spring hibernate初步

beans.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:context="http://www.springframework.org/schema/context"       xsi:schemaLocation="http://www.springframework.org/schema/beans           http://www.springframework.org/schema/beans/spring-beans-3.0.xsd           http://www.springframework.org/schema/context           http://www.springframework.org/schema/context/spring-context-3.0.xsd"><context:annotation-config></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="root" /></bean>  <bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">    <property name="dataSource" ref="dataSource"/>    <property name="annotatedClasses">      <list>        <value>com.bjsxt.model.User</value>      </list>    </property>    <property name="hibernateProperties">    <props>        <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>        <prop key="show_sql">true</prop>    </props>    </property>  </bean></beans>

user.java

package com.bjsxt.model;import javax.persistence.Entity;import javax.persistence.GeneratedValue;import javax.persistence.Id;@Entitypublic class User {private int id;private String name;@Id@GeneratedValuepublic int getId() {return id;}public void setId(int id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.name = name;}}

UseDAOImpl

package com.bjsxt.dao.impl;import java.sql.Connection;import java.sql.SQLException;import java.util.LinkedHashMap;import java.util.List;import java.util.Set;import javax.annotation.Resource;import javax.sql.DataSource;import org.hibernate.Session;import org.hibernate.SessionFactory;import org.springframework.stereotype.Component;import com.bjsxt.dao.UserDAO;import com.bjsxt.model.User;@Component("uu")public class UserDAOImpl implements UserDAO {private SessionFactory sessionFactory;public SessionFactory getSessionFactory() {return sessionFactory;}@Resourcepublic void setSessionFactory(SessionFactory sessionFactory) {this.sessionFactory = sessionFactory;}public void save(User user) {//Hibernate//JDBC//XML//NetWorkConnection connection = null;Session session = sessionFactory.openSession();session.beginTransaction();session.save(user);session.getTransaction().commit();System.out.println("user saved!");}}

test

package com.bjsxt.service;import org.junit.Test;import org.springframework.context.support.ClassPathXmlApplicationContext;import com.bjsxt.model.User;public class UserServiceTest {@Testpublic void testAdd() throws Exception {ClassPathXmlApplicationContext applicationContext = new ClassPathXmlApplicationContext("beans.xml");UserService service = (UserService)applicationContext.getBean("uuuService");//UserService service2 = (UserService)applicationContext.getBean("uuuService");//System.out.println(service==service2);service.add(new User());applicationContext.destroy();}}