springmvc的前端控制器

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