RedisRepository分享和纠错

自用RedisRepository分享和纠错，本文版权归博客园和作者吴双本人共同所有，转载和爬虫必须注明原文地址:www.cnblogs.com/tdws 。

一.   写在前面

毕业工作后，今天终于能回家了，回想了一些这半年来所做的内容，总是觉得还停留在那么基础的水平 ，在解决各种问题的过程中，自己的创新思路比较少，靠搜索来的比较多 。不想做16年的总结了 ，希望17年能学更多的我爱的技术，看更多的开源代码，能学到更多的设计思想和代码思路，能再更新这两年来对代码的理解。

这篇分享，主要是弥补我之前RedisRepository的不足。如果对Redis基础有疑问，可移步http://www.cnblogs.com/tdws/tag/NoSql/   .

半年前由于我StackExchange.Redis文档阅读不足，所分享的RedisRepository有所错误。下面列举我的主要错误：

错误1，没有单例化ConnectionMultiplexer Redis连接对象，并且我天真的以为给单例对象加锁，在并发情况下，会限制了Redis的性能。

错误2，在主从情况下，我以为在发生手动切换的时候，我们要订阅切换事件，并在事件发生后，动态改变连接对象指向的Endpoint。

当我再一次仔细阅读文档时，才明白我的错误，这是一篇迟到的修正，但是我自用的repository自我感觉还是有很多不足之处，所以我真的需要老司机的指点和建议。

修正1，Redis连接对象创建的代价很大，并且单例加锁并不会影响Redis性能，因为在发生网络请求的期间，连接对象并没有在等待中。

修正2，Redis主从时，在哨兵切换主从关系后，StackExchange.Redis会为我们识别新的主从，不需要我们做任何操作。

目前为止我还有两个疑问。

疑问1，在看文档后没有明确结果。当做主从读写分离时,  我们在Endpoint Collection集合中添加多个节点就会自动读写分离？还是说需要 我们在读取命令的方法中指定CommandFlags.PreferSlave？  我认为是后者吧？所以我在我所有的读取方法都指定了PreferSlave。    老司机们怎么说？

疑问2，我使用LuaScript.Prepare(lua)后再Load出来，执行lua总是无效果，并且LuaScript.GetCachedScriptCount()为0. 不过我直接使用ScriptEvaluateAsync却是好用的，老司机如果有好的例子，希望老司机给些指导或者分享。

二.   代码结构，仅供参考

 

结构大概就是这样，RedisAsyncHelper下的所有类都是部分类，他们的类名称是RedisHelper。他们共同实现了IRedisHelper的接口，并且留下了详细的注释。

同步版本和异步版本的目录结构是一样的。所以我仅分享下Async版本，如果对Async有疑问可移步 http://www.cnblogs.com/tdws/p/6172207.html。

三.   预备阶段

CommonHelper中的两个帮助类：

RedisInnerTypeHelper.cs

 1 using StackExchange.Redis; 2 using System.Collections.Generic; 3 using System.Linq; 4  5 namespace Fantasy.RedisRepository.CommonHelper 6 { 7     internal class RedisInnerTypeHelper 8     { 9         public static List<T> RedisValuesToGenericList<T>(RedisValue[] redisValues)10         {11             var result = new List<T>();12             redisValues.ToList().ForEach(r => result.Add(SerializeHelper.Deserialize<T>(r)));13             return result;14         }15 16         public static RedisValue[] GenericListToRedisValues<T>(List<T> values)17         {18             var redisValues = new List<RedisValue>();19             values.ForEach(v => redisValues.Add(SerializeHelper.Serialize(values)));20             return redisValues.ToArray();21         }22 23         public static RedisKey[] GenericListToRedisKeys(List<string> keys)24         {25             var redisKeys = new List<RedisKey>();26             keys.ForEach(k => redisKeys.Add(k));27             return redisKeys.ToArray();28         }29     }30 }

