1     <!-- springmvc 入口，就是一个servlet -->
 2     <servlet>
 3         <servlet-name>spring_dispatch</servlet-name>
 4         <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
 5         <init-param>
 6             <param-name>contextConfigLocation</param-name>
 7             <param-value>classpath:springconfig/spring-servlet.xml</param-value>
 8         </init-param>
 9     </servlet>
10 
11     <servlet-mapping>
12         <servlet-name>spring_dispatch</servlet-name>
13         <!-- 这里 url 用/   别用/*  否则jsp 页面不能访问 -->
14         <url-pattern>/</url-pattern>
15     </servlet-mapping>

<url-pattern>/*</url-pattern>