RedisHelper.Net Core StackExchange.Redis

    技术2022-07-10  160

    Install-Package StackExchange.Redis -Version 2.0.601 using StackExchange.Redis; using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Runtime.Serialization.Formatters.Binary; using System.Text; using System.Threading.Tasks; namespace RedisDemo { /// <summary> /// Redis 助手 /// </summary> public class RedisHelper { /// <summary> /// 连接字符串 /// </summary> private readonly string ConnectionString; /// <summary> /// redis 连接对象 /// </summary> private IConnectionMultiplexer _connMultiplexer; /// <summary> /// 默认的 Key 值(用来当作 RedisKey 的前缀) /// </summary> private readonly string DefaultKey; /// <summary> /// 锁 /// </summary> private readonly object Locker = new object(); /// <summary> /// 数据库 /// </summary> private readonly IDatabase _db; /// <summary> /// 获取 Redis 连接对象 /// </summary> /// <returns></returns> public IConnectionMultiplexer GetConnectionRedisMultiplexer() { if ((_connMultiplexer == null) || !_connMultiplexer.IsConnected) { lock (Locker) { if ((_connMultiplexer == null) || !_connMultiplexer.IsConnected) _connMultiplexer = ConnectionMultiplexer.Connect(ConnectionString); } } return _connMultiplexer; } #region 其它 public ITransaction GetTransaction() { return _db.CreateTransaction(); } #endregion 其它 #region 构造函数 public RedisHelper(string RedisConnectionString = "localhost", string defaultKey = "redisKey", int DataBaseIndex = 0) { ConnectionString = RedisConnectionString; _connMultiplexer = ConnectionMultiplexer.Connect(ConnectionString); DefaultKey = defaultKey; AddRegisterEvent(); _db = _connMultiplexer.GetDatabase(DataBaseIndex); } #endregion 构造函数 #region String 操作 /// <summary> /// 设置 key 并保存字符串(如果 key 已存在,则覆盖值) /// </summary> /// <param name="redisKey"></param> /// <param name="redisValue"></param> /// <param name="expiry"></param> /// <returns></returns> public bool StringSet(string redisKey, string redisValue, TimeSpan? expiry = null) { redisKey = AddKeyPrefix(redisKey); return _db.StringSet(redisKey, redisValue, expiry); } /// <summary> /// 保存多个 Key-value /// </summary> /// <param name="keyValuePairs"></param> /// <returns></returns> public bool StringSet(IEnumerable<KeyValuePair<RedisKey, RedisValue>> keyValuePairs) { keyValuePairs = keyValuePairs.Select(x => new KeyValuePair<RedisKey, RedisValue>(AddKeyPrefix(x.Key), x.Value)); return _db.StringSet(keyValuePairs.ToArray()); } /// <summary> /// 获取字符串 /// </summary> /// <param name="redisKey"></param> /// <param name="expiry"></param> /// <returns></returns> public string StringGet(string redisKey, TimeSpan? expiry = null) { redisKey = AddKeyPrefix(redisKey); return _db.StringGet(redisKey); } /// <summary> /// 存储一个对象(该对象会被序列化保存) /// </summary> /// <param name="redisKey"></param> /// <param name="redisValue"></param> /// <param name="expiry"></param> /// <returns></returns> public bool StringSet<T>(string redisKey, T redisValue, TimeSpan? expiry = null) { redisKey = AddKeyPrefix(redisKey); var json = Serialize(redisValue); return _db.StringSet(redisKey, json, expiry); } /// <summary> /// 获取一个对象(会进行反序列化) /// </summary> /// <param name="redisKey"></param> /// <param name="expiry"></param> /// <returns></returns> public T StringGet<T>(string redisKey, TimeSpan? expiry = null) { redisKey = AddKeyPrefix(redisKey); return Deserialize<T>(_db.StringGet(redisKey)); } #region async /// <summary> /// 保存一个字符串值 /// </summary> /// <param name="redisKey"></param> /// <param name="redisValue"></param> /// <param name="expiry"></param> /// <returns></returns> public async Task<bool> StringSetAsync(string redisKey, string redisValue, TimeSpan? expiry = null) { redisKey = AddKeyPrefix(redisKey); return await _db.StringSetAsync(redisKey, redisValue, expiry); } /// <summary> /// 保存一组字符串值 /// </summary> /// <param name="keyValuePairs"></param> /// <returns></returns> public async Task<bool> StringSetAsync(IEnumerable<KeyValuePair<RedisKey, RedisValue>> keyValuePairs) { keyValuePairs = keyValuePairs.Select(x => new KeyValuePair<RedisKey, RedisValue>(AddKeyPrefix(x.Key), x.Value)); return await _db.StringSetAsync(keyValuePairs.ToArray()); } /// <summary> /// 获取单个值 /// </summary> /// <param name="redisKey"></param> /// <param name="redisValue"></param> /// <param name="expiry"></param> /// <returns></returns> public async Task<string> StringGetAsync(string redisKey, string redisValue, TimeSpan? expiry = null) { redisKey = AddKeyPrefix(redisKey); return await _db.StringGetAsync(redisKey); } /// <summary> /// 存储一个对象(该对象会被序列化保存) /// </summary> /// <param name="redisKey"></param> /// <param name="redisValue"></param> /// <param name="expiry"></param> /// <returns></returns> public async Task<bool> StringSetAsync<T>(string redisKey, T redisValue, TimeSpan? expiry = null) { redisKey = AddKeyPrefix(redisKey); var json = Serialize(redisValue); return await _db.StringSetAsync(redisKey, json, expiry); } /// <summary> /// 获取一个对象(会进行反序列化) /// </summary> /// <param name="redisKey"></param> /// <param name="expiry"></param> /// <returns></returns> public async Task<T> StringGetAsync<T>(string redisKey, TimeSpan? expiry = null) { redisKey = AddKeyPrefix(redisKey); return Deserialize<T>(await _db.StringGetAsync(redisKey)); } #endregion async #endregion String 操作 #region Hash 操作 /// <summary> /// 判断该字段是否存在 hash 中 /// </summary> /// <param name="redisKey"></param> /// <param name="hashField"></param> /// <returns></returns> public bool HashExists(string redisKey, string hashField) { redisKey = AddKeyPrefix(redisKey); return _db.HashExists(redisKey, hashField); } /// <summary> /// 从 hash 中移除指定字段 /// </summary> /// <param name="redisKey"></param> /// <param name="hashField"></param> /// <returns></returns> public bool HashDelete(string redisKey, string hashField) { redisKey = AddKeyPrefix(redisKey); return _db.HashDelete(redisKey, hashField); } /// <summary> /// 从 hash 中移除指定字段 /// </summary> /// <param name="redisKey"></param> /// <param name="hashField"></param> /// <returns></returns> public long HashDelete(string redisKey, IEnumerable<RedisValue> hashField) { redisKey = AddKeyPrefix(redisKey); return _db.HashDelete(redisKey, hashField.ToArray()); } /// <summary> /// 在 hash 设定值 /// </summary> /// <param name="redisKey"></param> /// <param name="hashField"></param> /// <param name="value"></param> /// <returns></returns> public bool HashSet(string redisKey, string hashField, string value) { redisKey = AddKeyPrefix(redisKey); return _db.HashSet(redisKey, hashField, value); } /// <summary> /// 在 hash 中设定值 /// </summary> /// <param name="redisKey"></param> /// <param name="hashFields"></param> public void HashSet(string redisKey, IEnumerable<HashEntry> hashFields) { redisKey = AddKeyPrefix(redisKey); _db.HashSet(redisKey, hashFields.ToArray()); } /// <summary> /// 在 hash 中获取值 /// </summary> /// <param name="redisKey"></param> /// <param name="hashField"></param> /// <returns></returns> public RedisValue HashGet(string redisKey, string hashField) { redisKey = AddKeyPrefix(redisKey); return _db.HashGet(redisKey, hashField); } /// <summary> /// 在 hash 中获取值 /// </summary> /// <param name="redisKey"></param> /// <param name="hashField"></param> /// <param name="value"></param> /// <returns></returns> public RedisValue[] HashGet(string redisKey, RedisValue[] hashField, string value) { redisKey = AddKeyPrefix(redisKey); return _db.HashGet(redisKey, hashField); } /// <summary> /// 从 hash 返回所有的字段值 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public IEnumerable<RedisValue> HashKeys(string redisKey) { redisKey = AddKeyPrefix(redisKey); return _db.HashKeys(redisKey); } /// <summary> /// 返回 hash 中的所有值 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public RedisValue[] HashValues(string redisKey) { redisKey = AddKeyPrefix(redisKey); return _db.HashValues(redisKey); } /// <summary> /// 在 hash 设定值(序列化) /// </summary> /// <param name="redisKey"></param> /// <param name="hashField"></param> /// <param name="value"></param> /// <returns></returns> public bool HashSet<T>(string redisKey, string hashField, T value) { redisKey = AddKeyPrefix(redisKey); var json = Serialize(value); return _db.HashSet(redisKey, hashField, json); } /// <summary> /// 在 hash 中获取值(反序列化) /// </summary> /// <param name="redisKey"></param> /// <param name="hashField"></param> /// <returns></returns> public T HashGet<T>(string redisKey, string hashField) { redisKey = AddKeyPrefix(redisKey); return Deserialize<T>(_db.HashGet(redisKey, hashField)); } #region async /// <summary> /// 判断该字段是否存在 hash 中 /// </summary> /// <param name="redisKey"></param> /// <param name="hashField"></param> /// <returns></returns> public async Task<bool> HashExistsAsync(string redisKey, string hashField) { redisKey = AddKeyPrefix(redisKey); return await _db.HashExistsAsync(redisKey, hashField); } /// <summary> /// 从 hash 中移除指定字段 /// </summary> /// <param name="redisKey"></param> /// <param name="hashField"></param> /// <returns></returns> public async Task<bool> HashDeleteAsync(string redisKey, string hashField) { redisKey = AddKeyPrefix(redisKey); return await _db.HashDeleteAsync(redisKey, hashField); } /// <summary> /// 从 hash 中移除指定字段 /// </summary> /// <param name="redisKey"></param> /// <param name="hashField"></param> /// <returns></returns> public async Task<long> HashDeleteAsync(string redisKey, IEnumerable<RedisValue> hashField) { redisKey = AddKeyPrefix(redisKey); return await _db.HashDeleteAsync(redisKey, hashField.ToArray()); } /// <summary> /// 在 hash 设定值 /// </summary> /// <param name="redisKey"></param> /// <param name="hashField"></param> /// <param name="value"></param> /// <returns></returns> public async Task<bool> HashSetAsync(string redisKey, string hashField, string value) { redisKey = AddKeyPrefix(redisKey); return await _db.HashSetAsync(redisKey, hashField, value); } /// <summary> /// 在 hash 中设定值 /// </summary> /// <param name="redisKey"></param> /// <param name="hashFields"></param> public async Task HashSetAsync(string redisKey, IEnumerable<HashEntry> hashFields) { redisKey = AddKeyPrefix(redisKey); await _db.HashSetAsync(redisKey, hashFields.ToArray()); } /// <summary> /// 在 hash 中获取值 /// </summary> /// <param name="redisKey"></param> /// <param name="hashField"></param> /// <returns></returns> public async Task<RedisValue> HashGetAsync(string redisKey, string hashField) { redisKey = AddKeyPrefix(redisKey); return await _db.HashGetAsync(redisKey, hashField); } /// <summary> /// 在 hash 中获取值 /// </summary> /// <param name="redisKey"></param> /// <param name="hashField"></param> /// <param name="value"></param> /// <returns></returns> public async Task<IEnumerable<RedisValue>> HashGetAsync(string redisKey, RedisValue[] hashField, string value) { redisKey = AddKeyPrefix(redisKey); return await _db.HashGetAsync(redisKey, hashField); } /// <summary> /// 从 hash 返回所有的字段值 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public async Task<IEnumerable<RedisValue>> HashKeysAsync(string redisKey) { redisKey = AddKeyPrefix(redisKey); return await _db.HashKeysAsync(redisKey); } /// <summary> /// 返回 hash 中的所有值 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public async Task<IEnumerable<RedisValue>> HashValuesAsync(string redisKey) { redisKey = AddKeyPrefix(redisKey); return await _db.HashValuesAsync(redisKey); } /// <summary> /// 在 hash 设定值(序列化) /// </summary> /// <param name="redisKey"></param> /// <param name="hashField"></param> /// <param name="value"></param> /// <returns></returns> public async Task<bool> HashSetAsync<T>(string redisKey, string hashField, T value) { redisKey = AddKeyPrefix(redisKey); var json = Serialize(value); return await _db.HashSetAsync(redisKey, hashField, json); } /// <summary> /// 在 hash 中获取值(反序列化) /// </summary> /// <param name="redisKey"></param> /// <param name="hashField"></param> /// <returns></returns> public async Task<T> HashGetAsync<T>(string redisKey, string hashField) { redisKey = AddKeyPrefix(redisKey); return Deserialize<T>(await _db.HashGetAsync(redisKey, hashField)); } #endregion async #endregion Hash 操作 #region List 操作 /// <summary> /// 移除并返回存储在该键列表的第一个元素 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public string ListLeftPop(string redisKey) { redisKey = AddKeyPrefix(redisKey); return _db.ListLeftPop(redisKey); } /// <summary> /// 移除并返回存储在该键列表的最后一个元素 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public string ListRightPop(string redisKey) { redisKey = AddKeyPrefix(redisKey); return _db.ListRightPop(redisKey); } /// <summary> /// 移除列表指定键上与该值相同的元素 /// </summary> /// <param name="redisKey"></param> /// <param name="redisValue"></param> /// <returns></returns> public long ListRemove(string redisKey, string redisValue) { redisKey = AddKeyPrefix(redisKey); return _db.ListRemove(redisKey, redisValue); } /// <summary> /// 在列表尾部插入值。如果键不存在,先创建再插入值 /// </summary> /// <param name="redisKey"></param> /// <param name="redisValue"></param> /// <returns></returns> public long ListRightPush(string redisKey, string redisValue) { redisKey = AddKeyPrefix(redisKey); return _db.ListRightPush(redisKey, redisValue); } /// <summary> /// 在列表头部插入值。如果键不存在,先创建再插入值 /// </summary> /// <param name="redisKey"></param> /// <param name="redisValue"></param> /// <returns></returns> public long ListLeftPush(string redisKey, string redisValue) { redisKey = AddKeyPrefix(redisKey); return _db.ListLeftPush(redisKey, redisValue); } /// <summary> /// 返回列表上该键的长度,如果不存在,返回 0 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public long ListLength(string redisKey) { redisKey = AddKeyPrefix(redisKey); return _db.ListLength(redisKey); } /// <summary> /// 返回在该列表上键所对应的元素 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public IEnumerable<RedisValue> ListRange(string redisKey) { redisKey = AddKeyPrefix(redisKey); return _db.ListRange(redisKey); } /// <summary> /// 移除并返回存储在该键列表的第一个元素 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public T ListLeftPop<T>(string redisKey) { redisKey = AddKeyPrefix(redisKey); return Deserialize<T>(_db.ListLeftPop(redisKey)); } /// <summary> /// 移除并返回存储在该键列表的最后一个元素 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public T ListRightPop<T>(string redisKey) { redisKey = AddKeyPrefix(redisKey); return Deserialize<T>(_db.ListRightPop(redisKey)); } /// <summary> /// 在列表尾部插入值。如果键不存在,先创建再插入值 /// </summary> /// <param name="redisKey"></param> /// <param name="redisValue"></param> /// <returns></returns> public long ListRightPush<T>(string redisKey, T redisValue) { redisKey = AddKeyPrefix(redisKey); return _db.ListRightPush(redisKey, Serialize(redisValue)); } /// <summary> /// 在列表头部插入值。