Spring4 MVC Hibernate4集成

CREATE TABLE `users` ( `id` int(11) NOT NULL AUTO_INCREMENT, `age` int(11) DEFAULT NULL, `nice_name` varchar(32) DEFAULT NULL, `user_name` varchar(32) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8;

package com.lei.demo.entity; import javax.persistence.*; @Entity(name="users") public class Users { public Users(){ super(); } @Id @GeneratedValue(strategy=GenerationType.AUTO) @Column(name="id") private Integer id; @Column(name="user_name",length=32) private String user_name; @Column(name="age") private Integer age; @Column(name="nice_name",length=32) private String nice_name; public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getUser_name() { return user_name; } public void setUser_name(String user_name) { this.user_name = user_name; } public Integer getAge() { return age; } public void setAge(Integer age) { this.age = age; } public String getNice_name() { return nice_name; } public void setNice_name(String nice_name) { this.nice_name = nice_name; } }

<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0"> <display-name>Archetype Created Web Application</display-name> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:/spring-*.xml</param-value> </context-param> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- 定义DispatcherServlet --> <servlet> <servlet-name>lei-dispatcher</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <!-- 默认/WEB-INF/[servlet名字]-servlet.xml加载上下文， 如果配置了contextConfigLocation参数， 将使用classpath:/lei-dispatcher-servlet.xml加载上下文 --> <param-name>contextConfigLocation</param-name> <param-value>classpath:/lei-dispatcher-servlet.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <!-- 拦截匹配的请求，这里所有请求采用名字为lei-dispatcher的DispatcherServlet处理 --> <servlet-mapping> <servlet-name>lei-dispatcher</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> </web-app>

<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:p="http://www.springframework.org/schema/p" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:tx="http://www.springframework.org/schema/tx" 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 http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd "> <!-- 启动自动扫描该包下所有的Bean(例如@Controller) --> <context:component-scan base-package="com.lei.demo" /> <!-- 定义视图解析器 --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix"> <value>/WEB-INF/user/</value> </property> <property name="suffix"> <value>.jsp</value> </property> </bean> </beans>

<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd "> <!-- Hibernate4 --> <!-- 加载资源文件 其中包含变量信息，必须在Spring配置文件的最前面加载，即第一个加载--> <context:property-placeholder location="classpath:persistence-mysql.properties" /> <bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean"> <property name="dataSource" ref="dataSource" /> <property name="packagesToScan"> <list> <!-- 可以加多个包 --> <value>com.lei.demo.entity</value> </list> </property> <property name="hibernateProperties"> <props> <prop key="hibernate.hbm2ddl.auto">${hibernate.hbm2ddl.auto}</prop> <prop key="hibernate.dialect">${hibernate.dialect}</prop> <prop key="hibernate.show_sql">${hibernate.show_sql}</prop> <!-- <prop key="hibernate.current_session_context_class">thread</prop> --> </props> </property> </bean> <!-- 数据库映射 --> <!-- class="org.apache.tomcat.dbcp.dbcp.BasicDataSource" --> <!-- class="org.springframework.jdbc.datasource.DriverManagerDataSource" --> <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName" value="${jdbc.driverClassName}" /> <property name="url" value="${jdbc.url}" /> <property name="username" value="${jdbc.user}" /> <property name="password" value="${jdbc.pass}" /> </bean> <!-- 配置Hibernate事务管理器 --> <bean id="transactionManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager"> <property name="sessionFactory" ref="sessionFactory" /> </bean> <!-- 配置事务异常封装 --> <bean id="persistenceExceptionTranslationPostProcessor" class="org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor" /> <!-- 声明式容器事务管理 ,transaction-manager指定事务管理器为transactionManager --> <tx:advice id="txAdvice" transaction-manager="transactionManager"> <tx:attributes> <tx:method name="add*" propagation="REQUIRED" /> <tx:method name="get*" propagation="REQUIRED" /> <tx:method name="*" read-only="true" /> </tx:attributes> </tx:advice> <aop:config expose-proxy="true"> <!-- 只对业务逻辑层实施事务 --> <aop:pointcut id="txPointcut" expression="execution(* com.lei.demo.service..*.*(..))" /> <!-- Advisor定义，切入点和通知分别为txPointcut、txAdvice --> <aop:advisor pointcut-ref="txPointcut" advice-ref="txAdvice"/> </aop:config> </beans>

# jdbc.X
jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://yourServerIP:3306/yourDatabase?createDatabaseIfNotExist=true
jdbc.user=user
jdbc.pass=password

# hibernate.X
hibernate.connection.driverClass=org.gjt.mm.mysql.Driver
hibernate.connection.url=jdbc:mysql:// yourServerIP:3306/yourDatabase
hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
hibernate.connection.username=user
hibernate.connection.password=password
hibernate.show_sql=true
hibernate.hbm2ddl.auto=create-drop

package com.lei.demo.dao; import java.util.List; import org.hibernate.Query; import org.hibernate.Session; import org.hibernate.SessionFactory; import com.lei.demo.entity.Users; public class UsersDAO { private SessionFactory sessionFactory; public void setSessionFactory(SessionFactory sessionFactory) { this.sessionFactory = sessionFactory; } public SessionFactory getSessionFactory() { return sessionFactory; } public List<Users> getAllUser(){ String hsql="from users"; Session session = sessionFactory.getCurrentSession(); Query query = session.createQuery(hsql); return query.list(); } }

package com.lei.demo.service; import com.lei.demo.dao.*; public class UserService { private UsersDAO userDao; public int userCount(){ return userDao.getAllUser().size(); } public UsersDAO getUserDao() { return userDao; } public void setUserDao(UsersDAO userDao) { this.userDao = userDao; } }

<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd"> <bean id="usersDAO" class="com.lei.demo.dao.UsersDAO"> <property name="sessionFactory" ref="sessionFactory"></property> </bean> <bean id="userService" class="com.lei.demo.service.UserService"> <property name="userDao" ref="usersDAO"></property> </bean> </beans>

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Insert title here</title> </head> <body> <h1>Message : ${message}</h1> </body> </html>

package com.lei.demo.controller; import javax.annotation.Resource; import com.lei.demo.service.*; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.servlet.ModelAndView; @Controller @RequestMapping("/user") public class UserController { @Resource(name="userService") private UserService service; @RequestMapping(value="/manager",method=RequestMethod.GET) public ModelAndView hello2(){ ModelAndView mv = new ModelAndView(); mv.addObject("message", "HelloMVC"); mv.setViewName("users"); return mv; } @RequestMapping(value="/count",method=RequestMethod.GET) public ModelAndView count(){ int c = service.userCount(); ModelAndView mv = new ModelAndView(); mv.addObject("message", c); mv.setViewName("users"); return mv; } }