Redis幫助類，引用StackExchange.Redis
阿新 • • 發佈：2018-12-21
using StackExchange.Redis; using System; using System.Collections.Concurrent; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace RedisCommon { public static class RedisConnectionHelp { /// <summary> /// 系統自定義Key字首 /// </summary> public static readonly string SysCustomKey = System.Configuration.ConfigurationManager.AppSettings["RedisKey"] ?? ""; /// <summary> /// 連線字串 /// </summary> private static readonly string RedisConnectionString = System.Configuration.ConfigurationManager.AppSettings["RedisHosts"];//?? "127.0.0.1:6379"; private static readonly object Locker = new object(); private static ConnectionMultiplexer _instance; /// <summary> /// 執行緒安全的字典 /// </summary> private static readonly ConcurrentDictionary<string, ConnectionMultiplexer> ConnectionCache = new ConcurrentDictionary<string, ConnectionMultiplexer>(); /// <summary> /// 單例獲取 /// </summary> public static ConnectionMultiplexer Instance { get { if (_instance == null) { lock (Locker) { if (_instance == null || !_instance.IsConnected) { _instance = GetManager(); } } } return _instance; } } /// <summary> /// 快取獲取 /// </summary> /// <param name="connectionString"></param> /// <returns></returns> public static ConnectionMultiplexer GetConnectionMultiplexer(string connectionString) { if (!ConnectionCache.ContainsKey(connectionString)) { ConnectionCache[connectionString] = GetManager(connectionString); } return ConnectionCache[connectionString]; } /// <summary> /// 獲取連線 /// </summary> /// <param name="connectionString"></param> /// <returns></returns> private static ConnectionMultiplexer GetManager(string connectionString = null) { connectionString = connectionString ?? RedisConnectionString; if (string.IsNullOrWhiteSpace(connectionString)) { StringBuilder sb = new StringBuilder(); sb.AppendLine("配置檔案沒有配置連線字串，請參考："); sb.AppendLine("<appSettings>"); sb.AppendLine(" <add key=\"RedisHosts\" value=\"192.168.31.42:6380, password = pisenmaster, allowAdmin = true, defaultDatabase = 1\"/>"); sb.AppendLine("</appSettings>"); Console.WriteLine(sb.ToString()); System.Diagnostics.Debug.WriteLine(sb.ToString()); throw new Exception("沒有配置redis連線字串"); } ConnectionMultiplexer connect = null; try { connect = ConnectionMultiplexer.Connect(connectionString); } catch (Exception) { const string msg = "無法連線redis伺服器，請檢查連線字串，或redis主機"; Console.WriteLine(msg); System.Diagnostics.Debug.WriteLine(msg); throw new Exception(msg); } //註冊如下事件 connect.ConnectionFailed += MuxerConnectionFailed; connect.ConnectionRestored += MuxerConnectionRestored; connect.ErrorMessage += MuxerErrorMessage; connect.ConfigurationChanged += MuxerConfigurationChanged; connect.HashSlotMoved += MuxerHashSlotMoved; connect.InternalError += MuxerInternalError; connect.ConfigurationChangedBroadcast += MuxerConfigurationChangedBroadcast; return connect; } #region 事件 /// <summary> /// 重新配置廣播時（通常意味著主從同步更改） /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private static void MuxerConfigurationChangedBroadcast(object sender, EndPointEventArgs e) { Console.WriteLine($"{nameof(MuxerConfigurationChangedBroadcast)}: {e.EndPoint}"); } /// <summary> /// 配置更改時 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private static void MuxerConfigurationChanged(object sender, EndPointEventArgs e) { Console.WriteLine("Configuration changed: " + e.EndPoint); } /// <summary> /// 發生內部錯誤時（主要用於除錯） /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private static void MuxerErrorMessage(object sender, RedisErrorEventArgs e) { Console.WriteLine("ErrorMessage: " + e.Message); } /// <summary> /// 