如果键不存在,先创建再插入值 /// </summary> /// <param name="redisKey"></param> /// <param name="redisValue"></param> /// <returns></returns> public long ListLeftPush<T>(string redisKey, T redisValue) { redisKey = AddKeyPrefix(redisKey); return _db.ListLeftPush(redisKey, Serialize(redisValue)); } #region List-async /// <summary> /// 移除并返回存储在该键列表的第一个元素 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public async Task<string> ListLeftPopAsync(string redisKey) { redisKey = AddKeyPrefix(redisKey); return await _db.ListLeftPopAsync(redisKey); } /// <summary> /// 移除并返回存储在该键列表的最后一个元素 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public async Task<string> ListRightPopAsync(string redisKey) { redisKey = AddKeyPrefix(redisKey); return await _db.ListRightPopAsync(redisKey); } /// <summary> /// 移除列表指定键上与该值相同的元素 /// </summary> /// <param name="redisKey"></param> /// <param name="redisValue"></param> /// <returns></returns> public async Task<long> ListRemoveAsync(string redisKey, string redisValue) { redisKey = AddKeyPrefix(redisKey); return await _db.ListRemoveAsync(redisKey, redisValue); } /// <summary> /// 在列表尾部插入值。如果键不存在,先创建再插入值 /// </summary> /// <param name="redisKey"></param> /// <param name="redisValue"></param> /// <returns></returns> public async Task<long> ListRightPushAsync(string redisKey, string redisValue) { redisKey = AddKeyPrefix(redisKey); return await _db.ListRightPushAsync(redisKey, redisValue); } /// <summary> /// 在列表头部插入值。如果键不存在,先创建再插入值 /// </summary> /// <param name="redisKey"></param> /// <param name="redisValue"></param> /// <returns></returns> public async Task<long> ListLeftPushAsync(string redisKey, string redisValue) { redisKey = AddKeyPrefix(redisKey); return await _db.ListLeftPushAsync(redisKey, redisValue); } /// <summary> /// 返回列表上该键的长度,如果不存在,返回 0 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public async Task<long> ListLengthAsync(string redisKey) { redisKey = AddKeyPrefix(redisKey); return await _db.ListLengthAsync(redisKey); } /// <summary> /// 返回在该列表上键所对应的元素 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public async Task<IEnumerable<RedisValue>> ListRangeAsync(string redisKey) { redisKey = AddKeyPrefix(redisKey); return await _db.ListRangeAsync(redisKey); } /// <summary> /// 移除并返回存储在该键列表的第一个元素 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public async Task<T> ListLeftPopAsync<T>(string redisKey) { redisKey = AddKeyPrefix(redisKey); return Deserialize<T>(await _db.ListLeftPopAsync(redisKey)); } /// <summary> /// 移除并返回存储在该键列表的最后一个元素 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public async Task<T> ListRightPopAsync<T>(string redisKey) { redisKey = AddKeyPrefix(redisKey); return Deserialize<T>(await _db.ListRightPopAsync(redisKey)); } /// <summary> /// 在列表尾部插入值。如果键不存在,先创建再插入值 /// </summary> /// <param name="redisKey"></param> /// <param name="redisValue"></param> /// <returns></returns> public async Task<long> ListRightPushAsync<T>(string redisKey, T redisValue) { redisKey = AddKeyPrefix(redisKey); return await _db.ListRightPushAsync(redisKey, Serialize(redisValue)); } /// <summary> /// 在列表头部插入值。如果键不存在,先创建再插入值 /// </summary> /// <param name="redisKey"></param> /// <param name="redisValue"></param> /// <returns></returns> public async Task<long> ListLeftPushAsync<T>(string redisKey, T redisValue) { redisKey = AddKeyPrefix(redisKey); return await _db.ListLeftPushAsync(redisKey, Serialize(redisValue)); } #endregion List-async #endregion List 操作 #region SortedSet 操作 /// <summary> /// SortedSet 新增 /// </summary> /// <param name="redisKey"></param> /// <param name="member"></param> /// <param name="score"></param> /// <returns></returns> public bool SortedSetAdd(string redisKey, string member, double score) { redisKey = AddKeyPrefix(redisKey); return _db.SortedSetAdd(redisKey, member, score); } /// <summary> /// 在有序集合中返回指定范围的元素,默认情况下从低到高。 