MovieDataContent.Movies.Any(mo => mo.OnlineUrl == onlineURL))
{
var movieInfo = GetMovieInfoFromURL(onlineURL);
if (movieInfo != null)
{
movieInfo.MovieType = MovieType.Latest;
MovieDataContent.Movies.Add(movieInfo);
newMovieCount++;
}
}
});
MovieDataContent.SaveChanges();
LogHelper.Info($"Finish Dy2018 Crawl {movieType.ToString()}MovieInfo,New Data Count:{newMovieCount},IndexURL:{indexURL}");
}
private static string GetHTMLByHTTPWebRequest(string indexURL)
{
HttpWebRequest httpWebRequest = WebRequest.CreateHttp(indexURL);
AddCookies(httpWebRequest);
var html = HTTPHelper.GetHTML(httpWebRequest);
return(html);
}
private static string GetHTMLOnJumpWebPage(string htmlDoc)
{
if (htmlDoc.Contains("window.location"))
{
var tempDom = htmlParser.Parse(htmlDoc);
var scriptDom = tempDom.QuerySelector("script");
var tempURL = "http://www.dy2018.com" + scriptDom.InnerHtml.Replace("window.location=", "")
.Replace("+", "").Replace("\"", "").Replace(" ", "").Replace(";", "");
htmlDoc = HTTPHelper.GetHTMLByURL(tempURL);
LogHelper.Info($"GetHTML From JumpURL {(string.IsNullOrEmpty(htmlDoc) ? "Success" : "Fail")}!,the URL:{tempURL}");
}
//LogHelper.Info(htmlDoc);
return(htmlDoc);
}
public static void CrawlHostMovieInfo()
{
Task.Factory.StartNew(() =>
{
try
{
#region
int newMovieCount = 0;
var indexURL = "http://www.btdytt520.com/movie/";
var html = HTTPHelper.GetHTMLByURL(indexURL, true);
if (string.IsNullOrEmpty(html))
{
return;
}
var htmlDom = htmlParser.Parse(html);
htmlDom.QuerySelector("div.index_Sidebar_cc")
.QuerySelectorAll("a")
.ForEach(a =>
{
var onlineURL = "http://www.btdytt520.com" + a.GetAttribute("href");
if (!MovieDataContent.Movies.Any(mo => mo.OnlineUrl == onlineURL))
{
var movieInfo = GetMovieInfoURL(onlineURL);
if (movieInfo != null)
{
movieInfo.MovieType = MovieType.Latest;
MovieDataContent.Movies.Add(movieInfo);
newMovieCount++;
}
}
});
MovieDataContent.SaveChanges();
LogHelper.Info($"Finish Btdytt520 CrawlHostMovieInfo,New Data Count:{newMovieCount}");
#endregion
}
catch (Exception ex)
{
LogHelper.Error("Btdytt520 CrawlHostMovieInfo Exception", ex);
}
});
}
/// <summary>
/// 从在线网页提取电影数据
/// </summary>
/// <param name="onlineURL"></param>
/// <returns></returns>
private static MovieInfo GetMovieInfoFromURL(string onlineURL)
{
try
{
var movieHTML = HTTPHelper.GetHTMLByURL(onlineURL);
if (string.IsNullOrEmpty(movieHTML))
{
return(null);
}
var movieDoc = htmlParser.Parse(movieHTML);
var zoom = movieDoc.GetElementById("Zoom");
var lstDownLoadURL = movieDoc.QuerySelectorAll("[bgcolor='#fdfddf']");
var updatetime = movieDoc.QuerySelector("span.updatetime");
var pubDate = DateTime.Now;
if (!string.IsNullOrEmpty(updatetime?.TextContent))
{
DateTime.TryParse(updatetime.TextContent.Replace("发布时间：", ""), out pubDate);
}
var lstURL = lstDownLoadURL.Select(a => a.QuerySelector("a")?.TextContent ?? "");
var movieName = movieDoc.QuerySelector("div.title_all")?.QuerySelector("h1");
var movieInfo = new MovieInfo()
{
MovieName = movieName.TextContent ?? "找不到影片信息...",
OnlineUrl = onlineURL,
MovieIntro = zoom?.TextContent ?? "暂无介绍...",
DownLoadURLList = string.Join(";", lstURL),
PubDate = pubDate.Date,
DataCreateTime = DateTime.Now,
SoureceDomain = SoureceDomainConsts.Dy2018Domain,
//MovieType=(int)MovieTypeEnum.Latest
};
return(movieInfo);
}
catch (Exception ex)
{
LogHelper.Error("Dy2018 GetMovieInfoFromURL Exception", ex, new { OnloneURL = onlineURL });
return(null);
}
}
/// <summary>
/// 爬取数据
/// </summary>
public static void CrawlHotMovie()
{
Task.Factory.StartNew(() =>
{
try
{
var newMovieCount = 0;
LogHelper.Info("Dy2018 CrawlHotMovie Start...");
var htmlDoc = HTTPHelper.GetHTMLByURL("http://www.dy2018.com/");
htmlDoc = GetHTMLOnJumpWebPage(htmlDoc);
var dom = htmlParser.Parse(htmlDoc);
dom.QuerySelectorAll("div.co_content222")
?.Take(3)
.Select(divInfo => divInfo.QuerySelectorAll("a").Where(a => a.GetAttribute("href").StartsWith("/i/")))
.Aggregate((IEnumerable <IElement> a, IEnumerable <IElement> b) => a.Concat(b))
.ForEach(a =>
{
var onlineURL = "http://www.dy2018.com" + a.GetAttribute("href");
if (!MovieDataContent.Movies.Any(mo => mo.OnlineUrl == onlineURL))
{
var movieInfo = GetMovieInfoFromURL(onlineURL);
if (movieInfo != null)
{
movieInfo.MovieType = MovieType.Latest;
MovieDataContent.Movies.Add(movieInfo);
newMovieCount++;
}
}
});
MovieDataContent.SaveChanges();
LogHelper.Info($"Finish Dy2018 CrawlHotMovie,New Data Count:{newMovieCount}");
}
catch (Exception ex)
{
LogHelper.Error("Dy2018 CrawlHotMovie Exception", ex);
}
});
}
