web.xml配置详解

<!DOCTYPE web-app PUBLIC
 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd" >
<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">

	<!-- <display-name>Archetype Created Web Application</display-name> -->
	<!-- 初始化springIOC容器监听器 -->
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath:application.xml</param-value>
	</context-param>
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>
	<!-- 初始化springIOC容器监听器 -->
	
	 <!-- 配置前段控制器dispatcherServlet -->
	 <servlet>
	 	<servlet-name>dispatcherServlet</servlet-name>
	 	<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
	 	<!-- 指定springMvc核心配置文件位置 -->
	 	<init-param>
	 		<param-name>contextConfigLocation</param-name>
	 		<param-value>classpath:springmvc.xml</param-value>
	 	</init-param>
	 	<!-- 
	 		load-on-startup 这个一定要写在init-param之后，不然项目启动会报错
	 	 -->
	 	<load-on-startup>1</load-on-startup>
	 </servlet>
	 
	 <servlet-mapping>
	 	<servlet-name>dispatcherServlet</servlet-name>
	 	<url-pattern>/</url-pattern>
	 </servlet-mapping>
</web-app>