<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
         id="WebApp_ID" version="3.0">


    <context-param>
        <param-name>contextConfigLocation</
 
param-name>
        <param-value>classpath*:applicationContext.xml</param-value>
    </context-param>

    <!--註冊ContextLoaderListener,加載根應用上下文-->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class
 
>
    </listener>

    <!--註冊DispatcherServlet，加載應用上下文-->
    <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*:spring-servlet.xml</param-value>    <!--若不顯示添加配置文件路徑,則會默認加載servlt-name的名字+"-servlet.xml"-->
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <!--servlet映射-->
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
</web-app>

【常用配置】Spring框架web.xml通用配置