c#HtmlAgilityPack解析html

通过HtmlAgilityPack实现对html页面解析
HtmlDocument doc = new HtmlDocument();
doc.Load(yourStream);

var itemList = doc.DocumentNode.SelectNodes("//span[@class='hidden first']")//this xpath selects all span tag having its class as hidden first
                  .Select(p => p.InnerText)
                  .ToList();
HtmlNode node = doc.DocumentNode.SelectSingleNode("//td[.='销售状态：']"); //获取第一个td内容为'销售状态：'的节点