Spring MVC HelloWorld实现

1. 开发环境

OS:Windows 7
Developer Tool:Eclipse Java EE IDE for Web Developers. Version: Luna Service Release 1 (4.4.1)
Database:Mysql5.5
Runtime Environment:Tomcat v8.0
JDK:jdk1.8.0_25
Project:Dynamic Web Project

2. 所需jar包

commons-logging-1.1.jar
spring-aop-4.2.0.BUILD-SNAPSHOT.jar
spring-aspects-4.2.0.BUILD-SNAPSHOT.jar
spring-beans-4.2.0.BUILD-SNAPSHOT.jar
spring-context-4.2.0.BUILD-SNAPSHOT.jar
spring-core-4.2.0.BUILD-SNAPSHOT.jar
spring-expression-4.2.0.BUILD-SNAPSHOT.jar
spring-instrument-4.2.0.BUILD-SNAPSHOT.jar
spring-jdbc-4.2.0.BUILD-SNAPSHOT.jar
spring-jms-4.2.0.BUILD-SNAPSHOT.jar
spring-messaging-4.2.0.BUILD-SNAPSHOT.jar
spring-orm-4.2.0.BUILD-SNAPSHOT.jar
spring-oxm-4.2.0.BUILD-SNAPSHOT.jar
spring-test-4.2.0.BUILD-SNAPSHOT.jar
spring-tx-4.2.0.BUILD-SNAPSHOT.jar
spring-web-4.2.0.BUILD-SNAPSHOT.jar
spring-webmvc-4.2.0.BUILD-SNAPSHOT.jar
spring-websocket-4.2.0.BUILD-SNAPSHOT.jar

jstl.jar
standard.jar

3. web.xml

<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns="http://xmlns.jcp.org/xml/ns/javaee"xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"id="WebApp_ID" version="3.1"><display-name>SpringMVCLesson</display-name><servlet><servlet-name>dispatcherServlet</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><init-param><param-name>contextConfigLocation</param-name><!-- 指定具体的配置文件为dispatcherServlet.xml --><param-value>classpath:dispatcherServlet-servlet.xml</param-value></init-param><!-- load-on-startup 启动顺序，让该servlet随容器一起启动，必须放在最后 --><load-on-startup>1</load-on-startup></servlet><servlet-mapping><servlet-name>dispatcherServlet</servlet-name><!-- / 表示拦截全部请求 --><url-pattern>/</url-pattern></servlet-mapping></web-app>

4. dispatcherServlet-servlet.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-4.1.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsdhttp://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsdhttp://www.springframework.org/schema/aophttp://www.springframework.org/schema/aop/spring-aop-4.1.xsdhttp://www.springframework.org/schema/txhttp://www.springframework.org/schema/tx/spring-tx-4.1.xsd"><!-- 默认的注解映射的支持 --><mvc:annotation-driven/><!-- <mvc:annotation-driven/> 开启注解映射支持，它是为了简化配置的缩写形式，它相当于以下2个配置：<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping"/><bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"/> --><!-- 如果当前请求为"/"时，则转发到"/helloworld/index" --><mvc:view-controller path="/" view-name="forward:/helloworld/index"/><!-- 静态资源映射 --><mvc:resources location="/WEB-INF/js/" mapping="/js/**"/><mvc:resources location="/WEB-INF/css/" mapping="/css/**"/><mvc:resources location="/WEB-INF/images/" mapping="/images/**"/><mvc:resources location="/WEB-INF/plugins/" mapping="/plugins/**"/><!-- 由于我们在web.xml文件里面配置的是拦截所有的请求到该servlet，所以我们在这里要对静态资源文件映射作一下配置，否则请求这些资源文件会返回404 --><!-- 当上面要访问的静态资源不包括在上面的配置中时，则根据此配置来访问 --><mvc:default-servlet-handler/><!-- 开启controller注解支持 --><!-- use-default-filters="false" 只扫描指定的注解 --><context:component-scan base-package="cn.voicet.web.controller" use-default-filters="false"><context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/></context:component-scan><!-- 视图解析器 --><bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"><property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/><property name="contentType" value="text/html"/><!-- 指定视图所在的文件夹 --><property name="prefix" value="/WEB-INF/views/"/><property name="suffix" value=".jsp"/></bean></beans>

5. HelloWorldController

 

package cn.voicet.web.controller;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(value="/helloworld")public class HelloWorldController {@RequestMapping(value="/index", method={RequestMethod.GET})public ModelAndView index(){ModelAndView mav = new ModelAndView();mav.addObject("message", "Hello World!");mav.setViewName("index");return mav;}}

6.  index.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-9"><title>Insert title here</title></head><body>${message }</body></html>

7. 项目截图

下载地址:

http://download.csdn.net/detail/u013606980/8356849