把多条数据序列化存储在cookie并取出

 1 namespace shendeng.lottery.helper

 2 {

 3     public class ControllerHelper

 4     {

 5         /// <summary>

 6         /// 取出公告

 7         /// </summary>

 8         /// <returns></returns>

 9         public static List<New> GetNewList()

10         {

11             List<New> list = null;

12             System.Web.Script.Serialization.JavaScriptSerializer jss = new System.Web.Script.Serialization.JavaScriptSerializer();

13             //如果cookie里有值就直接取

14             if (System.Web.HttpContext.Current.Request.Cookies["news"] != null)

15             {

16                 string strNews = System.Web.HttpContext.Current.Request.Cookies["news"].Value;

17                 if (!string.IsNullOrEmpty(strNews))

18                 {

19                     list = jss.Deserialize<List<New>>(strNews);

20                 }

21             }

22             else

23             {

24                 //lotteryDataContex datas = new DatabaseFactory().Get();

25                 //公告类型

26                 Guid newtypeId = Guid.Parse("6029379D-06D0-42E8-8DE6-872B4A621B65");

27                 list = new NewRepository(new DatabaseFactory()).GetTopManyOrderBy(n => n.NewTypeId == newtypeId && n.StartTime < DateTime.Now && n.EndTime > DateTime.Now && n.State != 9 && n.Enabled == true, n => n.CreateTime, 5, true).ToList();

28                 //序列化存入cookie

29                 string serList = jss.Serialize(list);

30                 HttpCookie hc = new HttpCookie("news", serList);

31                 hc.Expires = DateTime.Now.AddHours(2);

32                 System.Web.HttpContext.Current.Response.Cookies.Add(hc);

33             }

34             return list;

35         }

36 

37 

38 

39     }

40 }