public class MyInterceptors implements HandlerInterceptor {
//在目标方法执行之前 执行
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
return false;
}
//在目标方法执行之后 视图对象返回之前 执行
public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) {
}
//在流程执行完毕后 执行
public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) {
}
}
<!--配置拦截器-->
<mvc:interceptors>
<mvc:interceptor>
<!--对哪些资源执行拦截操作-->
<mvc:mapping path="/**"/>
<bean class="cn.itcast.interceptors.MyInterceptors"/>
</mvc:interceptor>
</mvc:interceptors> |
|
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