The pptx file in the new version of Office is just a bunch of materials packed into a zip package. Once you unzip it, you can see what's inside.
For more complex applications, you can look at the OpenOffice SDK, which has relatively complete parsing functions for various Office files.
The pptx file in the new version of Office is just a bunch of materials packed into a zip package. Once you unzip it, you can see what's inside.
For more complex applications, you can look at the OpenOffice SDK, which has relatively complete parsing functions for various Office files.
Libreoffice or openoffice can support command line and client/server mode call conversion
An open source java library: jodconverter