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public IEnumerable<RedisValue> SortedSetRangeByRank(string redisKey) { redisKey = AddKeyPrefix(redisKey); return _db.SortedSetRangeByRank(redisKey); } /// <summary> /// 返回有序集合的元素个数 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public long SortedSetLength(string redisKey) { redisKey = AddKeyPrefix(redisKey); return _db.SortedSetLength(redisKey); } /// <summary> /// 返回有序集合的元素个数 /// </summary> /// <param name="redisKey"></param> /// <param name="memebr"></param> /// <returns></returns> public bool SortedSetLength(string redisKey, string memebr) { redisKey = AddKeyPrefix(redisKey); return _db.SortedSetRemove(redisKey, memebr); } /// <summary> /// SortedSet 新增 /// </summary> /// <param name="redisKey"></param> /// <param name="member"></param> /// <param name="score"></param> /// <returns></returns> public bool SortedSetAdd<T>(string redisKey, T member, double score) { redisKey = AddKeyPrefix(redisKey); var json = Serialize(member); return _db.SortedSetAdd(redisKey, json, score); } #region SortedSet-Async /// <summary> /// SortedSet 新增 /// </summary> /// <param name="redisKey"></param> /// <param name="member"></param> /// <param name="score"></param> /// <returns></returns> public async Task<bool> SortedSetAddAsync(string redisKey, string member, double score) { redisKey = AddKeyPrefix(redisKey); return await _db.SortedSetAddAsync(redisKey, member, score); } /// <summary> /// 在有序集合中返回指定范围的元素,默认情况下从低到高。 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public async Task<IEnumerable<RedisValue>> SortedSetRangeByRankAsync(string redisKey) { redisKey = AddKeyPrefix(redisKey); return await _db.SortedSetRangeByRankAsync(redisKey); } /// <summary> /// 返回有序集合的元素个数 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public async Task<long> SortedSetLengthAsync(string redisKey) { redisKey = AddKeyPrefix(redisKey); return await _db.SortedSetLengthAsync(redisKey); } /// <summary> /// 返回有序集合的元素个数 /// </summary> /// <param name="redisKey"></param> /// <param name="memebr"></param> /// <returns></returns> public async Task<bool> SortedSetRemoveAsync(string redisKey, string memebr) { redisKey = AddKeyPrefix(redisKey); return await _db.SortedSetRemoveAsync(redisKey, memebr); } /// <summary> /// SortedSet 新增 /// </summary> /// <param name="redisKey"></param> /// <param name="member"></param> /// <param name="score"></param> /// <returns></returns> public async Task<bool> SortedSetAddAsync<T>(string redisKey, T member, double score) { redisKey = AddKeyPrefix(redisKey); var json = Serialize(member); return await _db.SortedSetAddAsync(redisKey, json, score); } #endregion SortedSet-Async #endregion SortedSet 操作 #region key 操作 /// <summary> /// 移除指定 Key /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public bool KeyDelete(string redisKey) { redisKey = AddKeyPrefix(redisKey); return _db.KeyDelete(redisKey); } /// <summary> /// 移除指定 Key /// </summary> /// <param name="redisKeys"></param> /// <returns></returns> public long KeyDelete(IEnumerable<string> redisKeys) { var keys = redisKeys.Select(x => (RedisKey)AddKeyPrefix(x)); return _db.KeyDelete(keys.ToArray()); } /// <summary> /// 校验 Key 是否存在 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public bool KeyExists(string redisKey) { redisKey = AddKeyPrefix(redisKey); return _db.KeyExists(redisKey); } /// <summary> /// 重命名 Key /// </summary> /// <param name="redisKey"></param> /// <param name="redisNewKey"></param> /// <returns></returns> public bool