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SerializeHelper.cs

 1 using System.IO; 2 using System.Runtime.Serialization.Formatters.Binary; 3  4 namespace Fantasy.RedisRepository.CommonHelper 5 { 6     internal static class SerializeHelper 7     { 8         /// <summary> 9         /// 字节数组序列化10         /// </summary>11         /// <param name="o"></param>12         /// <returns></returns>13         internal static byte[] Serialize(object o)14         {15             if (o == null)16             {17                 return null;18             }19 20             BinaryFormatter binaryFormatter = new BinaryFormatter();21             using (MemoryStream memoryStream = new MemoryStream())22             {23                 binaryFormatter.Serialize(memoryStream, o);24                 byte[] objectDataAsStream = memoryStream.ToArray();25                 return objectDataAsStream;26             }27         }28 29         /// <summary>30         /// 字节数组反序列化31         /// </summary>32         /// <typeparam name="T"></typeparam>33         /// <param name="stream"></param>34         /// <returns></returns>35         internal static T Deserialize<T>(byte[] stream)36         {37             if (stream == null)38             {39                 return default(T);40             }41 42             BinaryFormatter binaryFormatter = new BinaryFormatter();43             using (MemoryStream memoryStream = new MemoryStream(stream))44             {45                 T result = (T)binaryFormatter.Deserialize(memoryStream);46                 return result;47             }48         }49     }50 }

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Config中的配置类：

ConfigHelper.cs

 1 using System; 2 using System.Configuration; 3  4 namespace Fantasy.RedisRepository.Config 5 { 6     internal class ConfigHelper 7     { 8         internal static T Get<T>(string appSettingsKey, T defaultValue) 9         {10             string text = ConfigurationManager.AppSettings[appSettingsKey];11             if (string.IsNullOrWhiteSpace(text))12                 return defaultValue;13             try14             {15                 var value = Convert.ChangeType(text, typeof(T));16                 return (T)value;17             }18             catch19             {20                 return defaultValue;21             }22         }23     }24 }

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RedisClientConfig.cs

 1 namespace Fantasy.RedisRepository.Config 2 { 3     internal class RedisClientConfig 4     { 5  6         private static string _server = ConfigHelper.Get("RedisServer", "115.xx.xx.31"); 7         /// <summary> 8         /// 节点IP 9         /// </summary>10         public static string Server11         {12             get { return _server; }13             set { _server = value; }14         }15 16         private static int _port = ConfigHelper.Get("RedisPort", 6380);17         /// <summary>18         /// 节点端口19         /// </summary>20         public static int Port21         {22             get { return _port; }23             set { _port = value; }24         }25 26         private static string _slaveServer = ConfigHelper.Get("SlaveServer", "115.xx.xx.31");27         /// <summary>28         /// 节点IP29         /// </summary>30         public static string SlaveServer31         {32             get { return _slaveServer; }33             set { _slaveServer = value; }34         }35 36         private static int _slavePort = ConfigHelper.Get("SlavePort", 6381);37         /// <summary>38         /// 节点端口39         /// </summary>40         public static int SlavePort41         {42             get { return _slavePort; }43             set { _slavePort = value; }44         }45 46         private static string _auth = ConfigHelper.Get("RedisAuth", "fantasy..");47         /// <summary>48         /// 节点密码49         /// </summary>50         public static string RedisAuth51         {52             get { return _auth; }53             set { _auth = value; }54         }55 56         private static int _defaultDatabase = ConfigHelper.Get("RedisDataBase", 0);57         /// <summary>58         /// redis默认0号库59         /// </summary>60         public static int DefaultDatabase61         {62             get { return _defaultDatabase; }63             set { _defaultDatabase = value; }64         }65 66         private static int _connectTimeout = 10000;67         public static int ConnectTimeout68         {69             get { return _connectTimeout; }70             set { _connectTimeout = value; }71         }72 73         private static int _connectRetry = 3;74         public static int ConnectRetry75         {76             get { return _connectRetry; }77             set { _connectRetry = value; }78         }79 80         private static bool _preserveAsyncOrder = false;81         public static bool PreserveAsyncOrder82         {83             get { return _preserveAsyncOrder; }84             set { _preserveAsyncOrder = value; }85         }86     }87 }

