springboot 配置文件yaml

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-configuration-processor</artifactId>
            <optional>true</optional>
        </dependency>

name:wt

person:
  name:wt
  age:10

student:{name:wt, age:10}

pets:
  - cat
  - dpg
  - pig
行内写法
pet:{cat, dog, pig}

package com.wt.boot.pojo;

import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

@Component
@ConfigurationProperties(prefix = "dog")
public class Dog {
    private String name;
    private int age;

    public Dog() {
    }

    public Dog(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    @Override
    public String toString() {
        return "Dog{" +
                "name=‘" + name + ‘\‘‘ +
                ", age=" + age +
                ‘}‘;
    }
}

server:
  port: 8083

dog:
  name: 二哈
  age: 10

package com.wt.boot;

import com.wt.boot.pojo.Dog;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;

@SpringBootTest
class BootApplicationTests {
    @Autowired
    private Dog dog;

    @Test
    void contextLoads() {
        System.out.println(dog.toString());
    }

}

@Validated 类的注解
@Email 属性的注解