servlet

<filter>
    <filter-name>springSecurityFilterChain</filter-name>
    <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
</filter>
<filter-mapping>
    <filter-name>springSecurityFilterChain</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>
 <servlet>
    <servlet-name>ws</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
</servlet>
<servlet-mapping>
    <servlet-name>ws</servlet-name>
    <url-pattern>/ws/*</url-pattern>
</servlet-mapping>
<!-- 验证码 -->
<servlet>
    <servlet-name>vc</servlet-name>
    <servlet-class>com.xaweb.manager.common.security.code.CodeServlet</servlet-class>
</servlet>


// 拦截器
public class CodeServlet extends HttpServlet {}