import pdfplumber
from PIL import Image
from pikepdf import Pdf, Page, Rectangle
from PyPDF2 import PdfMerger, PdfReader

def pdf_to_image(pdf_path):
with pdfplumber.open(pdf_path) as pdf:
# 获取首页
page = pdf.pages[0]
# 将首页转换为图像
image = page.to_image(resolution=300)
# 保存图像
image_path = '001_0.png'
image.save(image_path, 'PNG')

pdf_path = '001.pdf'
pdf_to_image(pdf_path)

obj_img = Image.open('001_0.png')
obj_img.save('001_0.pdf', 'PDF', resolution=100.0, save_all=True)

pdfs = ['dan.pdf', '001_0.pdf']
merger = PdfMerger()
for pdf in pdfs:
with open(pdf, 'rb', ) as f:
merger.append(PdfReader(f, 'rb'))
merger.write('merged.pdf')

pdf = Pdf.open('merged.pdf')

destination_page = Page(pdf.pages[0])

thumbnail = Page(pdf.pages[1])

destination_page.add_overlay(thumbnail, Rectangle(100, 150, 600, 750))

pdf.save("page1_with_page2_thumbnail.pdf")