#第一步push消息到队列
lpush listA msg
#第二步，一个专门的分发客户端取出消息，push到各个子队列
var msg=brpop listA
lpush listA1 msg
lpush listA2 msg
......
#第三步，多个客户端从对应的队列消费消息
var client1_msg= brpop listA1
var client2_msg= brpop listA2
......

{
 "ConnectionStrings": {
  "redis": "{ip}:{port},password=123456,prefix=my_"
 }
}

    public void ConfigureServices(IServiceCollection services)
    {
      //redis配置
      RedisHelper.Initialization(new CSRedis.CSRedisClient(Configuration.GetConnectionString("redis")));
    }

  public abstract class RedisMQConsumer : BackgroundService
  {
    protected abstract string CacheKey { get; }

    protected ILogger<RedisMQConsumer> logger;

    public RedisMQConsumer(ILogger<RedisMQConsumer> logger)
    {
      this.logger = logger;
    }

    protected override Task ExecuteAsync(CancellationToken stoppingToken)
    {
      return Task.Run( async() =>
      {
        while (!stoppingToken.IsCancellationRequested)
        {
          try
          {
            var msg = RedisHelper.BRPop(5, CacheKey);
            try
            {
              if (string.IsNullOrEmpty(msg)) continue;
              if (!Process(msg))
              {
                //加入错误处理队列，可以在后台写功能手动处理
                RedisHelper.LPush(CacheKey + "_err", msg);
              }
            }
            catch (Exception exp)
            {
              //加入错误处理队列，可以在后台写功能手动处理
              RedisHelper.LPush(CacheKey + "_err", msg);
              logger.LogError(exp, "RedisMQConsumer Execute error");
            }
          }
          catch
          {
            //网络可能中断
            await Task.Delay(TimeSpan.FromSeconds(5), stoppingToken);
          }
            
        }
      }, stoppingToken);
    }

    protected abstract bool Process(string message);
  }

  public class AddOrderMQConsumer : RedisMQConsumer
  {
    public AddOrderMQConsumer(ILogger<RedisMQConsumer> logger) : base(logger)
    {
    }
    protected override string CacheKey => "addOrder";
    protected override bool Process(string message)
    {
      var order = JsonSerializer.Deserialize<Order>(message);
      //处理逻辑
      return true;
    }
  }

RedisHelper.LPush("addOrder", order);

    public void ConfigureServices(IServiceCollection services)
    {
      //redis配置
      RedisHelper.Initialization(new CSRedis.CSRedisClient(Configuration.GetConnectionString("redis")));
      
      //redis消息队列消费服务，放在redis配置下方
      services.AddHostedService<AddOrderMQConsumer>();
    }