代码

from PIL import Image
import os

def create_img_pdf(file_name,ouput_pdf):
    page = Image.new('RGB', (2480, 3508), 'white')
    image=Image.open(file_name)
    i_w,i_h=image.size
    if i_w>i_h:
        i_n_w=2000
        i_n_h=int(i_h*2000/i_w)
    else:
        i_n_h=3000
        i_n_w=int(i_w*3000/i_h)
    n_img=image.resize((i_n_w,i_n_h))
    page.paste(n_img,(100,100))
    page.save(ouput_pdf,"PDF", resolution=100.0)

create_img_pdf("./image/2.jpg","op.pdf")