重新建立連線之前的錯誤 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private static void MuxerConnectionRestored(object sender, ConnectionFailedEventArgs e) { Console.WriteLine("ConnectionRestored: " + e.EndPoint); } /// <summary> /// 連線失敗 ， 如果重新連線成功你將不會收到這個通知 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private static void MuxerConnectionFailed(object sender, ConnectionFailedEventArgs e) { Console.WriteLine("重新連線：Endpoint failed: " + e.EndPoint + ", " + e.FailureType + (e.Exception == null ? "" : (", " + e.Exception.Message))); } /// <summary> /// 更改叢集時 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private static void MuxerHashSlotMoved(object sender, HashSlotMovedEventArgs e) { Console.WriteLine("HashSlotMoved:NewEndPoint" + e.NewEndPoint + ", OldEndPoint" + e.OldEndPoint); } /// <summary> /// redis類庫錯誤 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private static void MuxerInternalError(object sender, InternalErrorEventArgs e) { Console.WriteLine("InternalError:Message" + e.Exception.Message); } #endregion } }
using Newtonsoft.Json; using StackExchange.Redis; using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace RedisCommon { /// <summary> /// Redis操作 /// </summary> public class RedisStackExchangeHelper { private readonly ConnectionMultiplexer _conn; public string CustomKey; //private int DbNum { get; } #region 建構函式 //public RedisStackExchangeHelper(int dbNum = 0) // : this(dbNum, null) //{ //} //public RedisStackExchangeHelper(int dbNum, string readWriteHosts) //{ // //DbNum = DbNum; // _conn = // string.IsNullOrWhiteSpace(readWriteHosts) ? // RedisConnectionHelp.Instance : // RedisConnectionHelp.GetConnectionMultiplexer(readWriteHosts); //} public RedisStackExchangeHelper(string readWriteHosts="") { _conn = string.IsNullOrWhiteSpace(readWriteHosts) ? RedisConnectionHelp.Instance : RedisConnectionHelp.GetConnectionMultiplexer(readWriteHosts); } #endregion 建構函式 #region String #region 同步方法 /// <summary> /// 儲存單個key value /// </summary> /// <param name="key">Redis Key</param> /// <param name="value">儲存的值</param> /// <param name="expiry">過期時間</param> /// <returns></returns> public bool StringSet(string key, string value, TimeSpan? expiry = default(TimeSpan?)) { key = AddSysCustomKey(key); return Do(db => db.StringSet(key, value, expiry)); } /// <summary> /// 儲存多個key value /// </summary> /// <param name="keyValues">鍵值對</param> /// <returns></returns> public bool StringSet(List<KeyValuePair<RedisKey, RedisValue>> keyValues) { List<KeyValuePair<RedisKey, RedisValue>> newkeyValues = keyValues.Select(p => new KeyValuePair<RedisKey, RedisValue>(AddSysCustomKey(p.Key), p.Value)).ToList(); return Do(db => db.StringSet(newkeyValues.ToArray())); } /// <summary> /// 儲存一個物件 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="key"></param> /// <param name="obj"></param> /// <param name="expiry"></param> /// <returns></returns> public bool StringSet<T>(string key, T obj, TimeSpan? expiry = default(TimeSpan?)) { key = AddSysCustomKey(key); string json = ConvertJson(obj); return Do(db => db.StringSet(key, json, expiry)); } /// <summary> /// 獲取單個key的值 /// </summary> /// <param name="key">Redis Key</param> /// <returns></returns> public string StringGet(string key) { key = AddSysCustomKey(key); return Do(db => db.StringGet(key)); } /// <summary> /// 獲取多個Key /// </summary> /// <param name="listKey">Redis Key集合</param> /// <returns></returns> public RedisValue[] StringGet(List<string> listKey) { List<string> newKeys = listKey.Select(AddSysCustomKey).ToList(); return Do(db => db.StringGet(ConvertRedisKeys(newKeys))); } /// <summary> /// 