Spring boot配置绑定和配置属性校验的方式详解

sb:
  port: 8086
  username: 'abc \n hello' #字符串 
  password: 6564321 #字符串 
  birthday: 2011/12/23 #日期 
  books: #map 
    jsp: 36 
    html: 78 
    spring: 78 
  books2: {jsp: 56,spring: 65,mybatis: 98} #map 行内 
  person: #javabean 
    name: abc 
    age: 23 
  person2: {name: lily, age: 36 } #javabean行内 
  hobby: #数组 
    - jsp 
    - hibernate 
    - spring 
    - mybatis 
  list: # list集合 
    - 32 
    - 65
    - 98 
  set: #set 集合 
    - hello 
    - world 
  hobby2: [23,45,56] #数组 list set 行内 
  mapList: # 数组 list set 里存map 
    - jsp: 36 
      hibernate: 58 
    - html: 65 
      css: 98 
      js: 65
    - {vue: 36,react: 98}

@Configuration 
@ConfigurationProperties(prefix = "sb") 
public class DbConfig { 
String username; 
String password; 
Date birthday;
Map books;
Person person;
Map books2;
Person person2;
String [] hobby;
List list;
Set set ;
int [] hobby2;
List<Map> mapList;
       /************省略geter/seter方法*************/ 
       }

@RestController
@RequestMapping("/test")
public class ValueController {
    @Autowired
    private CarpollingService carpollingService;
    @GetMapping("/getValue")
    public String getValue(){
        return carpollingService.getValue();
    }
}

@Configuration 
public class CarpollingServiceImpl {
    @Value("${db.port}")
    private String port;
    @Override
    public String getValue() {
        return port;
    }
}

@Data
@Component//添加component注解，使其注册进容器，交由容器进行管理
public class UserBean {
    private String name="张三";}

@RestController
@RequestMapping("/test")
public class ValueController {
       @Autowired
    CarpollingServiceImpl carpollingService;
    @GetMapping("/getValue")
    public String getValue(){
        return carpollingService.getValue();
    }
}

@Configuration
public class CarpollingServiceImpl {
    @Value("#{userBean.name}")
    private String port;
    public String getValue() {
        return port;
    }
}

pro.username=admin 
pro.password=123456 
pro.birthday=2000/12/01 
pro.age=23 
pro.books={jsp:36,html:360,spring:65} 
pro.hobby=23,34 
pro.list=sprig,myatis 

@Component 
@PropertySource("classpath:db.properties") 
@Data 
public class User {
 @Value("${pro.username}") 
 String username; 
 @Value("${pro.password}") 
 String password; 
 @Value("${pro.birthday}") 
 Date birthday;
 }

@Validated
@Configuration
@ConfigurationProperties(prefix = "sb")
public class Testconfig {
    @Max(value = 123)
    private String password;
    public String getPassword() {
        return password;
    }
    public void setPassword(String password) {
        this.password = password;
    }
}

 @Autowired
    Testconfig testconfig;
    @Test
    void a() {
        System.out.println(testconfig.getPassword());
    }

<dependency> 
<groupId>org.springframework.boot</groupId> 
<artifactId>spring-boot-starter-validation</artifactId> 
</dependency>