1  搭建Spring开发环境
2  Spring配置web.xml  启用Spring的请求接收器DispatcherServlet

1. <web-app>
2.    <servlet>
3.       <servlet-name>Dispatcher</servlet-name>
4.       <servlet-class> org.springframework.web.servlet.DispatcherServlet </servlet-class>
5.       <init-param>
6.        <param-name>contextConfigLocation</param-name>
7.        <param-value>/WEB-INF/applicationContext.xml</param-value>
8.       </init-param>
9.       <load-on-startup>1</load-on-startup>
10.    </servlet>
11.    <servlet-mapping>
12.       <servlet-name>Dispatcher</servlet-name>
13.       <url-pattern>*.do</url-pattern>
14.    </servlet-mapping>
15. </web-app>