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RedisConnection.cs

 1 using Fantasy.RedisRepository.Config; 2 using StackExchange.Redis; 3  4 namespace Fantasy.RedisRepository 5 { 6     /// <summary> 7     /// Redis连接类 8     /// </summary> 9     public static class RedisConnection10     {11         private static ConnectionMultiplexer _connection;12         private static readonly object SyncObject = new object();13         /// <summary>14         /// redis连接对象，单例加锁不影响性能15         /// </summary>16         public static ConnectionMultiplexer GenerateConnection17         {18             get19             {20                 if (_connection == null || !_connection.IsConnected)21                 {22                     lock (SyncObject)23                     {24                         var configurationOptions = new ConfigurationOptions()25                         {26                             Password = RedisClientConfig.RedisAuth,27                             EndPoints =28                             {29                                 {RedisClientConfig.Server, RedisClientConfig.Port},30                                 {RedisClientConfig.SlaveServer, RedisClientConfig.SlavePort}31                             }32                         };33                         _connection = ConnectionMultiplexer.Connect(configurationOptions);34                     }35                 }36                 return _connection;37             }38         }39     }40 }

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四.   RedisHelper

实际上就是做了层序列化包装而已。 

IRedisHelper：

using System;using StackExchange.Redis;using System.Collections.Generic;using System.Threading.Tasks;namespace Fantasy.RedisRepository.RedisHelpers{    /// <summary>    /// 异步方法接口     --Author 吴双 www.cnblogs.com/tdws    /// 存入数据均为方法内部序列化后的byte,所以取数据的时候需要反序列化时，请指定正确的数据类型    /// </summary>    public partial interface IRedisHelper    {        #region Redis数据类型—String         /// <summary>        /// 将任何数据以redis string存储        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <param name="value"></param>        /// <param name="timeout"></param>        /// <returns></returns>        Task<bool> StringSetAsync<T>(string key, T value, TimeSpan? timeout = null);        /// <summary>        /// 对数值进行减法操作，默认-1        /// </summary>        /// <param name="key"></param>        /// <param name="value"></param>        /// <returns>操作后的结果</returns>        Task<long> StringDecrementAsync(string key, long value = 1L);        /// <summary>        /// 对数值进行加法操作，默认+1        /// </summary>        /// <param name="key"></param>        /// <param name="value"></param>        /// <returns>操作后的结果</returns>        Task<long> StringIncrementAsync(string key, long value = 1L);        /// <summary>        /// 从redis string中以指定类型取出        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <returns></returns>        Task<T> StringGetAsync<T>(string key);        #endregion        #region Redis数据类型—Hash        /// <summary>        /// 向Hash key中存储任意类型任意值        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <param name="field"></param>        /// <param name="value"></param>        /// <returns>是否成功</returns>        Task<bool> HashSetAsync<T>(string key, string field, T value);        /// <summary>        /// 批量 向Hash key中存储任意类型任意值        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <param name="hashFields"></param>        /// <returns>无返回值</returns>        Task HashMultiSetAsync<T>(string key, Dictionary<string, T> hashFields);        /// <summary>        /// 对指定hash key中制定field做数量增加操作 默认自增1         /// 如果此操作前key不存在 则创建。 如果此操作前该field不存在或者非数字 则先被置0，再被继续操作        /// </summary>        /// <param name="key"></param>        /// <param name="field"></param>        /// <param name="incrCount"></param>        /// <returns>操作后的结果</returns>        Task<long> HashIncrementAsync(string key, string field, long incrCount = 1);        /// <summary>        /// 对指定hash key中制定field做数量增加操作 默认自减1         /// 如果此操作前key不存在 则创建。 如果此操作前该field不存在或者非数字 则先被置0，再被继续操作        /// </summary>        /// <param name="key"></param>        /// <param name="field"></param>        /// <param name="decrCount"></param>        /// <returns>操作后的结果</returns>        Task<long> HashDecrementAsync(string key, string field, long decrCount = 1);        /// <summary>        /// 从指定Hash中 删除指定field        /// 如果key或者field不存在，则false        /// </summary>        /// <param name="key"></param>        /// <param name="field"></param>        /// <returns>是否成功</returns>        Task<bool> HashDeleteFieldAsync(string key, string field);        /// <summary>        /// 从指定Hash key中 批量删除指定field        /// 如果key或者field不存在，则false        /// </summary>        /// <param name="key"></param>        /// <param name="fields"></param>        /// <returns>移除数量</returns>        Task<long> HashMultiDeleteFieldAsync(string