ServiceStack.Redis

什么是Redis

首先，简述一下什么是Redis。

Redis是一个开源、支持网络、基于内存、键值对存储数据库，使用ANSI C编写。从2013年5月开始，Redis的开发由Pivotal赞助。在这之前，其开发由VMware赞助。根据月度排行网站DB-Engines.com的数据显示，Redis是最流行的键值对存储数据库。

更详尽的内容参见：

1. http://zh.wikipedia.org/wiki/Redis
2. http://redis.io

ServiceStack操作Redis

public static void Main(string[] args)
        {
            var Redis = new RedisClient("127.0.0.1", 6379);//redis服务IP和端口  

            #region insert

            var storeMembers = new List<string> { "aaa", "bbb", "ccc" };
            storeMembers.ForEach(x => Redis.AddItemToList("additemtolist", x));
            //注：也可直接使用AddRangeToList方法将一组数据装入如：  

            Redis.AddRangeToList("additemtolist", storeMembers);
            #endregion

            #region get

            var members = Redis.GetAllItemsFromList("additemtolist");
            members.ForEach(s => Console.WriteLine("additemtolist :" + s));
            Console.WriteLine(Redis.GetItemFromList("additemtolist", 2));
            #endregion

            #region delete

            var list = Redis.Lists["additemtolist"];
            list.Clear();//清空  
            list.Remove("two");//移除指定键值  
            list.RemoveAt(2);//移除指定索引位置数据  
            #endregion

            #region object

            Redis.Set("userinfo", new UserInfo() { UserName = "张三", Age = 11 });
            UserInfo userinfo = Redis.Get<UserInfo>("userinfo");
            Console.WriteLine(userinfo.UserName);

            Redis.Set<int>("my_age", 12);//或Redis.Set("my_age", 12);  
            Console.WriteLine(Redis.Get<int>("my_age"));
            #endregion

            var ser = new ObjectSerializer();    //位于namespace ServiceStack.Redis.Support;  

            #region 序列化
            bool result = Redis.Set<byte[]>("userinfo", ser.Serialize(new UserInfo() { UserName = "龙一", Age = 12 }));
            UserInfo userinfo = ser.Deserialize(Redis.Get<byte[]>("userinfo")) as UserInfo;
            Console.WriteLine(userinfo.UserName);
            #endregion

            //也支持列表  
            Redis.Set<byte[]>("userinfolist_serialize", ser.Serialize(userinfoList));

            #region 负载均衡

            PooledRedisClientManager prcm = CreateManager(new string[] { "10.0.4.210:6379" }, new string[] { "10.0.4.210:6379" });
            List<UserInfo> userinfoList = new List<UserInfo>();
            userinfoList.Add(new UserInfo() { UserName = "pool_daizhj", Age = 1 });
            userinfoList.Add(new UserInfo() { UserName = "pool_daizhj1", Age = 2 });


            // 从池中获取一个链接：  

            using (IRedisClient Redis2 = prcm.GetClient())
            {
                Redis2.Set("userinfolist", userinfoList);
                List<UserInfo> userList = Redis2.Get<List<UserInfo>>("userinfolist");
            }

            #endregion

            Console.ReadLine();
        }

        public static PooledRedisClientManager CreateManager(string[] readWriteHosts, string[] readOnlyHosts)
        {
            //支持读写分离，均衡负载  
            return new PooledRedisClientManager(readWriteHosts, readOnlyHosts, new RedisClientManagerConfig
            {
                MaxWritePoolSize = 5,//“写”链接池链接数  
                MaxReadPoolSize = 5,//“写”链接池链接数  
                AutoStart = true,
            });
        }