/// <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>
/// 正则表达式信息设置
/// </summary>
/// <param name="_engine"></param>
/// <param name="Url"></param>
/// <returns></returns>
public static CutRegexInfo GetCutRegexInfo(EnumSearchEngine _engine, string Url, bool isRecord)
{
CutRegexInfo Model = new CutRegexInfo();
switch (_engine)
{
case EnumSearchEngine.Google:
Model.regStart = "找到";
Model.regEnd = "条结果";
Model.encoding = "gb2312";
if (isRecord)
{
Model.siteUrl = "http://www.google.com.hk/search?hl=zh-CN&source=hp&q=site%3A" + Url;
}
else
{
Model.siteUrl = "http://www.google.com.hk/search?hl=zh-CN&source=hp&q=link:" + Url;
}
break;
case EnumSearchEngine.Baidu:
Model.regStart = "找到相关结果";
Model.regEnd = "个";
Model.encoding = "gb2312";
if (isRecord)
{
Model.siteUrl = "http://www.baidu.com/s?wd=site%3A" + Url;
}
else
{
Model.siteUrl = "http://www.baidu.com/s?cl=3&wd=domain:" + Url;
}
break;
case EnumSearchEngine.Yahoo:
Model.regStart = "找到相关网页";
Model.regEnd = "条";
Model.encoding = "utf-8";
if (isRecord)
{
Model.siteUrl = "http://one.cn.yahoo.com/s?p=site%3A" + Url;
}
else
{
Model.siteUrl = "http://sitemap.cn.yahoo.com/search?p=" + Url + "&bwm=i";
}
break;
case EnumSearchEngine.Sogou:
Model.regStart = "找到";
Model.regEnd = "个网页";
Model.encoding = "gb2312";
if (isRecord)
{
Model.siteUrl = "http://www.sogou.com/web?query=site%3A" + Url;
}
else
{
Model.siteUrl = "http://www.sogou.com/web?query=link:" + Url;
}
break;
case EnumSearchEngine.Soso:
Model.regStart = "搜索到";
Model.regEnd = "项结果";
Model.encoding = "gb2312";
if (isRecord)
{
Model.siteUrl = "http://www.soso.com/q?pid=s.idx&w=site%3A" + Url;
}
else
{
Model.siteUrl = "http://www.soso.com/q?pid=s.idx&w=link:" + Url;
}
break;
case EnumSearchEngine.Bing:
Model.regStart = "共";
Model.regEnd = "条";
Model.encoding = "utf-8";
if (isRecord)
{
Model.siteUrl = "http://cn.bing.com/search?form=QBLH&filt=all&q=site%3A" + Url;
}
else
{
Model.siteUrl = "http://cn.bing.com/search?form=QBLH&filt=all&q=link:" + Url;
}
break;
case EnumSearchEngine.Youdao:
Model.regStart = "共";
Model.regEnd = "条结果";
Model.encoding = "utf-8";
if (isRecord)
{
Model.siteUrl = "http://www.youdao.com/search?ue=utf8&keyfrom=web.index&q=site:" + Url;
}
else
{
Model.siteUrl = "http://www.youdao.com/search?ue=utf8&keyfrom=web.index&q=link:" + Url;
}
break;
}
return(Model);
}