创建数据表语句 数据表数据 对上述数据进行TopN排名 select severity,sum(count) as sum from widgt_23 where insertTstamp>='2016-12-05 17:40:00' and insertTstamp<='2016-12-05 18:00:00' group by binary(severity) order by sum desc limit 10; 获取趋势图数据 select * from widgt_23 where
Spring IOC容器其实就是BeanFactory的实例,Spring中BeanFactory的类关系结构如下图: 从上图可以看出Beanfactory作为根接口又细化出三个二级接口,最后又有ConfigurableListableBeanFactory接口统一了这三个接口,最终有DefaultListableBeanFactory实现了上面的接口.DefaultListBeanFactory也是我们最常用的功能完整的IOC容器实现.其子类型XMLBeanFactory在Spring3.1后