JiShe.CollectBus/src/JiShe.CollectBus.KafkaProducer/ProducerService.cs

using Confluent.Kafka;
using Microsoft.Extensions.Configuration;
using Volo.Abp.DependencyInjection;

namespace JiShe.CollectBus.Kafka
{
    public class ProducerService<T> : ITransientDependency
    {
        private readonly IProducer<Ignore, T> _producer;

        public ProducerService(IConfiguration configuration)
        {
            var producerConfig = new ProducerConfig
            {
                BootstrapServers = configuration["Kafka:BootstrapServers"]
            };

            _producer = new ProducerBuilder<Ignore, T>(producerConfig).Build();
        }

        public async Task ProduceAsync(string topic, T message)
        {
            var msg = new Message<Ignore, T> { Value = message };

            await _producer.ProduceAsync(topic, msg);
        }
    }
}