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我在StudentController中有一个方法叫做addStudent(student); 但是我已经看到，当我这样写并将鼠标指向 addStudent(student) 的顶部时；sts 曾经这样问 create addStudent(student); 在学生服务中。但现在我看不到我必须为 addStudent(student) 手动编写代码；在 StudentService 这背后的原因是什么？
