Spring MVC的使用

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本文介绍如何快速搭建SpringMVC框架环境，包括创建Web工程、添加必要的Jar包、配置web.xml及springmvc-servlet.xml文件、编写控制器代码及视图页面。

Spring MVC的使用

来源：

http://www.cnblogs.com/ruiati/p/5501585.html

1、新建Web工程

2、添加jar包

Properties-->java Build Path -Libraries-->Add External Jars

D:\software\studyWork\webIde\spring3.2

最少要包含以下6个jar包（版本不限）

commons-logging-1.1.1.jar

spring-beans-3.2.2.RELEASE.jar

spring-context-3.2.2.RELEASE.jar

spring-core-3.2.2.RELEASE.jar

spring-expression-3.2.2.RELEASE.jar

spring-web-3.2.2.RELEASE.jar

spring-webmvc-3.2.2.RELEASE.jar

3、配置WebRoot/WEB-INF/web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" 
xmlns="http://java.sun.com/xml/ns/javaee"       
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"      
 xsi:schemaLocation="http://java.sun.com/xml/ns/javaee      
  http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">       
  <servlet>              
	  <servlet-name>springmvc</servlet-name>       
         <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>   
 	 </servlet>      
 <servlet-mapping>              
 	<servlet-name>springmvc</servlet-name>        
       <!-- 监听所有请求 -->             
        <url-pattern>/</url-pattern>     
          </servlet-mapping>
 </web-app>

4、配置WebRoot/WEB-INF目录下添加springmvc-servlet.xml文件

<?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-3.2.xsd
       http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd
       http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">
  
 	<!-- 扫描所有的 controller -->      
	<context:component-scan base-package="com.springmvc.controllers" />  
	<!-- 启动注解驱动 SpringMVC 功能 -->      
	<mvc:annotation-driven />       
	<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">  
		<property name="prefix" value="/views/" />    
		<property name="suffix" value=".jsp" />  
	</bean>
</beans>

4、在src下添加代码

package com.springmvc.controllers;

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

@Controller
public class HomeController {
	
	@RequestMapping(value="/home")
	public String index(){
		return "/home/index";
	}

}

5、在WebRoot下新建views/home目录并添加index.jsp

<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>Home 'index.jsp'</title>
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->
  </head>
  
  <body>
   Home 'index.jsp' <br>
  </body>
</html>

启动Tomcat，并执行