spring+hibernate整合，更新中。。。

最新推荐文章于 2024-11-07 10:43:53 发布

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最新推荐文章于 2024-11-07 10:43:53 发布

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分类专栏：框架文章标签： hibernate spring class sqlserver encoding bean

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本文介绍Spring框架如何整合Hibernate实现数据库操作。通过三种不同方式展示配置过程，并解释如何使用HibernateTemplate进行增删改查等基本操作。

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步骤：1）hibernate，后spring。

2）spring提供hibernateTemplate，方法一：注入dao即可操作数据库。配置文件需要配置sessionFactory和HibernateTemplate。

方法二：DaoImpl类继承HibernateDaoSupport。无需注入，配置只需要在dao中配置属性sessionFactory即可。

spring和hibernate，需要注意的是：Transaction和SessionFactory是相互独立的，Transaction没有侵入性。合理配置Transaction，使对对象（数据）的操作安全合理（操作过程中失败，回滚到修改前）

hibernateTemplate：需要注入sessionFactory，sf需要注入mappingResources，hibernateProperties（不需要datasource了，有sf）

hibernateTransactionManager：需要注入sessionfactory（不需要datasource了，有sf）

下面是方法一：配置到applicationcontext。xml中

<?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:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd"> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"> <property name="driverClassName" value="com.microsoft.sqlserver.jdbc.SQLServerDriver" /> <property name="url" value="jdbc:sqlserver://localhost:1159;DatabaseName=hibernate_first" /> <property name="username" value="sa" /> <property name="password" value="123" />  <property name="initialSize" value="1" />  <property name="maxActive" value="500" />  <property name="maxIdle" value="2" />  <property name="minIdle" value="1" /> </bean> <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> <property name="dataSource" ref="dataSource"></property> <property name="mappingResources" value="com/gem/jdbc/pojo/Stu.hbm.xml"></property> <property name="hibernateProperties"> <props> <prop key="hibernate.dialect">org.hibernate.dialect.SQLServerDialect</prop> <prop key="hibernate.show_sql">true</prop> </props> </property> </bean> <bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate"> <property name="sessionFactory" ref="sessionFactory"></property> </bean> <bean id="stuDao" class="com.gem.jdbc.dao.impl.StuDaoImpl"> <property name="ht" ref="hibernateTemplate"></property> </bean>  <bean id="hibernateTransaction" class="org.springframework.orm.hibernate3.HibernateTransactionManager"> <property name="dataSource" ref="dataSource"></property> <property name="sessionFactory" ref="sessionFactory"></property> </bean> <tx:annotation-driven transaction-manager="hibernateTransaction"/> </beans>

daoimpl

@Transactional public class StuDaoImpl implements StuDao{ private HibernateTemplate ht; public void setHt(HibernateTemplate ht) { this.ht = ht; } @Override public void del(Stu ss) { ht.delete(ss); } @Override public void insert(Stu ss) { ht.save(ss); } @Override public List selAll() { return ht.find("from Stu"); } @Override public Stu selById(Stu ss) { return (Stu) ht.get(Stu.class, ss.getId()); } @Override public void update(Stu ss) { ht.saveOrUpdate(ss); } }

方法二：applicationcontext。xml+hibernate.cfg.xml

注意：properties文件需要单独配置。

<?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:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd"> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"> <property name="driverClassName" value="com.microsoft.sqlserver.jdbc.SQLServerDriver" /> <property name="url" value="jdbc:sqlserver://localhost:1159;DatabaseName=hibernate_first" /> <property name="username" value="sa" /> <property name="password" value="123" />  <property name="initialSize" value="1" />  <property name="maxActive" value="500" />  <property name="maxIdle" value="2" />  <property name="minIdle" value="1" /> </bean> <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> <property name="dataSource" ref="dataSource"></property>  <property name="configLocations"> <list> <value>hibernate.cfg.xml</value> </list> </property> </bean> <bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate"> <property name="sessionFactory" ref="sessionFactory"></property> </bean> <bean id="stuDao" class="com.gem.jdbc.dao.impl.StuDaoImpl"> <property name="ht" ref="hibernateTemplate"></property> </bean>  <bean id="hibernateTransaction" class="org.springframework.orm.hibernate3.HibernateTransactionManager"> <property name="dataSource" ref="dataSource"></property>  <property name="sessionFactory" ref="sessionFactory"></property> </bean> <tx:annotation-driven transaction-manager="hibernateTransaction" /> </beans>

方法三：applicationcontext。xml+hibernate。cfg。cml+property文件配置。

xml文件中一处注入写错，真个配置文件都不能跳转。

<?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:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd"> <bean id="jdbcproperties" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">  <property name="locations"> <list> <value>Jdbc.properties</value> </list> </property> </bean> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"> <property name="driverClassName" value="${driverClassName}" /> <property name="url" value="${url}" /> <property name="username" value="${username}" /> <property name="password" value="${password}" />  <property name="initialSize" value="${initialSize}" />  <property name="maxActive" value="${maxActive}" />  <property name="maxIdle" value="${maxIdle}" />  <property name="minIdle" value="${minIdle}" /> </bean> <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> <property name="dataSource" ref="dataSource"></property>  <property name="configLocations"> <list> <value>hibernate.cfg.xml</value> </list> </property> </bean> <bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate"> <property name="sessionFactory" ref="sessionFactory"></property> </bean> <bean id="stuDao" class="com.gem.jdbc.dao.impl.StuDaoImpl"> <property name="ht" ref="hibernateTemplate"></property> </bean>  <bean id="hibernateTransaction" class="org.springframework.orm.hibernate3.HibernateTransactionManager"> <property name="dataSource" ref="dataSource"></property>  <property name="sessionFactory" ref="sessionFactory"></property> </bean> <tx:annotation-driven transaction-manager="hibernateTransaction" /> </beans>