hibernate开发步骤

hibernate开发步骤

1.导入jar包到WebRoot/WEB-INF/lib文件夹下

2.编写配置文件hibernate.cfg.xml

<hibernate-configuration>

<session-factory>

<property name="dialect">org.hibernate.dialect.MySQLDialect</property>

<property name="connection.url">jdbc:mysql://127.0.0.1:3306/mysqltest</property>

<property name="connection.username">root</property>

<property name="connection.password">root</property>

<property name="connection.driver_class">com.mysql.jdbc.Driver</property>

<property name="myeclipse.connection.profile">com.mysql.jdbc.Driver</property>

<property name="show_sql">true</property>

</session-factory>

</hibernate-configuration>

3.创建实体类

303 14.2

package po

public class Student{

private String id;

private String name;

private String subject;

private double result;

public void setId(String id){

this.id=id;

}

public String getId(){

return id;

}

}

4.创建对象关系映射文件 Student.hbm.xml,并且添加到配置文件中

以<mapping>节点配置文件位置

<hibernate-mapping>

<class name="po.Student">

<id name="id"><generator class="assigned" ></generator></id>

<property name="name"></property>

<property name="subject"></property>

<property name="result"></property>

</class>

</hibernate-mapping>

5.创建一个会话工厂类HibernateSessionFactory.java

static{

Configuration configuration.configure("/hibernate.cfg.xml");

SessionFactory sessionfactory=configuration.buildSessionFactory();

Session session=sessionFactory.openSession();

}

6.编写DAO类，里面包含save(),update(),delete(),FindAll()等方法

7.由业务类调用DAO类的方法