public PrinterController(string pConfigPath)
{
errList = new List <string>();
ConfigPath = pConfigPath;
// _log = LogHelper.GetInstance(AppDomain.CurrentDomain.BaseDirectory + "ClientConfig\\Log4Net.config", "PRINTER_LOG");
CreateInstance();
if (_curPrinterList == null || _curPrinterList.Count <= 0)
{
PrinterDevLogger.Error("打印机对象创建失败。", "");
}
}
/// <summary>
/// 创建实例
/// </summary>
/// <returns></returns>
private void CreateInstance()
{
_curPrinterList = new List <IPrint>();
IPrint io = null;
try
{
string tBaseDirectory = System.AppDomain.CurrentDomain.BaseDirectory;
ConfigReader cfgReader = new ConfigReader(this.ConfigPath);
_curConfigList = ConfigReader.ReadPrinterConfig();
PrinterDevLogger.Debug("读取打印机配置.ConfigPath=" + ConfigPath, "");
string msg = string.Empty;
foreach (PrinterConfig cfg in _curConfigList)
{
string driverPath = Path.Combine(tBaseDirectory, cfg.Driver);
Assembly assembly = Assembly.LoadFile(driverPath);
PrinterDevLogger.Debug("加载组件.driverPath=" + driverPath, "");
string name = assembly.FullName.Split(',')[0] + ".PrinterControl";
Type type = assembly.GetType(name);
io = Activator.CreateInstance(type, cfg) as IPrint;
io.OnShowErrMsg += ShowErrorMsg;
_curPrinterList.Add(io);
//if(io.CheckPrinterState(out msg))
//{
// _log.Info("打印机对象创建成功");
// break;
//}
}
}
catch (Exception ex)
{
ShowErrorMsg(ErrorType.Error, "创建打印机对象失败，请检查打印插件相关。");
PrinterDevLogger.Error("打印机对象创建失败，请检查打印插件相关。", "", ex);
}
}
/// <summary>
/// 检测打印机
/// </summary>
/// <param name="pErrorMsg"></param>
public bool CheckPrinterState(out string pMsg)
{
bool tCanPrint = true;
try
{
_isComportReceiveData = false;
pMsg = string.Empty;//错误信息
if (_spCom.IsOpen)
{
_spCom.Close();
Thread.Sleep(100);
}
_spCom.Open();
Thread.Sleep(100);
if (_spCom.IsOpen)
{
#region COM口打开
WriteComData(PrinterCommand.CLEAR_PRINTER_BUFFER);
WriteComData(PrinterCommand.INIT_PRINTER);
WriteComData(PrinterCommand.JoinCommand(PrinterCommand.DETECTION_PRINTER, (Byte)20));
int count = 0;
while (!_isComportReceiveData)
{
count++;
if (count >= 100)
{
break;
}
Thread.Sleep(20);
}
//超时
if (count < 100)
{
byte[] tempArray = new byte[] { _curComBufferData[0], _curComBufferData[1], _curComBufferData[2], _curComBufferData[3], _curComBufferData[4], _curComBufferData[5] };
PrinterDevLogger.Debug("打印机状态：" + ByteArrayToHexString(tempArray), _curPrinterConfig.ComPort);
#region check printer state
#region paper status
byte tPaperStatus = _curComBufferData[2];
//if (tPaperStatus != 0)
//{
if ((tPaperStatus & 0X01) == 1)
{
pMsg += "没有打印纸，缺纸。";
tCanPrint = false;
}
if ((tPaperStatus & 0X04) == 4)
{
pMsg += "即将缺纸。";
}
if ((tPaperStatus & 0X20) == 32)
{
pMsg += "弹纸盒里面有纸，未弹出。";
WriteComData(PrinterCommand.PRINTER_EJECTOR_TICKET); //出票 0X1D, 0X65, 0X05
//tCanPrint = false;
}
//if (!string.IsNullOrEmpty(pMsg))
//{
// pMsg = "未知错误";
// tCanPrint = false;
//}
// }
#endregion
#region user status
byte tUserStatus = _curComBufferData[3];
//if (tUserStatus != 0)
//{
if ((tUserStatus & 0X01) == 1 || (tUserStatus & 0X02) == 2)
{
pMsg += "打印机盖没有合上。";
tCanPrint = false;
}
//if (string.IsNullOrEmpty(pMsg))
//{
// pMsg = "未知错误";
// tCanPrint = false;
//}
// }
//switch (tUserStatus)
//{
// case 1://打印机盖没有合上
// case 2:
// pMsg += GetErrorMsg(5);
// tCanPrint = false;
// break;
// default:
// break;
//}
#endregion
#region 5= Unrecoverable error status
byte tOtherStatus = _curComBufferData[5];
//if (tOtherStatus != 0)
//{
if ((tUserStatus & 0X01) == 1)
{
pMsg += "切纸错误。";
tCanPrint = false;
}
// if (string.IsNullOrEmpty(pMsg))
// {
// pMsg = "打印机出现严重错误。";
// tCanPrint = false;
// }
//}
//switch (tOtherStatus)
//{
// case 0:
// break;
// case 1://切刀卡纸错误
// pMsg += GetErrorMsg(6);
// tCanPrint = false;
// break;
// default:
// //tCanPrint = false;
// //pMsg += GetErrorMsg(8);
// break;
//}
#endregion
#endregion
}
else
{
tCanPrint = false;
pMsg += "无法获取打印机状态，超时。";
PrinterDevLogger.Error("无法获取打印机状态，超时。", _curPrinterConfig.ComPort);
}
_spCom.Close();
Thread.Sleep(100);
#endregion
}
else
{
tCanPrint = false;
pMsg += "打印机串口无法打开。";
PrinterDevLogger.Error("检测打印机状态时，串口无法打开。", _curPrinterConfig.ComPort);
}
}
catch (Exception ex)
{
pMsg = ex.Message;
tCanPrint = false;
PrinterDevLogger.Error("检测打印机状态异常。", _curPrinterConfig.ComPort, ex);
}
return(tCanPrint);
}