RedisRepository 分享和纠错

 using StackExchange.Redis; using System.Collections.Generic; using System.Linq; namespace Fantasy.RedisRepository.CommonHelper { internal class RedisInnerTypeHelper { public static List RedisValuesToGenericList(RedisValue[] redisValues) { var result = new List(); redisValues.ToList().ForEach(r => result.Add(SerializeHelper.Deserialize(r))); return result; } public static RedisValue[] GenericListToRedisValues(List values) { var redisValues = new List(); values.ForEach(v => redisValues.Add(SerializeHelper.Serialize(values))); return redisValues.ToArray(); } public static RedisKey[] GenericListToRedisKeys(List keys) { var redisKeys = new List(); keys.ForEach(k => redisKeys.Add(k)); return redisKeys.ToArray(); } } } 

 using System.IO; using System.Runtime.Serialization.Formatters.Binary; namespace Fantasy.RedisRepository.CommonHelper { internal static class SerializeHelper { /// <summary> /// 字节数组序列化 /// </summary> ///  ///  internal static byte[] Serialize(object o) { if (o == null) { return null; } BinaryFormatter binaryFormatter = new BinaryFormatter(); using (MemoryStream memoryStream = new MemoryStream()) { binaryFormatter.Serialize(memoryStream, o); byte[] objectDataAsStream = memoryStream.ToArray(); return objectDataAsStream; } } /// <summary> /// 字节数组反序列化 /// </summary> ///  ///  ///  internal static T Deserialize(byte[] stream) { if (stream == null) { return default(T); } BinaryFormatter binaryFormatter = new BinaryFormatter(); using (MemoryStream memoryStream = new MemoryStream(stream)) { T result = (T)binaryFormatter.Deserialize(memoryStream); return result; } } } } 

 using System; using System.Configuration; namespace Fantasy.RedisRepository.Config { internal class ConfigHelper { internal static T Get(string appSettingsKey, T defaultValue) { string text = ConfigurationManager.AppSettings[appSettingsKey]; if (string.IsNullOrWhiteSpace(text)) return defaultValue; try { var value = Convert.ChangeType(text, typeof(T)); return (T)value; } catch { return defaultValue; } } } } 

 namespace Fantasy.RedisRepository.Config { internal class RedisClientConfig { private static string _server = ConfigHelper.Get("RedisServer", "115.xx.xx.31"); /// <summary> /// 节点IP /// </summary> public static string Server { get { return _server; } set { _server = value; } } private static int _port = ConfigHelper.Get("RedisPort", 6380); /// <summary> /// 节点端口 /// </summary> public static int Port { get { return _port; } set { _port = value; } } private static string _slaveServer = ConfigHelper.Get("SlaveServer", "115.xx.xx.31"); /// <summary> /// 节点IP /// </summary> public static string SlaveServer { get { return _slaveServer; } set { _slaveServer = value; } } private static int _slavePort = ConfigHelper.Get("SlavePort", 6381); /// <summary> /// 节点端口 /// </summary> public static int SlavePort { get { return _slavePort; } set { _slavePort = value; } } private static string _auth = ConfigHelper.Get("RedisAuth", "fantasy.."); /// <summary> /// 节点密码 /// </summary> public static string RedisAuth { get { return _auth; } set { _auth = value; } } private static int _defaultDatabase = ConfigHelper.Get("RedisDataBase", 0); /// <summary> /// redis默认0号库 /// </summary> public static int DefaultDatabase { get { return _defaultDatabase; } set { _defaultDatabase = value; } } private static int _connectTimeout = 10000; public static int ConnectTimeout { get { return _connectTimeout; } set { _connectTimeout = value; } } private static int _connectRetry = 3; public static int ConnectRetry { get { return _connectRetry; } set { _connectRetry = value; } } private static bool _preserveAsyncOrder = false; public static bool PreserveAsyncOrder { get { return _preserveAsyncOrder; } set { _preserveAsyncOrder = value; } } } } 

 using Fantasy.RedisRepository.Config; using StackExchange.Redis; namespace Fantasy.RedisRepository { /// <summary> /// Redis连接类 /// </summary> public static class RedisConnection { private static ConnectionMultiplexer _connection; private static readonly object SyncObject = new object(); /// <summary> /// redis连接对象，单例加锁不影响性能 /// </summary> public static ConnectionMultiplexer GenerateConnection { get { if (_connection == null || !_connection.IsConnected) { lock (SyncObject) { var configurationOptions = new ConfigurationOptions() { Password = RedisClientConfig.RedisAuth, EndPoints = { {RedisClientConfig.Server, RedisClientConfig.Port}, {RedisClientConfig.SlaveServer, RedisClientConfig.SlavePort} } }; _connection = ConnectionMultiplexer.Connect(configurationOptions); } } return _connection; } } } } 

