SpringBoot配置文件属性注入

author:
  name: 莫提
  age: 22
  isMan: true
  # 日期格式必须为 yyyy/MM/dd HH:mm:ss
  birthday: 1999/07/29 12:00:00
  # 数组或集合使用,分割
  friends: 张三,李四,王五,赵六
  # 此处为JSON字符串，双引号包裹
  school: "{'name':'宜春学院','location':'江西-宜春','major':'计算机科学与技术'}"

@SpringBootTest
public class InjectionTest {
    /**
     * 注入基本数据类型
     */
    @Value("${author.name}")
    private String name;
    @Value("${author.age}")
    private Integer age;
    @Value("${author.isMan}")
    private Boolean isMan;
    /**
     * 注入日期
     */
    @Value("${author.birthday}")
    private Date birthday;
    /**
     * 注入数组或集合
     */
    @Value("${author.friends}")
    private List<String> friends;
    /**
     * 注入JSON转为Map
     */
    @Value("#{${author.school}}")
    private Map<String,Object> school;
    @Test
    public void test(){
        System.out.println("name = " + name);
        System.out.println("age = " + age);
        System.out.println("birthday = " + birthday);
        System.out.println("isMan = " + isMan);
        System.out.println("friends = " + friends);
        System.out.println("school = " + school);
    }
}

@Data
@Component
@ConfigurationProperties(prefix = "author")
public class Author {
    private String name;
    private Integer age;
    private Date birthday;
    private Boolean isMan;
    private List<String> friends;
}

@SpringBootTest
public class InjectionTest {
    /**
     * 注入对象
     */
    @Autowired
    private Author author;
    @Test
    public void test(){
        System.out.println("author = " + author);
    }
}

project.name=测试DEMO
project.jdk=1.8

@Data
@Component
@ConfigurationProperties(prefix = "project")
@PropertySource("classpath:/custom.properties")
public class Project {
    private String name;
    private String jdk;
}

@SpringBootTest
public class InjectionTest {
    /**
     * 注入自定义配置文件对象
     */
    @Autowired
    private Project project;
    @Test
    public void test(){
        System.out.println("project = " + project);
    }
}