//在SpringMVC的配置文件中配置

    <mvc:interceptors>
        <mvc:interceptor>
     //拦截路径为/mvc/**的请求
            <mvc:mapping path="/mvc/**"/>
   //注入拦截器所在的类
<bean class="test.SpringMVC.Interceptor.MyInterceptor"></bean>
        </mvc:interceptor>        
    </mvc:interceptors>