关于PDFObject，大家可以阅读这个文档：https://pdfobject.com/
具体代码如下：

<div id="example1"></div>
<script src="/js/pdfobject.js"></script>
<script>PDFObject.embed("/pdf/sample-3pp.pdf", "#example1");</script>

pdfobject.js文件链接 https://github.com/pipwerks/PDFObject/