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  • Cache

    http://www.cnblogs.com/kissdodog/archive/2013/05/07/3064895.html

    using System.Web;

    public sealed class Cache : IEnumerable{}

    namespace ConsoleApplication1
    {
        class Person
        {
            public int Id { get; set; }
            public string Name { get; set; }
        }
        class Program
        {
            static void Main(string[] args)
            {
                Person person = new Person { Id = 1, Name = "诸葛亮" };
                Cache cache = HttpRuntime.Cache;
               /* //cache = HttpContext.Current.Cache;
                cache.Insert("AA",person);
                cache.Insert("BB","字符串");
    
                Console.WriteLine(cache.Get("BB").ToString());
                Person p = cache["AA"] as Person;
                if (p!=null)
                {
                    Console.WriteLine(p.Id+","+p.Name);
                }
                Console.WriteLine(cache.EffectivePercentagePhysicalMemoryLimit);
                Console.WriteLine(cache.EffectivePrivateBytesLimit);
                Console.WriteLine(cache.Count);
                Console.WriteLine(cache["BB"]);
                cache.Remove("BB");
                Console.WriteLine(cache["BB"]);
                foreach (var item in cache)
                {
                    Console.WriteLine(item.GetType()+"	");
                }
                Console.WriteLine("");
    
                cache.Insert("CC","依赖项测试",new CacheDependency(@"d:123.txt"));
                Console.WriteLine(cache["CC"]);
                //Console.ReadLine();
                //Console.WriteLine(cache["CC"]);
                Console.ReadLine();
                Console.WriteLine(cache["CC"]);
    
                cache.Insert("DD","绝对过期时间测试",null,DateTime.Now.AddSeconds(2),System.Web.Caching.Cache.NoSlidingExpiration);
                Console.WriteLine(cache["DD"]);
                //Thread.Sleep(3*1000);
                //Console.WriteLine(cache["DD"]);
                Thread.Sleep(2 * 1000);
                Console.WriteLine(cache["DD"]);
    
                cache.Insert("EE", "滑动过期时间", null, System.Web.Caching.Cache.NoAbsoluteExpiration, TimeSpan.FromSeconds(2));
                Console.WriteLine(cache["EE"]);
               // Console.ReadLine();
                //Thread.Sleep(4*1000);
                System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
                //sw.Start();
                Console.WriteLine(cache["EE"]);
                Thread.Sleep(1*1000);
                Thread.Sleep(600);
                Console.WriteLine(cache["EE"]);
                //for (int i = 0; i < 5000; i++)
                //{
                //    Console.Write(i+",");
                //}
                //Console.WriteLine();
               // sw.Stop();
                //Console.WriteLine(sw.ElapsedMilliseconds);
                sw.Start();
                Console.WriteLine(cache["EE"]);
                Thread.Sleep(1*1000);
                Thread.Sleep(600);
                sw.Stop();
                Console.WriteLine(sw.ElapsedMilliseconds);
                Console.WriteLine(cache["EE"]);*/
    
                cache.Add("MyData", "缓存移除通知", null, DateTime.Now.AddSeconds(2), Cache.NoSlidingExpiration, CacheItemPriority.Low,
                    (string key, object value, CacheItemRemovedReason reson) => { Cache ca = HttpRuntime.Cache; ca.Insert("MyData", "缓存被清空了"); });
                Console.WriteLine(cache["MyData"]);
                Thread.Sleep(2*1000);
                Console.WriteLine(cache["MyData"]);
                Console.ReadLine();
            }
    
        }
    }
    View Code
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  • 原文地址:https://www.cnblogs.com/futengsheng/p/7953874.html
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