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???Spring Boot?????YAML??????????

?Spring Boot???????????????????????????????????????????????????????YAML???????????

1. ???????

???????????pom.xml?????Spring Boot?????????????????????????????????????

   
    
    
     org.springframework.boot
    
    
    
     spring-boot-configuration-processor
    
   

2. ?Person?????

????????????Person??????????????????????????????@Component?@ConfigurationProperties???

@Component
@ConfigurationProperties(prefix = "person")
public class Person {
    public String name;
    public int age;
    public Date birthday;
    public Map
   
     map;
    public List
    
      list;
}
    
   

• @Component????????????Spring?IOC????
• @ConfigurationProperties(prefix = "person")?????????????????????person??????????

3. ????

??????????????Person??????@Autowired????????????????????????

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
@SpringBootTest
public class DemoApplicationTests {
    @Autowired
    private Person person;
    @Test
    void contextLoads() {
        System.out.println("?????" + person);
    }
}

4. ??????

????????????????????????????????????????

Person{name='zhangsan', age=20, birthday=Sun Nov 01 00:00:00 CST 2020, map={k1=v1, k2=v2}, list=[aaa, bbb, ccc]}

5. ??????

?resources????????applications.yml????????

person:
  name: zhangsan
  age: 20
  birthday: 2020/11/1
  map:
    k1: v1
    k2: v2
  list:
    - aaa
    - bbb
    - ccc

??????????????????????????????Person????????????????????????????????????????????

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