优化后的标题：在模型属性后立即声明Errors或BindingResult参数的重要性及最佳实践

篇首语：本文由编程笔记#小编为大家整理，主要介绍了An Errors/BindingResult argument is expected to be declared immediately after the model attribute, t相关的知识，希望对你有一定的参考价值。

报错信息：

An Errors/BindingResult argument is expected to be declared immediately after the model attribute, the @RequestBody or the @RequestPart arguments to which they apply: public com.rongrong.springboot.demo.domain.Student com.rongrong.springboot.demo.controller.StudentController.studentAddByParam(java.lang.String,java.lang.Integer,java.lang.String,java.lang.String,org.springframework.validation.BindingResult)

处理方法:BindingResult 要跟在实体类之后,
如:

参考链接：https://blog.csdn.net/qq_28643817/article/details/98492052