@ConfigurationProperties

配置类

@Component
public class MyConfig1 {

    @Bean
    public User user(){
        return new User();
    }

}

@Data
@ConfigurationProperties(prefix = "user")
public class User {

    private String myName;

    private int age;

    public User(String myName, int age) {
        this.myName = myName;
        this.age = age;
    }
    public User(){

    }

    @Override
    public String toString() {
        return "User{" +
                "myName='" + myName + '\'' +
                ", age=" + age +
                '}';
    }
}

application.properties

user.myName=zhangsan
user.age=20

输出类

  public static void main(String[] args) {
        ConfigurableApplicationContext run = SpringApplication.run(StudyWork1Application.class, args);
        User user = run.getBean(User.class);
        System.out.println(user);
    }

输出结果

标签：String,age,myName,ConfigurationProperties,user,public,User
来源： https://www.cnblogs.com/dabo-tian/p/16460154.html