1、新建Web Project工程
2、导入所需jar包
3、Student.java
[java]
package com.itmyhome;
import javax.persistence.Entity;
import javax.persistence.Table;
@Entity
@Table(name="T_STUDENT")
public class Student extends BizEntity{
private String name;
private String score;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getScore() {
return score;
}
public void setScore(String score) {
this.score = score;
}
}
package com.itmyhome;
import javax.persistence.Entity;
import javax.persistence.Table;
@Entity
@Table(name="T_STUDENT")
public class Student extends BizEntity{
private String name;
private String score;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getScore() {
return score;
}
public void setScore(String score) {
this.score = score;
}
}
Teacher.java
[java]
package com.itmyhome;
import javax.persistence.Entity;
import javax.persistence.Table;
@Entity
@Table(name="T_TEACHER")
public class Teacher extends BizEntity{
private String name;
private String title;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
}
package com.itmyhome;
import javax.persistence.Entity;
import javax.persistence.Table;
@Entity
@Table(name="T_TEACHER")
public class Teacher extends BizEntity{
private String name;
private String title;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
}
BizEntity.java
[java]
package com.itmyhome;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import org.hibernate.annotations.GenericGenerator;
public class BizEntity {
private String id;
@Id @GeneratedValue(strategy=GenerationType.AUTO,generator="bizGenerator")
@GenericGenerator(strategy = "uuid", name = "bizGenerator")
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
}
package com.itmyhome;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import org.hibernate.annotations.GenericGenerator;
public class BizEntity {
private String id;
@Id @GeneratedValue(strategy=GenerationType.AUTO,generator="bizGenerator")
@GenericGenerator(strategy = "uuid", name = "bizGenerator")
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
}
BizEntity.java是所有实体类的父类，id自动生成策略为uuid
4、hibernate.hbm.xml
[html]
< xml version="1.0" >
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">