獲取一個key的物件 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="key"></param> /// <returns></returns> public T StringGet<T>(string key) { key = AddSysCustomKey(key); return Do(db => ConvertObj<T>(db.StringGet(key))); } /// <summary> /// 為數字增長val /// </summary> /// <param name="key"></param> /// <param name="val">可以為負</param> /// <returns>增長後的值</returns> public long StringIncrement(string key, long val = 1) { key = AddSysCustomKey(key); return Do(db => db.StringIncrement(key, val)); } /// <summary> /// 為數字減少val /// </summary> /// <param name="key"></param> /// <param name="val">可以為負</param> /// <returns>減少後的值</returns> public long StringDecrement(string key, long val = 1) { key = AddSysCustomKey(key); return Do(db => db.StringDecrement(key, val)); } #endregion 同步方法 #region 非同步方法 /// <summary> /// 儲存單個key value /// </summary> /// <param name="key">Redis Key</param> /// <param name="value">儲存的值</param> /// <param name="expiry">過期時間</param> /// <returns></returns> public async Task<bool> StringSetAsync(string key, string value, TimeSpan? expiry = default(TimeSpan?)) { key = AddSysCustomKey(key); return await Do(db => db.StringSetAsync(key, value, expiry)); } /// <summary> /// 儲存多個key value /// </summary> /// <param name="keyValues">鍵值對</param> /// <returns></returns> public async Task<bool> StringSetAsync(List<KeyValuePair<RedisKey, RedisValue>> keyValues) { List<KeyValuePair<RedisKey, RedisValue>> newkeyValues = keyValues.Select(p => new KeyValuePair<RedisKey, RedisValue>(AddSysCustomKey(p.Key), p.Value)).ToList(); return await Do(db => db.StringSetAsync(newkeyValues.ToArray())); } /// <summary> /// 儲存一個物件 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="key"></param> /// <param name="obj"></param> /// <param name="expiry"></param> /// <returns></returns> public async Task<bool> StringSetAsync<T>(string key, T obj, TimeSpan? expiry = default(TimeSpan?)) { key = AddSysCustomKey(key); string json = ConvertJson(obj); return await Do(db => db.StringSetAsync(key, json, expiry)); } /// <summary> /// 獲取單個key的值 /// </summary> /// <param name="key">Redis Key</param> /// <returns></returns> public async Task<string> StringGetAsync(string key) { key = AddSysCustomKey(key); return await Do(db => db.StringGetAsync(key)); } /// <summary> /// 獲取多個Key /// </summary> /// <param name="listKey">Redis Key集合</param> /// <returns></returns> public async Task<RedisValue[]> StringGetAsync(List<string> listKey) { List<string> newKeys = listKey.Select(AddSysCustomKey).ToList(); return await Do(db => db.StringGetAsync(ConvertRedisKeys(newKeys))); } /// <summary> /// 獲取一個key的物件 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="key"></param> /// <returns></returns> public async Task<T> StringGetAsync<T>(string key) { key = AddSysCustomKey(key); string result = await Do(db => db.StringGetAsync(key)); return ConvertObj<T>(result); } /// <summary> /// 為數字增長val /// </summary> /// <param name="key"></param> /// <param name="val">可以為負</param> /// <returns>增長後的值</returns> public async Task<double> StringIncrementAsync(string key, double val = 1) { key = AddSysCustomKey(key); return await Do(db => db.StringIncrementAsync(key, val)); } /// <summary> /// 為數字減少val /// </summary> /// <param name="key"></param> /// <param name="val">可以為負</param> /// <returns>減少後的值</returns> public async Task<double> StringDecrementAsync(string key, double val = 1) { key = AddSysCustomKey(key); return await Do(db => db.StringDecrementAsync(key, val)); } #endregion 非同步方法 #endregion String #region Hash #region 同步方法 /// <summary> /// 判斷某個資料是否已經被快取 /// </summary> /// <param