key, List<string> fields);        /// <summary>        /// 从指定Hash key中获取指定field值        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <param name="field"></param>        /// <returns></returns>        Task<T> HashGetAsync<T>(string key, string field);        /// <summary>        /// 从指定Hash key中判断field是否存在        /// </summary>        /// <param name="key"></param>        /// <param name="field"></param>        /// <returns></returns>        Task<bool> HashFieldExistAsync(string key, string field);        /// <summary>        /// 获取指定Hash key中的所有field的值         /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <returns></returns>        Task<List<T>> HashValuesAsync<T>(string key);        /// <summary>        /// 获取指定Hash key中所有 field名称及其Value        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <returns></returns>        Task<Dictionary<string, T>> HashGetAllAsync<T>(string key);        /// <summary>        /// 获取指定Hash key中所有field        /// </summary>        /// <param name="key"></param>        /// <returns></returns>        Task<List<string>> HashFieldsAsync(string key);        #endregion        #region Redis数据类型—List             /// <summary>        /// 在指定pivot后插入value, 如果pivot不存在，则返回-1, 如果key不存在，则返回0        /// 如果存在多个相同指定的的pivot,则插入第一个指定pivot后面.        /// 即链表从左向右查找，遇到指定pivot，则确定位置        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <param name="pivot">list中的一个值</param>        /// <param name="value"></param>        /// <returns></returns>        Task<long> ListInsertAfterAsync<T>(string key, string pivot, T value);        /// <summary>        /// 在指定pivot前插入value, 如果pivot不存在，则返回-1, 如果key不存在，则返回0        /// 如果存在多个相同指定的的pivot,则插入第一个指定pivot前面.        /// 即链表从左向右查找，遇到指定pivot，则确定位置        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <param name="pivot"></param>        /// <param name="value"></param>        /// <returns></returns>        Task<long> ListInsertBeforeAsync<T>(string key, string pivot, T value);        /// <summary>        /// 从链表左侧弹出第一个元素（弹出能获取到该元素并且被删除）        /// 如果key不存在 或者链表为空 则为null        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <returns></returns>        Task<T> ListLeftPopAsync<T>(string key);        /// <summary>        /// 从链表左侧增加一个元素,key不存在则被创建        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <param name="value"></param>        /// <returns>返回操作后的链表长度</returns>        Task<long> ListLeftPushAsync<T>(string key, T value);        /// <summary>        /// 从链表左侧批量增加元素，如果 a b c  则c会在链表左侧第一位  b第二位  a第三位        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <param name="values"></param>        /// <returns>返回操作后的链表长度</returns>        Task<long> ListLeftMultiPushAsync<T>(string key, List<T> values);        /// <summary>        /// 获取链表长度，不存在key则为0        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <returns></returns>        Task<long> ListLengthAsync<T>(string key);        /// <summary>        /// 获取链表中所有数据，从左侧start开始到stop结束，从0—-1则认为获取全部，默认获取全部        /// start为负数则代表从链表右侧开始，-1为右侧第一位，-2为右侧第二位        /// start要小于stop,否则返回null        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <param name="start"></param>        /// <param name="stop"></param>        /// <returns></returns>        Task<List<T>> ListRangeAsync<T>(string key, long start = 0L, long stop = -1L);        /// <summary>        /// 从链表中一处count数量的value. count大于0则从左至右，count小于0则从右至左，count=0则移除全部        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <param name="value"></param>        /// <param name="count"></param>        /// <returns></returns>        Task<long> ListRemoveAsync<T>(string key, T value, long count = 0L);        /// <summary>        /// 从右侧弹出第一个元素（弹出能获取到该元素并且被删除）        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <returns></returns>        Task<T> ListRightPopAsync<T>(string key);        /// <summary>        /// 从链表右侧加入元素，如果 rpush a b c 则c为右侧第一位 b第二位 c第三位        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <param name="value"></param>        /// <returns></returns>        Task<long> ListRightPushAsync<T>(string key, T value);        /// <summary>        /// 从右侧批量插入，和左侧相反        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <param name="values"></param>        /// <returns></returns>        Task<long> ListRightMultiPushAsync<T>(string key, List<T> values);        /// <summary>        /// 在链表指定索引处，插入元素        /// 正数索引从0开始，代表左侧。负数从-1开始 代表从右侧。-1为右侧第一位        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <param name="index"></param>        /// <param name="value"></param>        /// <returns></returns>        Task ListSetByIndexAsync<T>(string key, int index, T value);        /// <summary>        /// 留下start到stop之间的数据。