 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> ///  ///  ///  ///  ///  Task StringSetAsync(string key, T value, TimeSpan? timeout = null); /// <summary> /// 对数值进行减法操作，默认-1 /// </summary> ///  ///  /// 操作后的结果 Task StringDecrementAsync(string key, long value = 1L); /// <summary> /// 对数值进行加法操作，默认+1 /// </summary> ///  ///  /// 操作后的结果 Task StringIncrementAsync(string key, long value = 1L); /// <summary> /// 从redis string中以指定类型取出 /// </summary> ///  ///  ///  Task StringGetAsync(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> ///  ///  ///  ///  /// 是否成功 Task HashSetAsync(string key, string field, T value); /// <summary> /// 批量 向Hash key中存储任意类型任意值 /// </summary> ///  ///  ///  /// 无返回值 Task HashMultiSetAsync(string key, Dictionary 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> ///  ///  ///  /// 操作后的结果 Task 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> ///  ///  ///  /// 操作后的结果 Task 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> ///  ///  /// 是否成功 Task 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> ///  ///  /// 移除数量 Task HashMultiDeleteFieldAsync(string key, List fields); /// <summary> /// 从指定Hash key中获取指定field值 /// </summary> ///  ///  ///  ///  Task HashGetAsync(string key, string field); /// <summary> /// 从指定Hash key中判断field是否存在 /// </summary> ///  ///  ///  Task HashFieldExistAsync(string key, string field); /// <summary> /// 获取指定Hash key中的所有field的值 /// </summary> ///  ///  ///  Task<List> HashValuesAsync(string key); /// <summary> /// 获取指定Hash key中所有 field名称及其Value /// </summary> ///  ///  ///  Task<Dictionary> HashGetAllAsync(string key); /// <summary> /// 获取指定Hash key中所有field /// </summary> ///  ///  Task<List> 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> ///  ///  /// list中的一个值 ///  ///  Task ListInsertAfterAsync(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> ///  ///  ///  ///  ///  Task ListInsertBeforeAsync(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> ///  ///  ///  Task ListLeftPopAsync(string key); /// <summary> /// 从链表左侧增加一个元素,key不存在则被创建 /// </summary> ///  ///  ///  /// 返回操作后的链表长度 Task ListLeftPushAsync(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> ///  ///  ///  /// 返回操作后的链表长度 Task ListLeftMultiPushAsync(string key, List values); /// <summary> /// 获取链表长度，不存在key则为0 /// </summary> ///  ///  ///  Task ListLengthAsync(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> ///  ///  ///  ///  ///  Task<List> ListRangeAsync(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> ///  ///  ///  ///  ///  Task ListRemoveAsync(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> ///  ///  ///  Task ListRightPopAsync(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> ///  ///  ///  ///  Task ListRightPushAsync(string key, T value); /// <summary> /// 从右侧批量插入，和左侧相反 /// </summary> ///  ///  ///  ///  Task ListRightMultiPushAsync(string key, List 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> ///  ///  ///  ///  ///  Task ListSetByIndexAsync(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> ///  ///  ///  ///  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> ///  ///  ///  ///  Task ListGetByIndexAsync(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> ///  ///  ///  ///  Task SetAddAsync(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> ///  ///  ///  ///  Task SetCombineAndStoreAsync(SetOperation operation, string destKey, List 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> ///  ///  ///  ///  Task<List> SetCombineAsync(SetOperation operation, List combineKeys); /// <summary> /// 指定值是否存在于指定集合中 /// </summary> ///  ///  ///  ///  Task SetContainsAsync(string key, T value); /// <summary> /// 获取指定集合中元素个数 /// </summary> ///  ///  Task SetLengthAsync(string key); /// <summary> /// 获取指定集合中的所有元素 /// </summary> ///  ///  ///  ///  Task<List> SetMembersAsync(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> ///  ///  ///  ///  ///  Task SetMoveAsync(string sourcekey, string distKey, T value); /// <summary> /// 从指定集合当中随机取出一个元素 /// </summary> ///  ///  ///  Task SetRandomMemberAsync(string key); /// <summary> /// 从指定集合随机弹出（删除并获取）一个元素 /// </summary> ///  ///  ///  Task SetPopAsync(string key); /// <summary> /// 从集合中随机弹出（删除并获取）多个元素 /// </summary> ///  ///  ///  Task<List> SetRandomMembersAsync(string key); /// <summary> /// 从集合中移除指定元素 /// </summary> ///  ///  ///  ///  Task SetRemoveAsync(string key, T value); /// <summary> /// 从集合中批量移除元素 /// </summary> ///  ///  ///  ///  Task SetMultiRemoveAsync(string key, List values); #endregion #region Redis数据类型―SortSet #endregion #region Redis Key操作 /// <summary> /// 删除指定key /// </summary> ///  ///  Task KeyDeleteAsync(string key); /// <summary> /// 设置key过期时间具体DateTime /// </summary> ///  ///  ///  Task KeyExpireAtAsync(string key, DateTime expireAt); /// <summary> /// 设置key在将来的timeout后过期（TimeSpan） /// </summary> ///  ///  ///  Task KeyExpireInAsync(string key, TimeSpan timeout); /// <summary> /// key重命名 /// </summary> ///  ///  ///  Task KeyRenameAsync(string key, string newKey); /// <summary> /// 判断key是否已存在 /// </summary> ///  ///  Task 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> ///  ///  Task DoInTranscationAsync(Action ranOperations); #endregion Task Test(); } } 

