SpringBoot配置文件详解

1一个宠物店有，猫 、狗 、猪
2这个宠物店叫JavaFamily
3店长有职称、 姓名两个属性 
4店员有一个真名一个昵称
5宠物除了名字和品种外还有父母的集合
6父母有品种和年龄两个属性

petStore:
  petStoreName: "JavaFamily"
  manager:
    title: doctor
    name: ya
  employee: 
    name: 
      - a
      - b
  pet:
    name: p
    variety: keji
    parents:
      - variety: keji
        age: 2
      - variety: keji
        age: 4

parents:
     - {variety: keji,age: 2}
     - {variety: keji,age: 4}

"Java \n Family" -> Java
                    Family
'Java \n Family' -> Java \n Family

parents:
     - variety: keji
       age: ${random.int(10)}

// 生成一个int,long型随机数...
${random.int} 
${random.long} 
...  

pet:
  name: ${petStore.pet.name:p} 

package com.javafamily.familydemo.model;

import lombok.Data;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

@Data
@Component
public class PetStore {
    // 在应用启动时，自动将petStore.petStoreName属性的值绑定到私有变量petStoreName上面，实现赋值效果。
    @Value("${petStore.petStoreName}")
    private String petStoreName;

}

package com.javafamily.familydemo;

import com.javafamily.familydemo.model.PetStore;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit.jupiter.SpringExtension;

import javax.annotation.Resource;

@ExtendWith(SpringExtension.class)
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.DEFINED_PORT)
public class StoreTest {
    @Resource
    PetStore petStore;

    @Test
    public void hello() throws Exception {
        System.out.println(petStore.toString());
    }
}

package com.javafamily.familydemo.model;

import lombok.Data;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

@Data
@Component
// @ConfigurationProperties注解不能使用驼峰写法
@ConfigurationProperties(prefix = "petstore")

public class PetStore {
    // 在应用启动时，自动将petStore.petStoreName属性的值绑定到私有变量petStoreName上面，实现赋值效果。
    // @Value("${petStore.petStoreName}")
    private String petStoreName;
    private Manager manager;
    private Employee employee;
    private Pet pet;
}

@Data
class Manager {
    private String title;
    private String name;
}

@Data
class Employee {
    private String[] name;
}

@Data
class Pet {
    private String name;
    private String variety;
    private Parents[] parents;
}

@Data
class Parents {
    private String variety;
    private Integer age;
}