1. 添加密码
from PyPDF2 import PdfReader, PdfWriter
# 加密
读PDF = PdfReader('./练习文件/带水印的笔记.pdf')
写PDF = PdfWriter()
for 页 in range(len(读PDF.pages)):
写PDF.add_page(读PDF.pages[页])
写PDF.encrypt("1234")
with open('./结果文件/带密码的笔记.pdf', 'wb') as f:
写PDF.write(f)
2. 取消设置的密码
from PyPDF2 import PdfReader, PdfWriter
# 解密
读PDF = PdfReader('./结果文件/带密码的笔记.pdf')
读PDF.decrypt("1234")
写PDF = PdfWriter()
for 页 in range(len(读PDF.pages)):
写PDF.add_page(读PDF.pages[页])
with open('./结果文件/带密码的笔记.pdf', 'wb') as f:
写PDF.write(f)
