Memcached Cache

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using Memcached.ClientLibrary;
using System.Collections;

namespace WL.Web.Common
{
    public class MemcacheX
    {

      
            private MemcachedClient client;
            private static MemcacheX memcache;

            /// 

            /// 构造方法
            /// 
            protected MemcacheX()
            {
                SockIOPool pool = SockIOPool.GetInstance();
                string[] servers = { "127.0.0.1:11211" };
                pool.SetServers(servers);
                pool.MinConnections = 3;
                pool.MaxConnections = 5;
                pool.InitConnections = 3;
                pool.SocketConnectTimeout = 5000;
                pool.Initialize();
                this.client = new MemcachedClient();
                client.EnableCompression = false;
            }

            public static MemcacheX Instance()
            {
                if (memcache == null)
                {
                    memcache = new MemcacheX();
                }
                return memcache;
            }


            /// 

            /// 判断是否包含某个键
            /// 
            /// 键值
            /// 
            public bool ContainKey(string argKey)
            {
                return client.KeyExists(argKey);
            }

            /// 

            /// 添加缓存数据
            /// 
            /// 键值
            /// 存储值
            /// 
            public bool Add(string argKey, object argValue)
            {
                return client.Add(argKey, argValue);
            }

            /// 

            /// 添加缓存数据
            /// 
            /// 键值
            /// 存储值
            /// 过期时间
            /// 
            public bool Add(string argKey, object argValue, DateTime argDateExpiration)
            {
                return client.Add(argKey, argValue, argDateExpiration);
            }

            /// 

            /// 添加缓存数据
            /// 
            /// 存储对象类型
            /// 键值
            /// 存储值
            /// 
            public bool Add(string argKey, T entity) where T : class
            {
                return client.Add(argKey, entity);
            }

            /// 

            /// 添加缓存数据
            /// 
            /// 存储对象类型
            /// 键值
            /// 存储值
            /// 过期时间
            /// 
            public bool Add(string argKey, T entity, DateTime argDateExpiration) where T : class
            {
                return client.Add(argKey, entity, argDateExpiration);
            }

            /// 

            /// 添加缓存数据，如果存在则替换原有数据
            /// 
            /// 键值
            /// 存储值
            /// 
            public bool Set(string argKey, object argValue)
            {
                if (ContainKey(argKey))
                {
                    return false;
                }
                return client.Set(argKey, argValue);
            }

            /// 

            /// 添加缓存数据，如果存在则替换原有数据
            /// 
            /// 键值
            /// 存储值
            /// 过期时间
            /// 
            public bool Set(string argKey, object argValue, DateTime argDateExpiration)
            {
                if (ContainKey(argKey))
                {
                    return false;
                }
                return client.Set(argKey, argValue, argDateExpiration);
            }

            /// 

            /// 添加缓存数据，如果存在则替换原有数据
            /// 
            /// 存储对象类型
            /// 键值
            /// 存储值
            /// 
            public bool Set(string argKey, T entity) where T : class
            {
                if (ContainKey(argKey))
                {
                    return false;
                }
                return client.Set(argKey, entity);
            }

            /// 

            /// 添加缓存数据，如果存在则替换原有数据
            /// 
            /// 存储对象类型
            /// 键值
            /// 存储值
            /// 过期时间
            /// 
            public bool Set(string argKey, T entity, DateTime argDateExpiration) where T : class
            {
                if (ContainKey(argKey))
                {
                    return false;
                }
                return client.Set(argKey, entity, argDateExpiration);
            }


            /// 

            /// 替换原有缓存
            /// 
            /// 键值
            /// 存储值
            /// 
            public bool Replace(string argKey, object argValue)
            {
                return client.Replace(argKey, argValue);
            }

            /// 

            /// 替换原有缓存
            /// 
            /// 键值
            /// 存储值
            /// 过期时间
            /// 
            public bool Replace(string argKey, object argValue, DateTime argDateExpiration)
            {
                return client.Replace(argKey, argValue, argDateExpiration);
            }

