在spring boot应用程序中基于请求头参数在属性文件之间动态切换

spring.profiles.active=@spring.profile@

@Configuration
public class CustomConfiguration {

    @Value("${spring.profiles.active}")
    private String activeProfile;

    @Bean
    public static PropertySourcesPlaceholderConfigurer propertyConfigurer() {
        PropertySourcesPlaceholderConfigurer configurer = new PropertySourcesPlaceholderConfigurer();
        configurer.setIgnoreUnresolvablePlaceholders(true);
        return configurer;
    }

    @Bean
    public CommandLineRunner commandLineRunner(Environment environment) {
        return args -> {
            String profile = environment.getProperty("spring.profiles.active");
            if (profile != null && profile.equals("@spring.profile@")) {
                MutablePropertySources propertySources = ((AbstractEnvironment) environment).getPropertySources();
                String headerProfile = // 从请求头参数中获取profile值
                if ("dev".equals(headerProfile)) {
                    PropertySource<?> source = new ResourcePropertySource("classpath:/application-dev.properties");
                    propertySources.addFirst(source);
                } else if ("prod".equals(headerProfile)) {
                    PropertySource<?> source = new ResourcePropertySource("classpath:/application-prod.properties");
                    propertySources.addFirst(source);
                }
            }
        };
    }
}

@RestController
public class MyController {

    @Value("${my.property}")
    private String myProperty;

    @GetMapping("/property")
    public String getProperty() {
        return myProperty;
    }
}