负数代表从右侧寻找  -1为右侧第一位        /// </summary>        /// <param name="key"></param>        /// <param name="start"></param>        /// <param name="stop"></param>        /// <returns></returns>        Task ListTrimAsync(string key, long start, long stop);        /// <summary>        /// 获取指定index的值，负数代表从右侧寻找  -1为右侧第一位        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <param name="index"></param>        /// <returns></returns>        Task<T> ListGetByIndexAsync<T>(string key, long index);        #endregion        #region Redis数据类型—Set        /// <summary>        /// 向指定集合中增加一个元素        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <param name="value"></param>        /// <returns></returns>        Task<bool> SetAddAsync<T>(string key, T value);        /// <summary>        /// 指定集合计算操作operation枚举，指定计算结果将存的目标destKey，指定需要参与计算的多个key        /// </summary>        /// <param name="operation"></param>        /// <param name="destKey"></param>        /// <param name="combineKeys"></param>        /// <returns></returns>        Task<long> SetCombineAndStoreAsync(SetOperation operation, string destKey, List<string> combineKeys);        /// <summary>        /// 指定集合计算操作operation枚举，指定需要参与计算的多个key        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="operation"></param>        /// <param name="combineKeys"></param>        /// <returns></returns>        Task<List<T>> SetCombineAsync<T>(SetOperation operation, List<string> combineKeys);        /// <summary>        /// 指定值是否存在于指定集合中        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <param name="value"></param>        /// <returns></returns>        Task<bool> SetContainsAsync<T>(string key, T value);        /// <summary>        /// 获取指定集合中元素个数        /// </summary>        /// <param name="key"></param>        /// <returns></returns>        Task<long> SetLengthAsync(string key);        /// <summary>        /// 获取指定集合中的所有元素        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <param name="value"></param>        /// <returns></returns>        Task<List<T>> SetMembersAsync<T>(string key, T value);        /// <summary>        /// 从sourceKey移除指定value到目标distKey集合当中        /// 如果sourceKey存在指定value则返回true，否则不做任何操作返回false        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="sourcekey"></param>        /// <param name="distKey"></param>        /// <param name="value"></param>        /// <returns></returns>        Task<bool> SetMoveAsync<T>(string sourcekey, string distKey, T value);        /// <summary>        /// 从指定集合当中随机取出一个元素        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <returns></returns>        Task<T> SetRandomMemberAsync<T>(string key);        /// <summary>        /// 从指定集合随机弹出（删除并获取）一个元素        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <returns></returns>        Task<T> SetPopAsync<T>(string key);        /// <summary>        /// 从集合中随机弹出（删除并获取）多个元素        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <returns></returns>        Task<List<T>> SetRandomMembersAsync<T>(string key);        /// <summary>        /// 从集合中移除指定元素        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <param name="value"></param>        /// <returns></returns>        Task<bool> SetRemoveAsync<T>(string key, T value);        /// <summary>        /// 从集合中批量移除元素        /// </summary>        /// <typeparam name="T"></typeparam>        /// <param name="key"></param>        /// <param name="values"></param>        /// <returns></returns>        Task<long> SetMultiRemoveAsync<T>(string key, List<T> values);        #endregion        #region Redis数据类型—SortSet        #endregion        #region Redis Key操作        /// <summary>        /// 删除指定key        /// </summary>        /// <param name="key"></param>        /// <returns></returns>        Task<bool> KeyDeleteAsync(string key);        /// <summary>        /// 设置key过期时间具体DateTime        /// </summary>        /// <param name="key"></param>        /// <param name="expireAt"></param>        /// <returns></returns>        Task<bool> KeyExpireAtAsync(string key, DateTime expireAt);        /// <summary>        /// 设置key在将来的timeout后过期（TimeSpan）        /// </summary>        /// <param name="key"></param>        /// <param name="timeout"></param>        /// <returns></returns>        Task<bool> KeyExpireInAsync(string key, TimeSpan timeout);        /// <summary>        /// key重命名        /// </summary>        /// <param name="key"></param>        /// <param name="newKey"></param>        /// <returns></returns>        Task<bool> KeyRenameAsync(string key, string newKey);        /// <summary>        /// 判断key是否已存在        /// </summary>        /// <param name="key"></param>        /// <returns></returns>        Task<bool> KeyExistsAsync(string key);        #endregion        #region Redis Transcation        /// <summary>        /// 在事务中执行一系列redis命令。注意：在委托中的一系列命令的所有 值  都需要进行字节数组序列化        /// </summary>        /// <param name="ranOperations"></param>        /// <returns></returns>        Task<bool> DoInTranscationAsync(Action<ITransaction> ranOperations);        #endregion        Task<RedisResult> Test();    }}

