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@Id
@GeneratedValue(generator = "paymentableGenerator")
@GenericGenerator(name = "paymentableGenerator", strategy = "assigned")
@Column(name="impId")
这个改一下,是 @Column(name="aid")
package com.zrc.blog.model;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import org.hibernate.annotations.GenericGenerator;
@Entity
public class A {
private String aid;
private String aName;
@Id
@GeneratedValue(generator = "paymentableGenerator")
@GenericGenerator(name = "paymentableGenerator", strategy = "assigned")
@Column(name="impId")
public String getAid() {
return aid;
}
public void setAid(String aid) {
this.aid = aid;
}
public String getaName() {
return aName;
}
public void setaName(String aName) {
this.aName = aName;
}
}
package com.zrc.blog.model;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
@Entity
public class B {
private int bid;
private String bname;
private A aid;
@ManyToOne
@JoinColumn(name = "aid",nullable = false)
public A getAid() {
return aid;
}
public void setAid(A aid) {
this.aid = aid;
}
@Id
@GeneratedValue
public int getBid() {
return bid;
}
public void setBid(int bid) {
this.bid = bid;
}
public String getBname() {
return bname;
}
public void setBname(String bname) {
this.bname = bname;
}
}