SIMDP_FEM02/SIMDP.Project/PlcHelper.cs

using ACTMULTILib;
using ProjectBase.Data.BaseDAL;
using ProjectBase.Data.Logs;
using SIMDP.BLL;
using SIMDP.Device;
using SIMDP.Model;  
using System;
using System.Collections.Generic;
using System.Linq;

namespace SIMDP.Project
{
    public class PlcHelper
    {
        public static PlcHelper Instance { get; private set; }

        static PlcHelper()
        {
            Instance = new PlcHelper();
        }

        public static List<AbstractBaseDevice> deviceList = new List<AbstractBaseDevice>();
        public static List<MoPlcInfo> plcInfoList = new List<MoPlcInfo>();

        /// <summary>
        /// 连接PLC
        /// </summary>
        public void Connect()
        {
            if (deviceList.Count > 0)
                Close();
            plcInfoList = BLLFactory<BlPlcInfo>.Instance.GetActivePLC();
            if (plcInfoList.Count <= 0)
                return;
            foreach (var plcInfo in plcInfoList)
            {
                List<MoDataPoint> opcPoints = BLLFactory<BlDataPoint>.Instance.GetDataPointsByPlcID(plcInfo.PlcId);
                if (opcPoints.Count == 0) continue;

                // 直接通过PLC名称实例化对象，替代原有按类型区别方式
                Type t = Type.GetType("SIMDP.Project." + plcInfo.PlcName);
                if (t == null)
                {
                    LogHelper.log.Error("未找到设备对象类：" + plcInfo.PlcName);
                    continue;
                }
                AbstractBaseDevice plc = (AbstractBaseDevice)t.Assembly.CreateInstance(t.FullName);
                deviceList.Add(plc);
                plc.Start(plcInfo, opcPoints);
            }
        }

        /// <summary>
        /// 断开连接 
        /// </summary>
        public void Close()
        {
            foreach (var plc in deviceList)
            {
                plc.Stop();
            }
            deviceList.Clear();
        }

    }
}