<!‐‐导入配置文件处理器，配置文件进行绑定就会有提示‐‐>

<dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring‐boot‐configuration‐processor</artifactId>

<optional>true</optional>

</dependency>

@Component

@ConfigurationProperties(prefix = "person")

@Validated

public class Person {

/**

* <bean class="Person">

* <property name="lastName" value="字面量/${key}从环境变量、配置文件中获取值/#

{SpEL}"></property>

* <bean/>

*/

//lastName必须是邮箱格式

@Email

//@Value("${person.last‐name}")

private String lastName;

//@Value("#{11*2}")

private Integer age;

//@Value("true")

private Boolean boss;

private Date birth;

private Map<String,Object> maps;

private List<Object> lists;

private Dog dog;