问使用命令行工具将pdf a4拆分为a5

EN

var _readerGlobal = new PdfReader(@"c:\temp\bicicleta.pdf");
MemoryStream _thePdfFile = new MemoryStream();

var _documentGlobal = new Document(PageSize.A5, 50, 50, 50, 50);

var _writerGlobal = PdfWriter.GetInstance(_documentGlobal, _thePdfFile);
_writerGlobal.SetFullCompression();

_documentGlobal.Open();

var _cbGlobal = _writerGlobal.DirectContent;
PdfImportedPage page1 = _writerGlobal.GetImportedPage(_readerGlobal, 1);
_cbGlobal.AddTemplate(page1, 1f, 0, 0, 1f, 0, 0);

_documentGlobal.CloseDocument();

var _pdfBytes = _thePdfFile.ToArray();
File.WriteAllBytes(@"c:\temp\bicicletaA5.pdf", _pdfBytes);