完成S7变量启用和停用更新

DMS.Infrastructure/Services/Mqtt/MqttServiceFactory.cs

@@ -0,0 +1,44 @@
+using DMS.Infrastructure.Interfaces.Services;
+using Microsoft.Extensions.Logging;
+
+namespace DMS.Infrastructure.Services.Mqtt
+{
+    /// <summary>
+    /// MQTT服务工厂实现类，用于创建MQTT服务实例
+    /// </summary>
+    public class MqttServiceFactory : IMqttServiceFactory
+    {
+        private readonly ILogger<MqttService> _logger;
+
+        /// <summary>
+        /// 构造函数，注入日志记录器
+        /// </summary>
+        /// <param name="logger">MQTT服务日志记录器</param>
+        public MqttServiceFactory(ILogger<MqttService> logger)
+        {
+            _logger = logger ?? throw new ArgumentNullException(nameof(logger));
+        }
+
+        /// <summary>
+        /// 创建MQTT服务实例
+        /// </summary>
+        /// <returns>IMqttService实例</returns>
+        public IMqttService CreateService()
+        {
+            return new MqttService(_logger);
+        }
+
+        /// <summary>
+        /// 根据MQTT服务器配置创建MQTT服务实例
+        /// </summary>
+        /// <param name="mqttServer">MQTT服务器配置</param>
+        /// <returns>IMqttService实例</returns>
+        public IMqttService CreateService(Core.Models.MqttServer mqttServer)
+        {
+            if (mqttServer == null)
+                throw new ArgumentNullException(nameof(mqttServer));
+
+            return new MqttService(_logger);
+        }
+    }
+}