SpringBoot 启动报错，EnableConfigurationProperties 注解跳坑记

使用SpringBoot 脚手架搭建的一个简单的 web demo ，开启了属性自动注入，配置文件如下：

@Setter
@Getter
@Configuration
@ConfigurationProperties(prefix = "com.ff")
@EnableConfigurationProperties(FFProperties.class)
public class FFProperties {
    private String database;
}


@Component
public class LocalDataBase {

    private final FFProperties properties;
    public LocalDataBase(FFProperties properties) {
        this.properties = properties;
    }
}

启动服务失败，根据错误信息很明显可以判断出是Spring容器有两个实例，不知道要注入哪个

***************************
APPLICATION FAILED TO START
***************************

Description:

Parameter 0 of constructor in com.hoperun.database.LocalDataBase required a single bean, but 2 were found:
	- ffProperties: defined in file [D:\workspace\demo\target\classes\com\ff\properties\FFProperties.class]
	- com.ff-com.ff.properties.FFProperties: defined in null


Action:

Consider marking one of the beans as @Primary, updating the consumer to accept multiple beans, or using @Qualifier to identify the bean that should be consumed


Process finished with exit code 0

这里配置有个坑，需要注意下，如果注解在配置类的头上，则不要再写上类本身了, 按下面的修改，即可正常运行了

@Setter
@Getter
@Configuration
@ConfigurationProperties(prefix = "com.ff")
@EnableConfigurationProperties
public class FFProperties {
    private String database;
}