SpringBoot如何让自定义的属性有提示

 依赖

   <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-configuration-processor</artifactId>
            <optional>true</optional>
        </dependency>

 配置类

@ConfigurationProperties(prefix = "luck")
@EnableConfigurationProperties(LuckProperties.class)
@Data
public class LuckProperties {
    private String language;
}

 配置文件

server:
  port: 10000
luck:
  language: java

重新编译

 出现这个表示成功