SpringBoot学习笔记

1.基本尝试
2.banner
3.server.port
4.server.context-path/contextPath/CONTEXT_PATH

	@Value("${book.author}")
	private String bookAuthor;

	@Value("${book.name}")
	private String bookName;

@Component
@ConfigurationProperties(prefix = "author", locations = {"classpath:config/author.properties"})
public class AuthorSettings {

    private String name;
    private Long age;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Long getAge() {
        return age;
    }

    public void setAge(Long age) {
        this.age = age;
    }
}

spring.profiles.active=dev

<dependency>
    <groupId>person.zt</groupId>
	<artifactId>spring-boot-starter-hello</artifactId>
	<version>1.0-SNAPSHOT</version>
</dependency>

@Configuration
@EnableConfigurationProperties(HelloServiceProperties.class)
@ConditionalOnClass(HelloService.class)
@ConditionalOnProperty(prefix = "hello", value = "enabled", matchIfMissing = true)
public class HelloServiceAutoConfiguration {

    @Autowired
    private HelloServiceProperties helloServiceProperties;

    @Bean
    @ConditionalOnMissingBean(HelloService.class)
    public HelloService helloService(){
        System.out.println(">>>>我的自动配置开始生成 HelloService 的Bean了！！！");
        HelloService helloService = new HelloService();
        helloService.setMsg(helloServiceProperties.getMsg());
        return helloService;
    }
}

org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
  person.zt.spring_boot_starter_hello.HelloServiceAutoConfiguration