springboot配置加载顺序

转:https://blog.csdn.net/zl1zl2zl3/article/details/83716564


1、Devtools global settings properties on your home directory (~/.spring-boot-devtools.properties when devtools is active).
2、@TestPropertySource annotations on your tests.
3、@SpringBootTest#properties annotation attribute on your tests.
4、Command line arguments.
5、Properties from SPRING_APPLICATION_JSON (inline JSON embedded in an environment variable or system property)
6、ServletConfig init parameters.
7、ServletContext init parameters.
8、JNDI attributes from java:comp/env.
9、Java System properties (System.getProperties()).
10、OS environment variables.
11、A RandomValuePropertySource that only has properties in random.*.
12、Profile-specific application properties outside of your packaged jar (application-{profile}.properties and YAML variants)
13、Profile-specific application properties packaged inside your jar (application-{profile}.properties and YAML variants)
14、Application properties outside of your packaged jar (application.properties and YAML variants).
15、Application properties packaged inside your jar (application.properties and YAML variants).
16、@PropertySource annotations on your @Configuration classes.
17、Default properties (specified using SpringApplication.setDefaultProperties).


spring boot配置属性加载顺序:1、开发者工具 `Devtools` 全局配置参数;2、单元测试上的 `@TestPropertySource` 注解指定的参数;3、单元测试上的 `@SpringBootTest` 注解指定的参数;4、命令行指定的参数,如 `java -jar springboot.jar --name="Java技术栈"`;5、命令行中的 `SPRING_APPLICATION_JSON` 指定参数, 如 `java -Dspring.application.json=‘{"name":"Java技术栈"}‘ -jar springboot.jar`6、`ServletConfig` 初始化参数;7、`ServletContext` 初始化参数;8、JNDI参数(如 `java:comp/env/spring.application.json`);9、Java系统参数(来源:`System.getProperties()`);10、操作系统环境变量参数;11、`RandomValuePropertySource` 随机数,仅匹配:`ramdom.*`;12、JAR包外面的配置文件参数(`application-{profile}.properties(YAML)`)13、JAR包里面的配置文件参数(`application-{profile}.properties(YAML)`)14、JAR包外面的配置文件参数(`application.properties(YAML)`)15、JAR包里面的配置文件参数(`application.properties(YAML)`)16、`@Configuration`配置文件上 `@PropertySource` 注解加载的参数;17、默认参数(通过 `SpringApplication.setDefaultProperties` 指定);

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