def img2pdf(img_files, name):
doc = fitz.open()
for file in img_files:
page = doc.new_page()
img_doc = fitz.open(file)
pdf_bytes = img_doc.convert_to_pdf()
img_pdf = fitz.open("pdf", pdf_bytes)
img_rect = img_pdf.page_cropbox(0)
#调整大小
page.set_mediabox(fitz.Rect(0, 0, 1000, img_rect.y1 / img_rect.x1 * 1000))
r = fitz.Rect(0, 0, page.rect.width, page.rect.height)
page.show_pdf_page(r, img_pdf, 0, rotate=0)
doc.save(name)
doc.close()