//链接打印机
public static string LinkPrinter(string printerName, int port)
{
try
{
string ip = GetRegistryData(printerName + "\\DsSpooler", "portName");
if (ip == "" || ip.Split(new char[] { '.' }).Length != 4)
{
throw new ConnectionException("没找到IP");
}
foreach (string s in ip.Split(new char[] { '.' }))
{
int.Parse(s);
}
Ping pingSender = new Ping();
PingReply reply = pingSender.Send(ip, 1);;
if (reply.Status != IPStatus.Success)
{
throw new ConnectionException("链接失败！");
}
/*Ping pingSender = new Ping();
* Thread thread = new Thread(new ThreadStart()));
* thread.Start();
* PingReply reply = null;
* reply = pingSender.Send(ip, 1);//第一个参数为ip地址，第二个参数为ping的时间
*
* Func<string, int, PingReply> func = new Func<string, int, PingReply>(Printer.PingIP);
* reply = func(ip, 1);
*
* if (reply.Status != IPStatus.Success)
* throw new ConnectionException("链接失败！");*/
TcpConnection connection = new TcpConnection(ip, port);
connection.Open();
printerHTTP = ZebraPrinterFactory.GetInstance(connection);
linkOsPrinter = ZebraPrinterFactory.CreateLinkOsPrinter(printerHTTP);
printerStatus = printerHTTP.GetCurrentStatus();
}
catch (ConnectionException e)
{
printerHTTP = null;
FileTools.WriteLineFile(FileTools.exceptionFilePath, DateTime.Now.ToString() + " " + printerName + e.Message);
return(printerName + e.Message);
}
catch (FormatException e)
{
printerHTTP = null;
FileTools.WriteLineFile(FileTools.exceptionFilePath, DateTime.Now.ToString() + " " + printerName + "IP地址不正确！");
return(printerName + "IP地址不正确！");
}
return("");
}
//关闭链接
public static void ClosePrinter()
{
if (printerHTTP != null)
{
printerHTTP.Connection.Close();
printerHTTP = null;
printerStatus = null;
linkOsPrinter = null;
}
}
private List <string> GetPrinterStatusPrefix(ZebraPrinterStatus printerStatus)
{
bool ready = printerStatus != null ? printerStatus.isReadyToPrint : false;
string readyString = "Printer " + (ready ? "ready" : "not ready");
string labelsInBatch = "Labels in batch: " + Convert.ToString(printerStatus.labelsRemainingInBatch);
string labelsInRecvBuffer = "Labels in buffer: " + Convert.ToString(printerStatus.numberOfFormatsInReceiveBuffer);
return(new List <string> {
readyString, labelsInBatch, labelsInRecvBuffer
});
}
private void GetPrinterStatus()
{
Connection printerConnection = null;
Task.Run(() => {
try {
printerConnection = connectionSelector.GetConnection();
printerConnection.Open();
ZebraPrinter printer = ZebraPrinterFactory.GetInstance(printerConnection);
ZebraPrinterLinkOs linkOsPrinter = ZebraPrinterFactory.CreateLinkOsPrinter(printer);
ZebraPrinterStatus status = (linkOsPrinter != null) ? linkOsPrinter.GetCurrentStatus() : printer.GetCurrentStatus();
string[] printerStatusString = new PrinterStatusMessages(status).GetStatusMessage();
List <string> printerStatusPrefix = GetPrinterStatusPrefix(status);
StringBuilder sb = new StringBuilder();
foreach (string s in printerStatusPrefix)
{
sb.AppendLine(s);
}
foreach (string s in printerStatusString)
{
sb.AppendLine(s);
}
Application.Current.Dispatcher.Invoke(() => {
printerStatus.Text = sb.ToString();
});
} catch (ConnectionException e) {
MessageBoxCreator.ShowError(e.Message, "Connection Error");
} catch (ZebraPrinterLanguageUnknownException e) {
MessageBoxCreator.ShowError(e.Message, "Connection Error");
} finally {
if (printerConnection != null)
{
try {
printerConnection.Close();
} catch (ConnectionException) {
} finally {
SetTestButtonState(true);
}
}
else
{
SetTestButtonState(true);
}
}
});
}
private void TestConnectionString()
{
Task.Run(() => {
try {
ClearProgress();
connection = ZebraConnectionBuilder.Build(GetConnectionStringForSdk());
PublishProgress("Connection string evaluated as class type " + connection.GetType().Name);
connection.Open();
PublishProgress("Connection opened successfully");
if (IsAttemptingStatusConnection())
{
ZebraPrinterLinkOs printer = ZebraPrinterFactory.GetLinkOsPrinter(connection);
PublishProgress("Created a printer, attempting to retrieve status");
ZebraPrinterStatus status = printer.GetCurrentStatus();
PublishProgress("Is printer ready to print? " + status.isReadyToPrint);
}
else
{
ZebraPrinter printer = ZebraPrinterFactory.GetInstance(connection);
PublishProgress("Created a printer, attempting to print a config label");
printer.PrintConfigurationLabel();
}
PublishProgress("Closing connection");
} catch (ConnectionException) {
MessageBoxCreator.ShowError("Connection could not be opened", "Error");
} catch (ZebraPrinterLanguageUnknownException) {
MessageBoxCreator.ShowError("Could not create printer", "Error");
} finally {
if (connection != null)
{
try {
connection.Close();
} catch (ConnectionException) { } finally {
connection = null;
SetTestButtonState(true);
}
}
else
{
SetTestButtonState(true);
}
}
});
}
