springboot如何通过@Value,@ConfigurationProperties获取配置

    # 线程池配置
    taskexecutor:
      corePoolSize: 5
      maxPoolSize: 10
      queueCapacity: 25

@Configuration
@EnableAsync
public class ExecutorConfig {
    @Value("${taskexecutor.corePoolSize}")
    private int corePoolSize;
    @Value("${taskexecutor.maxPoolSize}")
    private int maxPoolSize;
    @Value("${taskexecutor.queueCapacity}")
    private int queueCapacity;
    @Bean
    public Executor getAsyncExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(corePoolSize);
        executor.setMaxPoolSize(maxPoolSize);
        executor.setQueueCapacity(queueCapacity);
        executor.setThreadNamePrefix("TaskExecutor-");
        executor.initialize();
        return executor;
    }
    }

    @Configuration
    @EnableAsync
    @ConfigurationProperties(ignoreUnknownFields = false，prefix = "taskexecutor")
    public class ExecutorConfig {
    private int corePoolSize;
    private int maxPoolSize;
    private int queueCapacity;
    @Bean
    public Executor getAsyncExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(corePoolSize);
        executor.setMaxPoolSize(maxPoolSize);
        executor.setQueueCapacity(queueCapacity);
        executor.setThreadNamePrefix("TaskExecutor-");
        executor.initialize();
        return executor;
    }
    }

@Component
@ConfigurationProperties(prefix = "person")
@Validated
public class Person {
 
    /**
     * <bean class="Person">
     *      <property name="lastName" value="字面值/${key} 从环境变量，配置文件中获取值/#{Spel}"></property>
     * </bean>
     */
    //Value("${person.last-name}")
    //lastName必须为邮箱格式
    @Email
    private String lastName;
    //@Value("#{11*2}")
    private Integer age;
    //@Value("true")
    private Boolean boss;
    private Date birth;
    private Map<String, Object> maps;
    private List<Object> list;
    private Dog dog;