public class SysInteceptor implements HandlerInterceptor {

    /**

     * 最后执行，可用于释放资源

     */

    @Override

    public void afterCompletion(HttpServletRequest arg0,

            HttpServletResponse arg1, Object arg2, Exception arg3)

            throws Exception {

        // TODO Auto-generated method stub

    }

    /**

     * 生成视图之前执行

     */

    @Override

    public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1,

            Object arg2, ModelAndView arg3) throws Exception {

        // TODO Auto-generated method stub

    }

    /**

     * Action之前执行

     */

    @Override

    public boolean preHandle(HttpServletRequest arg0, HttpServletResponse arg1,

            Object arg2) throws Exception {

        // TODO Auto-generated method stub

        return true;

    }

}