name="key"></param> /// <param name="dataKey"></param> /// <returns></returns> public bool HashExists(string key, string dataKey) { key = AddSysCustomKey(key); return Do(db => db.HashExists(key, dataKey)); } /// <summary> /// 儲存資料到hash表 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="key"></param> /// <param name="dataKey"></param> /// <param name="t"></param> /// <returns></returns> public bool HashSet<T>(string key, string dataKey, T t) { key = AddSysCustomKey(key); return Do(db => { string json = ConvertJson(t); return db.HashSet(key, dataKey, json); }); } /// <summary> /// 移除hash中的某值 /// </summary> /// <param name="key"></param> /// <param name="dataKey"></param> /// <returns></returns> public bool HashDelete(string key, string dataKey) { key = AddSysCustomKey(key); return Do(db => db.HashDelete(key, dataKey)); } /// <summary> /// 移除hash中的多個值 /// </summary> /// <param name="key"></param> /// <param name="dataKeys"></param> /// <returns></returns> public long HashDelete(string key, List<RedisValue> dataKeys) { key = AddSysCustomKey(key); //List<RedisValue> dataKeys1 = new List<RedisValue>() {"1","2"}; return Do(db => db.HashDelete(key, dataKeys.ToArray())); } /// <summary> /// 從hash表獲取資料 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="key"></param> /// <param name="dataKey"></param> /// <returns></returns> public T HashGet<T>(string key, string dataKey) { key = AddSysCustomKey(key); return Do(db => { string value = db.HashGet(key, dataKey); return ConvertObj<T>(value); }); } /// <summary> /// 為數字增長val /// </summary> /// <param name="key"></param> /// <param name="dataKey"></param> /// <param name="val">可以為負</param> /// <returns>增長後的值</returns> public double HashIncrement(string key, string dataKey, double val = 1) { key = AddSysCustomKey(key); return Do(db => db.HashIncrement(key, dataKey, val)); } /// <summary> /// 為數字減少val /// </summary> /// <param name="key"></param> /// <param name="dataKey"></param> /// <param name="val">可以為負</param> /// <returns>減少後的值</returns> public double HashDecrement(string key, string dataKey, double val = 1) { key = AddSysCustomKey(key); return Do(db => db.HashDecrement(key, dataKey, val)); } /// <summary> /// 獲取hashkey所有Redis key /// </summary> /// <typeparam name="T"></typeparam> /// <param name="key"></param> /// <returns></returns> public List<T> HashKeys<T>(string key) { key = AddSysCustomKey(key); return Do(db => { RedisValue[] values = db.HashKeys(key); return ConvetList<T>(values); }); } #endregion 同步方法 #region 非同步方法 /// <summary> /// 判斷某個資料是否已經被快取 /// </summary> /// <param name="key"></param> /// <param name="dataKey"></param> /// <returns></returns> public async Task<bool> HashExistsAsync(string key, string dataKey) { key = AddSysCustomKey(key); return await Do(db => db.HashExistsAsync(key, dataKey)); } /// <summary> /// 儲存資料到hash表 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="key"></param> /// <param name="dataKey"></param> /// <param name="t"></param> /// <returns></returns> public async Task<bool> HashSetAsync<T>(string key, string dataKey, T t) { key = AddSysCustomKey(key); return await Do(db => { string json = ConvertJson(t); return db.HashSetAsync(key, dataKey, json); }); } /// <summary> /// 移除hash中的某值 /// </summary> /// <param name="key"></param> /// <param name="dataKey"></param> /// <returns></returns> public async Task<bool> HashDeleteAsync(string key, string dataKey) { key = AddSysCustomKey(key); return await Do(db => db.HashDeleteAsync(key, dataKey)); } /// <summary> /// 移除hash中的多個值 /// </summary> /// <param name="key"></param> /// <param