搭建SpringMVC环境

http://blog.csdn.net/defonds/article/details/48031593

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion>
<groupId>com.web.dream</groupId>
<artifactId>springmvcdemo</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>springmvcdemo Maven Webapp</name>
<url>http://maven.apache.org</url>
<properties>
<commons-lang.version>2.6</commons-lang.version>
<slf4j.version>1.7.6</slf4j.version>
<spring.version>3.2.0.RELEASE</spring.version>
<jackson.version>2.5.4</jackson.version>
</properties>

<dependencies>

<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>

<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
</dependency>

</dependencies>

<build>
<plugins>
<plugin>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-maven-plugin</artifactId>
<version>9.2.2.v20140723</version>
</plugin>
</plugins>
</build>

<!-- <build>
<finalName>springmvcdemo</finalName>
</build> -->
</project>

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> 
<!-- 在web.xml中如何配置SpringMVC？ -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/configs/spring/applicationContext.xml</param-value>
</context-param>

<!-- 启动Spring框架(只是测试SpringMVC的话,可以不启动Spring的监听器) -->
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>

<!-- 这个只是配置SpringMVC的 -->
<servlet>
<servlet-name>mvc-dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/configs/spring/mvc-dispatcher-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>

<servlet-mapping>
<servlet-name>mvc-dispatcher</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>

<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>

mvc-dispatcher-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"
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.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">

<!-- 扫描常用注解 -->
<context:annotation-config />
<!-- 配置扫描路径 -->
<context:component-scan base-package="com.web.course">
<context:include-filter type="annotation"
expression="org.springframework.stereotype.Controller" />
</context:component-scan>
<!-- 这个作用参考:http://my.oschina.net/craftsdream/blog/524377 -->
<mvc:annotation-driven />

<!-- 配置jsp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="prefix" value="/WEB-INF/jsps/" />
<property name="suffix" value=".jsp" />
</bean>
</beans>

package com.imooc.mvcdemo.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

//告诉DispatcherServlet相关的容器， 这是一个Controller， 管理好这个bean哦
@Controller
//类级别的RequestMapping，告诉DispatcherServlet由这个类负责处理以跟URL。
//HandlerMapping依靠这个标签来工作
@RequestMapping("/hello")
public class HelloMvcController {

//方法级别的RequestMapping， 限制并缩小了URL路径匹配，同类级别的标签协同工作，最终确定拦截到的URL由那个方法处理
@RequestMapping("/mvc")
public String helloMvc() {

//视图渲染，/WEB-INF/jsps/home.jsp
return "home";
}

}