Miss_SquarePants的博客

父类image类package com.java1234.model;public class Image { private int id; private String imageName; private Student student; public Student getStudent() { return student; } public void setStudent(Student student) { this.student = student;.

添加discriminator标签，xml有小红叉解决办法：discriminator紧跟id标签后面，property前subclass放在many-to-one后原来hibernate映射文件标签也是讲究顺序的啊