name="dataKeys"></param> /// <returns></returns> public async Task<long> HashDeleteAsync(string key, List<RedisValue> dataKeys) { key = AddSysCustomKey(key); //List<RedisValue> dataKeys1 = new List<RedisValue>() {"1","2"}; return await Do(db => db.HashDeleteAsync(key, dataKeys.ToArray())); } /// <summary> /// 從hash表獲取資料 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="key"></param> /// <param name="dataKey"></param> /// <returns></returns> public async Task<T> HashGeAsync<T>(string key, string dataKey) { key = AddSysCustomKey(key); string value = await Do(db => db.HashGetAsync(key, dataKey)); return ConvertObj<T>(value); } /// <summary> /// 為數字增長val /// </summary> /// <param name="key"></param> /// <param name="dataKey"></param> /// <param name="val">可以為負</param> /// <returns>增長後的值</returns> public async Task<double> HashIncrementAsync(string key, string dataKey, double val = 1) { key = AddSysCustomKey(key); return await Do(db => db.HashIncrementAsync(key, dataKey, val)); } /// <summary> /// 為數字減少val /// </summary> /// <param name="key"></param> /// <param name="dataKey"></param> /// <param name="val">可以為負</param> /// <returns>減少後的值</returns> public async Task<double> HashDecrementAsync(string key, string dataKey, double val = 1) { key = AddSysCustomKey(key); return await Do(db => db.HashDecrementAsync(key, dataKey, val)); } /// <summary> /// 獲取hashkey所有Redis key /// </summary> /// <typeparam name="T"></typeparam> /// <param name="key"></param> /// <returns></returns> public async Task<List<T>> HashKeysAsync<T>(string key) { key = AddSysCustomKey(key); RedisValue[] values = await Do(db => db.HashKeysAsync(key)); return ConvetList<T>(values); } #endregion 非同步方法 #endregion Hash #region List #region 同步方法 /// <summary> /// 移除指定ListId的內部List的值 /// </summary> /// <param name="key"></param> /// <param name="value"></param> public void ListRemove<T>(string key, T value) { key = AddSysCustomKey(key); Do(db => db.ListRemove(key, ConvertJson(value))); } /// <summary> /// 獲取指定key的List /// </summary> /// <param name="key"></param> /// <returns></returns> public List<T> ListRange<T>(string key) { key = AddSysCustomKey(key); return Do(redis => { var values = redis.ListRange(key); return ConvetList<T>(values); }); } /// <summary> /// 入隊 /// </summary> /// <param name="key"></param> /// <param name="value"></param> public void ListRightPush<T>(string key, T value) { key = AddSysCustomKey(key); Do(db => db.ListRightPush(key, ConvertJson(value))); } /// <summary> /// 出隊 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="key"></param> /// <returns></returns> public T ListRightPop<T>(string key) { key = AddSysCustomKey(key); return Do(db => { var value = db.ListRightPop(key); return ConvertObj<T>(value); }); } /// <summary> /// 入棧 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="key"></param> /// <param name="value"></param> public void ListLeftPush<T>(string key, T value) { key = AddSysCustomKey(key); Do(db => db.ListLeftPush(key, ConvertJson(value))); } /// <summary> /// 出棧 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="key"></param> /// <returns></returns> public T ListLeftPop<T>(string key) { key = AddSysCustomKey(key); return Do(db => { var value = db.ListLeftPop(key); return ConvertObj<T>(value); }); } /// <summary> /// 獲取集合中的數量 /// </summary> /// <param name="key"></param> /// <returns></returns> public long ListLength(string key) { key = AddSysCustomKey(key); return Do(redis => redis.ListLength(key)); } #endregion 同步方法 #region 非同步方法 /// <summary> /// 移除指定ListId的內部List的值 /// </summary> /// <param name="key"></param> /// <param