c#客显

using System;
using System.Collections.Generic;
using System.Text;
using System.IO.Ports;
using System.Threading;
using smartpos.wpos.App.Common;
using smartpos.wpos.App.Common.DataDictionary;
using smartpos.wpos.App.Common.Locator;

namespace smartpos.wpos.App.Components.SystemSetting.CustomerDisplay
{
/// <summary>
/// 客显（HK-V110）
/// </summary>
public class CustomerDisplay
{
#region 成员变量

private static string spPortName;
private static int spBaudRate;
private static StopBits spStopBits;
private static int spDataBits;

#endregion --成员变量

#region 属性
/// <summary>
/// 客显发送类型
/// </summary>
public static CustomerDispiayType DispiayType { private get; set; }
#endregion --属性

#region 构造函数
/// <summary>
/// 构造函数
/// </summary>
/// <param name="_spPortName">端口名称（COM1,COM2，COM3...）</param>
/// <param name="_spBaudRate">通信波特率（2400,9600....）</param>
/// <param name="_spStopBits">停止位</param>
/// <param name="_spDataBits">数据位</param>
//public CustomerDisplay(string _spPortName, int _spBaudRate, string _spStopBits, int _spDataBits)
//{
// CustomerDisplay.spBaudRate = _spBaudRate;
// CustomerDisplay.spDataBits = _spDataBits;
// CustomerDisplay.spPortName = _spPortName;
// CustomerDisplay.spStopBits = (StopBits)(Enum.Parse(typeof(StopBits), _spStopBits));
//}

static CustomerDisplay()
{
try
{
IntiVar();
}
catch (Exception ex)
{
WXLog.Error("顾显数据CustomerDisplay", ex);
}
}
/// <summary>
/// 初始化变量
/// </summary>
public static void IntiVar()
{
var info = ServiceLocator.MachineSetting.GuestDisplayer;
CustomerDisplay.spPortName = info.Parameter.Port;
CustomerDisplay.spBaudRate = Convert.ToInt32(info.Parameter.Baudrate);
CustomerDisplay.spStopBits = (StopBits)(Enum.Parse(typeof(StopBits), info.Parameter.StopBit));
CustomerDisplay.spDataBits = int.Parse(info.Parameter.DataBit);
}

#endregion --构造函数

#region Method
#region 公共方法
/// <summary>
/// 顾显数据展现
/// </summary>
/// <param name="data">发送的数据（清屏可以为null或者空）</param>
public static void DisplayData(string data)
{
WXLog.Info("顾显数据展现开始。");
try
{
if (ServiceLocator.MachineSetting.GuestDisplayer.Parameter.Type == "0")
{
return;
}
if (Array.IndexOf<string>(SerialPort.GetPortNames(), spPortName) != -1)
{
SerialPort serialPort = new SerialPort();
serialPort.PortName = spPortName;
serialPort.BaudRate = spBaudRate;
serialPort.StopBits = spStopBits;
serialPort.DataBits = spDataBits;
if (!serialPort.IsOpen)
{
serialPort.Open();
}
// serialPort.BaseStream.Flush();
//先清屏
// serialPort.Write(((char)12).ToString());
//先清屏
// serialPort.WriteLine(((char)12).ToString());
//指示灯
int i = 0;
switch (DispiayType)
{
case CustomerDispiayType.Clear:
i = 48;
break;
case CustomerDispiayType.Price:
i = 49;
break;
case CustomerDispiayType.Total:
i = 50;
break;
case CustomerDispiayType.Recive:
i = 51;
break;
case CustomerDispiayType.Change:
i = 52;
break;
}
//状态
serialPort.Write(((char)27).ToString() + ((char)115).ToString() + ((char)i).ToString());

//发送数据
if (!string.IsNullOrEmpty(data.ToString()))
{
string str = ((char)27).ToString() + ((char)81).ToString() + ((char)65).ToString() + data.ToString() + ((char)13).ToString();
serialPort.Write(str);
}
serialPort.Close();
serialPort.Dispose();
}
}
catch (Exception ex)
{
WXLog.Error("顾显数据展现", ex);
}
finally
{
WXLog.Info("顾显数据展现结束。");
}
}

#endregion --公共方法
#endregion --Method
}

/// <summary>
/// 客显类型
/// </summary>
public enum CustomerDispiayType
{
/// <summary>
/// 清屏
/// </summary>
Clear,
/// <summary>
/// 单价
/// </summary>
Price,
/// <summary>
/// 合计
/// </summary>
Total,
/// <summary>
/// 收款
/// </summary>
Recive,
/// <summary>
/// 找零
/// </summary>
Change
}
}

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