Spring4+SpringMVC+Hibernate4整合入门与实例

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配置web.xml

<?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"    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>myweb</display-name>    <welcome-file-list>        <welcome-file>/WEB-INF/jsp/register.jsp</welcome-file>        <welcome-file>/WEB-INF/jsp/login.jsp</welcome-file>    </welcome-file-list>    <!-- 加载所有的配置文件 -->    <context-param>        <param-name>contextConfigLocation</param-name>        <param-value>classpath*:config/spring-*.xml</param-value>    </context-param>    <!-- 配置Spring监听 -->    <listener>        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>    </listener>    <!-- 配置字符集 -->    <filter>        <filter-name>encodingFilter</filter-name>        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>        <init-param>            <param-name>encoding</param-name>            <param-value>UTF-8</param-value>        </init-param>        <init-param>            <param-name>forceEncoding</param-name>            <param-value>true</param-value>        </init-param>    </filter>    <filter-mapping>        <filter-name>encodingFilter</filter-name>        <url-pattern>/</url-pattern>        <!-- 配置Session -->    <filter>        <filter-name>openSession</filter-name>        <filter-class>org.springframework.orm.hibernate4.support.OpenSessionInViewFilter</filter-class>        <init-param>            <param-name>singleSession</param-name>            <param-value>true</param-value>        </init-param>        <init-param>            <param-name>flushMode</param-name>            <param-value>AUTO</param-value>        </init-param>    </filter>    <filter-mapping>        <filter-name>openSession</filter-name>        <url-pattern>/</url-pattern>    </filter-mapping>    <!-- 配置SpringMVC -->    <servlet>        <description>myweb</description>        <display-name>myweb</display-name>        <servlet-name>springMVC</servlet-name>        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>        <init-param>            <param-name>contextConfigLocation</param-name>            <param-value>classpath*:config/spring-mvc.xml</param-value>        </init-param>        <load-on-startup>1</load-on-startup>    </servlet>    <servlet-mapping>        <servlet-name>springMVC</servlet-name>        <url-pattern>/</url-pattern>    </servlet-mapping></web-app> 

SpringMVC中Bean的配置spring-mvc.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"    xmlns:mvc="http://www.springframework.org/schema/mvc" 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.xsd    http://www.springframework.org/schema/context     http://www.springframework.org/schema/context/spring-context-3.0.xsd    http://www.springframework.org/schema/aop    http://www.springframework.org/schema/aop/spring-aop-3.0.xsd    http://www.springframework.org/schema/tx     http://www.springframework.org/schema/tx/spring-tx-3.0.xsd    http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">    <!-- 开启Spring MVC注解 -->    <mvc:annotation-driven />    <!-- 处理静态资源 -->    <mvc:resources location="/resources" mapping="/resources/**" />    <!-- 打开Spring的Annotation支持 -->    <context:annotation-config />    <!-- 注解扫描包 -->    <context:component-scan base-package="com.myweb.controller" />    <context:component-scan base-package="com.myweb.dao.imp" />    <context:component-scan base-package="com.myweb.service.imp" />    <!-- 配置SessionFactory -->    <bean id="sessionFactory"        class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">        <!-- <property name="dataSource" ref="dataSource" /> -->        <property name="configLocation" value="classpath:config/hibernate.cfg.xml" />        <property name="packagesToScan" value="com.myweb.entity" />    </bean>    <!-- 配置Dao要注入的hibernateTemplate -->    <bean id="hibernateTemplate" class="org.springframework.orm.hibernate4.HibernateTemplate">        <property name="sessionFactory" ref="sessionFactory" />    </bean>    <!-- 配置Spring的事务处理 -->    <!-- 创建事务管理器 -->    <bean id="txManager"        class="org.springframework.orm.hibernate4.HibernateTransactionManager">        <property name="sessionFactory" ref="sessionFactory" />    </bean>    <!-- 配置AOP,Spring是通过AOP来进行事务管理的 -->    <aop:config>        <!-- 设置pointCut表示哪些方法要加入事务处理 -->        <!-- 以下的事务是声明在DAO中,但是通常都会在Service来处理多个业务对象逻辑的关系,注入删除,更新等,此时如果在执行了一个步骤之后抛出异常             就会导致数据不完整,所以事务不应该在DAO层处理,而应该在service,这也就是Spring所提供的一个非常方便的工具,声明式事务 -->        <aop:pointcut id="allMethods" expression="execution(* com.myweb.service.*.*(..))" />        <!-- 通过advisor来确定具体要加入事务控制的方法 -->        <aop:advisor advice-ref="txAdvice" pointcut-ref="allMethods" />    </aop:config>    <!-- 配置哪些方法要加入事务控制 -->    <tx:advice id="txAdvice" transaction-manager="txManager">        <tx:attributes>            <!-- 让所有的方法都加入事务管理,为了提高效率,可以把一些查询之类的方法设置为只读的事务 -->            <tx:method name="*" propagation="REQUIRED" read-only="true" />            <!-- 以下方法都是可能设计修改的方法,就无法设置为只读 -->            <tx:method name="add*" propagation="REQUIRED" />            <tx:method name="del*" propagation="REQUIRED" />            <tx:method name="update*" propagation="REQUIRED" />            <tx:method name="save*" propagation="REQUIRED" />        </tx:attributes>    </tx:advice>    <!-- 开启事务注解 -->    <tx:annotation-driven />    <!-- 默认的视图解析器ViewResolver -->    <bean id="defaultViewResolver"        class="org.springframework.web.servlet.view.InternalResourceViewResolver">        <property name="prefix" value="/WEB-INF/jsp/" />        <property name="suffix" value=".jsp" />    </bean></beans> 

