java开发BeanUtils类解决实体对象间赋值

<dependency>
    <groupId>commons-beanutils</groupId>
    <artifactId>commons-beanutils</artifactId>
    <version>1.9.4</version>
</dependency>

@Data
public class StudentVo {
    private String sno;
    private String sname;
    private Integer ranking;
    private String schoolTerm;

    public String toString(){
        return "studentVo对象的值  sno:"+getSno()+" sname:"+getSname()+" ranking:"+getRanking().toString()+" schoolTerm:"+getSchoolTerm();
    }
}
@Data
public class StudentEntity {
    private String sno;
    private String sname;
    private Integer sage;

    public String toString(){
        return "studentEntity对象的值 sno:"+getSno()+" sname:"+getSname()+" sage:"+getSage();
    }
}
@Data
public class RankingEntity {
    private String sno;
    private Integer ranking;
    private String schoolTerm;

    public String toString(){
        return "rankingEntity对象的值 学号："+getSno()+" 名次："+getRanking().toString()+" 学期："+getSchoolTerm();
    }
}

public class App 
{
    public static void main( String[] args ) throws InvocationTargetException, IllegalAccessException {
        StudentVo studentVo = new StudentVo();
        studentVo.setSno("1");
        studentVo.setRanking(20);
        studentVo.setSname("胡成");
        studentVo.setSchoolTerm("第三学期");

        System.out.println(studentVo.toString());
        StudentEntity studentEntity = new StudentEntity();

        BeanUtils.copyProperties(studentEntity,studentVo);
        System.out.println(studentEntity.toString());

        RankingEntity rankingEntity = new RankingEntity();
        BeanUtils.copyProperties(rankingEntity,studentVo);
        System.out.println(rankingEntity.toString());
    }
}