 using System; using Fantasy.RedisRepository.CommonHelper; using StackExchange.Redis; using System.Threading.Tasks; namespace Fantasy.RedisRepository.RedisHelpers { /// <summary> /// Redis异步操作类 String部分类 /// </summary> internal partial class RedisHelper// : IRedisHelper { private static IDatabase _client; internal RedisHelper() { _client = RedisConnection.GenerateConnection.GetDatabase(); } #region String 写操作 /// <summary> /// 将任何数据添加到redis中 /// </summary> ///  ///  ///  ///  ///  public async Task StringSetAsync(string key, T value, TimeSpan? timeout = null) { return await _client.StringSetAsync(key, SerializeHelper.Serialize(value), timeout); } public async Task StringDecrementAsync(string key, long value = 1L) { return await _client.StringDecrementAsync(key, value); } public async Task StringIncrementAsync(string key, long value = 1L) { return await _client.StringIncrementAsync(key, value); } #endregion #region String 读操作 /// <summary> /// 根据key获取指定类型数据 /// </summary> ///  ///  ///  public async Task StringGetAsync(string key) { return SerializeHelper.Deserialize(await _client.StringGetAsync(key, CommandFlags.PreferSlave)); } #endregion } } 

 using Fantasy.RedisRepository.CommonHelper; using StackExchange.Redis; using System.Collections.Generic; using System.Linq; using System.Threading.Tasks; namespace Fantasy.RedisRepository.RedisHelpers { /// <summary> /// Redis异步操作类 Hash部分类 /// </summary> internal partial class RedisHelper { #region Hash 写操作 public async Task HashSetAsync(string key, string field, T value) { return await _client.HashSetAsync(key, field, SerializeHelper.Serialize(value)); } public async Task HashMultiSetAsync(string key, Dictionary hashFields) { List entries = new List(); hashFields.ToList().ForEach(d => entries.Add(new HashEntry(d.Key, SerializeHelper.Serialize(d.Value)))); await _client.HashSetAsync(key, entries.ToArray()); } public async Task HashIncrementAsync(string key, string field, long incrCount = 1) { return await _client.HashIncrementAsync(key, field, incrCount); } public async Task HashDecrementAsync(string key, string field, long decrCount = 1) { return await _client.HashDecrementAsync(key, field, decrCount); } public async Task HashDeleteFieldAsync(string key, string field) { return await _client.HashDeleteAsync(key, field); } public async Task HashMultiDeleteFieldAsync(string key, List fields) { List values = new List(); fields.ForEach(f => values.Add(f)); return await _client.HashDeleteAsync(key, values.ToArray()); } #endregion #region Hash 读操作 /// <summary> /// Redis 指定hash类型key中field是否存在 /// </summary> ///  ///  ///  public async Task HashFieldExistAsync(string key, string field) { return await _client.HashExistsAsync(key, field, CommandFlags.PreferSlave); } public async Task<List> HashFieldsAsync(string key) { RedisValue[] values = await _client.HashKeysAsync(key, CommandFlags.PreferSlave); return RedisInnerTypeHelper.RedisValuesToGenericList(values); } public async Task<List> HashValuesAsync(string key) { var values = await _client.HashValuesAsync(key, CommandFlags.PreferSlave); return RedisInnerTypeHelper.RedisValuesToGenericList(values); } public async Task HashGetAsync(string key, string field) { return SerializeHelper.Deserialize(await _client.HashGetAsync(key, field, CommandFlags.PreferSlave)); } public async Task<Dictionary> HashGetAllAsync(string key) { HashEntry[] entries = await _client.HashGetAllAsync(key, CommandFlags.PreferSlave); Dictionary dic = new Dictionary(); entries.ToList().ForEach(e => dic.Add(e.Name, SerializeHelper.Deserialize(e.Value))); return dic; } #endregion } } 

