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早期的项目比较简单,多是用JSP 、Servlet + JDBC 直接搞定,后来使用 Struts1(Struts2)+Spring+Hibernate, 严格按照分层概念驱动项目开发,这次又使用 Spring MVC取代Struts来进行开发。
MVC已经是现代Web开发中的一个很重要的部分,下面介绍一下SpringMVC+Spring3+Hibernate4的开发环境搭建
具体的代码不再演示,主要是走了一个很平常的路线,mvc-servcie-dao-hibernate的结构, ,主要看一下配置文件。解释见注释
- <?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/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
- <display-name>SpringMVC</display-name>
- <welcome-file-list>
- <welcome-file>index.jsp</welcome-file>
- </welcome-file-list>
-
-
- <context-param>
- <param-name>contextConfigLocation</param-name>
- <param-value>classpath*:config/spring-*.xml</param-value>
- </context-param>
-
-
- <listener>
- <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
- </listener>
-
-
-
- <servlet>
- <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-servlet.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>
-
-
- <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>
- </filter-mapping>
-
-
-
- <filter>
- <filter-name>openSession</filter-name>
- <filter-class>org.springframework.orm.hibernate4.support.OpenSessionInViewFilter</filter-class>
- </filter>
-
- <filter-mapping>
- <filter-name>openSession</filter-name>
- <url-pattern>/*</url-pattern>
- </filter-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:p="http://www.springframework.org/schema/p"
- xmlns:mvc="http://www.springframework.org/schema/mvc" 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-3.0.xsd
- http://www.springframework.org/schema/context
- http://www.springframework.org/schema/context/spring-context.xsd
- http://www.springframework.org/schema/mvc
- http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
-
-
- <context:component-scan base-package="com.jialin" />
-
-
-
- <!-- <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"
- /> -->
-
-
-
-
- <mvc:annotation-driven />
-
-
- <mvc:resources location="/img/" mapping="/img/**" />
- <mvc:resources location="/js/" mapping="/js/**" />
-
-
-
-
-
- <bean id="viewResolver"
- class="org.springframework.web.servlet.view.InternalResourceViewResolver">
- <property name="prefix" value="/"></property>
-
- <property name="suffix" value=".jsp"></property>
- </bean>
-
-
- <!-- <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
- <property name="defaultEncoding" value="utf-8" /> <property name="maxUploadSize"
- value="10485760000" /> <property name="maxInMemorySize" value="40960" />
- </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:p="http://www.springframework.org/schema/p"
- xmlns:mvc="http://www.springframework.org/schema/mvc" 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-3.0.xsd
- http://www.springframework.org/schema/context
- http://www.springframework.org/schema/context/spring-context.xsd
- http://www.springframework.org/schema/mvc
- http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
-
-
- <bean id="dataSource"
- class="org.springframework.jdbc.datasource.DriverManagerDataSource">
- <property name="driverClassName" value="com.mysql.jdbc.Driver" />
- <property name="url" value="jdbc:mysql://127.0.0.1/springmvc" />
- <property name="username" value="root" />
- <property name="password" value="123456" />
- </bean>
-
-
- <bean id="sessionFactory"
- class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
- <property name="dataSource" ref="dataSource" />
- <property name="hibernateProperties">
- <props>
- <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
- <prop key="hibernate.hbm2ddl.auto">update</prop>
- <prop key="hibernate.show_sql">true</prop>
- <prop key="hiberante.format_sql">true</prop>
- </props>
- </property>
- <property name="configLocations">
- <list>
- <value>
- classpath*:config/hibernate/hibernate.cfg.xml
- </value>
- </list>
- </property>
- </bean>
-
-
- <bean id="transactionManager"
- class="org.springframework.orm.hibernate4.HibernateTransactionManager">
- <property name="sessionFactory" ref="sessionFactory"></property>
- </bean>
-
-
- <bean id="transactionBese"
