c# - 使用 MvcRazorToPdf 显示页码

Question

我正在尝试在我的项目中使用此包，并希望显示页码。Document 对象上有一个具有 PageNumber 但是的属性。我不知道如何从视图中访问它

当前代码：

PrintManager prntManager = new PrintManager();
var data = prntManager.ObjectToPdf(item, para);
byte[] pdf = null;

pdf = ControllerContext.GeneratePdf(prntManager.CreateController<PrintingController>(), data, prntManager.ReportToView(para.Export.Report.Code));   

HttpContext.Current.Response.AppendHeader("Export-Location", prntManager.GeneratePdf(pdf));

Answer 1

如果有人有同样的问题，这是我的解决方案：

PrintManager prntManager = new PrintManager();
var data = prntManager.ObjectToPdf(item, para);
byte[] pdf = null;
var cfg = new Action<iTextSharp.text.pdf.PdfWriter,iTextSharp.text.Document>((writer, document) =>
{
    writer.PageEvent = new StandardPrintHelper();
    document.NewPage();
});

pdf = ControllerContext.GeneratePdf(prntManager.CreateController<PrintingController>(), data, prntManager.ReportToView(para.Export.Report.Code), cfg);   

HttpContext.Current.Response.AppendHeader("Export-Location",
    prntManager.GeneratePdf(pdf));

标准打印助手：

public class StandardPrintHelper : iTextSharp.text.pdf.PdfPageEventHelper
{
    public override void OnEndPage(PdfWriter writer, Document document)
    {
        ColumnText.ShowTextAligned(writer.DirectContent, Element.ALIGN_CENTER, new Phrase(writer.PageNumber.ToString()), 500, 140, 0);
    }
}