springboot/spring使用ConfigurationProperties注解读取自定义属性（尚硅谷）

pom.xml

xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0modelVersion>
    <parent>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-starter-parentartifactId>
        <version>2.2.6.RELEASEversion>
        <relativePath/>
    parent>
    <groupId>com.atguigugroupId>
    <artifactId>demoartifactId>
    <version>0.0.1-SNAPSHOTversion>
    <name>demoname>
    <description>上硅谷spring boot学习description>

    <properties>
        <java.version>1.8java.version>
    properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starterartifactId>
        dependency>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-configuration-processorartifactId>
            <optional>trueoptional>
        dependency>
        <dependency>
            <groupId>org.projectlombokgroupId>
            <artifactId>lombokartifactId>
            <scope>providedscope>
            <version>1.18.12version>
        dependency>

        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-testartifactId>
            <scope>testscope>
            <exclusions>
                <exclusion>
                    <groupId>org.junit.vintagegroupId>
                    <artifactId>junit-vintage-engineartifactId>
                exclusion>
            exclusions>
        dependency>
        <dependency>
            <groupId>org.junit.platformgroupId>
            <artifactId>junit-platform-launcherartifactId>
            <scope>testscope>
        dependency>
        <dependency>
            <groupId>junitgroupId>
            <artifactId>junitartifactId>
            <version>4.11version>
            <scope>testscope>
        dependency>
    dependencies>

    <build>
        <plugins>
            
            <plugin>
                <groupId>org.springframework.bootgroupId>
                <artifactId>spring-boot-maven-pluginartifactId>
            plugin>
            
            <plugin>
                <groupId>org.apache.maven.plugingroupId>
                <artifactId>maven-compiler-pluginartifactId>
                <version>2.1version>
                <configuration>
                    <skip>trueskip>
                configuration>
            plugin>
            <plugin>
                <groupId>org.apache.maven.pluginsgroupId>
                <artifactId>maven-surefire-pluginartifactId>
                <version>2.5version>
                <configuration>
                    <skip>trueskip>
                configuration>
            plugin>
        plugins>
    build>
project>

DemoApplicationTests.java

package com.atguigu;

import com.atguigu.bean.Person;
import lombok.extern.slf4j.Slf4j;
import org.junit.jupiter.api.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;

@RunWith(SpringRunner.class)
@SpringBootTest
@Slf4j
class DemoApplicationTests {


    @Autowired
    Person person;

    @Test
    void customProperties()
    {
        log.info("{}",person);
    }
}

application.yml（lastName等价于last-name)

debug: true
server:
 port: 8080
person:
 lastName: zhangsan
 age: 18
 boss: false
 birth: 2017/12/12
 maps: {k1: v1,k2: 'zhangsan \nlisi',k3: "zhangsan \nlisi"}
 lists:
   - lisi
   - zhaoliu
 dog:
  name: happy
  age: 5

等价的application.properties

debug=true
person.lastName=zhangsan
person.age=18
person.boss=false
person.birth=2017/12/12
person.maps.k1=v1
person.maps.k2='zhangsan \nlisi'
person.maps.k3="zhangsan \nlisi"
person.lists=[lisi, zhaoliu]
person.dog.name=happy
person.dog.age=5
server.port=8080

DemoApplication.java

package com.atguigu;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class DemoApplication {

    public static void main(String[] args) {
        SpringApplication.run(DemoApplication.class, args);
    }
}

Dog.java

package com.atguigu.bean;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

@Data
@AllArgsConstructor
@NoArgsConstructor
public class Dog {
    private String name;
    private Integer age;
}

Person.java

package com.atguigu.bean;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

import java.util.Date;
import java.util.List;
import java.util.Map;

@Data
@AllArgsConstructor
@NoArgsConstructor
@Component
@ConfigurationProperties(prefix = "person")
public class Person {
    private String lastName;
    private Integer age;
    private Boolean boss;
    private Date birth;

    private Map maps;
    private List