- class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean"
- lazy-init="true" abstract="true">
- <property name="transactionManager" ref="transactionManager"></property>
- <property name="transactionAttributes">
- <props>
- <prop key="add*">PROPAGATION_REQUIRED,-Exception</prop>
- <prop key="update*">PROPAGATION_REQUIRED,-Exception</prop>
- <prop key="insert*">PROPAGATION_REQUIRED,-Exception</prop>
- <prop key="modify*">PROPAGATION_REQUIRED,-Exception</prop>
- <prop key="delete*">PROPAGATION_REQUIRED,-Exception</prop>
- <prop key="del*">PROPAGATION_REQUIRED,-Exception</prop>
- <prop key="get*">PROPAGATION_NEVER</prop>
- </props>
- </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:p="http://www.springframework.org/schema/p"
- xmlns:mvc="http://www.springframework.org/schema/mvc"
- 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-3.0.xsd
- http://www.springframework.org/schema/context
- http://www.springframework.org/schema/context/spring-context.xsd
- http://www.springframework.org/schema/mvc
- http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
-
-
- <import resource="classpath*:config/spring/spring-user.xml"/>
-
- </beans>
- <?xml version="1.0" encoding="UTF-8"?>
- <!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN" "http://www.springframework.org/dtd/spring-beans-2.0.dtd" [
- <!ENTITY contextInclude SYSTEM "org/springframework/web/context/WEB-INF/contextInclude.xml">
- ]>
-
- <beans>
-
- <bean id="userDao" class="com.jialin.dao.UserDao">
- <property name="sessionFactory" ref="sessionFactory"></property>
- </bean>
-
- <bean id="userManagerBase" class="com.jialin.service.UserManager">
- <property name="userDao" ref="userDao"></property>
- </bean>
-
-
- <bean id="userManager" parent="transactionBese">
- <property name="target" ref="userManagerBase"></property>
- </bean>
-
- </beans>
- <!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>
-
- <mapping class="com.jialin.entity.User"/>
- </session-factory>
- </hibernate-configuration>
- package com.jialin.controller;
-
- import java.io.IOException;
- import java.io.PrintWriter;
- import java.util.List;
-
- import javax.annotation.Resource;
- import javax.servlet.http.HttpServletRequest;
- import javax.servlet.http.HttpServletResponse;
-
- import org.springframework.stereotype.Controller;
- import org.springframework.web.bind.annotation.RequestMapping;
-
- import com.jialin.entity.User;
- import com.jialin.service.IUserManager;
-
- @Controller
- @RequestMapping("/user")
- public class UserController {
-
- @Resource(name="userManager")
- private IUserManager userManager;
-
- @RequestMapping("/addUser")
- public String addUser(User user){
- if(userManager.addUser(user))
- {
-
- return "redirect:/user/getAllUser";
- }else
- {
- return "/fail";
- }
-
- }
-
- @RequestMapping("/updateUser")
- public String updateUser(User user,HttpServletRequest request){
- if (userManager.updateUser(user))
- {
- user = userManager.getOneUser(user);
- request.setAttribute("user", user);
- return "/UserEdit";
- }else
- {
- return "/fail";
- }
-
- }
-
- @RequestMapping("/delUser")
- public void delUser(User user,HttpServletResponse response){
- String result = "{\"result\":\"error\"}";
-
- if(userManager.delUser(user)){
- result = "{\"result\":\"success\"}";
- }
- PrintWriter out = null;
- response.setContentType("application/json");
-
- try {
- out = response.getWriter();
- out.write(result);
- } catch (IOException e) {
- e.printStackTrace();
- }
-
- }
- @RequestMapping("/toAddUser")
- public String toAddUser(){
- return "/UserAdd";
- }
-
- @RequestMapping("/toUpdateUser")
- public String toUpdateUser(User user,HttpServletRequest request){
- User user1=userManager.getOneUser(user);
-
- request.setAttribute("user1", user1);
-
- return "/UserEdit";
- }
-
- @RequestMapping("/getAllUser")
- public String getAllUser(HttpServletRequest request){
-
- List userList=userManager.getAllUser();
-
- request.setAttribute("userlist", userList);
-
- return "/UserMain";
- }
-
- }
下面还会介绍一些Struts2与SpringMVC的区别