如何通过Java API在Google云端硬盘中添加页眉/页脚？

Question

I converting HTML file to PDF via Google Drive Service. I want to add Header and Footer on pages. How can do that using Java Google Drive API?

PS: If there is not proper way than any workaround would be appreciated.

Answer 1

I don't think you can do this directly using Google Drive API. If you are fine with some workaround, I would use Google Apps Script FooterSection Class :

1. Upload file using Files.insert() with option convert=true
2. Either trigger or keep running script on specific folder which does the following:
3. Modify Footer using FooterSection Class
4. Export Google Document file as PDF

In order to export PDF, there are two ways I can think of.

Using Document Class of Apps script

doc.getAs("application/pdf") 

Or getting export link of PDF from Google Drive API using Files.list() where you can get downloadable link for PDF.

"exportLinks": {
    "application/pdf": "https://docs.google.com/feeds/download/spreadsheets/Export?key={FILE_KEY}&exportFormat=pdf",
    "application/x-vnd.oasis.opendocument.spreadsheet": "https://docs.google.com/feeds/download/spreadsheets/Export?key={FILE_KEY}&exportFormat=ods",
    "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet": "https://docs.google.com/feeds/download/spreadsheets/Export?key={FILE_KEY}&exportFormat=xlsx"
   },