POM
在 pom.xml 配置文件中增加 org.springframework:spring-webmvc 依赖
1 2 3 4 5 <dependency > <groupId > org.springframework</groupId > <artifactId > spring-webmvc</artifactId > <version > 4.3.17.RELEASE</version > </dependency >
配置 web.xml
CharacterEncodingFilter
配置字符集过滤器，用于解决中文编码问题
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 <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 >
DispatcherServlet
配置 Spring 的 Servlet 分发器处理所有 HTTP 的请求和响应
1 2 3 4 5 6 7 8 9 10 11 12 13 <servlet > <servlet-name > springServlet</servlet-name > <servlet-class > org.springframework.web.servlet.DispatcherServlet</servlet-class > <init-param > <param-name > contextConfigLocation</param-name > <param-value > classpath*:/spring-mvc*.xml</param-value > </init-param > <load-on-startup > 1</load-on-startup > </servlet > <servlet-mapping > <servlet-name > springServlet</servlet-name > <url-pattern > /</url-pattern > </servlet-mapping >
配置 Spring MVC
创建一个名为 spring-mvc.xml 文件来配置 MVC
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 <?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"> <description > Spring MVC Configuration</description > <context:property-placeholder ignore-unresolvable ="true" location ="classpath:myshop.properties" /> <context:component-scan base-package ="com.lusifer.myshop" use-default-filters ="false" > <context:include-filter type ="annotation" expression ="org.springframework.stereotype.Controller" /> </context:component-scan > <mvc:annotation-driven /> <bean class ="org.springframework.web.servlet.view.InternalResourceViewResolver" > <property name ="prefix" value ="${web.view.prefix}" /> <property name ="suffix" value ="${web.view.suffix}" /> </bean > <mvc:resources mapping ="/static/**" location ="/static/" cache-period ="31536000" /> </beans >
相关配置说明：
context:property-placeholder：动态加载属性配置文件以变量的方式引用需要的值
context:component-scan：当前配置文件为 MVC 相关，故只需要扫描包含 @Controller 的注解即可，由于 spring-context.xml 配置文件中也配置了包扫描，所以还需要排除 @Controller 的注解扫描。
InternalResourceViewResolver：视图文件解析器的一种，用于配置视图资源的路径和需要解释的视图资源文件类型，这里有两个需要配置的属性 prefix（前缀）以及 suffix（后缀）。
refix：配置视图资源路径，如：/WEB-INF/views/suffix：配置视图资源类型，如：.jsp
mvc:resources：静态资源映射，主要用于配置静态资源文件存放路径，如：JS、CSS、Image 等
系统相关配置
在 spring-mvc.xml 中，我们配置了
1 <context:property-placeholder ignore-unresolvable ="true" location ="classpath:myshop.properties" />
用于动态加载属性配置文件，实际开发中我们会将系统所需的一些配置信息封装到 .properties 配置文件中便于统一的管理。
创建一个名为 myshop.properties 的配置文件，内容如下：
1 2 3 4 5 6 7 web.view.prefix =/WEB-INF/views/ web.view.suffix =.jsp
去掉 Spring 配置的重复扫描
由于 spring-mvc.xml 中已经配置了 @Controller 注解的扫描而 spring-context.xml 中配置的是扫描全部注解，故在这里需要将 @Controller 注解的扫描配置排除。
修改 spring-context.xml 配置：
1 2 3 4 <context:component-scan base-package ="com.funtl.my.shop" > <context:exclude-filter type ="annotation" expression ="org.springframework.stereotype.Controller" /> </context:component-scan >
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