python pptx导出img (png、jpeg)

from pptx import Presentation
from PIL import Image

def pptx_to_images(pptx_file):
    prs = Presentation(pptx_file)
    slide_num = 0

    for slide in prs.slides:
        slide_num += 1
        slide_name = f"slide{slide_num}.png"
        slide.export(slide_name)

def export_pptx_as_images(pptx_file):
    pptx_to_images(pptx_file)

    # Convert images to desired format (e.g., jpeg)
    for slide_num in range(1, len(prs.slides) + 1):
        image_name = f"slide{slide_num}.png"
        image = Image.open(image_name)
        image.save(f"slide{slide_num}.jpeg", "JPEG")
        image.close()

    # Clean up temporary png files
    for slide_num in range(1, len(prs.slides) + 1):
        image_name = f"slide{slide_num}.png"
        os.remove(image_name)

# 使用示例
pptx_file = "example.pptx"
export_pptx_as_images(pptx_file)