public string print(string printListJson)
{
string error = "NULL";
if (CheckTools.isNull(printListJson))
{
return(error);
}
PrinterList printerList = JsonConvert.DeserializeObject <PrinterList>(printListJson);
if (printerList == null)
{
return(error);
}
if (printerList.command == null)
{
printerList.command = "print";
}
if (string.Equals("print", printerList.command, StringComparison.CurrentCultureIgnoreCase))
{
print(true, printerList);
error = printerList.errorMsg;
}
else
{
error = printListJson;
}
//StringBuilder sb = new StringBuilder(printerList.listId == null ? "" : printerList.listId.ToString()).Append("ACK".Equals(error) ? "打印成功!" : error);
//error = sb.ToString();
//sb.Clear();
return(error);
}
private void GetPrinterFromDb()
{
PrinterList.Clear();
int i = 0;
var items = PrinterList.Items;
try
{
using (var con = new MySqlConnection(cs))
{
con.Open();
var query = "SELECT PrinterName FROM printers";
using (var cmd = new MySqlCommand(query, con))
{
using (var reader = cmd.ExecuteReader())
{
while (reader.Read())
{
items.Add(reader.GetString("PrinterName"));
PrinterList.Items[i].ImageIndex = 0;
i++;
}
}
}
}
}
catch (MySqlException) { }
}
private void UpdatePrintResult(PrinterList printer)
{
Dictionary <string, string> parameters = new Dictionary <string, string>(3);
parameters.Add("listId", printer.listId.ToString());
parameters.Add("printResult", printer.printResult.ToString());
parameters.Add("errorMsg", printer.errorMsg);
string result = null;
result = HttpRequestClientUtil.doPost(StaticUtil.PRINT_ADDRESS + "/printer/updatePrinterListResult", StaticUtil.DEFAULT_CHARSET, 60000, null, parameters, StaticUtil.USER_COOKIE_BEAN.Cookies);
if (null == result)
{
MessageBoxEx.Show(this, "请求超时,请检查网络!", "提示", MessageBoxButtons.OK);
}
else
{
try
{
Result <int?> data = JsonConvert.DeserializeObject <Result <int?> >(result);
if (data.success && data.bizErrCode == 20000 && data.data > 0)
{
}
else
{
this.txt_print_log.AppendText("远程HTTP打印服务异常提示:" + data.defaultRequestFailShow() + "\r\n");
}
}
catch (Exception e)
{
Console.WriteLine("MainForm.UpdatePrintResult序列化异常：" + e.Message);
}
}
}
public override async void OnNavigatedTo(INavigationParameters parameters)
{
try
{
if (PrinterList == null)
{
PrinterList = await _restClient.GetPrinterList();
}
if (Printer == null)
{
Printer = PrinterList.FirstOrDefault(p => Settings.Printer.Equals(p.PrinterName));
if (Printer == null)
{
Settings.Printer = string.Empty;
}
}
if (LabelTemplateList == null)
{
LabelTemplateList = await _restClient.GetLabelTemplateList();
}
if (parameters.ContainsKey("inventoryList"))
{
_inventoryList = (List <InventoryThumbnail>)parameters["inventoryList"];
}
}
catch (Exception ex)
{
await _pageDialogService.DisplayAlertAsync("Error", ex.Message, "OK");
}
}
private static void OnResponse(IAsyncResult ar)
{
RequestState state = ar.AsyncState as RequestState;
try
{
HttpWebRequest request = state.Request;
HttpWebResponse response = request.EndGetResponse(ar) as HttpWebResponse;
using (StreamReader read = new StreamReader(response.GetResponseStream(), Encoding.UTF8))
{
string html = read.ReadToEnd();
state.Host.Html = html;
GetPrinterType(state);
GetPrinterStatus(state);
Regex replaceSpace = new Regex(@"[\s]+", RegexOptions.IgnoreCase); // 去掉连续空格
string pstatus, tstatus;
pstatus = state.Printer.PrinterStatus.Replace("<br>", "").Replace("\n", "").Replace("</pre>", "").Trim();
