Spring-boot configuration file Usage

Configuration file Format two application.properties and APPLICATION.YML

Use of the. YML Configuration

1, using the @Value ("attribute name in ${configuration file}") annotation Injection configuration content

2. Referencing the configuration in configuration

　　${the property name in the configuration file}

3, configuration injected into the entity class annotation @ConfigurationProperties (prefix = "girl")

For automatic assembly, it is necessary to @Component

4. Multi-Environment configuration

development environment and production environment configuration switch Spring: Profiles: active:xxx

Start-up configuration file parameter jave-jar ....--spring.profile.active=xxxx

Spring-boot configuration file Usage