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我想根据我的属性文件中设置的密钥名称从 AWS Secret Manager 中检索我的数据库密码。然而，我似乎无法application.yml像我希望的那样从文件中读取属性。在下面的代码中，my.project.aws-secret和my.project.region都被检索为null.

我期望这些属性此时可以检索是错误的吗？这是实现这一目标的正确方法，还是有更简单的方法？

这是代码。我目前正在尝试使用 an 来执行此操作ApplicationListener，但我也看到了同样的问题来实现它EnvironmentPostProcessor：

应用程序监听器

public class DatasourceAwsProperties implements ApplicationListener<ApplicationEnvironmentPreparedEvent> {

    @Override
    public void onApplicationEvent(ApplicationEnvironmentPreparedEvent event) {
        ConfigurableEnvironment environment = event.getEnvironment();
        Properties props = new Properties();

        String datasourcePassword = environment.getProperty("my.project.aws-secret"); // why is this null?
        String awsRegion = environment.getProperty("my.project.region"); // why is this null?

        String secret = getSecret(datasourcePassword, awsRegion);

        MapPropertySource newProperties = new MapPropertySource("newProperties", ImmutableMap.of("spring.datasource.password", secret));

        environment.getPropertySources().addLast(newProperties);
    }

    public static String getSecret(String secretName, String region) {
        // gets secret from aws
}

应用程序.yml

lots:
  of:
    properties: ...

my:
  project:
    aws-secret: the-name-of-the-secret-in-aws
    region: us-east-1
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