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搭建Spring MVC 4开发环境八步走
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????Spring MVC作為SpringFrameWork的產品，自誕生之日，就受到廣泛開發者的關注，如今Spring MVC在Java中的發展可謂是蒸蒸日上，如今如果再有開發者說，不了解Spring MVC，或許就被人笑掉大牙。煽情的話就不說了，先告訴大家如何搭建Spring MVC開發環境。
?
????（一）工作環境準備：
? ? ? ? JDK 1.7
? ? ? ? Eclipse?Kepler
? ? ? ? Apache Tomcat 8.0
????（二）在Eclipse中新建Maven工程，在Archetype類型中，選擇“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轉發。
<?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目錄下，創建spring-context.xml，支持注解，頁面路徑解析等。
<?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.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.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="org.springframework.web.servlet.view.JstlView"?/><property?name="prefix"?value="/WEB-INF/views"?/><property?name="suffix"?value=".jsp"?/></bean>
</beans>
????（六）新建HelloController類，使用注解完成Spring MVC類的調用。
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="name",?defaultValue="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）創建/WEB-INF/views/hello.jsp，用來展現數據。
<%@?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）在瀏覽器中，輸入訪問的URL：http://localhost:8080/favspringmvcrestful/greeting?name=%E7%BE%8E%E5%A5%B3，運行效果如下：
????該例子僅僅是Spring MVC 4入門的一個簡單例子，如果你想了解更多關于Spring MVC的信息，請持續關注本博客，同時歡迎讀者留言評論。
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