tstatus = state.Printer.TonerStatus.Replace("<br>", "").Replace("\n", "").Replace("*", "").Trim();
pstatus = replaceSpace.Replace(pstatus, " ");
tstatus = replaceSpace.Replace(tstatus, " ");
state.Printer.PrinterStatus = pstatus;
state.Printer.TonerStatus = tstatus;
if (pstatus.IndexOf("StartIndex") == -1)
{
if (state.IsIndexQuery)
{
indexCount++;
}
else
{
count++;
PrinterList.Add(state.Printer);
Console.WriteLine(count.ToString() + "/" + storeCount.ToString() + " " + state.Printer.StoreNo + ": " + state.Printer.PrinterStatus + " " + state.Printer.TonerStatus);
}
}
}
response.Close();
}
catch (System.Exception ex)
{
state.Printer.PrinterStatus = ex.Message;
state.Printer.TonerStatus = ex.Message;
state.Printer.PrinterNetwork = "Down";
state.Printer.Date = DateTime.Now.ToString();
if (state.IsIndexQuery)
{
indexCount++;
}
else
{
count++;
PrinterList.Add(state.Printer);
Console.WriteLine(count.ToString() + "/" + storeCount.ToString() + " " + state.Printer.StoreNo + ": " + ex.Message.ToString());
}
}
}
private void DiscoveryHandler_OnFoundPrinter(object sender, IDiscoveredPrinter discoveredPrinter)
{
System.Diagnostics.Debug.WriteLine("Found Printer:" + discoveredPrinter.ToString());
Device.BeginInvokeOnMainThread(() =>
{
if (!PrinterList.Contains(discoveredPrinter))
{
PrinterList.Add(discoveredPrinter);
}
});
}
public SettingToPrintViewModel(IPrintPDF pDFPrinter, IPrintExcel excelPrinter)
{
PDFPrinter = pDFPrinter;
ExcelPrinter = excelPrinter;
//PDFFilesToPrint = pDFFilesToPrint;
foreach (var item in PrinterSettings.InstalledPrinters)
{
PrinterList.Add(item.ToString());
}
PropertyCommand = new RelayCommand(PropertySet);
OKCommand = new RelayCommand(OK);
CancelCommand = new RelayCommand(Cancel);
OptionCommand = new RelayCommand(Option);
}
private void PopulatePrinterList()
{
try
{
PrinterSettings ps = new PrinterSettings();
foreach (string item in PrinterSettings.InstalledPrinters)
{
PrinterList.Add(item);
}
}
catch (Exception ex)
{
this.messageBoxService.ShowError(this.GetType().FullName + System.Reflection.MethodBase.GetCurrentMethod().Name + ": " + ex.Message);
}
}
private void RemovePrinter_Click(object sender, EventArgs e)
{
try
{
MySqlConnection con = new MySqlConnection(cs);
MySqlCommand cmd = con.CreateCommand();
cmd.CommandText = "DELETE FROM printers where PrinterName='" + PrinterList.SelectedItems[0].Text + "' ";
con.Open();
cmd.ExecuteNonQuery();
con.Close();
PrinterList.Clear();
GetPrinterFromDb();
}
catch (MySqlException) { }
catch (Exception) { }
}
//Button Action testseite drucken
public IActionResult TestPrinter(string PrinterName)
{
if (ModelState.IsValid)
{
string folderPath = @"C:\Users\BenOmran\Desktop\savepdf";
PrinterList = GetAllItems().ToList();
var printer = PrinterList.Single(d => d.DeviceName == PrinterName);
if (printer.DeviceType == "Printer" && printer.DeviceSubtype == "A4")
{
FileStream PdfA4 = new FileStream("Test-A4.pdf", FileMode.Open, FileAccess.Read);
PdfLoadedDocument loadedDocumentA4 = new PdfLoadedDocument(PdfA4);
MemoryStream stream = new MemoryStream();
loadedDocumentA4.Save(stream);
PdfViewer pdfViewer = new PdfViewer();
var myUniqueFileName = $@"Test-A4_{Guid.NewGuid()}.pdf";
using (var file = new FileStream(Path.Combine(folderPath, myUniqueFileName), FileMode.Create, FileAccess.Write))
{
stream.WriteTo(file);
pdfViewer.BindPdf(PdfA4);
pdfViewer.PrintDocument();
AddQ(PrinterName, file.Name);
}
}
