using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.IO.Ports;
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using System.Linq;
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using System.Runtime.CompilerServices;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Data;
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using System.Windows.Documents;
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using System.Windows.Input;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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using System.Windows.Shapes;
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namespace Plugin.TestResult_WPF
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{
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public class BarcodeEventArg
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{
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public string name { get; private set; }
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public string positionCode { get; private set; }
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public string snrCode { get; private set; }
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public BarcodeEventArg(string name, string positionCode, string snrCode)
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{
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this.name = name;
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this.positionCode = positionCode;
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this.snrCode = snrCode;
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}
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}
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/// <summary>
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/// Scanner.xaml 的交互逻辑
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/// </summary>
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public partial class Scanner : Window, INotifyPropertyChanged
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{
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#region ...
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public event PropertyChangedEventHandler PropertyChanged;
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public virtual void RaisePropertyChanged(string name)
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{
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
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}
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public void RaiseAndSetIfchanged<T>(ref T old, T @new, [CallerMemberName] string propertyName = null)
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{
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old = @new;
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if (propertyName != null) RaisePropertyChanged(propertyName);
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}
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#endregion
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private string _title;
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public string title
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{
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get { return _title; }
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set => RaiseAndSetIfchanged(ref _title, value);
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}
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public event EventHandler<BarcodeEventArg> FinishBarcode;
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private DataTable dataTable;
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SerialPort serialPort;
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public Scanner(string title)
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{
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this.title = title;
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this.DataContext = this;
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InitializeComponent();
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InitScanner();
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}
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/// <summary>
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/// 设置扫码枪
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/// </summary>
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private void InitScanner()
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{
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string comStr = "";
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if (serialPort != null) return;
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if (this.title == "一区扫码")
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{
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comStr = "COM1";
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}
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else
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{
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comStr = "COM2";
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}
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// 配置串口
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serialPort = new SerialPort
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{
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PortName = comStr,
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BaudRate = 115200,
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Parity = Parity.None,
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DataBits = 8,
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StopBits = StopBits.One,
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Handshake = Handshake.None,
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DtrEnable = true,
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RtsEnable = true
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//ReadTimeout = 500,
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//WriteTimeout = 500,
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//ReciveBufferSize=4096
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};
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try
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{
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// 打开串口
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serialPort.Open();
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// 注册接收数据事件
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serialPort.DataReceived += SerialPort_DataReceived;
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}
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catch (Exception ex)
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{
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MessageBox.Show($"初始化扫码枪失败！{ex.StackTrace}");
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}
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}
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private void SerialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
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{
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try
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{
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SerialPort sp = (SerialPort)sender;
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string barcode = ReadDataFrom(sp);
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//string barcode =
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Dispatcher.Invoke(() =>
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{
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if (snrText.IsFocused)
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{
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snrText.Text = barcode;
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Con_Click(null, null);
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}
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else
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{
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positionText.Text = barcode;
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//positionText.Focus();
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//snrText.Text = "";
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snrText.Focus();
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}
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});
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}
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catch (Exception ex)
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{
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MessageBox.Show($"获取扫码枪数据失败！{ex.StackTrace}");
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}
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}
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private void Con_Click(object sender, RoutedEventArgs e)
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{
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Dispatcher.Invoke(() =>
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{
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string position = positionText.Text, snr = snrText.Text;
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if (string.IsNullOrEmpty(position) || string.IsNullOrEmpty(snr))
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{
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MessageBox.Show("请输入储位条码和产品条码");
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return;
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}
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try
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{
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FinishBarcode.Invoke(this, new BarcodeEventArg(title, position, snr));
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//positionText.Text = "";
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//snrText.Text = "";
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positionText.Focus();
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message);
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}
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});
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}
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private void Ok_Click(object sender, RoutedEventArgs e)
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{
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string position = positionText.Text, snr = snrText.Text;
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if (string.IsNullOrEmpty(position) || string.IsNullOrEmpty(snr))
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{
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MessageBox.Show("请输入储位条码和产品条码");
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return;
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}
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try
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{
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FinishBarcode.Invoke(this, new BarcodeEventArg(title, position, snr));
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this.Close();
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message);
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}
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}
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private string ReadDataFrom(SerialPort sp)
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{
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string barcode = "";
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while (sp.BytesToRead > 0)
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{
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byte[] buffer = new byte[sp.BytesToRead];
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sp.Read(buffer, 0, buffer.Length);
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barcode += System.Text.Encoding.UTF8.GetString(buffer);
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System.Threading.Thread.Sleep(50);
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}
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return barcode;
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}
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private void Window_Closing(object sender, CancelEventArgs e)
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{
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try
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{
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serialPort.Close();
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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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