public class GlobalInterceptor  implements HandlerInterceptor {    public boolean preHandle(HttpServletRequest request,            HttpServletResponse response, Object handler) throws Exception {                System.out.println("GlobalInterceptor 开始调用");                return true;    }    public void postHandle(HttpServletRequest request,            HttpServletResponse response, Object handler,            ModelAndView modelAndView) throws Exception {        // TODO Auto-generated method stub        System.out.println("GlobalInterceptor 调用中");            modelAndView.addObject("msg", "GlobalInterceptor 传入");    }    public void afterCompletion(HttpServletRequest request,            HttpServletResponse response, Object handler, Exception ex)            throws Exception {        // TODO Auto-generated method stub        System.out.println("GlobalInterceptor 调用完成");    }}

 

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