jpa中@JoinColumn使用出错。
Employee类代码:
package com.yunkouan.jpatest;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
@Entity
public class Employee {
@Id
private int id;
private String name;
@ManyToOne
@JoinColumn(name="dept_id",referencedColumnName="id")
private Department dept;
}
Department代码:
package com.yunkouan.jpatest;
import javax.persistence.Entity;
import javax.persistence.Id;
@Entity
public class Department {
@Id private int id;
private String der_name;
}