Redis 用 IConnectionMultiplexer 连接 订阅消息

创建订阅类：

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using StackExchange.Redis;   namespace TestWebApplication.BackgroundTasks {     /// <summary>     /// Redis 订阅者,长时间运行的后台服务     /// </summary>     public class RedisSubscriber : BackgroundService     {         private readonly IConnectionMultiplexer m_Multiplexer;         public RedisSubscriber(IConnectionMultiplexer multiplexer)         {             m_Multiplexer = multiplexer;         }           protected override Task ExecuteAsync(CancellationToken stoppingToken)         {             var subscribver = m_Multiplexer.GetSubscriber();             return subscribver.SubscribeAsync("message", ((channel, value) =>             {                 Console.WriteLine($"来自订阅的消息：{value}");             }));         }     } }

　　注册后台服务：

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1	services.AddHostedService<RedisSubscriber>();//长时间运行的后台服务

　　发布消息：