 

RedisHelper部分类RedisStringHelperAsync.cs

 1 using System; 2 using Fantasy.RedisRepository.CommonHelper; 3 using StackExchange.Redis; 4 using System.Threading.Tasks; 5  6 namespace Fantasy.RedisRepository.RedisHelpers 7 { 8     /// <summary> 9     /// Redis异步操作类  String部分类10     /// </summary>11     internal partial class RedisHelper// : IRedisHelper12     {13 14         private static IDatabase _client;15 16         internal RedisHelper()17         {18             _client = RedisConnection.GenerateConnection.GetDatabase();19         }20 21         #region String 写操作22 23         /// <summary>24         ///  将任何数据添加到redis中25         /// </summary>26         /// <typeparam name="T"></typeparam>27         /// <param name="key"></param>28         /// <param name="value"></param>29         /// <param name="timeout"></param>30         /// <returns></returns>31         public async Task<bool> StringSetAsync<T>(string key, T value, TimeSpan? timeout = null)32         {33             return await _client.StringSetAsync(key, SerializeHelper.Serialize(value), timeout); 34         }35 36         public async Task<long> StringDecrementAsync(string key, long value = 1L)37         {38             return await _client.StringDecrementAsync(key, value);39         }40 41         public async Task<long> StringIncrementAsync(string key, long value = 1L)42         {43             return await _client.StringIncrementAsync(key, value);44         }45         #endregion46 47         #region String 读操作48 49         /// <summary>50         /// 根据key获取指定类型数据51         /// </summary>52         /// <typeparam name="T"></typeparam>53         /// <param name="key"></param>54         /// <returns></returns>55         public async Task<T> StringGetAsync<T>(string key)56         {57             return SerializeHelper.Deserialize<T>(await _client.StringGetAsync(key, CommandFlags.PreferSlave));58         }59 60         #endregion61 62     }63 }

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RedisHelper部分类RedisHashHelperAsync.cs

