[Python知识库]Python 实现 pdf转图片 和 图片转pdf

1.所需要的环境和工具包

PyMuPDF,reportlab,PIL

import os
import sys
import fitz
from reportlab.lib.pagesizes import portrait
from reportlab.pdfgen import canvas
from PIL import Image

2. pdf转图片

def pdf2img(filename):
	#  打开PDF文件，生成一个对象
	doc = fitz.open(filename)
	print("共",doc.pageCount,"页")
	for pg in range(doc.pageCount):
		print("\r转换为图片",pg+1,"/",doc.pageCount,end="")
		page = doc[pg]
		rotate = int(0)
		# 每个尺寸的缩放系数为8，这将为我们生成分辨率提高64倍的图像。一般设为2
		zoom_x = 8.0
		zoom_y = 8.0
		trans = fitz.Matrix(zoom_x, zoom_y).preRotate(rotate)
		pm = page.getPixmap(matrix=trans, alpha=False)
		pm.writePNG(filename+'_tu'+'{:02}.png' .format(pg))
	print()

if __name__ == '__main__':
    filename='0.pdf'
    pdf2img(filename)

3.图片转pdf

def img2pdf(img_name,outputpath):
	(maxw, maxh) = Image.open(img_name).size
	c = canvas.Canvas(outputpath, pagesize=portrait((maxw, maxh)))
	c.drawImage(img_name, 0, 0, maxw, maxh)
	c.showPage()
	c.save()

if __name__ == "__main__":
	img2pdf(img_name='E:\wm_workspace\pdf2img\data\实习证明.png',outputpath='E:\wm_workspace\pdf2img\data\实习证明.pdf')
	print("\n转换完成！")