SpringBoot启动run方法分析 1.场景引入 ①.实现ServletContextListener接口contextInitialized方法** ②.@PostConstruct注解方式 ③.实现ServletContextAware接口setServletContext 方法** ④.@EventListener方式 ⑤.实现ApplicationRunner接口run
通过实现这些接口,可以在 Spring Boot 启动完成后执行指定的方法。 importorg.springframework.boot.CommandLineRunner;importorg.springframework.stereotype.Component;@ComponentpublicclassStartupTaskimplementsCommandLineRunner{@Overridepublicvoidrun(String...args)throwsException{System.out.println("This method is exec...
*/ package org.springframework.boot.context.event; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.boot.SpringApplication; import org.springframework.boot.SpringApplicationRunListener; import org.springframework.context.ApplicationContextAware; ...
privateorg.springframework.boot.web.servlet.ServletContextInitializergetSelfInitializer(){// 看到这里也许有人会疑惑,方法是有返回值的,怎么它返回了void// 其实它是使用了lamda的匿名实现方式,换种写法可能更容易理解return servletContext->selfInitialize(servletContext)returnthis::selfInitialize;}privatevoidselfIni...
不是则是json。若报错回跳转到/error的URL，同一个URL不同的处理方式是由Spring boot提供的Basic...
这里为了省事,我就在 Spring Boot 中来和大家演示。 首先我们来定义一个简单的 UserService: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 @ServicepublicclassUserService{publicvoidhello(){System.out.println("hello javaboy!");}} 然后提供一个工具类: ...
Combining the advanced concepts of SpringBoot with the simplicity and elegance of C#, declarative programming focuses on "what to do" rather than "how to do it", and writes code at a higher level.将SpringBoot的先进理念与C#的简洁优雅合二为一,声明式编程,
SpringBoot springboot源码解析(一):启动过程 1、springboot的入口程序 @SpringBootApplicationpublicclassStartupApplication{publicstaticvoidmain(String[] args) {SpringApplication.run(StartupApplication.class, args); } } 当程序开始执行之后,会调用SpringApplication的构造方法,进行某些初始参数的设置 ...
spring boot crud应用程序启动失败，原因是“启动tomcat上下文时出错”例外：org.springframework.beans....
Description Starting on v2.7.12 (last working version was v2.7.11) and up to any 3.x.x version Spring Boot Remote has stopped working. Whenever a remote session is started and changes are detected, Spring Remote tries to restart the appl...