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搭建Spring MVC 4开发环境八步走
Spring MVC作为SpringFrameWork的产品,自诞生之日,就受到广泛开发者的关注,如今Spring MVC在Java中的发展可谓是蒸蒸日上,如今如果再有开发者说,不了解Spring MVC,或许就被人笑掉大牙。煽情的话就不说了,先告诉大家如何搭建Spring MVC开发环境。
(一)工作环境准备:
JDK 1.7
Eclipse Kepler
Apache Tomcat 8.0
(二)在Eclipse中新建Maven工程,在Archetype类型中,选择“maven-archetype-webapp”。
(三)配置pom.xml。
<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.favccxx.favsoft</groupId> <artifactId>favspringmvcrestful</artifactId> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> <name>favspringmvcrestful Maven Webapp</name> <url>http://maven.apache.org</url> <properties> <spring.version>4.1.1.RELEASE</spring.version> </properties> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <dependency> <groupId>taglibs</groupId> <artifactId>standard</artifactId> <version>1.1.2</version> </dependency> </dependencies> <build> <finalName>favspringmvcrestful</finalName> </build> </project>
(四)在WEB-INF/web.xml,配置Spring MVC转发。
<?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"> <display-name>favspringmvcrestful</display-name> <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> <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*:spring-context.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>
(五)在resources目录下,创建spring-context.xml,支持注解,页面路径解析等。
<?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-4.1.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd"> <context:component-scan base-package="com.favccxx.favsoft.favjson.controller"></context:component-scan> <mvc:annotation-driven></mvc:annotation-driven> <bean id="viewResolver" class="org.springframework.web.servlet.view.UrlBasedViewResolver"> <property name="viewClass" value="http://www.mamicode.com/org.springframework.web.servlet.view.JstlView" /> <property name="prefix" value="http://www.mamicode.com/WEB-INF/views" /> <property name="suffix" value="http://www.mamicode.com/.jsp" /> </bean> </beans>
(六)新建HelloController类,使用注解完成Spring MVC类的调用。
package com.favccxx.favsoft.favjson.controller; import java.util.HashMap; import java.util.Map; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.servlet.ModelAndView; @Controller public class HelloController { @RequestMapping("/greeting") public ModelAndView greeting(@RequestParam(value="http://www.mamicode.com/name", defaultValue="http://www.mamicode.com/World") String name) { System.out.println("Hello " + name); Map<String, Object> map = new HashMap<String, Object>(); map.put("userName", name); return new ModelAndView("/hello",map); } }
(七)创建/WEB-INF/views/hello.jsp,用来展现数据。
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%> <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Hello</title> </head> <body> 你好,${userName } </body> </html>
(八)在浏览器中,输入访问的URL:http://localhost:8080/favspringmvcrestful/greeting?name=%E7%BE%8E%E5%A5%B3,运行效果如下:
该例子仅仅是Spring MVC 4入门的一个简单例子,如果你想了解更多关于Spring MVC的信息,请持续关注本博客,同时欢迎读者留言评论。
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搭建Spring MVC 4开发环境八步走