目录

 9、onRefresh();留给子容器（子类）

 9、onRefresh();留给子容器（子类）

/**
 * Template method which can be overridden to add context-specific refresh work.
 * Called on initialization of special beans, before instantiation of singletons.
 * <p>This implementation is empty.
 * @throws BeansException in case of errors
 * @see #refresh()
 */
//子类重写这个方法，在容器刷新的时候可以自定义逻辑
protected void onRefresh() throws BeansException {
	// For subclasses: do nothing by default.
}