web项目启动初始化java Demo

import org.springframework.context.ApplicationEvent;import org.springframework.context.ApplicationListener;import org.springframework.context.event.ContextRefreshedEvent;import org.springframework.stereotype.Component;@Componentpublic class DicListener implements ApplicationListener<ApplicationEvent> {@Overridepublic void onApplicationEvent(ApplicationEvent applicationEvent) {if (applicationEvent instanceof ContextRefreshedEvent) {//逻辑代码}}}