web应用配置文件详解(web.xml)

转载链接地址：http://blog.csdn.net/guihaijinfen/article/details/8363839

<?xml version="1.0" encoding="UTF-8"?>
<!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>
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <!-- 如果有多个xml参数需要加载，可以使用通配符(*)或者用逗号(",")隔开 -->
        <param-value>classpath:application-context.xml</param-value>
    </context-param>

    <filter>
        <filter-name>CharacterEncodingFilter</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>
    </filter>
    <filter-mapping>
        <filter-name>CharacterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

    <servlet>
    	<!-- 在web.xml中增加对springMVC框架的支持，其实就是增加SpringMVC框架核心过滤器的servlet的配置 -->
        <servlet-name>spring-mvc</servlet-name>
      	<!-- SpringMVC的核心控制器(前端控制器),控制分发配置 -->
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <!-- 指定配置文件的全名，如果不指定，则为这里的servlet-name的属性SpringMVC+"-servlet.xml" -->
            <param-name>contextConfigLocation</param-name>
            <!-- 配置文件的地址 如果不配置contextConfigLocation， 默认查找的配置文件名称classpath下的：servlet名称+"-serlvet.xml"即：springmvc-serlvet.xml -->
            <param-value>classpath:spring-mvc.xml</param-value>
            <!-- 启动服务器时创建此serlvet核心对象 -->
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>spring-mvc</servlet-name>
        <url-pattern>*.do</url-pattern>
    </servlet-mapping>

</web-app>