87.【SpringBoot-01】（三）

# 外对象
person:
# 基本属性
  name: jsxs
  age: 18
  happy: No
  birth: 2001/12/01
#键值对
  maps: {k1: v1,k2: v2}
#数组
  lists:
    - code
    - music
    - girls
# 内嵌对象
  dog:
    name: 旺财
    age: 15

package com.example.springboot01hello;
import com.example.springboot01hello.pojo.Dog;
import com.example.springboot01hello.pojo.people;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
import javax.annotation.Resource;
@SpringBootTest
class SpringBoot01HelloApplicationTests {
@Resource   //进行自动装配的操作，也就是我们前面的
    private Dog dog;
@Resource
private people people;
    @Test
    void contextLoads() {
        System.out.println(dog);
        System.out.println(people);
    }
}

package com.example.springboot01hello.pojo;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.PropertySource;
import org.springframework.stereotype.Component;
import java.util.Date;
import java.util.List;
import java.util.Map;
@Component
//javaConfig 绑定我么配置文件的值，可以采用这些方式
// 加载指定的配置文件
@PropertySource(value = "classpath:jsxs.properties")
public class people {
//  SPEL表达式读取配置文件的值
 @Value("${name}")
    private String name;
    @Value("${age}")
    private Integer age;
    @Value("${happy}")
    private Boolean happy;
    @Value("${birth}")
    private Date birth;   //这里的日期格式，一定要是xxxx/xx/xx否则报错
    private Map<String,Object> maps;
    private List<Object> lists;
    private Dog dog;
    public people(String name, Integer age, Boolean happy, Date birth, Map<String, Object> maps, List<Object> lists, Dog dog) {
        this.name = name;
        this.age = age;
        this.happy = happy;
        this.birth = birth;
        this.maps = maps;
        this.lists = lists;
        this.dog = dog;
    }
    public people() {
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public Integer getAge() {
        return age;
    }
    public void setAge(Integer age) {
        this.age = age;
    }
    public Boolean getHappy() {
        return happy;
    }
    public void setHappy(Boolean happy) {
        this.happy = happy;
    }
    public Date getBirth() {
        return birth;
    }
    public void setBirth(Date birth) {
        this.birth = birth;
    }
    public Map<String, Object> getMaps() {
        return maps;
    }
    public void setMaps(Map<String, Object> maps) {
        this.maps = maps;
    }
    public List<Object> getLists() {
        return lists;
    }
    public void setLists(List<Object> lists) {
        this.lists = lists;
    }
    public Dog getDog() {
        return dog;
    }
    public void setDog(Dog dog) {
        this.dog = dog;
    }
    @Override
    public String toString() {
        return "people{" +
                "name='" + name + '\'' +
                ", age=" + age +
                ", happy=" + happy +
                ", birth=" + birth +
                ", maps=" + maps +
                ", lists=" + lists +
                ", dog=" + dog +
                '}';
    }
}

# 外对象
person:
# 基本属性
  name: jsxs${random.uuid}
  age: ${random.int}
  happy: false
  birth: 2001/12/01
  hello: sdsdsd
#键值对
  maps: {k1: v1,k2: v2}
#数组
  lists:
    - code
    - music
    - girls
# 内嵌对象
  dog:
    # 假如说person这个yaml类中不存在hello,那么就会输出hello00_旺财
    # 假如说存在: 就会输出存在的hello的值
    name: ${person.hello:hello00}_旺财
    age: 15