C# Redis帮助类

需要在NuGet里面引用ServiceStack.Redis

NuGet 地址：https://www.nuget.org/packages/StackExchange.Redis/

 

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
{
    /// <summary>
    /// 
    /// </summary>
    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;
        //singleton
        public static ConnectionMultiplexer getRedisConn()
        {
            if (redisConn == null)
            {
                lock (Locker)
                {
                    if (redisConn == null || !redisConn.IsConnected)
                    {
                        redisConn = ConnectionMultiplexer.Connect(configurationOptions);
                    }
                }
            }
            return redisConn;
        }

        #region String类型操作

        /// <summary>
        ///  设置指定key 的值(默认第0个库)
        /// </summary>
        /// <param name="strKey">指定key的值</param>
        /// <param name="strValue"></param>
        /// <returns></returns>
        public static bool InsertStr(string strKey, string strValue)
        {
            redisConn = getRedisConn();
            var db = redisConn.GetDatabase();
            return db.StringSet(strKey, strValue);
        }

        /// <summary>
        ///  设置指定key 的值(指定库)
        /// </summary>
        /// <param name="strKey"></param>
        /// <param name="strValue"></param>
        /// <param name="database"></param>
        /// <returns></returns>
        public static bool InsertStr(string strKey, string strValue, int database)
        {
            redisConn = getRedisConn();
            var db = redisConn.GetDatabase(database);
            //set get
            return db.StringSet(strKey, strValue);
        }

        /// <summary>
        ///  设置指定key 的值(指定第一个库,指定过期时间)
        /// </summary>
        /// <param name="strKey">指定key的值</param>
        /// <param name="strValue"></param>
        /// <param name="expire"></param>
        public void InsertStrExpire(string strKey, string strValue, DateTime expire)
        {
            redisConn = getRedisConn();
            var db = redisConn.GetDatabase(1);
            db.StringSet(strKey, strValue);
            db.KeyExpire(strKey, expire);
        }
        /// <summary>
        ///   设置指定key 的值(指定第一个库,指定过期分钟数)
        /// </summary>
        /// <param name="strKey">指定key的值</param>
        /// <param name="strValue"></param>
        /// <param name="timespanmin"></param>
        public void InsertStrExpire(string strKey, string strValue, int timespanmin)
        {
            redisConn = getRedisConn();
            var db = redisConn.GetDatabase(1);
            db.StringSet(strKey, strValue, TimeSpan.FromMinutes(timespanmin));

        }
        /// <summary>
        ///   设置指定key 的值(指定第一个库,指定过期分钟数)
        /// </summary>
        /// <param name="strKey">指定key的值</param>
        /// <param name="strValue"></param>
        /// <param name="timespanmin"></param>
        public void InsertStrExpireByDatabaseOne(string strKey, string strValue, int timespanmin)
        {
            redisConn = getRedisConn();
            var db = redisConn.GetDatabase(1);
            db.StringSet(strKey, strValue, TimeSpan.FromMinutes(timespanmin));

        }


        /// <summary>
        ///   获取指定 key 的值(默认第0个库)
        /// </summary>
        /// <param name="strKey">指定key的值</param>
        /// <returns></returns>
        public string ReadStr(string strKey)
        {
            redisConn = getRedisConn();
            var db = redisConn.GetDatabase();
            return db.StringGet(strKey);
        }
        /// <summary>
        /// 获取指定 key 的值(指定第一个库)
        /// </summary>
        /// <param name="strKey">指定key的值</param>
        /// <returns></returns>
        public string ReadStrByDatabaseOne(string strKey)
        {
            redisConn = getRedisConn();
            var db = redisConn.GetDatabase(1);
            return db.StringGet(strKey);
        }

        /// <summary>
        /// 获取指定 key 的值(指定第一个库)
        /// </summary>
        /// <param name="strKey">指定key的值</param>
        /// <param name="database"></param>
        /// <returns></returns>
        public string ReadStrByDatabase(string strKey, int database)
        {
            redisConn = getRedisConn();
            var db = redisConn.GetDatabase(database);
            return db.StringGet(strKey);
        }
        /// <summary>
        /// 删除指定key的值(默认第0个库)
        /// </summary>
        /// <param name="strKey">指定key的值</param>
        public static bool DeleteStr(string strKey)
        {
            redisConn = getRedisConn();
            var db = redisConn.GetDatabase();
            return db.KeyDelete(strKey);
        }

        /// <summary>
        /// 删除指定key的值(默认第0个库)
        /// </summary>
        /// <param name="strKey">指定key的值</param>
        /// <param name="database">指定库的值</param>
        public static bool DeleteStrByDatabase(string strKey, int database)
        {
            redisConn = getRedisConn();
            var db = redisConn.GetDatabase(database);
            return db.KeyDelete(strKey);
        }



        public bool Exist(string strKey)
        {
            redisConn = getRedisConn();
            var db = redisConn.GetDatabase();
            return db.KeyExists(strKey);
        }

        #endregion

        #region Hash类型操作

        public static void InsertHash(string tablename, string strKey, string strValue)
        {
            redisConn = getRedisConn();
            var db = redisConn.GetDatabase();
            bool setResult = db.HashSet(tablename, strKey, strValue);
        }

        public static string ReadHash(string tablename, string strKey)
        {
            redisConn = getRedisConn();
            var db = redisConn.GetDatabase();
            return db.HashGet(tablename, strKey);
        }

        public static bool ExistHash(string tablename, string strKey)
        {
            redisConn = getRedisConn();
            var db = redisConn.GetDatabase();
            return db.HashExists(tablename, strKey);
        }

        public static void DeleteHash(string tablename, string strKey)
        {
            redisConn = getRedisConn();
            var db = redisConn.GetDatabase();
            //set get
            bool setResult = db.HashDelete(tablename, strKey);
        }

        #endregion

    }
}

 

后期继续完善下