?
?
有兩種手段：
1
、使用
HibernateTemplate
；
2
、繼承
HibernateDaoSupport
（實際上，
HibernateDaoSupport
本身就是對
HibernateTemplate
的一個封裝）
??
一切盡在代碼中，查看
API
唉！
注意：hibernate 2.X和hibernate3.X的區別，我用的是2.X?。??
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package com.company.example.dao;
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import java.util.List;
?
import com.company.example.model.Student;
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public interface StudentDao {
??? public abstract Student getStudent(final Integer id);
??? public abstract void updateStudent(Student student);
??? public abstract List findStudentsByLastName(String lastName);
}
==================
package com.company.example.dao.hibernateImpl;
?
import java.util.List;
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import net.sf.hibernate.Hibernate;
import net.sf.hibernate.HibernateException;
import net.sf.hibernate.Session;
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import org.springframework.orm.hibernate.HibernateCallback;
import org.springframework.orm.hibernate.HibernateTemplate;
?
import com.company.example.dao.StudentDao;
import com.company.example.model.Student;
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public class StudentDaoHibernate implements StudentDao {
??? HibernateTemplate hibernateTemplate;
?
??? public static void main(String[] args) {
??? }
?
??? public HibernateTemplate getHibernateTemplate() {
??????? return hibernateTemplate;
??? }
?
??? public void setHibernateTemplate(HibernateTemplate hibernateTemplate) {
??????? this.hibernateTemplate = hibernateTemplate;
??? }
?
??? public Student getStudent(final Integer id) {
??????? return (Student) hibernateTemplate.execute(new HibernateCallback() {
??????????? public Object doInHibernate(Session session)
??????????????????? throws HibernateException {
??????????????? return session.load(Student.class, id);
??????????? }
??????? });
??? }
?
??? public Student getStudent2(Integer id) {
??????? return (Student) hibernateTemplate.load(Student.class, id);
??? }
?
??? public void updateStudent(Student student) {
??????? hibernateTemplate.update(student);
??? }
?
??? public List findStudentsByLastName(String lastName) {
??????? return hibernateTemplate.find("from Student student "
??????????????? + "where student.lastName = ?", lastName, Hibernate.STRING);
??? }
public class StudentDaoHibernate extends HibernateDaoSupport
implements StudentDao {
?...........
}
======The Spring XML Configuration===========
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN"
"<beans>
?<bean id="dataSource"
??class="org.springframework.jndi.JndiObjectFactoryBean">
??<property name="jndiName">
???<value>java:comp/env/jdbc/trainingDatasource</value>
??</property>
?</bean>
?
?<bean id="sessionFactory" class="org.springframework.orm.hibernate.LocalSessionFactoryBean">
??<property name="dataSource">
???<ref bean="dataSource"/>
??</property>
??<property name="hibernateProperties">
???<props>
????<prop key="hibernate.dialect">net.sf.hibernate.dialect.MySQLDialect</prop>
???</props>
??</property>
??<property name="mappingResources">
???<list> <!--list of each hbm.xml-->
????<value>Student.hbm.xml</value>
????<value>Course.hbm.xml</value>
???</list>
??</property>
??<property name="mappingDirectoryLocations">
???<list>
????<!--list the directory of the hbm.xml, including each xml file in the dir-->
????<value>classpath:/com/springinaction/training/model</value>
???</list>
??</property>
?</bean>
?
?<bean id="hibernateTemplate"
??class="org.springframework.orm.hibernate.HibernateTemplate">
??<property name="sessionFactory">
???<ref bean="sessionFactory"/>
??</property>
?</bean>
?<bean id="studentDao" class="com.company.example.dao.hibernateImpl.StudentDaoHibernate">
??<property name="hibernateTemplate">
???<ref bean="hibernateTemplate"/>
??</property>
?</bean>
?<bean id="courseDao" class="com.company.example.dao.hibernateImpl.CourseDaoHibernate">
??<property name="hibernateTemplate">
???<ref bean="hibernateTemplate"/>
??</property>
?</bean>
</beans>