 using Fantasy.RedisRepository.CommonHelper; using StackExchange.Redis; using System.Collections.Generic; using System.Linq; using System.Threading.Tasks; namespace Fantasy.RedisRepository.RedisHelpers { /// <summary> /// Redis异步操作类 Hash部分类 /// </summary> internal partial class RedisHelper { #region Hash 写操作 public async Task HashSetAsync(string key, string field, T value) { return await _client.HashSetAsync(key, field, SerializeHelper.Serialize(value)); } public async Task HashMultiSetAsync(string key, Dictionary<em style="color:transparent">来源gao.dai.ma.com搞@代*码网</em> hashFields) { List entries = new List(); hashFields.ToList().ForEach(d => entries.Add(new HashEntry(d.Key, SerializeHelper.Serialize(d.Value)))); await _client.HashSetAsync(key, entries.ToArray()); } public async Task HashIncrementAsync(string key, string field, long incrCount = 1) { return await _client.HashIncrementAsync(key, field, incrCount); } public async Task HashDecrementAsync(string key, string field, long decrCount = 1) { return await _client.HashDecrementAsync(key, field, decrCount); } public async Task HashDeleteFieldAsync(string key, string field) { return await _client.HashDeleteAsync(key, field); } public async Task HashMultiDeleteFieldAsync(string key, List fields) { List values = new List(); fields.ForEach(f => values.Add(f)); return await _client.HashDeleteAsync(key, values.ToArray()); } #endregion #region Hash 读操作 /// <summary> /// Redis 指定hash类型key中field是否存在 /// </summary> ///  ///  ///  public async Task HashFieldExistAsync(string key, string field) { return await _client.HashExistsAsync(key, field, CommandFlags.PreferSlave); } public async Task<List> HashFieldsAsync(string key) { RedisValue[] values = await _client.HashKeysAsync(key, CommandFlags.PreferSlave); return RedisInnerTypeHelper.RedisValuesToGenericList(values); } public async Task<List> HashValuesAsync(string key) { var values = await _client.HashValuesAsync(key, CommandFlags.PreferSlave); return RedisInnerTypeHelper.RedisValuesToGenericList(values); } public async Task HashGetAsync(string key, string field) { return SerializeHelper.Deserialize(await _client.HashGetAsync(key, field, CommandFlags.PreferSlave)); } public async Task<Dictionary> HashGetAllAsync(string key) { HashEntry[] entries = await _client.HashGetAllAsync(key, CommandFlags.PreferSlave); Dictionary dic = new Dictionary(); entries.ToList().ForEach(e => dic.Add(e.Name, SerializeHelper.Deserialize(e.Value))); return dic; } #endregion } } 

 using StackExchange.Redis; using System.Threading.Tasks; namespace Fantasy.RedisRepository.RedisHelpers { internal partial class RedisHelper { public async Task LuaMutilGetHash() { string lua = @"local result={} for i, v in ipairs(KEYS) do result[i] = redis.call('hgetall',v) end return result"; var res = await _client.ScriptEvaluateAsync(lua, new RedisKey[] { "people:1", "people:2", "people:3" }); var res1= LuaScript.GetCachedScriptCount(); return res; } } }

 public async Task DoInTranscationAsync(Action runOperations) { var tran = RedisConnection.GenerateConnection.GetDatabase().CreateTransaction(); runOperations(tran); return await tran.ExecuteAsync(); } 

 using Fantasy.RedisRepository.RedisHelpers; namespace Fantasy.RedisRepository { public class RedisFactory { /// <summary> /// 外部访问redis入口，暂时只暴露异步方法 /// </summary> ///  public static IRedisHelper CreateRedisRepository() { return new RedisHelper(); } } }