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 }