public static CursePageLink TryPraseSpan(string html)
{
HtmlDocument doc = new HtmlDocument();
doc.LoadHtml("<html>" + html + "</html>");
var a = doc.DocumentNode.SelectSingleNode("//span");
CursePageLink l = new CursePageLink();
if (null != a)
{
l.href = null;
l.title = a.InnerText;
l.iscurrent = true;
return(l);
}
return(null);
}
public static CursePageLink TryPraseLink(string html)
{
HtmlDocument doc = new HtmlDocument();
doc.LoadHtml("<html>" + html + "</html>");
var a = doc.DocumentNode.SelectSingleNode("//a");
CursePageLink l = new CursePageLink();
if (null != a)
{
l.href = a.GetAttributeValue("href", "");
l.title = a.InnerText;
if (l.title.ToLower().Equals("prev"))
{
l.ispre = true;
}
if (l.title.ToLower().Equals("next"))
{
l.islast = true;
}
return(l);
}
return(null);
}
/// <summary>
/// 解析分页
/// </summary>
/// <param name="html"></param>
/// <returns></returns>
public static List <CursePageLink> PrasePages(string html)
{
try
{
HtmlDocument doc = new HtmlDocument();
doc.LoadHtml(html);
var pl = doc.DocumentNode.SelectSingleNode("//ul[@class='b-pagination-list paging-list j-tablesorter-pager j-listing-pagination']");
HtmlDocument lis = new HtmlDocument();
lis.LoadHtml(pl.InnerHtml);
var pls = lis.DocumentNode.SelectNodes("//li");
List <CursePageLink> pages = new List <CursePageLink>();
foreach (var li in pls)
{
if (li.HasClass("b-pagination-item"))
{
CursePageLink l = CursePageLink.TryPraseLink(li.InnerHtml);
if (null == l)
{
l = CursePageLink.TryPraseSpan(li.InnerHtml);
}
pages.Add(l);
}
else
{
CursePageLink dot = new CursePageLink("...", null);
dot.isdot = true;
pages.Add(dot);
}
}
return(pages);
}
catch
{
return(null);
}
}