Cache缓存

int cacheOutTime = Convert.ToInt32(System.Configuration.ConfigurationManager.AppSettings["CacheOutTime"]);

List<Student> listModel = new List<Student>();

Cache cache = HttpRuntime.Cache;

string cacheItemMo = "Community";

if (cache[cacheItemMo] == null )

{

listModel = GetList();

cache.Insert(cacheItemMo, listModel, null, DateTime.Now.AddSeconds(cacheOutTime), Cache.NoSlidingExpiration);

}

else

{

listModel = cache[cacheItemMo] as List<Student>;

if (listModel == null )

{

listModel = GetList();

cache.Insert(cacheItemMo, listModel, null, DateTime.Now.AddSeconds(cacheOutTime), Cache.NoSlidingExpiration);

}

}