中华坛花兰(Ⅱ级)主要步骤:遍历执行bootstrapRegistryInitializersSimpleApplicationEventMulticaster代为管理listener,并发布容器starting通知Application Listeners加载prepareEnvironment打印printBannercreateApplicationContext(),支持REACTIVE、servlet、none(不使用嵌套webserver)prepareContext()https://www.nowcoder.com/discuss/606624580093882368refre...