<!-- 配置springmvc 的核心servlet -->

    <servlet>

        <servlet-name>spring</servlet-name>

        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

        <init-param>

            <param-name>contextConfigLocation</param-name>

            <!-- 指定springmvc 配置文件的路径 默认为 /WEB-INF/<[servlet-name]-servlet.xml> 例如此处为/WEB-INF/spring-servlet.xml

                下面配置的也就是默认值 -->

            <param-value>classpath*:config/spring-servlet.xml</param-value>

        </init-param>

        <!-- 配置随服务器启动自动初始化 -->

        <load-on-startup>1</load-on-startup>

    </servlet>

    <servlet-mapping>

        <servlet-name>spring</servlet-name>

         <!—过滤所有的请求-->

        <url-pattern>/</url-pattern>

    </servlet-mapping>

<mvc:resourceslocation="/css/"mapping="/css/**"/>

   <mvc:resourceslocation="/js/"mapping="/js/**"/>

     <mvc:resourceslocation="/img/"mapping="/img/**"/>