读取Excel有两种方法。一种是将后缀名改成格式进行提取，一种是通过模块对Excel进行图片复制与保存。Word提取图片方法和通过提取方法类似，PDF提取图片方法要用到专门的模块。这篇文章里只对PDF和Word的提取方法展开讲解，Excel 的读取方法类似，可参见代码。

Python has established a prominent place in the realm of the world’s most widely used programming languages, aptly so. This popularity stems from Python’s versatility, ease of understanding, and its ...