public class LoginIntercetor implements HandlerInterceptor{ @Override public boolean preHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o) throws Exception { System.out.println("进入拦截器"); return true; } @Override public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception { System.out.println("postHandler"); } @Override public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception { System.out.println("处理完成"); } }
<!--配置拦截器--> <mvc:interceptors> <mvc:interceptor> <mvc:mapping path="/**"/> <bean class="com.core.LoginIntercetor"/> <!--那些类不进入拦截器--> <!--<mvc:exclude-mapping path=""></mvc:exclude-mapping>--> </mvc:interceptor> <mvc:interceptor> <mvc:mapping path="/**"/> <bean class="com.core.LoginIntercetor"/> </mvc:interceptor> </mvc:interceptors>