Hibernate框架增删改查
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互联网集市收集整理的这篇技术教程文章主要介绍了Hibernate框架增删改查，小编现在分享给大家，供广大互联网技能从业者学习和参考。文章包含3537字，纯文字阅读大概需要6分钟。
内容图文
1
package
cn.happy.util;
2
3
import
org.hibernate.Session;
4
import
org.hibernate.SessionFactory;
5
import
org.hibernate.cfg.Configuration;
6
7
/**
8
* 1.1用于生产session对象的工具类
9
*/
10
public
class
HibernateUtil {
11
private
static Configuration cfg=new Configuration().configure();
12privatestatic SessionFactory factory=cfg.buildSessionFactory();
13//方法返回session14publicstatic Session getsession(){
15return factory.openSession();
16 }
17//关闭session18publicstaticvoid closeSession(){
19 getsession().close();
20 }
2122 }
1
package
cn.happy.entity;
2
/**
3
* 实体类
4
*
@author
Administrator
5
*
6
*/
7
public
class
Student {
8
private
Integer id;
9
private
String name;
10
private
Integer age;
11
12
@Override
13
public
String toString() {
14
return "Student [id=" + id + ", name=" + name + ", age=" + age + "]";
15 }
16public Integer getId() {
17return id;
18 }
19publicvoid setId(Integer id) {
20this.id = id;
21 }
22public String getName() {
23return name;
24 }
25publicvoid setName(String name) {
26this.name = name;
27 }
28public Integer getAge() {
29return age;
30 }
31publicvoid setAge(Integer age) {
32this.age = age;
33 }
3435 }
1
package
cn.happy.test;
2
3
import
org.hibernate.SessionFactory;
4
import
org.hibernate.Transaction;
5
import
org.hibernate.cfg.Configuration;
6
import
org.hibernate.classic.Session;
7
import
org.junit.Test;
8
9
import
cn.happy.entity.Student;
10
/**
11
* 增加
12
*
@author
Administrator
13
*
14
*/
15
public
class
addTest {
16
@Test
17
public
void
addtest(){
18 Student stu=new Student();
19 stu.setId(1);
20 stu.setName("张三");
21 stu.setAge(18);
22 Configuration cf=new Configuration().configure("hibernate.cfg.xml");
23 SessionFactory factory = cf.buildSessionFactory();
24 Session session = factory.openSession();
25 Transaction tx = session.beginTransaction();
26//保存27 session.save(stu);
28 tx.commit();
29 session.close();
30 }
313233 }
1
package
cn.happy.test;
2
3
import
org.hibernate.Session;
4
import
org.hibernate.Transaction;
5
import
org.junit.Test;
6
7
import
cn.happy.entity.Student;
8
import
cn.happy.util.HibernateUtil;
9
/**
10
* 删除
11
*
@author
Administrator
12
*
13
*/
14
public
class
delTest {
15
@Test
16
public
void
deltest(){
17 Session session = HibernateUtil.getsession();
18 Student stu=new Student();
19 stu.setId(1);
20 Transaction tx = session.beginTransaction();
21 session.delete(stu);
22 tx.commit();
23 HibernateUtil.closeSession();
24 System.out.println("del ok!");
25 }
2627 }
1
package
cn.happy.test;
2
3
import
org.hibernate.Session;
4
import
org.hibernate.Transaction;
5
import
org.junit.Test;
6
7
import
cn.happy.entity.Student;
8
import
cn.happy.util.HibernateUtil;
9
/**
10
* 查询
11
*
@author
Administrator
12
*
13
*/
14
public
class
getTest {
15
@Test
16
public
void
gettest()
17
{
18 Session session = HibernateUtil.getsession();
19 Student stu=(Student)session.get(Student.class, 1);
20 Transaction tx=session.beginTransaction();
21 System.out.println(stu);
22 }
2324 }
package
cn.happy.test;
import
org.hibernate.Session;
import
org.hibernate.Transaction;
import
org.junit.Test;
import
cn.happy.entity.Student;
import
cn.happy.util.HibernateUtil;
/**
* 修改
*
@author
Administrator
*
*/
public
class
updateTest {
@Test
public
void
updatetest(){
Session session = HibernateUtil.getsession();
Student stu=(Student)session.load(Student.class,1);
stu.setName("李短");
Transaction tx=session.beginTransaction();
session.update(stu);
tx.commit();
HibernateUtil.closeSession();
System.out.println("ok");
}
}
原文：http://www.cnblogs.com/1And0/p/5815178.html
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