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2026-09-02 16:31:50 +08:00
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+using JSMachine.WMS.Common;
+using JSMachine.WMS.Infrastructure.AppConfiguration;
+using JSMachine.WMS.Infrastructure.Helper;
+using JSMachine.WMS.PLC.ModbusImpl.Elevator;
+using System.Collections.Concurrent;
+
+namespace JSMachine.WMS.PLC.ModbusImpl
+{
+    /// <summary>
+    /// 进程内 PLC 引擎注册表，按提升机编号管理通信实例。
+    /// </summary>
+    public static class PLCManager
+    {
+        private static readonly ConcurrentDictionary<int, IModbusEngine> PLC_Dic = new();
+
+        /// <summary>
+        /// 添加或替换指定提升机的 PLC 引擎。
+        /// </summary>
+        /// <param name="elevatorNo">提升机编号。</param>
+        /// <param name="modbusEngine">对应的 Modbus 引擎。</param>
+        public static void AddPLC(int elevatorNo, IModbusEngine modbusEngine)
+        {
+            if (PLC_Dic.ContainsKey(elevatorNo))
+            {
+                PLC_Dic[elevatorNo] = modbusEngine;
+            }
+            else
+            {
+                PLC_Dic.TryAdd(elevatorNo, modbusEngine);
+            }
+        }
+
+        /// <summary>
+        /// 获取指定提升机的 PLC 引擎；未注册时记录警告并返回空值。
+        /// </summary>
+        /// <param name="elevatorNo">提升机编号。</param>
+        /// <returns>已注册的通信引擎，未连接时返回空值。</returns>
+        public static IModbusEngine GetPLC(int elevatorNo)
+        {
+            if (!PLC_Dic.ContainsKey(elevatorNo))
+            {
+                LogHelper.Warn($"{elevatorNo} 号提升机PLC尚未连接");
+
+                //ElevatorConfig elevatorConfig = Global.AppSettings.ElevatorConfig.First(p => p.ElevatorNo == elevatorNo);
+
+                //new ElevatorPlc().Init(elevatorConfig.IP, elevatorConfig.Port);
+
+                return null;
+
+            }
+
+            return PLC_Dic[elevatorNo];
+        }
+    }
+}