添加项目文件。

QYZH.InteractiveMagazine.Infrastructure/MessageQueue/RabbitMQConsumer.cs

@@ -0,0 +1,72 @@
+using Microsoft.Extensions.Logging;
+using RabbitMQ.Client;
+using RabbitMQ.Client.Events;
+using System.Text;
+
+namespace QYZH.InteractiveMagazine.Infrastructure.MessageQueue;
+
+/// <summary>
+/// RabbitMQ消息消费者基类
+/// </summary>
+public abstract class RabbitMQConsumer : IDisposable
+{
+    private readonly IConnection _connection;
+    private readonly ILogger<RabbitMQConsumer> _logger;
+    private IChannel? _channel;
+    private AsyncEventingBasicConsumer? _consumer;
+
+    /// <summary>
+    /// 构造函数
+    /// </summary>
+    /// <param name="connection">RabbitMQ连接</param>
+    /// <param name="logger">日志记录器</param>
+    protected RabbitMQConsumer(IConnection connection, ILogger<RabbitMQConsumer> logger)
+    {
+        _connection = connection;
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// 启动消费
+    /// </summary>
+    /// <param name="queueName">队列名称</param>
+    /// <param name="handleMessage">消息处理委托</param>
+    public async Task StartConsume(string queueName, Func<string, Task> handleMessage)
+    {
+        _channel = await _connection.CreateChannelAsync();
+
+        _consumer = new AsyncEventingBasicConsumer(_channel);
+        _consumer.ReceivedAsync += async (model, ea) =>
+        {
+            try
+            {
+                var body = ea.Body.ToArray();
+                var message = Encoding.UTF8.GetString(body);
+
+                await handleMessage(message);
+
+                await _channel.BasicAckAsync(ea.DeliveryTag, false);
+
+                _logger.LogInformation("消息消费成功 | 队列: {QueueName} | 消息: {Message}", queueName, message);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "消息消费失败 | 队列: {QueueName}", queueName);
+                await _channel.BasicNackAsync(ea.DeliveryTag, false, true);
+            }
+        };
+
+        await _channel.BasicConsumeAsync(queue: queueName, autoAck: false, consumer: _consumer);
+
+        _logger.LogInformation("开始消费消息 | 队列: {QueueName}", queueName);
+    }
+
+    /// <summary>
+    /// 释放资源
+    /// </summary>
+    public void Dispose()
+    {
+        _channel?.DisposeAsync().GetAwaiter().GetResult();
+        GC.SuppressFinalize(this);
+    }
+}