javaweb开发之防止表单重复提交 - u012843873的博客 - CSDN博客
https://blog.csdn.net/u012843873/article/details/55262128
Handling duplicate form submission in Spring MVC – Mkyong.com
http://www.mkyong.com/spring-mvc/handling-duplicate-form-submission-in-spring-mvc/
ASP.NET MVC：4 Ways To Prevent Duplicate Form Submission（转载） - 幸福框架 - 博客园
http://www.cnblogs.com/happyframework/p/3633775.html
Handling duplicate form submission in Spring MVC
原文：https://www.cnblogs.com/rgqancy/p/10443207.html