hibernate one2one 联合主键关联 composite key

package com.bjsxt.hibernate;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.JoinColumns;
import javax.persistence.OneToOne;
import javax.persistence.PrimaryKeyJoinColumn;

@Entity
public class Husband {
private int id;
private String name;
private Wife wife;
@Id
@GeneratedValue
public int getId() {
return id;
}

public String getName() {
return name;
}

//@JoinColumn(name="wife_id")
@OneToOne
@JoinColumns(        //这里要先 onetoone 不joinColumns 先生成关联  然后才能进行改名字的操作
{
@JoinColumn(name="wifeId",referencedColumnName="id"),                                 
@JoinColumn(name="wifeName",referencedColumnName="name")
}

)
public Wife getWife() {
return wife;
}
public void setId(int id) {
this.id = id;
}
public void setName(String name) {
this.name = name;
}
public void setWife(Wife wife) {
this.wife = wife;
}

}

 

 

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package com.bjsxt.hibernate;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.IdClass;
import javax.persistence.JoinColumn;
import javax.persistence.JoinColumns;
import javax.persistence.OneToOne;

@Entity
@IdClass(WifePK.class)
public class Wife {
@Id
private int id;
@Id
private String name;
private String age;


public String getAge() {
return age;
}
public void setAge(String age) {
this.age = age;
}

public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}

}

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package com.bjsxt.hibernate;

public class WifePK {
private int id;
private String name;

public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}

}

转载于:https://www.cnblogs.com/lize1215/p/7641018.html