iTextSharp.dll生成pdf 实战实例

https://blog.csdn.net/plean/article/details/8097015

https://www.itdaan.com/blog/2014/07/12/345f3439748cd1c990c7cac3f12e7a2a.html

https://blog.csdn.net/wangchaoqi1985/article/details/81585204