@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