代码
@startuml
client -> SpringApplication : run(Class<?>, String[])
SpringApplication -> SpringApplication : new
activate SpringApplication #ABA
SpringApplication -[#F2D]> ApplicationContextInitializer : 加载【META-INF/spring.factories】初始化ApplicationContextInitializer
SpringApplication -> ApplicationListener : 加载【META-INF/spring.factories】初始化ApplicationListener
deactivate
SpringApplication -> SpringApplication : run
activate SpringApplication #FBF
SpringApplication -> SpringApplicationRunListener : 加载【META-INF/spring.factories】初始化SpringApplicationRunListener(SpringApplication,String[])
SpringApplication -[#18F]> SpringApplicationRunListeners : 使用SpringApplicationRunListener初始化SpringApplicationRunListeners
SpringApplication -[#18F]> SpringApplicationRunListeners : starting()【1.启动中】
SpringApplication -[#F11]> ApplicationArguments : new DefaultApplicationArguments(String[])
SpringApplication -> ConfigurableEnvironment : 根据当前环境初始化、配置
SpringApplication -[#18F]> SpringApplicationRunListeners : environmentPrepared()【2.环境准备完成】
SpringApplication -> SpringApplication : bindToSpringApplication 绑定配置到当前SpringApplication对象，前缀spring.main
SpringApplication -> Banner : 打印banner
SpringApplication -[#296]> ConfigurableApplicationContext : 反射初始化ConfigurableApplicationContext
SpringApplication -> SpringBootExceptionReporter : 加载【META-INF/spring.factories】初始化SpringBootExceptionReporter(ConfigurableApplicationContext)
SpringApplication -> SpringApplication : prepareContext
activate SpringApplication #ADC
SpringApplication -[#296]> ConfigurableApplicationContext : setEnvironment
SpringApplication -[#296]> ConfigurableApplicationContext : postProcessApplicationContext
SpringApplication -[#F2D]> ApplicationContextInitializer : initialize
SpringApplication -[#18F]> SpringApplicationRunListeners : contextPrepared()【3.上下文初始化完成】
SpringApplication -> BeanDefinitionLoader : 创建加载器
SpringApplication -> BeanDefinitionLoader : load()加载元数据
SpringApplication -[#18F]> SpringApplicationRunListeners : contextLoaded()【4.上下文加载完成】
deactivate
SpringApplication -[#296]> ConfigurableApplicationContext : refresh()初始化上下文bean
SpringApplication -[#18F]> SpringApplicationRunListeners : started()【5.上下文启动完成】
SpringApplication -[#296]> ConfigurableApplicationContext : 获取ApplicationRunner实例
SpringApplication -[#296]> ConfigurableApplicationContext : 获取CommandLineRunner实例
SpringApplication -> SpringApplication : ApplicationRunner和CommandLineRunner整体排序后调用
SpringApplication -[#18F]> SpringApplicationRunListeners : running()【6.上下文运行中】
deactivate
@enduml