name="value"></param> public async Task<long> ListRemoveAsync<T>(string key, T value) { key = AddSysCustomKey(key); return await Do(db => db.ListRemoveAsync(key, ConvertJson(value))); } /// <summary> /// 獲取指定key的List /// </summary> /// <param name="key"></param> /// <returns></returns> public async Task<List<T>> ListRangeAsync<T>(string key) { key = AddSysCustomKey(key); var values = await Do(redis => redis.ListRangeAsync(key)); return ConvetList<T>(values); } /// <summary> /// 入隊 /// </summary> /// <param name="key"></param> /// <param name="value"></param> public async Task<long> ListRightPushAsync<T>(string key, T value) { key = AddSysCustomKey(key); return await Do(db => db.ListRightPushAsync(key, ConvertJson(value))); } /// <summary> /// 出隊 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="key"></param> /// <returns></returns> public async Task<T> ListRightPopAsync<T>(string key) { key = AddSysCustomKey(key); var value = await Do(db => db.ListRightPopAsync(key)); return ConvertObj<T>(value); } /// <summary> /// 入棧 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="key"></param> /// <param name="value"></param> public async Task<long> ListLeftPushAsync<T>(string key, T value) { key = AddSysCustomKey(key); return await Do(db => db.ListLeftPushAsync(key, ConvertJson(value))); } /// <summary> /// 出棧 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="key"></param> /// <returns></returns> public async Task<T> ListLeftPopAsync<T>(string key) { key = AddSysCustomKey(key); var value = await Do(db => db.ListLeftPopAsync(key)); return ConvertObj<T>(value); } /// <summary> /// 獲取集合中的數量 /// </summary> /// <param name="key"></param> /// <returns></returns> public async Task<long> ListLengthAsync(string key) { key = AddSysCustomKey(key); return await Do(redis => redis.ListLengthAsync(key)); } #endregion 非同步方法 #endregion List #region SortedSet 有序集合 #region 同步方法 /// <summary> /// 新增 /// </summary> /// <param name="key"></param> /// <param name="value"></param> /// <param name="score"></param> public bool SortedSetAdd<T>(string key, T value, double score) { key = AddSysCustomKey(key); return Do(redis => redis.SortedSetAdd(key, ConvertJson<T>(value), score)); } /// <summary> /// 刪除 /// </summary> /// <param name="key"></param> /// <param name="value"></param> public bool SortedSetRemove<T>(string key, T value) { key = AddSysCustomKey(key); return Do(redis => redis.SortedSetRemove(key, ConvertJson(value))); } /// <summary> /// 獲取全部 /// </summary> /// <param name="key"></param> /// <returns></returns> public List<T> SortedSetRangeByRank<T>(string key) { key = AddSysCustomKey(key); return Do(redis => { var values = redis.SortedSetRangeByRank(key); return ConvetList<T>(values); }); } /// <summary> /// 獲取集合中的數量 /// </summary> /// <param name="key"></param> /// <returns></returns> public long SortedSetLength(string key) { key = AddSysCustomKey(key); return Do(redis => redis.SortedSetLength(key)); } #endregion 同步方法 #region 非同步方法 /// <summary> /// 新增 /// </summary> /// <param name="key"></param> /// <param name="value"></param> /// <param name="score"></param> public async Task<bool> SortedSetAddAsync<T>(string key, T value, double score) { key = AddSysCustomKey(key); return await Do(redis => redis.SortedSetAddAsync(key, ConvertJson<T>(value), score)); } /// <summary> /// 刪除 /// </summary> /// <param name="key"></param> /// <param name="value"></param> public async Task<bool> SortedSetRemoveAsync<T>(string key, T value) { key = AddSysCustomKey(key); return await Do(redis => redis.SortedSetRemoveAsync(key, ConvertJson(value))); } /// <summary> /// 