首先下载windows平台下的memcached,然后安装。安装完之后就是启动memcached服务了,你可以在cmd下用dos命令输入,也可以在计算机管理->服务->memcached->启动.来开启服务.
随后就是在项目中引入相关dll:
Commons.dll,ICSharpCode.SharpZipLib.dll,log4net.dll,Memcached.ClientLibrary.dll
在项目的引用中引入Memcached.ClientLibrary.dll
随后就是编写程序了,在这里创建一个MVC程序:
在Models文件夹中创建一个类:
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[Serializable] public class VIP { public string UserName { get ; set ; } public int ? Vip { get ; set ; } public DateTime? VipEndDate { get ; set ; } public string Mail { get ; set ; } public string QQ { get ; set ; } } |
若没有标注为可序列化,则后续运行程序将会报错。
随后创建一个MemcachedHelper类来辅助编程.
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public class MemcachedHelper { public static MemcachedClient mclient; static MemcachedHelper() { string [] serverlist = new string [] { "127.0.0.1:11211" }; SockIOPool pool = SockIOPool.GetInstance( "First" ); pool.SetServers(serverlist); pool.Initialize(); mclient = new MemcachedClient(); mclient.PoolName = "First" ; mclient.EnableCompression = false ; } public static bool set ( string key, object value, DateTime expiry) { return mclient.Set(key, value, expiry); } public static object Get( string key) { return mclient.Get(key); } } |
最后就是Controller里面的具体实现:
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public class EntityMemcachedController : Controller { // // GET: /EntityMemcached/ /// <summary> /// 序列化实体类为字节数组,将其存储到Memcached中,以缓存数据,从而减轻访问压力.... /// </summary> /// <returns></returns> public ActionResult Index() { var vipInfo = new List<VIP>{ new VIP{ UserName= "张三" , Vip=1, QQ= "3123456" , Mail= "3123456" , VipEndDate=(DateTime?)DateTime.Now.AddDays(1) }, new VIP{ UserName= "李四" , Vip=1, QQ= "4123456" , Mail= "4123456" , VipEndDate=(DateTime?)DateTime.Now.AddDays(2) }, new VIP{ UserName= "王五" , Vip=1, QQ= "5123456" , Mail= "5123456" , VipEndDate=(DateTime?)DateTime.Now.AddDays(3) }, new VIP{ UserName= "赵六" , Vip=1, QQ= "6123456" , Mail= "6123456" , VipEndDate=(DateTime?)DateTime.Now.AddDays(4) }, new VIP{ UserName= "刘七" , Vip=1, QQ= "7123456" , Mail= "7123456" , VipEndDate=(DateTime?)DateTime.Now.AddDays(5) } }; if (Request.Cookies[ "_EntityMemcached" ] == null ) { string sessionId = Guid.NewGuid().ToString(); Response.Cookies[ "_EntityMemcached" ].Value = sessionId; Response.Cookies[ "_EntityMemcached" ].Expires = DateTime.Now.AddMinutes(1); //设置cookie过期时间 MemcachedHelper. set (sessionId, vipInfo, DateTime.Now.AddMinutes(1)); //设置缓存过期时间 return Content( "Memcached分布式缓存设置成功!!!" ); } else { string key = Request.Cookies[ "_EntityMemcached" ].Value.ToString(); object obj = MemcachedHelper.Get(key); List<VIP> info = obj as List<VIP>; if (info != null ) { return View(info); } } return Content( "若显示则有'bug'" ); } |
看看实现:
然后退出来,重新点击”实现memcached缓存”