jar包:
jre jar包
mysql-connector-java;
hibernate必需的jar包
hibernate配置文件:
Product.hbm.xml
hibernate.cfg.xml
[程序目录结构]
Product.java:
package com.ly.pojo;
public class Product {
int id;
String name;
float price;
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;
}
public float getPrice() {
return price;
}
public void setPrice(float price) {
this.price = price;
}
@Override
public String toString() {
return "Product [id=" + id + ", name=" + name + ", price=" + price + "]";
}
}
TestHibernate.java
package com.ly.pojo;
import java.util.List;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
public class TestHibernate {
public static void main(String[] args) {
// TODO Auto-generated method stub
//获取SessionFactory
SessionFactory sf = new Configuration().configure().buildSessionFactory();
//通过SessionFactory获取一个session
Session s = sf.openSession();
//开启一个事务
s.beginTransaction();
Product p =new Product();
p.setName("iphone");
p.setPrice(7000);
s.save(p);
// 提交事务
s.getTransaction().commit();
//关闭session
s.close();
//关闭SessionFactory
sf.close();
}
}
Product.hbm.xml
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping package="com.ly.pojo">
<class name="Product" table="product">
<id name="id" column="id">
<generator class="native"><!-- 意味着id的自增长方式采用数据库的本地方式 -->
</generator>
</id>
<property name="name" column="name" />
<property name="price" column="price"/>
</class>
</hibernate-mapping>
hibernate.cfg.xml
<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="connection.url">jdbc:mysql://localhost:3306/test?characterEncoding=UTF-8</property>
<property name="connection.username">root</property>
<property name="connection.password">123456</property>
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
<property name="show_sql">true</property>
<property name="current_session_context_class">thread</property>
<property name="hbm2dll.auto">update</property>
<mapping resource="com/ly/pojo/Product.hbm.xml"/>
</session-factory>
</hibernate-configuration>