SpringBoot中的自定义starter

<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-autoconfigure</artifactId>
	<version>2.1.8.RELEASE</version>
	<!-- 表明不传递spring-boot-autoconfigure依赖 -->
    <optional>true</optional>
</dependency>

<groupId>com.hello</groupId>
<artifactId>helloService-spring-boot-starter</artifactId>
<version>0.0.1-SNAPSHOT</version>

@ConfigurationProperties(prefix = "javaboy")
public class HelloProperties {
	privatestaticfinal String DEFAULT_NAME = "默认名";
	privatestaticfinal String DEFAULT_MSG = "默认消息";
	private String name = DEFAULT_NAME;
	private String msg = DEFAULT_MSG;
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getMsg() {
		return msg;
	}
	public void setMsg(String msg) {
		this.msg = msg;
	}
}

public class HelloService {
	private String msg;
	private String name;
	public String sayHello() {
		return name + " say " + msg + " !";
	}
	public String getMsg() {
		return msg;
	}
	public void setMsg(String msg) {
		this.msg = msg;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
}

org.springframework.boot.autoconfigure.aop.AopAutoConfiguration

@Configuration
@EnableConfigurationProperties(HelloProperties.class)
@ConditionalOnClass(HelloService.class)
public class HelloServiceAutoConfiguration {
	@Autowired
	HelloProperties helloProperties;
	@Bean
	HelloService helloService() {
		HelloService helloService = new HelloService();
		helloService.setName(helloProperties.getName());
		helloService.setMsg(helloProperties.getMsg());
		return helloService;
	}
}

org.springframework.boot.autoconfigure.EnableAutoConfiguration = \
com.hello.autoconfigure.HelloServiceAutoConfiguration

<dependency>
	<groupId>com.hello</groupId>
	<artifactId>helloService-spring-boot-starter</artifactId>
	<version>0.0.1-SNAPSHOT</version>
</dependency>

javaboy.name=我的名字
javaboy.msg=提示消息

@RunWith(SpringRunner.class)
@SpringBootTest
public class MystarterApplicationTest {
	@Autowired
	private HelloService helloService;
	@Test
	public void contextLoads() {
		System.out.println(helloService.sayHello());
	}
}