void GetLinks(string link, IW2S_BaiduCommend tsk, List <IW2S_ExcludeKeyword> excludedKeywords)
{
IW2SBotMng botmng = IW2SBotMng.Instance;
string[] searchKeywords = tsk.CommendKeyword.GetLower().Trim().Split(';');
List <KeywordScore> patterns = new List <KeywordScore>();
patterns.Add(new KeywordScore {
Keyword = tsk.CommendKeyword
});
//List<level1link> result = new List<level1link>();
int nohist_pages = 0;
int quried_pages = 0;
int rank = 1;
//最多搜索60页
while (!string.IsNullOrEmpty(link) && quried_pages <= 3)
{
log(link);
var html = get_html(link);
if (html == null)
{
break;
}
//处理百度推广链接
var propContents = new List <string>();
if (!string.IsNullOrEmpty(html.SubAfter("content_left").SubAfter("div id=\"400")))
{
propContents = html.SubAfter("content_left").SubAfter("div id=\"400").SubBefore("c-container").SplitWith("div id=\"400").ToList();
}
else if (!string.IsNullOrEmpty(html.SubAfter("content_left").SubAfter("divid=\"400")))
{
propContents = html.SubAfter("content_left").SubAfter("divid=\"400").SubBefore("c-container").SplitWith("divid=\"400").ToList();
}
foreach (var tag in propContents)
{
var a = tag.SubAfter("h3").SubAfter("a");
string title = a.SubBefore("</h3>").GetTxtFromHtml2();
if (!string.IsNullOrEmpty(title))
{
title = title.Trim();
}
string href = a.GetFirstHref2();
string abs = tag.SubAfter("</h3>").SubBefore("</a").GetTxtFromHtml2();
if (string.IsNullOrEmpty(abs))
{
abs = abs.Trim();
}
string domain = string.Empty;
//没有包含需要protect item信息的过滤掉
string txt = "{0}{1}".FormatStr(title, abs);
if (string.IsNullOrEmpty(txt))
{
continue;
}
HanleTagData(tsk, excludedKeywords, botmng, searchKeywords, patterns, title, href, abs, ref domain, tag, true, rank);
}
var tags = html.SubAfter("content_left").SplitWith("c-container");
if (tags == null || tags.Length == 0)
{
log("BLOCKED " + tsk.CommendKeyword);
break;
}
bool nohit = true;
foreach (string tag in tags)
{
var a = tag.SubAfter("h3").SubAfter("a");
string title = a.SubBefore("</h3>").GetTxtFromHtml2();
if (!string.IsNullOrEmpty(title))
{
title = title.Trim();
}
string href = a.GetFirstHref2();
string abs = tag.SubAfter("abstract").SubBefore("</div").GetTxtFromHtml2();
if (string.IsNullOrEmpty(abs))
{
abs = abs.Trim();
}
string domain = tag.SubLastStringAfter("\"f13").SubBefore("</span").GetTxtFromHtml2();
domain = GetDomain(domain);
//没有包含需要protect item信息的过滤掉
string txt = "{0}{1}".FormatStr(title, abs);
if (string.IsNullOrEmpty(txt))
{
continue;
}
HanleTagData(tsk, excludedKeywords, botmng, searchKeywords, patterns, title, href, abs, ref domain, tag, false, rank);
nohit = false;
nohist_pages = 0;
rank++;
}
if (nohit)
{
nohist_pages++;
}
//如果连续3页都没有结果，就跳出
if (nohist_pages > 3)
{
break;
}
quried_pages++;
pages++;
link = html.SubAfter("fk fk_cur").SubBefore("下一页").GetLastHref2();
if (!string.IsNullOrEmpty(link) && !link.IsStartWith("http"))
{
if (link.IsStartWith("/"))
{
link = link.SubAfter("/");
}
link = "http://www.baidu.com/".GetContact(link);
}
}
