-Dspring.config.location=E:/workspace/xxxx/application.yml
-Dspring.config.location=E:/workspace/xxxx/db.yml

@SpringBootApplication
public class Springboot01Application {
    public static void main(String[] args) {
        // springboot 默認(rèn)的配置文件路徑
        // String addClassPath = "spring.config.location:classpath:/";
        // 自定義的配置文件路徑
        String addClassPath = "spring.config.additional-location:classpath:/";
        addClassPath += ",classpath:/config/env/";
        new SpringApplicationBuilder(Springboot01Application.class).
                properties("spring.config.name:application", addClassPath).build().run(args);
    }
}

person.name=xiaomaomao-dev
person.pet=dog-dev
person.hobby=LOL-dev
person.cleverLevel=nine-dev

person.name=xiaomaomao-sit
person.pet=dog-sit
person.hobby=LOL-sit
person.cleverLevel=nine-sit

person.name=xiaomaomao-uat
person.pet=dog-uat
person.hobby=LOL-uat
person.cleverLevel=nine-uat

person.name=xiaomaomao-pro
person.pet=dog-pro
person.hobby=LOL-pro
person.cleverLevel=nine-pro

spring.profiles.active=sit

@Configuration
@PropertySource("classpath:config/env/application.properties")
@ConfigurationProperties(prefix = "person")
// 省略了 get/set
public class Person {
    private String name;
    private String pet;
    private String hobby;
    private String cleverLevel;
}

@RestController
public class SpringbootProfileController {
    @Autowired
    private ApplicationContext ioc;
    @RequestMapping(value = "/profile")
    public String testProfiles() {
        Person person = ioc.getBean("person", Person.class);
        System.out.println(person);
        return "hello profiles!!!";
    }
}

spring:
   profiles:
      active: uat # 指定激活哪個(gè)配置文件
---
 
server:
   port: 8082
spring:
   profiles: dev 
---
 
server:
   port: 8083
spring:
   profiles: sit  
---
 
server:
   port: 8084
spring:
   profiles: uat