使用模版的时候，出错：Putting a context variable with name "param" is forbidden
model.addAttribute("param", "hello,spring boot thymeleaf");
规定了关键字，param不能作为参数传递出去；
使用模版的时候，出错：Putting a context variable with name "param" is forbidden
model.addAttribute("param", "hello,spring boot thymeleaf");
规定了关键字，param不能作为参数传递出去；
![tomcat 配置账户 --解决403 Access Denied[图]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)