//return result;
}
private void HanleTagData(IW2S_BaiduCommend tsk, List <IW2S_ExcludeKeyword> excludedKeywords, IW2SBotMng botmng, string[] searchKeywords, List <KeywordScore> patterns, string title, string href, string abs, ref string domain, string tag, bool isMarket, int rank)
{
int maxScore = 0;
string realUrl = null, detailHtml = null, abstracts = null;
byte appType = 0;
int?baiduVStar = null;
if (tag.Contains("c-icon-v1"))
{
baiduVStar = 1;
}
else if (tag.Contains("c-icon-v2"))
{
baiduVStar = 2;
}
else if (tag.Contains("c-icon-v3"))
{
baiduVStar = 3;
}
if (!string.IsNullOrWhiteSpace(href))
{
//Encoding enc = Encoding.UTF8;
//detailHtml = HtmlQueryHelper.GetContent(href, 8000, ref enc, out realUrl);
var tuplehtml = get_htmlUrl(href);
if (tuplehtml != null && !string.IsNullOrEmpty(tuplehtml.Item1))
{
realUrl = tuplehtml.Item1;
}
if (tuplehtml != null && !string.IsNullOrEmpty(tuplehtml.Item2))
{
detailHtml = tuplehtml.Item2;
}
if (!string.IsNullOrEmpty(realUrl) && string.IsNullOrEmpty(domain))
{
domain = GetDomain(realUrl);
}
}
if (!string.IsNullOrEmpty(detailHtml) && detailHtml.Contains("document.getElementById(\"link\").click()"))
{
var gourl = detailHtml.GetFirstHref2();
if (!string.IsNullOrEmpty(gourl))
{
var tuplehtml = get_htmlUrl(gourl);
if (tuplehtml != null && !string.IsNullOrEmpty(tuplehtml.Item1))
{
realUrl = tuplehtml.Item1;
}
if (tuplehtml != null && !string.IsNullOrEmpty(tuplehtml.Item2))
{
detailHtml = tuplehtml.Item2;
}
if (!string.IsNullOrEmpty(realUrl) && string.IsNullOrEmpty(domain))
{
domain = GetDomain(realUrl);
}
}
}
if (string.IsNullOrEmpty(realUrl))
{
realUrl = href;
}
List <KeywordScore> matchpatterns = new List <KeywordScore>();
if (string.IsNullOrEmpty(detailHtml))
{
return;
}
else
{
//if (!detailHtml.Contains(tsk.CommendKeyword))
//{
// return;
//}
var hrefs = detailHtml.GetDescendents("a", "href");
StringBuilder sbabstracts = new StringBuilder();
List <string> abstractlist = new List <string>();
StringBuilder sbabstractlist = new StringBuilder();
foreach (KeywordScore pattern in patterns)
{
string[] splitDetailHtmls = detailHtml.SplitWith(pattern.Keyword);
if (splitDetailHtmls.Length > 1)
{
matchpatterns.Add(pattern);
}
StringBuilder sbpatternStr = new StringBuilder();
for (int i = 0; i < splitDetailHtmls.Length - 1; i++)
{
string splitDetailHtml1 = splitDetailHtmls[i];
string splitDetailHtml2 = i < splitDetailHtmls.Length - 2 ? splitDetailHtmls[i + 1] : "";
for (int j = splitDetailHtml1.Length - 1; j >= 0; j--)
{
if (split_bef_commas.Contains(splitDetailHtml1[j]) && j - 1 >= 0 && !split_num_commas.Contains(splitDetailHtml1[j - 1]))
{
break;
}
sbpatternStr.Append(splitDetailHtml1[j]);
}
for (int q = sbpatternStr.Length - 1; q >= 0; q--)
{
sbabstracts.Append(sbpatternStr[q]);
}
sbabstracts.Append(pattern.Keyword);
sbpatternStr.Clear();
for (int j = 0; j < splitDetailHtml2.Length; j++)
{
if (split_aft_commas.Contains(splitDetailHtml2[j]) && j + 1 < splitDetailHtml2.Length && !split_num_commas.Contains(splitDetailHtml2[j + 1]))
