springboot + springboot security + security thymeleaf控制按钮

参考：

• https://blog.csdn.net/qq_41967899/article/details/89024942
• https://blog.csdn.net/qincidong/article/details/76126060

来源：oschina

链接：https://my.oschina.net/u/3086656/blog/4282923