hibernate spring xml 整合

最新推荐文章于 2025-03-10 22:51:30 发布

最新推荐文章于 2025-03-10 22:51:30 发布 · 70 阅读

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本文介绍了一个使用Spring框架和Hibernate ORM技术实现的数据访问层示例。通过配置Spring XML文件，定义了DAO接口及其Hibernate实现，并展示了如何进行数据库操作。

Spring.xml

<?xml version="1.0" encoding="UTF-8" ?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:p="http://www.springframework.org/schema/p"
	xmlns:aop="http://www.springframework.org/schema/aop"
	xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
           http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
           http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
		   http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd">

	<bean id="com.spring.ch11.dao.hibernate.IDemoDao"
		class="com.spring.ch11.dao.hibernate.DemoDaoImpl"
		p:sessionFactory-ref="sessionFactory">
	</bean>

	<bean id="sessionFactory"
		class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
		<property name="configLocation">
			<value>classpath:com/spring/ch11/dao/hibernate/hibernate.cfg.xml</value>
		</property>
	</bean>


</beans>

hibernate.cfg.xml

<!DOCTYPE hibernate-configuration PUBLIC
	"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
	"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<hibernate-configuration>
	<session-factory>
		<property name="dialect">org.hibernate.dialect.MySQL5Dialect</property>
		<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
		<property name="connection.username">root</property>
		<property name="connection.password">34060935</property>
		<property name="show_sql">true</property>
		<property name="connection.url">jdbc:mysql://localhost:3306/test</property>


		<!-- Mapping files -->
		<mapping resource="com/spring/ch11/dao/hibernate/demo.hbm.xml" />

	</session-factory>

</hibernate-configuration>

Demo.hbm.xml

<!DOCTYPE hibernate-mapping PUBLIC 
    "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
    "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
	<class name="com.spring.ch11.dao.hibernate.Demo" table="demo">
		<id type="int" name="id">
			<generator class="native"></generator>
		</id>
		<property name="name" type="string"></property>
		<property name="unitPrice" type="float"></property>
	</class>
</hibernate-mapping>

Demo.java

package com.spring.ch11.dao.hibernate;

import java.io.Serializable;

public class Demo implements Serializable{
	private int id;
	private float unitPrice;
	private String name;

	public int getId() {
		return id;
	}

	public void setId(int id) {
		this.id = id;
	}

	public float getUnitPrice() {
		return unitPrice;
	}

	public void setUnitPrice(float unitPrice) {
		this.unitPrice = unitPrice;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

}

IDemoDao.java

package com.spring.ch11.dao.hibernate;

import java.util.List;

public interface IDemoDao {
	public Demo getById(int id);
	public List<Demo> getAll();
}

DemoDaoImpl.java

package com.spring.ch11.dao.hibernate;

import java.util.List;

import org.hibernate.SessionFactory;
import org.springframework.orm.hibernate3.HibernateTemplate;

public class DemoDaoImpl implements IDemoDao {

	private HibernateTemplate hibernateTemplate;

	public void setSessionFactory(SessionFactory sessionFactory) {
		this.hibernateTemplate = new HibernateTemplate(sessionFactory);
	}

	@Override
	public Demo getById(int id) {
		return (Demo) this.hibernateTemplate.find("from Demo d where d.id = " + id).get(0);
	}

	@Override
	public List<Demo> getAll() {
		return this.hibernateTemplate.find("from Demo d");
	}


}

Client.java

package com.spring.ch11.dao.hibernate;

import java.util.List;

import org.apache.commons.lang.builder.ToStringBuilder;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class Client {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		ApplicationContext context = new ClassPathXmlApplicationContext(
				"spring.xml", Client.class);
		org.springframework.orm.hibernate3.LocalSessionFactoryBean localSessionFactoryBean = null;
		DemoDaoImpl demoDaoImpl = (DemoDaoImpl) context.getBean(IDemoDao.class
				.getName());
		// doInsert(baseDAO);
		Demo demo = demoDaoImpl.getById(1);
		System.out.println(ToStringBuilder.reflectionToString(demo));
		List<Demo> demoList = demoDaoImpl.getAll();
		for (Demo demo2 : demoList) {
			System.out.println(ToStringBuilder.reflectionToString(demo2));
		}
	}

}