Exception:Neither BindingResult nor plain target object for bean name 'trainingmanagementseacherPage' available as request attribute

Exception:Neither BindingResult nor plain target object for bean name 'trainingmanagementseacherPage' available as request attribute

异常:bean名'trainingmanagementseacherPage'的BindingResult和普通目标对象都不能作为请求属性使用

可能是后台路径格式错误