 1 using Fantasy.RedisRepository.CommonHelper; 2 using StackExchange.Redis; 3 using System.Collections.Generic; 4 using System.Linq; 5 using System.Threading.Tasks; 6  7 namespace Fantasy.RedisRepository.RedisHelpers 8 { 9     /// <summary>10     ///  Redis异步操作类  Hash部分类11     /// </summary>12     internal partial class RedisHelper13     {14         #region Hash 写操作15 16         public async Task<bool> HashSetAsync<T>(string key, string field, T value)17         {18             return await _client.HashSetAsync(key, field, SerializeHelper.Serialize(value));19         }20 21         public async Task HashMultiSetAsync<T>(string key, Dictionary<string, T> hashFields)22         {23             List<HashEntry> entries = new List<HashEntry>();24             hashFields.ToList().ForEach(d => entries.Add(new HashEntry(d.Key, SerializeHelper.Serialize(d.Value))));25             await _client.HashSetAsync(key, entries.ToArray());26         }27 28         public async Task<long> HashIncrementAsync(string key, string field, long incrCount = 1)29         {30             return await _client.HashIncrementAsync(key, field, incrCount);31         }32 33         public async Task<long> HashDecrementAsync(string key, string field, long decrCount = 1)34         {35             return await _client.HashDecrementAsync(key, field, decrCount);36         }37 38         public async Task<bool> HashDeleteFieldAsync(string key, string field)39         {40             return await _client.HashDeleteAsync(key, field);41         }42 43         public async Task<long> HashMultiDeleteFieldAsync(string key, List<string> fields)44         {45             List<RedisValue> values = new List<RedisValue>();46             fields.ForEach(f => values.Add(f));47             return await _client.HashDeleteAsync(key, values.ToArray());48         }49 50         #endregion51 52         #region Hash 读操作53 54         /// <summary>55         /// Redis 指定hash类型key中field是否存在56         /// </summary>57         /// <param name="key"></param>58         /// <param name="field"></param>59         /// <returns></returns>60         public async Task<bool> HashFieldExistAsync(string key, string field)61         {62             return await _client.HashExistsAsync(key, field, CommandFlags.PreferSlave);63         }64         public async Task<List<string>> HashFieldsAsync(string key)65         {66             RedisValue[] values = await _client.HashKeysAsync(key, CommandFlags.PreferSlave);67             return RedisInnerTypeHelper.RedisValuesToGenericList<string>(values);68         }69         public async Task<List<T>> HashValuesAsync<T>(string key)70         {71             var values = await _client.HashValuesAsync(key, CommandFlags.PreferSlave);72             return RedisInnerTypeHelper.RedisValuesToGenericList<T>(values);73         }74 75         public async Task<T> HashGetAsync<T>(string key, string field)76         {77             return SerializeHelper.Deserialize<T>(await _client.HashGetAsync(key, field, CommandFlags.PreferSlave));78         }79 80         public async Task<Dictionary<string, T>> HashGetAllAsync<T>(string key)81         {82             HashEntry[] entries = await _client.HashGetAllAsync(key, CommandFlags.PreferSlave);83             Dictionary<string, T> dic = new Dictionary<string, T>();84             entries.ToList().ForEach(e => dic.Add(e.Name, SerializeHelper.Deserialize<T>(e.Value)));85             return dic;86         }87 88         #endregion89 90     }91 }

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RedisHelper部分类RedisListHelperAsync.cs