獲取全部 /// </summary> /// <param name="key"></param> /// <returns></returns> public async Task<List<T>> SortedSetRangeByRankAsync<T>(string key) { key = AddSysCustomKey(key); var values = await Do(redis => redis.SortedSetRangeByRankAsync(key)); return ConvetList<T>(values); } /// <summary> /// 獲取集合中的數量 /// </summary> /// <param name="key"></param> /// <returns></returns> public async Task<long> SortedSetLengthAsync(string key) { key = AddSysCustomKey(key); return await Do(redis => redis.SortedSetLengthAsync(key)); } #endregion 非同步方法 #endregion SortedSet 有序集合 #region key #region 同步 /// <summary> /// 刪除單個key /// </summary> /// <param name="key">redis key</param> /// <returns>是否刪除成功</returns> public bool KeyDelete(string key) { key = AddSysCustomKey(key); return Do(db => db.KeyDelete(key)); } /// <summary> /// 刪除多個key /// </summary> /// <param name="keys">rediskey</param> /// <returns>成功刪除的個數</returns> public long KeyDelete(List<string> keys) { List<string> newKeys = keys.Select(AddSysCustomKey).ToList(); return Do(db => db.KeyDelete(ConvertRedisKeys(newKeys))); } /// <summary> /// 判斷key是否儲存 /// </summary> /// <param name="key">redis key</param> /// <returns></returns> public bool KeyExists(string key) { key = AddSysCustomKey(key); return Do(db => db.KeyExists(key)); } /// <summary> /// 重新命名key /// </summary> /// <param name="key">就的redis key</param> /// <param name="newKey">新的redis key</param> /// <returns></returns> public bool KeyRename(string key, string newKey) { key = AddSysCustomKey(key); return Do(db => db.KeyRename(key, newKey)); } /// <summary> /// 設定Key的時間 /// </summary> /// <param name="key">redis key</param> /// <param name="expiry"></param> /// <returns></returns> public bool KeyExpire(string key, TimeSpan? expiry = default(TimeSpan?)) { key = AddSysCustomKey(key); return Do(db => db.KeyExpire(key, expiry)); } #endregion #region 非同步 /// <summary> /// 刪除單個key /// </summary> /// <param name="key">redis key</param> /// <returns>是否刪除成功</returns> public async Task<bool> KeyDeleteAsync(string key) { key = AddSysCustomKey(key); return await Do(db => db.KeyDeleteAsync(key)); } /// <summary> /// 刪除多個key /// </summary> /// <param name="keys">rediskey</param> /// <returns>成功刪除的個數</returns> public async Task<long> KeyDeleteAsync(List<string> keys) { List<string> newKeys = keys.Select(AddSysCustomKey).ToList(); return await Do(db => db.KeyDeleteAsync(ConvertRedisKeys(newKeys))); } /// <summary> /// 判斷key是否儲存 /// </summary> /// <param name="key">redis key</param> /// <returns></returns> public async Task<bool> KeyExistsAsync(string key) { key = AddSysCustomKey(key); return await Do(db => db.KeyExistsAsync(key)); } /// <summary> /// 重新命名key /// </summary> /// <param name="key">就的redis key</param> /// <param name="newKey">新的redis key</param> /// <returns></returns> public async Task<bool> KeyRenameAsync(string key, string newKey) { key = AddSysCustomKey(key); return await Do(db => db.KeyRenameAsync(key, newKey)); } /// <summary> /// 設定Key的時間 /// </summary> /// <param name="key">redis key</param> /// <param name="expiry"></param> /// <returns></returns> public async Task<bool> KeyExpireAsync(string key, TimeSpan? expiry = default(TimeSpan?)) { key = AddSysCustomKey(key); return await Do(db => db.KeyExpireAsync(key, expiry)); } #endregion #endregion key #region 釋出訂閱 #region 同步 /// <summary> /// 訂閱 /// </summary> /// <param name="subChannel"></param> /// <param name="handler"></param> public void Subscribe(string subChannel, Action<RedisChannel, RedisValue> handler = null) { ISubscriber sub = _conn.GetSubscriber(); sub.Subscribe(subChannel, (channel, message) => { if (handler == null) { Console.WriteLine(subChannel + " 訂閱收到訊息：" + message); } else { handler(channel, message); } }); } /// <summary> /// 釋出 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="channel"></param> /// <param name="msg"></param> /// <returns></returns> public long Publish<T>(string channel, T msg) { ISubscriber sub = _conn.GetSubscriber(); return sub.Publish(channel, ConvertJson(msg)); } /// <summary> /// 取消訂閱 /// </summary> /// <param name="channel"></param> public void Unsubscribe(string channel) { ISubscriber sub = _conn.GetSubscriber(); sub.Unsubscribe(channel); } /// <summary> /// 取消全部訂閱 /// </summary> public void UnsubscribeAll() { ISubscriber sub = _conn.GetSubscriber(); sub.UnsubscribeAll(); } #endregion 釋出訂閱 #region 非同步 /// <summary> /// 訂閱 /// </summary> /// <param name="subChannel"></param> /// <param name="handler"></param> public async Task SubscribeAsync(string subChannel, Action<RedisChannel, RedisValue> handler = null) { ISubscriber sub = _conn.GetSubscriber(); await sub.SubscribeAsync(subChannel, (channel, message) => { if (handler == null) { Console.WriteLine(subChannel + " 訂閱收到訊息：" + message); } else { handler(channel, message); } }); } /// <summary> /// 釋出 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="channel"></param> /// <param name="msg"></param> /// <returns></returns> public async Task<long> PublishAsync<T>(string channel, T msg) { //_conn.PreserveAsyncOrder == RedisClientConfigurations.PreserveAsyncOrder; ISubscriber sub = _conn.GetSubscriber(); return await sub.PublishAsync(channel, ConvertJson(msg)); } /// <summary> /// 取消訂閱 /// </summary> /// <param name="channel"></param> public async Task UnsubscribeAsync(string channel) { ISubscriber sub = _conn.GetSubscriber(); await sub.UnsubscribeAsync(channel); } /// <summary> /// 取消全部訂閱 /// </summary> public async Task UnsubscribeAllAsync() { ISubscriber sub = _conn.GetSubscriber(); await sub.UnsubscribeAllAsync(); } #endregion 釋出訂閱 #endregion #region 其他 public ITransaction CreateTransaction() { return GetDatabase().CreateTransaction(); } public IDatabase GetDatabase() { //return _conn.GetDatabase(DbNum); return _conn.GetDatabase(); } public IServer GetServer(string hostAndPort) { return _conn.GetServer(hostAndPort); } /// <summary> /// 設定字首 /// </summary> /// <param name="customKey"></param> public void SetSysCustomKey(string customKey) { CustomKey = customKey; } #endregion 其他 #region 輔助方法 private string AddSysCustomKey(string oldKey) { var prefixKey = CustomKey ?? RedisConnectionHelp.SysCustomKey; return prefixKey + oldKey; } private T Do<T>(Func<IDatabase, T> func) { //var database = _conn.GetDatabase(DbNum); var database = _conn.GetDatabase(); return func(database); } private string ConvertJson<T>(T value) { string result = value is string ? value.ToString() : JsonConvert.SerializeObject(value); return result; } private T ConvertObj<T>(RedisValue value) { if (value.IsNullOrEmpty) return default(T); return JsonConvert.DeserializeObject<T>(value); } private List<T> ConvetList<T>(RedisValue[] values) { List<T> result = new List<T>(); foreach (var item in values) { var model = ConvertObj<T>(item); result.Add(model); } return result; } private RedisKey[] ConvertRedisKeys(List<string> redisKeys) { return redisKeys.Select(redisKey => (RedisKey)redisKey).ToArray(); } /// <summary> /// 轉化為timespan /// </summary> /// <param name="expTime">過期時間，秒</param> /// <returns></returns> public TimeSpan ToTimeSpan(double expTime) { return DateTime.Now.AddSeconds(expTime) - DateTime.Now; } #endregion 輔助方法 } }