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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;@SpringBootTestpublic 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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