KeyRename(string redisKey, string redisNewKey) { redisKey = AddKeyPrefix(redisKey); return _db.KeyRename(redisKey, redisNewKey); } /// <summary> /// 设置 Key 的时间 /// </summary> /// <param name="redisKey"></param> /// <param name="expiry"></param> /// <returns></returns> public bool KeyExpire(string redisKey, TimeSpan? expiry) { redisKey = AddKeyPrefix(redisKey); return _db.KeyExpire(redisKey, expiry); } #region key-async /// <summary> /// 移除指定 Key /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public async Task<bool> KeyDeleteAsync(string redisKey) { redisKey = AddKeyPrefix(redisKey); return await _db.KeyDeleteAsync(redisKey); } /// <summary> /// 移除指定 Key /// </summary> /// <param name="redisKeys"></param> /// <returns></returns> public async Task<long> KeyDeleteAsync(IEnumerable<string> redisKeys) { var keys = redisKeys.Select(x => (RedisKey)AddKeyPrefix(x)); return await _db.KeyDeleteAsync(keys.ToArray()); } /// <summary> /// 校验 Key 是否存在 /// </summary> /// <param name="redisKey"></param> /// <returns></returns> public async Task<bool> KeyExistsAsync(string redisKey) { redisKey = AddKeyPrefix(redisKey); return await _db.KeyExistsAsync(redisKey); } /// <summary> /// 重命名 Key /// </summary> /// <param name="redisKey"></param> /// <param name="redisNewKey"></param> /// <returns></returns> public async Task<bool> KeyRenameAsync(string redisKey, string redisNewKey) { redisKey = AddKeyPrefix(redisKey); return await _db.KeyRenameAsync(redisKey, redisNewKey); } /// <summary> /// 设置 Key 的时间 /// </summary> /// <param name="redisKey"></param> /// <param name="expiry"></param> /// <returns></returns> public async Task<bool> KeyExpireAsync(string redisKey, TimeSpan? expiry) { redisKey = AddKeyPrefix(redisKey); return await _db.KeyExpireAsync(redisKey, expiry); } #endregion key-async #endregion key 操作 #region 发布订阅 /// <summary> /// 订阅 /// </summary> /// <param name="channel"></param> /// <param name="handle"></param> public void Subscribe(RedisChannel channel, Action<RedisChannel, RedisValue> handle) { var sub = _connMultiplexer.GetSubscriber(); sub.Subscribe(channel, handle); } /// <summary> /// 发布 /// </summary> /// <param name="channel"></param> /// <param name="message"></param> /// <returns></returns> public long Publish(RedisChannel channel, RedisValue message) { var sub = _connMultiplexer.GetSubscriber(); return sub.Publish(channel, message); } /// <summary> /// 发布(使用序列化) /// </summary> /// <typeparam name="T"></typeparam> /// <param name="channel"></param> /// <param name="message"></param> /// <returns></returns> public long Publish<T>(RedisChannel channel, T message) { var sub = _connMultiplexer.GetSubscriber(); return sub.Publish(channel, Serialize(message)); } #region 发布订阅-async /// <summary> /// 订阅 /// </summary> /// <param name="channel"></param> /// <param name="handle"></param> public async Task SubscribeAsync(RedisChannel channel, Action<RedisChannel, RedisValue> handle) { var sub = _connMultiplexer.GetSubscriber(); await sub.SubscribeAsync(channel, handle); } /// <summary> /// 发布 /// </summary> /// <param name="channel"></param> /// <param name="message"></param> /// <returns></returns> public async Task<long> PublishAsync(RedisChannel channel, RedisValue message) { var sub = _connMultiplexer.GetSubscriber(); return await sub.PublishAsync(channel, message); } /// <summary> /// 发布(使用序列化) /// </summary> /// <typeparam name="T"></typeparam> /// <param name="channel"></param> /// <param name="message"></param> /// <returns></returns> public async Task<long> PublishAsync<T>(RedisChannel channel, T message) { var sub = _connMultiplexer.GetSubscriber(); return await