使用wkhtmltopdf创建PDF文件

参考资料：

https://stackoverflow.com/questions/33146021/generating-pdf-with-wkhtmltopdf-and-download-the-pdf#

https://github.com/topics/html-to-pdf

https://www.petrikainulainen.net/programming/spring-framework/spring-from-the-trenches-creating-pdf-documents-with-wkhtmltopdf/

http://www.laozhaimen.com/article/143508.html

使用wkhtmltopdf创建PDF文件

原文：https://www.cnblogs.com/yangcw/p/9038528.html