如何单独指定积分号的字体

[shaodongtang]

\usepackage[参数]{varint}%mathabx,kepler,fourier,mathdesign,uppi

varint宏包（by 李清）下载地址
https://code.google.com/archive/p/sobenlee/source

参考http://www.latexstudio.net/archives/771.html