Console.WriteLine("*****************糗事百科24小时热门*******************");
 Console.WriteLine("请输入页码，输入0退出");
 string page = Console.ReadLine();
 while (page!="0") {
 HtmlWeb htmlWeb = new HtmlWeb();
 HtmlDocument htmlDoc = htmlWeb.Load("http://www.qiushibaike.com/hot/page/"+page);
 HtmlNodeCollection qiuNodeList = htmlDoc.DocumentNode.SelectNodes("//*[@class='content']");
 foreach (HtmlNode qiuCont in qiuNodeList) {
  Console.WriteLine(qiuCont.InnerHtml);
  Console.WriteLine("******************************************************************************");
 }
 Console.WriteLine("请输入页码，输入0退出");
 page = Console.ReadLine();
}