@ConfigurationProperties
// 添加依赖
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<version>2.1.17.RELEASE</version>
</dependency>
@EnableConfigurationProperties
@ConfigurationPropertiesScan(basePackages
或者
@Configuration
// 需要有 set 方法