//首页
 public ActionResult Index()
 {
     //排序规则
     ViewBag.sequnce = "飞雪连天射白鹿笑书神侠倚碧鸳";
     List<JY_Book> allBook = null;
     using (JYBookDao dao = new JYBookDao())
         allBook = dao.getAll();
     string content = "";
     foreach (string item in allBook.Select(t => t.Name))
         content += (item + "、");
     content = content.Substring(0, content.Length - 1);
     ViewBag.content = content;
     return View(allBook);
 }