 1 using Fantasy.RedisRepository.CommonHelper; 2 using StackExchange.Redis; 3 using System.Collections.Generic; 4 using System.Threading.Tasks; 5  6 namespace Fantasy.RedisRepository.RedisHelpers 7 { 8     /// <summary> 9     /// Redis异步操作类  List部分类  10     /// </summary>11     internal partial class RedisHelper12     {13         //    _client.ListRightPopLeftPushAsync();14         //    _client.ListTrimAsync();15 16         #region List 写操作17 18         public async Task<long> ListInsertAfterAsync<T>(string key, string pivot, T value)19         {20             return await _client.ListInsertAfterAsync(key, pivot, SerializeHelper.Serialize(value));21         }22 23         public async Task<long> ListInsertBeforeAsync<T>(string key, string pivot, T value)24         {25             return await _client.ListInsertBeforeAsync(key, pivot, SerializeHelper.Serialize(value));26         }27 28         public async Task<T> ListLeftPopAsync<T>(string key)29         {30             return SerializeHelper.Deserialize<T>(await _client.ListLeftPopAsync(key));31         }32 33         public async Task<long> ListLeftPushAsync<T>(string key, T value)34         {35             return await _client.ListLeftPushAsync(key, SerializeHelper.Serialize(value));36         }37 38         public async Task<long> ListLeftMultiPushAsync<T>(string key, List<T> values)39         {40             return await _client.ListLeftPushAsync(key, SerializeHelper.Serialize(RedisInnerTypeHelper.GenericListToRedisValues(values)));41         }42 43         public async Task<long> ListRemoveAsync<T>(string key, T value, long count = 0L)44         {45             return await _client.ListRemoveAsync(key, SerializeHelper.Serialize(value), count);46         }47 48         public async Task<T> ListRightPopAsync<T>(string key)49         {50             return SerializeHelper.Deserialize<T>(await _client.ListRightPopAsync(key));51         }52 53         public async Task<long> ListRightPushAsync<T>(string key, T value)54         {55             return await _client.ListRightPushAsync(key, SerializeHelper.Serialize(value));56         }57 58         public async Task<long> ListRightMultiPushAsync<T>(string key, List<T> values)59         {60             return61                 await62                     _client.ListRightPushAsync(key,63                         SerializeHelper.Serialize(RedisInnerTypeHelper.GenericListToRedisValues(values)));64         }65 66         public async Task ListSetByIndexAsync<T>(string key, int index, T value)67         {68             await _client.ListSetByIndexAsync(key, index, SerializeHelper.Serialize(value));69         }70 71         public async Task ListTrimAsync(string key, long start, long stop)72         {73             await _client.ListTrimAsync(key, start, stop);74         }75         #endregion76 77         #region List 读操作78 79         public async Task<T> ListGetByIndexAsync<T>(string key, long index)80         {81             return SerializeHelper.Deserialize<T>(await _client.ListGetByIndexAsync(key, index, CommandFlags.PreferSlave));82         }83 84         public async Task<long> ListLengthAsync<T>(string key)85         {86             return await _client.ListLengthAsync(key, CommandFlags.PreferSlave);87         }88 89         public async Task<List<T>> ListRangeAsync<T>(string key, long start = 0L, long stop = -1L)90         {91             return RedisInnerTypeHelper.RedisValuesToGenericList<T>(await _client.ListRangeAsync(key, start, stop, CommandFlags.PreferSlave));92         }93 94         #endregion95     }96 }

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RedisLuaHelper.cs 这里打算装一些功能行lua脚本， 外部依然是传key一类的参数，这个不完整，只是个实例。

 1 using StackExchange.Redis; 2 using System.Threading.Tasks; 3  4 namespace Fantasy.RedisRepository.RedisHelpers 5 { 6     internal partial class RedisHelper 7     { 8         public async Task<RedisResult> LuaMutilGetHash() 9         {10             string lua = @"local result={}11                 for i, v in ipairs(KEYS) do12                     result[i] = redis.call('hgetall',v) 13                 end14                 return result";15             var res = await _client.ScriptEvaluateAsync(lua, new RedisKey[] { "people:1", "people:2", "people:3" });16            var res1=  LuaScript.GetCachedScriptCount();17             return res;18         }19     }20 }

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关于Transcation的封装，我个人没有什么好的方法，提供了这样一个方法

1  public async Task<bool> DoInTranscationAsync(Action<ITransaction> runOperations)2         {3             var tran = RedisConnection.GenerateConnection.GetDatabase().CreateTransaction();4 5             runOperations(tran);6 7             return await tran.ExecuteAsync();8         }

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RedisFactory.cs

 1 using Fantasy.RedisRepository.RedisHelpers; 2  3 namespace Fantasy.RedisRepository 4 { 5     public class RedisFactory 6     { 7         /// <summary> 8         /// 外部访问redis入口，暂时只暴露异步方法 9         /// </summary>10         /// <returns></returns>11         public static IRedisHelper CreateRedisRepository()12         {13             return new RedisHelper();14         }15     }16 }

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五. 写在最后   

自用RedisRepository分享，仅供参考。有交流才有进步，希望能得到更好的建议，做更好的改进。

如果我的点滴分享对你有点地帮助，欢迎点击下方红色按钮关注，我将持续输出分享。也欢迎为我也为你自己点赞支持。

参考：https://github.com/StackExchange/StackExchange.Redis/tree/master/Docs

　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　——保持学习，谨记谦虚。不端不装，有趣有梦。