Spring小总结

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静态注入

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@Service
public class Teacher {

    public static Student getStudent(Teacher teacher) {
        return teacher.student;
    }

    @Autowired// 无论属性是否 public/private/省略   【属性不可加 static，@Autowired不可省略】
    private Student student;

    // private Student student;
    // @Autowired// 无论setter public/private，   无论属性是否 static，   【setter方法不可加 static，@Autowired不可省略】
    // public void setStudent(Student student) { this.student = student; }

    // private static Student student;
    // @Autowired// 无论构造 public/private，   无论构造上面是否要加@Autowired，   无论属性是否 static
    // private Teacher(Student student) { this.student = student; }
    
    // 总结于 2023-06-26 10:36:22
}