However, since PDF files are preferred formats in many settings, you'll be required to do some editing with a PDF reader. Here, we'll show you one of the basic skills in PDF document editing - how to add a page to a PDF file. How to Add Pages to PDF Files with WPS Office If y...
page.getContext('2d').putImageData(ctx.getImageData(0,renderedHeight,canvas.width,Math.min(imgHeight,canvas.height-renderedHeight)),0,0); //添加图像到页面,保留10mm/20mm边距 pdf.addImage(page.toDataURL('image/jpeg',1.0),'JPEG',10,20,a4w,Math.min(a4h,a4w*page.height/page.width)); /...
importorg.apache.pdfbox.pdmodel.PDDocument;importorg.apache.pdfbox.pdmodel.PDPage;importorg.apache.pdfbox.pdmodel.PDPageContentStream;importorg.apache.pdfbox.pdmodel.font.PDFont;importorg.apache.pdfbox.pdmodel.font.PDType1Font;importjava.io.File;importjava.io.IOException;publicclassAddHeaderToPDF{public...
gs -dBATCH -dNOPAUSE -sDEVICE=pdfwrite -sOutputFile=output.pdf -c "newpath /Helvetica-Bold findfont 36 scalefont setfont 0.5 setgray 200 200 moveto (Watermark) show showpage" original.pdf 上述命令中,-sDEVICE=pdfwrite 表示输出为 PDF 文件;-sOutputFile=output.pdf 表示输出文件名为 output.p...
Step 1: Take this File as an example. Pop the Page tab, then click the Insert/Add pages drop-down menu. Step 2: Now, we can choose to insert/add a Blank page. Its shortcut key is Ctrl+Alt+I. Step 3: In the popup dialog box, we can set the new page's size, direction, num...
利用 PdfPageBase.getCanvas().drawLine() 方法在页面上方的空白区域绘制一条线。通过 PdfImage.fromFile() 方法加载图片。使用 PdfPageBase.getCanvas().drawImage() 方法将图片绘制到页面上方的空白区域。创建一个 PdfCreationDateField 对象，用以反映文档的创建时间。使用 PdfCreationDateField.draw() 方法将文档...
;publicoverridestringFileName {get;set; }///Summary://Gets or Sets attachment's icon.publicPdfAttachmentIcon Icon {get;set; }protectedoverridevoidInitialize();protectedoverridevoidSave(); } } 代码段: //加载PDF文档PdfDocument doc =newPdfDocument("Test.pdf");//给文档添加一个新页面PdfPageBase...
Delete a page Use the Delete Pages option to remove unwanted pages from the final PDF. Select the thumbnail for page 1 and click the Delete Pages option to delete the selected page. Click OK to confirm that you want to delete this page. 5 Add a new page from an existing file You can...
Delete a page Use the Delete Pages option to remove unwanted pages from the final PDF. Select the thumbnail for page 1 and click the Delete Pages option to delete the selected page. Click OK to confirm that you want to delete this page. 5 Add a new page from an existing file You can...
file_writer.addPage(file_reader.getPage(page))withopen("D:\\pdffiles\\合并.pdf",'wb')asout:file_writer.write(out) PDF旋转 代码语言:javascript 代码运行次数:0 运行 AI代码解释 # 旋转pdf,只能按照90度的倍数旋转 from PyPDF2importPdfFileReader,PdfFileWriter ...