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using Microsoft.Extensions.DependencyInjection;
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using SlnMesnac.Config;
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using System;
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using System.Collections.Generic;
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using System.IO.Ports;
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using System.Linq;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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namespace SlnMesnac.Common
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{
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public sealed class ControlOffLineScanHelper
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{
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#region 单例实现
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private static readonly ControlOffLineScanHelper lazy = new ControlOffLineScanHelper();
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public static ControlOffLineScanHelper Instance
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{
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get
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{
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return lazy;
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}
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}
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#endregion
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#region 变量定义
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private static SerialPort serialPort = new SerialPort();
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#endregion
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/// <summary>
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/// 扫码委托
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/// </summary>
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/// <param name="materialCodeStr"></param>
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/// <param name="ip"></param>
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public delegate void RefreshMaterialCodeStr(string code);
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public static event RefreshMaterialCodeStr RefreshMaterialCodeStrEvent;
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public Action<string> RecAutoDataAction;
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//初始化串口并启动接收数据
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public void InstanceSerialPort(string ComPort)
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{
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try
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{
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//端口名 注:因为使用的是USB转RS232 所以去设备管理器中查看一下虚拟com口的名字
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serialPort.PortName = ComPort;// portName;
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//波特率 霍尼威尔扫码枪115200,普通9600
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serialPort.BaudRate = 115200;
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//奇偶校验
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serialPort.Parity = Parity.None;
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//停止位
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serialPort.StopBits = StopBits.One;
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//数据位
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serialPort.DataBits = 0x8;
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//忽略null字节
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serialPort.DiscardNull = true;
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//接收事件
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serialPort.DataReceived += new System.IO.Ports.SerialDataReceivedEventHandler(serialPort1_DataReceived);
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//开启串口
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serialPort.Open();
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}
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catch (Exception ex)
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{
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Console.WriteLine(ex.Message.ToString());
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}
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}
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/// <summary>
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/// 接收数据
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void serialPort1_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
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{
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//string result = "";
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//result = serialPort.ReadExisting().Trim();
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//RecAutoDataAction?.Invoke(result);
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//Console.WriteLine(result);
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string g_s_Data = "";
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try
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{
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#region
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Thread.Sleep(100);
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do
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{
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g_s_Data = serialPort.ReadExisting().Trim();
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}
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while (serialPort.BytesToRead > 0);
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if (g_s_Data.Length > 0)
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{
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//区分箱体码
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RecAutoDataAction?.Invoke(g_s_Data);
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//逻辑操作，g_s_Data为条码数据
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}
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GC.Collect();
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#endregion
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}
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catch (Exception ex)
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{
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}
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}
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}
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}
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