pom.xml,代码,一些是多余的

Spring-framework-bom解决spring的不同模块依赖版本不同问题

    <properties><commons-lang.version>2.6</commons-lang.version><slf4j.version>1.7.6</slf4j.version><spring.version>4.1.3.RELEASE</spring.version><jackson.version>2.5.4</jackson.version></properties><dependencyManagement><dependencies><dependency><groupId>org.springframework</groupId><artifactId>spring-framework-bom</artifactId><version>${spring.version}</version><type>pom</type><scope>import</scope></dependency></dependencies></dependencyManagement><dependencies><dependency><groupId>org.springframework</groupId><artifactId>spring-webmvc</artifactId></dependency><dependency><groupId>commons-lang</groupId><artifactId>commons-lang</artifactId><version>${commons-lang.version}</version></dependency><dependency><groupId>org.slf4j</groupId><artifactId>slf4j-log4j12</artifactId><version>${slf4j.version}</version><exclusions><exclusion><artifactId>slf4j-api</artifactId><groupId>org.slf4j</groupId></exclusion></exclusions></dependency><dependency><groupId>org.slf4j</groupId><artifactId>slf4j-api</artifactId><version>${slf4j.version}</version></dependency><dependency><groupId>javax.servlet</groupId><artifactId>servlet-api</artifactId><version>2.5</version></dependency><dependency><groupId>commons-fileupload</groupId><artifactId>commons-fileupload</artifactId><version>1.3.1</version></dependency><dependency><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-databind</artifactId><version>${jackson.version}</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>

web.xml有多余代码

<?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>Spring MVC Study</display-name><!-- Spring应用上下文， 理解层次化的ApplicationContext --><context-param><param-name>contextConfigLocation</param-name><param-value>/WEB-INF/configs/spring/applicationContext*.xml</param-value></context-param><listener><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener>[颖火虫]上面多余,下面是主要配置<!-- DispatcherServlet, Spring MVC的核心 --><servlet><servlet-name>mvc-dispatcher</servlet-name><servlet-class> org.springframework.web.servlet.DispatcherServlet</servlet-class><!-- DispatcherServlet对应的上下文配置， 默认为/WEB-INF/$servlet-name$-servlet.xml--><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><!-- mvc-dispatcher拦截所有的请求--><url-pattern>/</url-pattern></servlet-mapping>
</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/beanshttp://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsdhttp://www.springframework.org/schema/mvchttp://www.springframework.org/schema/mvc/spring-mvc.xsd"><!-- 本配置文件是工名为mvc-dispatcher的DispatcherServlet使用， 提供其相关的Spring MVC配置 -->[颖火虫主要]<!-- 启用Spring基于annotation的DI, 使用户可以在Spring MVC中使用Spring的强大功能。 激活 @Required @Autowired,JSR 250's @PostConstruct, @PreDestroy and @Resource 等标注 --><context:annotation-config />[颖火虫主要]<!-- DispatcherServlet上下文， 只管理@Controller类型的bean， 忽略其他型的bean, 如@Service --><context:component-scan base-package="com.imooc.mvcdemo"><context:include-filter type="annotation"expression="org.springframework.stereotype.Controller" /></context:component-scan><!-- HandlerMapping, 无需配置， Spring MVC可以默认启动。 DefaultAnnotationHandlerMapping annotation-driven HandlerMapping -->[颖火虫主要]<!-- 扩充了注解驱动，可以将请求参数绑定到控制器参数 --><mvc:annotation-driven /><!-- 静态资源处理， css， js， imgs --><mvc:resources mapping="/resources/**" location="/resources/" /><!-- 配置ViewResolver。 可以用多个ViewResolver。 使用order属性排序。 InternalResourceViewResolver放在最后。 --><beanclass="org.springframework.web.servlet.view.ContentNegotiatingViewResolver"><property name="order" value="1" /><property name="mediaTypes"><map><entry key="json" value="application/json" /><entry key="xml" value="application/xml" /><entry key="htm" value="text/html" /></map></property><property name="defaultViews"><list><!-- JSON View --><beanclass="org.springframework.web.servlet.view.json.MappingJackson2JsonView"></bean></list></property><property name="ignoreAcceptHeader" value="true" /></bean>[颖火虫主要][配置ViewResolver][前缀后缀拼接]<beanclass="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><!--200*1024*1024即200M resolveLazily属性启用是为了推迟文件解析，以便捕获文件大小异常 --><bean id="multipartResolver"class="org.springframework.web.multipart.commons.CommonsMultipartResolver"><property name="maxUploadSize" value="209715200" /><property name="defaultEncoding" value="UTF-8" /><property name="resolveLazily" value="true" /></bean></beans>

FireFlyMvcController.java

package com.imooc.mvcdemo.controller;import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;@Controller
@RequestMapping("/firefly")[颖火虫拦截/firefly]
public class FireFlyMvcController {@RequestMapping("/mvc")[颖火虫拦截/firefly/mvc]// host:8080/firefly/mvcpublic String fireFlyMvc() {//yingbao.jsp[颖火虫跳转yingbao.jsp]return "yingbao";}}

yingbao.jsp

<body>
Here is yingbao's Spring MVC!
</body>

jetty:run

http://localhost:8080/firefly/mvc