1. # pip install PyMuPDF
    2. # 安装PyMuPDF才能用fitz
    3. import fitz
    5. def PDF2Img(pdfFile, imgFile):
    6.     doc = fitz.open(pdfFile)
    7.     page = doc.loadPage(0)  # PDF页数
    8.     pix = page.getPixmap()
    9.     pix.writePNG(imgFile)    #保存