重要的知识点

1、Spring容器 、Spring MVC容器区别

<web-app>
    ...
    <!-- 利用Spring提供的ContextLoaderListener监听器去监听ServletContext对象的创建，并初始化WebApplicationContext对象 -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <!-- Context Configuration locations for Spring XML files(默认查找/WEB-INF/applicationContext.xml) -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>
    <!-- 配置Spring MVC的前端控制器：DispatchcerServlet -->
    <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:springmvc.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>

简述Spring容器与SpringMVC的容器的联系与区别
Spring容器 SpringMVC容器 web容器的关系