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C# Redis 帮助类
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总结下,后期会陆续更新
using System; using System.Collections.Generic; using System.Linq; using System.Text; using StackExchange.Redis; using System.Threading; using System.Data; using System.Configuration; namespace WebCommon { public class RedisHelper { private static string connectStr = ConfigurationManager.AppSettings["RedisServer"]; private static ConfigurationOptions configurationOptions = ConfigurationOptions.Parse(connectStr); //the lock for singleton private static readonly object Locker = new object(); //singleton private static ConnectionMultiplexer redisConn; /// <summary> /// 连接redis /// </summary> /// <returns></returns> public static ConnectionMultiplexer getRedisConn() { if (redisConn == null) { lock (Locker) { if (redisConn == null || !redisConn.IsConnected) { redisConn = ConnectionMultiplexer.Connect(configurationOptions); } } } return redisConn; } #region Redis 字符串操作 /// <summary> /// 设置一个key的值 /// </summary> /// <param name="strKey"></param> /// <param name="strValue"></param> public void InsertStr(string strKey, string strValue) { redisConn = getRedisConn(); var db = redisConn.GetDatabase(); //set get bool setResult = db.StringSet(strKey, strValue); } /// <summary> /// 设置一个key的值并设定过期时间 /// </summary> /// <param name="strKey">key</param> /// <param name="strValue">values</param> /// <param name="expirytime">过期时间</param> /// <param name="databasenum"></param> public void InsertStr(string strKey, string strValue, DateTime expirytime, int databasenum) { redisConn = getRedisConn(); var db = redisConn.GetDatabase(databasenum); bool setResult = db.StringSet(strKey, strValue); db.KeyExpire(strKey, expirytime.ToUniversalTime()); } /// <summary> /// 读取一个key值 /// </summary> /// <param name="strKey"></param> /// <returns></returns> public string ReadStr(string strKey) { redisConn = getRedisConn(); var db = redisConn.GetDatabase(); return db.StringGet(strKey); } /// <summary> /// 删除一个key值 /// </summary> /// <param name="strKey"></param> public void DeleteStr(string strKey) { redisConn = getRedisConn(); var db = redisConn.GetDatabase(); //set get bool setResult = db.KeyDelete(strKey); } /// <summary> /// 删除一个key值 /// </summary> /// <param name="strKey"></param> /// <param name="databasenum"></param> /// <returns></returns> public bool DeleteStr(string strKey, int databasenum) { redisConn = getRedisConn(); var db = redisConn.GetDatabase(databasenum); return db.KeyDelete(strKey); } /// <summary> /// 判断key是否存在 /// </summary> /// <param name="strKey"></param> /// <returns></returns> public bool Exist(string strKey) { redisConn = getRedisConn(); var db = redisConn.GetDatabase(); return db.KeyExists(strKey); } #endregion #region Redis哈希操作 /// <summary> /// 添加一个key值 /// </summary> /// <param name="tablename"></param> /// <param name="strKey"></param> /// <param name="strValue"></param> public void InsertHash(string tablename, string strKey, string strValue) { redisConn = getRedisConn(); var db = redisConn.GetDatabase(); //set get bool setResult = db.HashSet(tablename, strKey, strValue); } /// <summary> /// 读取一个key值 /// </summary> /// <param name="tablename"></param> /// <param name="strKey"></param> /// <returns></returns> public string ReadHash(string tablename, string strKey) { redisConn = getRedisConn(); var db = redisConn.GetDatabase(); return db.HashGet(tablename, strKey); } /// <summary> /// 判断一个key值是否存在 /// </summary> /// <param name="tablename"></param> /// <param name="strKey"></param> /// <returns></returns> public bool ExistHash(string tablename, string strKey) { redisConn = getRedisConn(); var db = redisConn.GetDatabase(); return db.HashExists(tablename, strKey); } /// <summary> /// /// </summary> /// <param name="tablename"></param> /// <param name="strKey"></param> public void DeleteHash(string tablename, string strKey) { redisConn = getRedisConn(); var db = redisConn.GetDatabase(); //set get bool setResult = db.HashDelete(tablename,strKey); } #endregion } }
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