else if (printer.DeviceType == "Printer" && printer.DeviceSubtype == "Label")
{
FileStream PdfLabel = new FileStream("Test-Label-3,9x7,9-inch.pdf", FileMode.Open, FileAccess.Read);
PdfLoadedDocument loadedDocumentLabel = new PdfLoadedDocument(PdfLabel);
MemoryStream stream = new MemoryStream();
loadedDocumentLabel.Save(stream);
PdfViewer pdfViewer = new PdfViewer();
var myUniqueFileName = $@"Test-Label-3,9x7,9-inch_{Guid.NewGuid()}.pdf";
using (var file = new FileStream(Path.Combine(folderPath, myUniqueFileName), FileMode.Create, FileAccess.Write))
{
stream.WriteTo(file);
pdfViewer.BindPdf(PdfLabel);
pdfViewer.PrintDocument();
AddQ(PrinterName, file.Name);
}
}
}
return(RedirectToAction("Index"));
}
private bool CanEditPrinter(object param)
{
if (param == null)
{
return(false);
}
if (PrinterList == null || PrinterList.Count <= 0)
{
return(false);
}
if (PrinterList.Where(c => c.Id == ((Printer)param).Id).SingleOrDefault() == null)
{
return(false);
}
return(true);
}
public PrinterList print(bool isPrint, PrinterList printerList)
{
string error = null;
if (printerList == null)
{
error = "无可用打印数据";
printerList.printResult = 2;
printerList.errorMsg = error;
return(printerList);
}
if (CheckTools.isNull(printerList.templateFileName))
{
error = "打印模板名称不允许为空";
printerList.printResult = 2;
printerList.errorMsg = error;
return(printerList);
}
IDictionary <string, string> fixedField = null;
if (!CheckTools.isNull(printerList.printerJson))
{
try
{
fixedField = JsonConvert.DeserializeObject <IDictionary <string, string> >(printerList.printerJson);
}
catch (Exception e)
{
//Console.WriteLine("CallServiceThread序列化异常：" + e.Message);
error = e.Message;
}
}
IDictionary <string, DataTable> listField = null;
if (!CheckTools.isNull(printerList.printerListJson))
{
try
{
listField = JsonConvert.DeserializeObject <IDictionary <string, DataTable> >(printerList.printerListJson);
}
catch (Exception e)
{
//Console.WriteLine("CallServiceThread序列化异常：" + e.Message);
error = e.Message;
}
}
//序列化出错
if (error != null)
{
printerList.printResult = 2;
printerList.errorMsg = error;
return(printerList);
}
if ((fixedField == null || fixedField.Count == 0) && (listField == null || listField.Count == 0))
{
error = "打印模板内容参数printerJson或printerListJson不允许同时为空";
printerList.printResult = 2;
printerList.errorMsg = error;
return(printerList);
}
string filename;
int dot = printerList.templateFileName.IndexOf(".");
if (dot == -1)
{
filename = printerList.templateFileName;
printerList.templateFileName += ".xlsx";
}
else
{
filename = printerList.templateFileName.Substring(0, dot);
}
string exportOutFileName = filename + "_";
if (printerList.listId == null)
{
exportOutFileName += StaticUtil.ConvertDateTimeToTimestamp(printerList.requestTime);
}
else
{
exportOutFileName += printerList.listId;
}
try
{
string excelFileName = new ExcelUtil().TemplateExport(printerList.templateFileName, exportOutFileName, fixedField, listField);
if (printerList.command == null)
{
printerList.command = "print";
}
if (string.Equals("print", printerList.command, StringComparison.CurrentCultureIgnoreCase))
{
StaticUtil.Print(excelFileName);
}
//打印结果0待打印1打印成功2打印失败
printerList.printResult = 1;
printerList.errorMsg = "ACK";
}
catch (Exception e)
{
Console.WriteLine("CallServiceThread.ExcelUtil.TemplateExport异常" + e);
error = e.Message;
printerList.printResult = 2;
printerList.errorMsg = error;
}
return(printerList);
}