Spring的application.properties (application.yml)的属性值参考 https://docs.spring.io/spring-boot/docs/current/reference/html/common-application-properties.html  # =================================================================== # COMMON SP ...

在使用spring boot 来new一个springApplication时会读取classpath中的 META-INF/spring.factories中定义的Spring Factories. 比如ApplicationContextInitializers和ApplicationListeners. 下面是spring-boot-2.1.6.RELEASE.jar中默认的spring.factories # PropertySource Loaders org.spring ...

在使用IDEA开发Spring Boot application时，如果使用Devtools依赖包时，可以配置automake来实现文件修改后自动build,deploy并不手动重启server的情况下测试改动。配置如下： 1) create Spring Boot project with SB V1.3 and add "Devtools" (1*) to dependencies 2) invoke Help->Find Action... and t ...

Spring中Configuration的使用和理解，转载这篇文章写的挺清晰的文章 https://my.oschina.net/wuweixiang/blog/1837294   从Spring3.0，@Configuration用于定义配置类，可替换xml配置文件，被注解的类内部包含有一个或多个被@Bean注解的方法，这些方法将会被AnnotationConfigApplicationContext或AnnotationConfigWebApplication ...

Spring configuration property的优先级官方说明：https://docs.spring.io/spring-boot/docs/current-SNAPSHOT/reference/htmlsingle/#boot-features-external-config Externalized Configuration Spring Boot lets you externalize your configuration so that you can ...

spring-boot-autoconfigure-2.1.4.release.jar下的spring-autoconfigure-metadata.properties #Thu Apr 04 02:08:30 GMT 2019 org.springframework.boot.autoconfigure.security.servlet.SecurityFilterAutoConfiguration.AutoConfigureAfter=org.springframework.b ...

在spring boot 中使用annotation 配置web.xml中的信息时，不用担心RequestMapping的Url pattern重复，因为在启动 server的时候就会初始化RequestMappingHandlerMapping，会自动检测是否有重复的url mapping. 比如下面的异常就是因为有重复的url mapping: /{version}/hello   org.springframework.beans.factory.BeanCrea ...

Let us begin by defining some central AOP concepts and terminology. These terms are not Spring-specific... unfortunately, AOP terminology is not particularly intuitive; however, it would be even more confusing if Spring used its own terminology. ...

从Spring-core-5.1.9.RELEASE.jar中分析Spring的IoC和AOP技术实现依赖。 从下图中可以看到有三个第三方lib被repack到spring-core中来，分别是asm, cglib,和 objenesis. asm主要用在支持aspectJ的AOP，cglib主要用来实现的类的动态代理,从而进一步实现AOP，objenesis用来类的实例化。   IoC的实现主要靠java的反射机制来实现，结合了Annotation和XML来 ...

Besides ApplicationContextAware and BeanNameAware (discussed earlier), Spring offers a wide range of Aware callback interfaces that let beans indicate to the container that they require a certain infrastructure de ...