public override bool Equals(object o)
{
if (!(o is FileInfo))
{
return(false);
}
var v = o as FileInfo;
if (!StartTime.Equals(v.StartTime))
{
return(false);
}
if (!EndTime.Equals(v.EndTime))
{
return(false);
}
if (!PrintState.Equals(v.PrintState))
{
return(false);
}
if (!JobId.Equals(v.JobId))
{
return(false);
}
if (!Name.Equals(v.Name))
{
return(false);
}
return(true);
}
private async void BeforePrint()
{
try
{
Progress<PrintProgressValue> progress = new Progress<PrintProgressValue>();
progress.ProgressChanged += (sender, args) =>
{
this.progress.Maximum = args.MaxValue;
this.progress.Value = args.CurrentValue;
this.lbl_Info.Content = string.Format("当前正发送第 {0} 个数据，共 {1} 个数据"
, args.CurrentValue, args.MaxValue);
};
await TaskEx.Delay(2);//等待2秒，显示UI
await TaskEx.Run(() =>
{
//标识打印状态
printState = PrintState.开始打印;
BeginPrint(progress);
});
btn_QuitOrChanel.Content = "关 闭";
lbl_Info.Content = isCancel ? "打印已取消" : "打印已完成";
if (isCancel) this.Close();//如果是点击的取消则退出界面，如果是打印正常完成则停留在此界面
}
catch (Exception ex)
{
ModernDialog.ShowMessage(ex.Message, "消息", MessageBoxButton.OK);
}
}
public static void Send(PrintState state, string message)
{
Console.ForegroundColor = _printColors[(int)state];
Console.Write("[" + state.ToString() + "]: ");
Console.ForegroundColor = ConsoleColor.White;
Console.Write(message + "\n");
}
public Printer()
{
PaperOffState = new PaperOffState(this);
PowerOffState = new PowerOffState(this);
PrintState = new PrintState(this);
WaitingState = new WaitingState(this);
_state = WaitingState;
}
private void PrintDocumentOnPrintPage(PrintPageEventArgs e, PrintState state)
{
var destinationRect = new RectangleF(
x: e.Graphics.VisibleClipBounds.X * e.Graphics.DpiX / 100.0f,
y: e.Graphics.VisibleClipBounds.Y * e.Graphics.DpiY / 100.0f,
width: e.Graphics.VisibleClipBounds.Width * e.Graphics.DpiX / 100.0f,
height: e.Graphics.VisibleClipBounds.Height * e.Graphics.DpiY / 100.0f);
using PdfPage page = state.Document.OpenPage(state.CurrentPageIndex);
page.RenderTo(e.Graphics, destinationRect);
e.HasMorePages = state.AdvanceToNextPage();
}
public void Print(Stream pdfStream, string printerName)
{
if (pdfStream == null)
{
throw new ArgumentNullException(nameof(pdfStream));
}
PdfDocument document = PdfDocument.Open(pdfStream);
_logger.LogInformation($"Printing PDF containing {document.PageCount} page(s) to printer '{printerName}'");
using var printDocument = new PrintDocument();
printDocument.PrinterSettings.PrinterName = printerName;
var state = new PrintState(document);
printDocument.PrintPage += (_, e) => PrintDocumentOnPrintPage(e, state);
printDocument.Print();
}
private void BeginPrint(IProgress<PrintProgressValue> progress)
{
Services.NewStudentIdServicesClient service = new Services.NewStudentIdServicesClient();
LocalPrintServer lps = new LocalPrintServer();
PrintQueue pq = lps.DefaultPrintQueue;
try
{
PrintProgressValue progressValue = new PrintProgressValue();
progressValue.MaxValue = printDataTable.Rows.Count;
foreach (DataRow dr in printDataTable.Rows)
{
//标识开始打印状态
printState = PrintState.正在打印;
//如果点击了取消则退出打印循环
if (isCancel) break;
pq.Refresh();
//控制打印机任务最多只能有2个
while (pq.NumberOfJobs > 1 &!isCancel)
{
pq.Refresh();
}
DataTable dt = printDataTable.Clone();
dt.TableName = "Student";
dt.ImportRow(dr);
//dr["打印状态"] = "正在打印";
//获取学生照片
Byte[] bytes = service.GetStudentImage(dr["考生号"].ToString());
if (bytes != null)
{
MemoryStream ms = new MemoryStream();
ms.Write(bytes, 0, bytes.Length);
//打印照片
PrintHelper.Print(dt, templateFile, ms);
}
else PrintHelper.Print(dt, templateFile);
//更新数据库
NewStudentIdModel model = service.GetModelById(int.Parse(dr["ID"].ToString()));
if (model.DYXH == 0)
{
//设置打印序号
model.DYXH = service.GetMaxPrintNum(int.Parse(SystemConfig.CurrentYear)) + 1;
}
//3表示通知书和邮寄单都打印
switch (printType)
{
case PrintType.通知书打印:
{
if (model.DYBZ != 1 || model.DYBZ != 3)
model.DYBZ = ((int)printType) + model.DYBZ;
}; break;
case PrintType.邮寄单打印:
{
if (model.DYBZ != 2 || model.DYBZ != 3)
model.DYBZ = ((int)printType) + model.DYBZ;
}; break;
}
service.NewStudentIdUpdate(model);
if (progress != null)
{
progressValue.CurrentValue++;
progress.Report(progressValue);
}
}
//dr["打印状态"] = "打印完成";
}
finally
{
//标识开始打印状态
printState = PrintState.完成打印;
service.Close();
}
}
/**
Set listener to print in ui
*/
public void setListener(PrintState listener)
{
printListener = listener;
}