Hibernate的配置hibernate.cfg.xml

<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE hibernate-configuration PUBLIC        "-//Hibernate/Hibernate Configuration DTD 3.0//EN"        "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd"><hibernate-configuration>    <session-factory>        <property name="hibernate.dialect">            org.hibernate.dialect.MySQLDialect        </property>        <property name="hibernate.connection.driver_class">            com.mysql.jdbc.Driver        </property>        <property name="hibernate.connection.url">            jdbc:mysql://localhost/myweb        </property>        <property name="hibernate.connection.username">            root        </property>        <property name="hibernate.connection.password">            jiangyu        </property>        <property name="hibernate.temp.use_jdbc_metadata_defaults">false</property>        <!-- ddl语句自动建表 -->        <property name="hbm2ddl.auto">update</property>        <property name="show_sql">true</property>        <property name="format_sql">true</property>        <property name="jdbc.fetch_size">50</property>        <property name="jdbc.batch_size">30</property>        <property name="hibernate.connection.provider_class">org.hibernate.connection.C3P0ConnectionProvider</property>        <property name="hibernate.c3p0.acquireRetryAttempts">30</property>        <property name="hibernate.c3p0.acquireIncrement">2</property>        <property name="hibernate.c3p0.checkoutTimeout">30000</property>        <property name="hibernate.c3p0.idleConnectionTestPeriod">120</property>        <property name="hibernate.c3p0.maxIdleTime">180</property>        <property name="hibernate.c3p0.initialPoolSize">3</property>        <property name="hibernate.c3p0.maxPoolSize">50</property>        <property name="hibernate.c3p0.minPoolSize">1</property>        <property name="hibernate.c3p0.maxStatements">0</property>        <!-- XML配置映射关系 <mapping resource="Employee.hbm.xml" /> -->        <!-- 注册ORM映射文件 -->        <!-- spring不起作用 <mapping package="com.myweb.entity"/> -->    </session-factory></hibernate-configuration>

实体层

package com.myweb.entity;import java.io.Serializable;import javax.persistence.Column;import javax.persistence.Entity;import javax.persistence.GeneratedValue;import javax.persistence.GenerationType;import javax.persistence.Id;import javax.persistence.Table;@Entity@Table(name = "w_user")public class User implements Serializable {    private static final long serialVersionUID = 1L;    @Id    @Column(name = "user_id")    @GeneratedValue(strategy = GenerationType.IDENTITY)    private Integer id;    @Column(length = 50)    private String username;    @Column(length = 20)    private String password;    public Integer getId() {        return id;    }    public void setId(Integer id) {        this.id = id;    }    public String getUsername() {        return username;    }    public void setUsername(String username) {        this.username = username;    }    public String getPassword() {        return password;    }    public void setPassword(String password) {        this.password = password;    }}

数据访问层(DAO层)

接口:

package com.myweb.dao;import com.myweb.entity.User;public interface UserDao {    User save(User user);}

实现:

package com.myweb.dao.imp;import javax.inject.Inject;import org.springframework.orm.hibernate4.HibernateTemplate;import org.springframework.stereotype.Repository;import com.myweb.dao.UserDao;import com.myweb.entity.User;@Repositorypublic class UserDaoImp implements UserDao {    @Inject    private HibernateTemplate template;    @Override    public User save(User user) {        // TODO Auto-generated method stub        template.save(user);        return template.load(User.class, user.getId());    }}

服务层(Service层)

接口:

package com.myweb.service;import com.myweb.entity.User;public interface UserService {    User save(User user);}

实现:

package com.myweb.service.imp;import javax.inject.Inject;import org.springframework.stereotype.Service;import com.myweb.dao.UserDao;import com.myweb.entity.User;import com.myweb.service.UserService;@Servicepublic class UserServiceImp implements UserService {    @Inject    private UserDao userDao;    @Override    public User save(User user) {        // TODO Auto-generated method stub        return userDao.save(user);    }}

控制层(Controller层)

package com.myweb.controller;import javax.inject.Inject;import org.apache.shiro.SecurityUtils;import org.apache.shiro.authc.AuthenticationException;import org.apache.shiro.authc.UsernamePasswordToken;import org.apache.shiro.config.IniSecurityManagerFactory;import org.apache.shiro.subject.Subject;import org.apache.shiro.util.Factory;import org.springframework.stereotype.Controller;import org.springframework.ui.Model;import org.springframework.web.bind.annotation.ModelAttribute;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import org.springframework.web.bind.annotation.RequestParam;import com.myweb.entity.User;import com.myweb.service.UserService;@Controller@RequestMapping("/user")public class UserController {    @Inject    private UserService userService;    @RequestMapping(value = "/register.do", method = RequestMethod.POST)    public String register(User user) {        userService.save(user);        return "login";    }    @RequestMapping(value = "/login.do", method = RequestMethod.POST)    public String login(@ModelAttribute("user") User user) {        return "self";    }}

视图成(View层)

register.jsp

<%@ 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>注册</title></head><body>    <form action="/myweb/user/register.do" method="post">        用户名:<input type="text" name="username" /><br /> 密码:<input            type="password" name="password"><br /> <input type="submit"            value="提交">    </form></body></html> 

login.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java"%><html><head><title>登录</title></head><body>    <form action="/myweb/user/login.do" method="post">        用户名:<input type="text" name="username"><br /> 密码:<input            type="password" name="password"><br /> <input type="submit"            value="登录">    </form></body></html>

self.jsp

<%@ 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>个人中心</title></head><body>欢迎你!!! ${user.username}</body></html> 
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