{
break;
}
sbpatternStr.Append(splitDetailHtml2[j]);
}
sbabstracts.Append(sbpatternStr);
sbpatternStr.Clear();
string tmpsbabstracts = sbabstracts.ToString();
tmpsbabstracts = IW2SBaiduQuery.RemoveInivalidChar(tmpsbabstracts.GetTxtFromHtml2().RemoveSpace().GetLower());
if (!abstractlist.Contains(tmpsbabstracts))
{
abstractlist.Add(tmpsbabstracts);
sbabstractlist.Append(tmpsbabstracts).Append(" ");
}
sbabstracts.Clear();
}
}
//获取摘要
abstracts = sbabstractlist.ToString();
if (!string.IsNullOrEmpty(abstracts) && matchpatterns.Count > 0)
{
maxScore = matchpatterns.Max(x => x.Score ?? 50);
appType = matchpatterns.Where(x => x.BizType > 0).OrderByDescending(x => x.Score).Select(x => x.BizType).FirstOrDefault();
maxScore += matchpatterns.Sum(x => (x.Score ?? 50) / 10);
maxScore -= matchpatterns.Max(x => (x.Score ?? 50) / 10);
}
}
if (string.IsNullOrEmpty(abstracts) && !string.IsNullOrEmpty(abs))
{
matchpatterns = patterns.Where(x => abs.Contains(x.Keyword)).ToList();
if (matchpatterns.Count > 0)
{
maxScore = matchpatterns.Max(x => x.Score ?? 50);
appType = matchpatterns.Where(x => x.BizType > 0).OrderByDescending(x => x.Score).Select(x => x.BizType).FirstOrDefault();
maxScore += matchpatterns.Sum(x => (x.Score ?? 50) / 10);
maxScore -= matchpatterns.Max(x => (x.Score ?? 50) / 10);
}
}
if (maxScore > 100)
{
maxScore = 100;
}
bool is_title_matched = title.GetLower().IsContains2(searchKeywords);
bool is_abstr_matched = abs.IsContains2(searchKeywords);
BaiduItemPart part = is_title_matched && is_abstr_matched ? BaiduItemPart.TitleAbstract :
is_title_matched ? BaiduItemPart.Title :
is_abstr_matched ? BaiduItemPart.Abstract : BaiduItemPart.None;
Regex reg = new Regex("(20\\d{2}[-/]\\d{1,2}[-/]\\d{1,2})|(20\\d{2}年\\d{1,2}月\\d{1,2}日)");
MatchCollection mc = reg.Matches(detailHtml);
//MatchCollection cols = reg.Matches(item.Html);
string time = "";
if (mc.Count > 0)
{
foreach (Match x in mc)
{
//判断是正文中的还是代码和注释中的时间
if (!string.IsNullOrEmpty(x.Value))
{
var txt = detailHtml.SubAfter(x.Value);
var index1 = txt.IndexOf('<');
var index2 = txt.IndexOf('>');
var index3 = txt.IndexOf('\"');
//只使用正文中的时间
if (index1 < index2 && index1 < index3)
{
time = x.Value;
break;
}
}
}
}
IW2S_level1link l1 = new IW2S_level1link
{
UsrId = tsk.UsrId,
Domain = domain,
TopDomain = GetLevel1Domain(domain),
Keywords = string.Format("{0}", tsk.CommendKeyword),
LinkUrl = realUrl,
MatchAt = (byte)part,
Html = detailHtml,
AppType = appType,
BizId = IDHelper.GetGuid("{0}/{1}".FormatStr(realUrl, tsk._id.ToString())),
SearchkeywordId = tsk._id.ToString(),
CreatedAt = DateTime.UtcNow.AddHours(8),
Description = abs,
Title = title,
Score = maxScore,
Abstract = abstracts,
IsMarket = isMarket,
ProjectId = tsk.ProjectId,
PublishTime = time,
AlternateFields = "0",
Rank = rank
};
if (baiduVStar.HasValue)
{
l1.BaiduVStar = baiduVStar.Value;
}
botmng.save_level1_links(new List <IW2S_level1link> {
l1
}, tsk, excludedKeywords);
}