            /// 

            /// 替换原有缓存
            /// 
            /// 存储类型
            /// 键值
            /// 存储值
            /// 
            public bool Replace(string argKey, T entity) where T : class
            {
                return client.Replace(argKey, entity);
            }

            /// 

            /// 替换原有缓存
            /// 
            /// 存储类型
            /// 键值
            /// 存储值
            /// 过期时间
            /// 
            public bool Replace(string argKey, T entity, DateTime argDateExpiration) where T : class
            {
                return client.Replace(argKey, entity, argDateExpiration);
            }

            /// 

            /// 获得缓存数据
            /// 
            /// 键值
            /// 
            public object Get(string argKey)
            {
                return client.Get(argKey);
            }

            /// 

            /// 获得缓存数据
            /// 
            /// 返回数据类型
            /// 键值
            /// 
            public T Get(string argKey)
            {
                T entity = default(T);
                entity = (T)client.Get(argKey);
                return entity;
            }

            /// 

            /// 移除一个缓存数据
            /// 
            /// 键值
            /// 
            public bool Remove(string argKey)
            {
                return client.Delete(argKey);
            }

            /// 

            /// 移除一个缓存数据
            /// 
            /// 键值
            /// 数据过期时间
            /// 
            public bool Remove(string argKey, DateTime argDateExpiration)
            {
                return client.Delete(argKey, argDateExpiration);
            }

            /// 

            /// 移除所有缓存数据
            /// 
            /// 
            public bool Remove()
            {
                return client.FlushAll();
            }

            /// 

            /// 移除所有缓存数据
            /// 
            /// 服务器地址
            /// 
            public bool Remove(ArrayList servers)
            {
                return client.FlushAll(servers);
            }
        

    }
}

　　

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

using System.Data;
using yww.Utils;
using System.Collections;
using Memcached.ClientLibrary;
using System.Text;
namespace WL.Web
{
    public partial class test : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                
            }
        }


        private void myload()
        {
            //分布Memcachedf服务IP 端口
            string[] servers = { "192.168.1.83:11211" };

            //初始化池
            SockIOPool pool = SockIOPool.GetInstance();
            pool.SetServers(servers);
            pool.InitConnections = 3;
            pool.MinConnections = 3;
            pool.MaxConnections = 5;
            pool.SocketConnectTimeout = 1000;
            pool.SocketTimeout = 3000;
            pool.MaintenanceSleep = 30;
            pool.Failover = true;
            pool.Nagle = false;
            pool.Initialize();
            //客户端实例
            MemcachedClient mc = new Memcached.ClientLibrary.MemcachedClient();
            mc.EnableCompression = false;
            Hashtable ht = mc.Stats();
            StringBuilder sb = new StringBuilder();
            sb.AppendLine("
_______________________________________
");
            sb.AppendLine("Memcached Stats:");
            sb.AppendLine("
_______________________________________
");
            foreach (DictionaryEntry de in ht)
            {
                Hashtable info = (Hashtable)de.Value;
                foreach (DictionaryEntry de2 in info)
                {
                    sb.AppendLine(de2.Key.ToString() + ":    " + de2.Value.ToString() + "
");
                }
            }
            Response.Write(sb.ToString());
        }


        public void clear()
        {
            string[] servers = { "192.168.1.83:11211" };

            //初始化池
            SockIOPool pool = SockIOPool.GetInstance();
            pool.SetServers(servers);
            pool.InitConnections = 3;
            pool.MinConnections = 3;
            pool.MaxConnections = 5;
            pool.SocketConnectTimeout = 1000;
            pool.SocketTimeout = 3000;
            pool.MaintenanceSleep = 30;
            pool.Failover = true;
            pool.Nagle = false;
            pool.Initialize();
            MemcachedClient mc = new Memcached.ClientLibrary.MemcachedClient();
            mc.EnableCompression = false;
            mc.Delete("dt");
            Response.Write("清空缓存成功");
        }


        public void tt()
        {
            //分布Memcachedf服务IP 端口
            string[] servers = { "192.168.1.83:11211" };

