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利用Pypdf2來切割PDF檔

# pypdf2_ex1.py
import os
from PyPDF2 import PdfFileWriter, PdfFileReader
 
pdfReader = PdfFileReader(open("2002_Book_Real-WorldASPNETBuildingAConte.pdf", "rb"))
information = [("WhatIsCMS",18,45)]
 
for page in range(len(information)):
    pdf_writer = PdfFileWriter()
    start = information[page][1]
    end = information[page][2]
    while start<=end:
        pdf_writer.addPage(pdfReader.getPage(start-1))
        start+=1
    if not os.path.exists("./"):
        os.makedirs(savepath)
    output_filename = '{}_{}_page_{}.pdf'.format(information[page][0],information[page][1], information[page][2])
    with open(output_filename,'wb') as out:
        pdf_writer.write(out)

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