C# 操做redis

時間 2019-11-06

標籤 c# redis 欄目 C# 简体版

原文原文鏈接

下載 redis windows 版本官網目前沒有windows安裝下載，下載地址爲 git

https://github.com/MicrosoftArchive/redis/releases github

直接點擊安裝一直下一步redis

個人安裝路徑 D:\Program Files\Rediswindows

啓動命令行工具測試redis框架

C# 鏈接redis 在項目類庫引用上右鍵啓動NuGet 搜索redis 安裝如下二個框架ide

redis工具類工具

public class RedisCacheHelper
    {
        private static readonly PooledRedisClientManager pool = null;
        private static readonly string[] redisHosts = null;
        public static int RedisMaxReadPool = 3;
        public static int RedisMaxWritePool = 1;

        static RedisCacheHelper()
        {
            var redisHostStr = "127.0.0.1:6379";

            if (!string.IsNullOrEmpty(redisHostStr))
            {
                redisHosts = redisHostStr.Split(',');

                if (redisHosts.Length > 0)
                {
                    pool = new PooledRedisClientManager(redisHosts, redisHosts,
                        new RedisClientManagerConfig()
                        {
                            MaxWritePoolSize = RedisMaxWritePool,
                            MaxReadPoolSize = RedisMaxReadPool,
                            AutoStart = true
                        });
                }
            }
        }

        #region Add
        public static void Add<T>(string key, T value, DateTime expiry)
        {
            if (value == null)
            {
                return;
            }

            if (expiry <= DateTime.Now)
            {

                Remove(key);

                return;
            }

            try
            {
                if (pool != null)
                {
                    using (var r = pool.GetClient())
                    {
                        if (r != null)
                        {
                            r.SendTimeout = 1000;
                            r.Set(key, value, expiry - DateTime.Now);
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                string msg = string.Format("{0}:{1}發生異常!{2}", "cache", "存儲", key);
            }

        }


        public static void Add<T>(string key, T value, TimeSpan slidingExpiration)
        {
            if (value == null)
            {
                return;
            }

            if (slidingExpiration.TotalSeconds <= 0)
            {
                Remove(key);

                return;
            }

            try
            {
                if (pool != null)
                {
                    using (var r = pool.GetClient())
                    {
                        if (r != null)
                        {
                            r.SendTimeout = 1000;
                            r.Set(key, value, slidingExpiration);
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                string msg = string.Format("{0}:{1}發生異常!{2}", "cache", "存儲", key);
            }
        }

        public static T Get<T>(string key)
        {
            if (string.IsNullOrEmpty(key))
            {
                return default(T);
            }

            T obj = default(T);

            try
            {
                if (pool != null)
                {
                    using (var r = pool.GetClient())
                    {
                        if (r != null)
                        {
                            r.SendTimeout = 1000;
                            obj = r.Get<T>(key);
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                string msg = string.Format("{0}:{1}發生異常!{2}", "cache", "獲取", key);
            }


            return obj;
        }
        #endregion

        public static void Remove(string key)
        {
            try
            {
                if (pool != null)
                {
                    using (var r = pool.GetClient())
                    {
                        if (r != null)
                        {
                            r.SendTimeout = 1000;
                            r.Remove(key);
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                string msg = string.Format("{0}:{1}發生異常!{2}", "cache", "刪除", key);
            }

        }

        public static bool Exists(string key)
        {
            try
            {
                if (pool != null)
                {
                    using (var r = pool.GetClient())
                    {
                        if (r != null)
                        {
                            r.SendTimeout = 1000;
                            return r.ContainsKey(key);
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                string msg = string.Format("{0}:{1}發生異常!{2}", "cache", "是否存在", key);
            }

            return false;
        }
    }