sub.PublishAsync(channel, Serialize(message)); } #endregion 发布订阅-async #endregion 发布订阅 #region private method /// <summary> /// 添加 Key 的前缀 /// </summary> /// <param name="key"></param> /// <returns></returns> private string AddKeyPrefix(string key) { return $"{DefaultKey}:{key}"; } #region 注册事件 /// <summary> /// 添加注册事件 /// </summary> private void AddRegisterEvent() { _connMultiplexer.ConnectionRestored += ConnMultiplexer_ConnectionRestored; _connMultiplexer.ConnectionFailed += ConnMultiplexer_ConnectionFailed; _connMultiplexer.ErrorMessage += ConnMultiplexer_ErrorMessage; _connMultiplexer.ConfigurationChanged += ConnMultiplexer_ConfigurationChanged; _connMultiplexer.HashSlotMoved += ConnMultiplexer_HashSlotMoved; _connMultiplexer.InternalError += ConnMultiplexer_InternalError; _connMultiplexer.ConfigurationChangedBroadcast += ConnMultiplexer_ConfigurationChangedBroadcast; } /// <summary> /// 重新配置广播时(通常意味着主从同步更改) /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private static void ConnMultiplexer_ConfigurationChangedBroadcast(object sender, EndPointEventArgs e) { Console.WriteLine($"{nameof(ConnMultiplexer_ConfigurationChangedBroadcast)}: {e.EndPoint}"); } /// <summary> /// 发生内部错误时(主要用于调试) /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private static void ConnMultiplexer_InternalError(object sender, InternalErrorEventArgs e) { Console.WriteLine($"{nameof(ConnMultiplexer_InternalError)}: {e.Exception}"); } /// <summary> /// 更改集群时 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private static void ConnMultiplexer_HashSlotMoved(object sender, HashSlotMovedEventArgs e) { Console.WriteLine( $"{nameof(ConnMultiplexer_HashSlotMoved)}: {nameof(e.OldEndPoint)}-{e.OldEndPoint} To {nameof(e.NewEndPoint)}-{e.NewEndPoint}, "); } /// <summary> /// 配置更改时 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private static void ConnMultiplexer_ConfigurationChanged(object sender, EndPointEventArgs e) { Console.WriteLine($"{nameof(ConnMultiplexer_ConfigurationChanged)}: {e.EndPoint}"); } /// <summary> /// 发生错误时 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private static void ConnMultiplexer_ErrorMessage(object sender, RedisErrorEventArgs e) { Console.WriteLine($"{nameof(ConnMultiplexer_ErrorMessage)}: {e.Message}"); } /// <summary> /// 物理连接失败时 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private static void ConnMultiplexer_ConnectionFailed(object sender, ConnectionFailedEventArgs e) { Console.WriteLine($"{nameof(ConnMultiplexer_ConnectionFailed)}: {e.Exception}"); } /// <summary> /// 建立物理连接时 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private static void ConnMultiplexer_ConnectionRestored(object sender, ConnectionFailedEventArgs e) { Console.WriteLine($"{nameof(ConnMultiplexer_ConnectionRestored)}: {e.Exception}"); } #endregion 注册事件 /// <summary> /// 序列化 /// </summary> /// <param name="obj"></param> /// <returns></returns> private static byte[] Serialize(object obj) { if (obj == null) return null; var binaryFormatter = new BinaryFormatter(); using (var memoryStream = new MemoryStream()) { binaryFormatter.Serialize(memoryStream, obj); var data = memoryStream.ToArray(); return data; } } /// <summary> /// 反序列化 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="data"></param> /// <returns></returns> private static T Deserialize<T>(byte[] data) { if (data == null) return default(T); var binaryFormatter = new BinaryFormatter(); using (var memoryStream = new MemoryStream(data)) { var result = (T)binaryFormatter.Deserialize(memoryStream); return result; } } #endregion private method } }

    引入nuget ,然后,放进去 RedisHelper,然后,就开始使用。

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