            //初始化池
            SockIOPool pool = SockIOPool.GetInstance();
            pool.SetServers(servers);
            pool.InitConnections = 3;
            pool.MinConnections = 3;
            pool.MaxConnections = 5;
            pool.SocketConnectTimeout = 1000;
            pool.SocketTimeout = 3000;
            pool.MaintenanceSleep = 30;
            pool.Failover = true;
            pool.Nagle = false;
            pool.Initialize();
            //客户端实例
            MemcachedClient mc = new Memcached.ClientLibrary.MemcachedClient();
            mc.EnableCompression = false;
            StringBuilder sb = new StringBuilder();
            //写入缓存
            sb.AppendLine("写入缓存测试：");
            sb.AppendLine("
_______________________________________
");
            if (mc.KeyExists("cache"))
            {
                sb.AppendLine("缓存cache已存在");
            }
            else
            {
                mc.Set("cache", "写入缓存时间：" + DateTime.Now.ToString());
                sb.AppendLine("缓存已成功写入到cache");
            }
            sb.AppendLine("
_______________________________________
");
            sb.AppendLine("读取缓存内容如下：
");
            sb.AppendLine(mc.Get("cache").ToString());

            //测试缓存过期
            sb.AppendLine("
_______________________________________
");
            if (mc.KeyExists("endCache"))
            {
                sb.AppendLine("缓存endCache已存在，过期时间为：" + mc.Get("endCache").ToString());
            }
            else
            {
                mc.Set("endCache", DateTime.Now.AddMinutes(1).ToString(), DateTime.Now.AddMinutes(1));
                sb.AppendLine("缓存已更新写入到endCache，写入时间：" + DateTime.Now.ToString() + " 过期时间：" + DateTime.Now.AddMinutes(1).ToString());
            }

            //分析缓存状态
            Hashtable ht = mc.Stats();
            sb.AppendLine("
_______________________________________
");
            sb.AppendLine("Memcached Stats:");
            sb.AppendLine("
_______________________________________
");
            foreach (DictionaryEntry de in ht)
            {
                Hashtable info = (Hashtable)de.Value;
                foreach (DictionaryEntry de2 in info)
                {
                    sb.AppendLine(de2.Key.ToString() + ":    " + de2.Value.ToString() + "
");
                }
            }
            Response.Write(sb.ToString());
        }

        public void setTable()
        {
            
            StringBuilder sb = new StringBuilder();
            DataTable dt = Common.DataBase.GetTableRegion();
            sb.AppendLine("---------------------------------
");
            sb.AppendLine("DataTable 条数:"+dt.Rows.Count+"
");
            Common.MemcacheX mc =  Common.MemcacheX.Instance();

            if (mc.ContainKey("dt"))
            {
                sb.AppendLine("缓存dt已存在");
            }
            else
            {
                bool b = mc.Set("dt", dt);
                sb.AppendLine("DataTable保存到MC中返回结果：" + b + "
");
            }


           

            


           
            sb.AppendLine("---------------------------------
");
          

            Response.Write(sb.ToString());
        }

        public void getTable()
        {

            StringBuilder sb = new StringBuilder();
            
            sb.AppendLine("---------------------------------
");
            
            Common.MemcacheX mc = Common.MemcacheX.Instance();
            DataTable dt = mc.Get("dt");
            if (dt != null)
            {
                sb.AppendLine("cache 中读取到"+dt.Rows.Count+"条记录
");
            }
            else
            {
                sb.AppendLine("cache 中没有读到数据
");
            }
            sb.AppendLine("---------------------------------
");


            Response.Write(sb.ToString());
        }



        protected void btn_save_Click(object sender, EventArgs e)
        {
            setTable();
        }

        protected void btn_load_Click(object sender, EventArgs e)
        {
            getTable();
        }

        protected void btn_clear_Click(object sender, EventArgs e)
        {
            clear();
        }
        protected void btn_stats_Click(object sender, EventArgs e)
        {
            myload();
        }
   
        
    }
}

　　https://files.cnblogs.com/files/ainidewen/资料.rar

转载于:https://www.cnblogs.com/ainidewen/p/9971568.html