### 附錄 B.2.1. 內嵌屬性 該注解處理器自動將內部類當做內嵌屬性處理。例如，下面的類： ```java @ConfigurationProperties(prefix="server") public class ServerProperties { private String name; private Host host; // ... getter and setters private static class Host { private String ip; private int port; // ... getter and setters } } ```