Python实现合成多张图片到PDF格式

pip install pillow

from PIL import Image
import os


def convert_img_pdf(filepath, output_path):
    """
    转换图片为pdf格式

    Args:
        filepath (str): 文件路径
        output_path (str): 输出路径
    """
    output = Image.open(filepath)
    output.save(output_path, "pdf", save_all=True)
    
    
if __name__ == "__main__":
    convert_img_pdf("1.jpeg", "./test.pdf")

output.save(pdfFilePath, "pdf", save_all=True, append_images=sources)

from PIL import Image
import os

def combine_imgs_pdf(folder_path, pdf_file_path):
    """
    合成文件夹下的所有图片为pdf

    Args:
        folder_path (str): 源文件夹
        pdf_file_path (str): 输出路径
    """
    files = os.listdir(folder_path)
    png_files = []
    sources = []
    for file in files:
        if 'png' in file or 'jpg' in file:
            png_files.append(folder_path + file)
    png_files.sort()

    output = Image.open(png_files[0])
    png_files.pop(0)
    for file in png_files:
        png_file = Image.open(file)
        if png_file.mode == "RGB":
            png_file = png_file.convert("RGB")
        sources.append(png_file)
    output.save(pdf_file_path, "pdf", save_all=True, append_images=sources)

if __name__ == "__main__":
    folder = r"G:\证件\\"
    pdfFile = r"G:\证件\身份证.pdf"
    combine_imgs_pdf(folder, pdfFile)