https://www.osgeo.cn/openpyxl/index.html
openpyxl-一个Python库，用于读/写excel2010 xlsx/xlsm文件
https://openpyxl.readthedocs.io/en/stable/
openpyxl - A Python library to read/write Excel 2010 xlsx/xlsm files
http://www.python-excel.org/
Working with Excel Files in Python
http://pythonhosted.org/PyPDF2/
打不开
https://python-docx.readthedocs.io/en/latest/
word
https://python-pptx.readthedocs.io/en/latest/
ppt