/// <summary>
/// 反向链接信息
/// </summary>
public static string GetBackLinkInfo(EnumSearchEngine _engine, string Url)
{
CutRegexInfo model = SeoHelper.GetCutRegexInfo(_engine, Url, false);
string Html = HtmlCatch.GetHtml(model.siteUrl, model.encoding);
string Result = SeoHelper.GetMetaString(Html, model.regStart, model.regEnd, true);
return(HtmlCatch.NoHTML(Result));
}
/// <summary>
/// 获取某站点关键字在某搜索引擎的排名
/// </summary>
public static string GetKeyWordInfo(EnumSearchEngine _engine, string Url, string KeyWord)
{
System.Text.RegularExpressions.MatchCollection mc;
System.Text.RegularExpressions.MatchCollection mcOther;
string Html = "";
string resultText = "";
string searchUrl = "";
Regex reg;
Regex regOther;
switch (_engine)
{
case EnumSearchEngine.Baidu:
searchUrl = "http://www.baidu.com/s?tn=baiduadv&rn=100&q1=";
Html = HtmlCatch.GetHtml(searchUrl + HttpUtility.UrlEncode(KeyWord, System.Text.Encoding.GetEncoding("gb2312")), "gb2312");
// Url = Url.Replace("\\", "");
resultText = SeoHelper.GetMetaString(Html, "<div id=\"wrapper\">", "<font color=\"#008000\">" + Url + "", true);
reg = new Regex("<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\"");
regOther = new Regex("<table cellpadding=\"0\" cellspacing=\"0\"");
mc = reg.Matches(resultText);
mcOther = regOther.Matches(resultText);
return((mc.Count + mcOther.Count).ToString());
break;
case EnumSearchEngine.Google:
Html = HtmlCatch.GetHTMLByUrl("http://www.google.com.hk/search?hl=zh-CN&source=hp&num=100&q=" + HttpUtility.UrlEncode(KeyWord) + "", "Get", "", false, System.Text.Encoding.UTF8);
resultText = SeoHelper.GetMetaString(Html, "<title>", "<br><cite>\\S*?" + Url, true);
reg = new Regex("<li class=g>");
mc = reg.Matches(resultText);
return(mc.Count.ToString());
break;
default:
break;
}
return("0");
}