记得导入dbcp和pool的jar包。
<?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:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans
> <context:annotation-config />
<context:component-scan base-package="com.bjsxt" />
<!--
<bean id="dataSource"
class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://localhost:3306/spring" />
<property name="username" value="root" />
<property name="password" value="bjsxt" />
</bean>
-->
<bean
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<value>classpath:jdbc.properties</value>
</property>
</bean>
<bean id="dataSource" destroy-method="close"
class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName"
value="${jdbc.driverClassName}" />
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean"><!-- 使用注解 -->
<property name="dataSource" ref="dataSource" />
<!--
<property name="annotatedClasses">
<list>
<value>com.bjsxt.model.User</value>
<value>com.bjsxt.model.Log</value>
</list>
</property>
-->
<property name="packagesToScan"><!-- 可以自动扫描list中指定的包来加载实体类，不用一 一指明 -->
<list>
<value>com.bjsxt.model</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
</bean>
</beans>
jdbc.properties：
jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/spring
jdbc.username=root
jdbc.password=bjsxt
在类中可以通过注解进行注入。
package com.bjsxt.dao.impl;
import java.sql.SQLException;
import javax.annotation.Resource;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.stereotype.Component;
import com.bjsxt.dao.UserDAO;
import com.bjsxt.model.User;
@Component("u")
public class UserDAOImpl implements UserDAO {
private SessionFactory sessionFactory;
public SessionFactory getSessionFactory() {
return sessionFactory;
}
@Resource
public void setSessionFactory(SessionFactory sessionFactory) {
this.sessionFactory = sessionFactory;
}
public void save(User user) {
//Hibernate
//JDBC
//XML
//NetWork
System.out.println("session factory class:" + sessionFactory.getClass());
Session s = sessionFactory.openSession();
s.beginTransaction();
s.save(user);
s.getTransaction().commit();
System.out.println("user saved!");
//throw new RuntimeException("exeption!");
}
}
