springboot如何获取接口下所有实现类

public interface LoginUserService {
    /**
     * 判断手机号是否允许登录
     *
     * @param phone 手机号
     * @return 是否允许
     */
    boolean hasUser(String phone) throws ServiceException;
    /**
     * 通过Phone获取用户信息
     *
     * @param phone 手机号
     * @return 用户信息
     */
    UserDTO getUserInfoByPhone(String phone) throws LoginException;
}

@Target({ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
public @interface OrgainzationType {
    LoginTypeEnum value();
}

@Slf4j
@Service
public class LoginServiceImpl implements LoginService, InitializingBean, ApplicationContextAware {
    private ApplicationContext applicationContext;
    protected Map<LoginTypeEnum, LoginUserService> serviceMap = new HashMap<>();
    @Override
    public void afterPropertiesSet() throws Exception {
        // 查找所有LoginUserService接口的实现类
        Map<String, LoginUserService> beanMap = applicationContext.getBeansOfType(LoginUserService.class);
        for (LoginUserService impl : beanMap.values()) {
        	// 获取注解上的类型
            OrgainzationType annotation = AnnotationUtils.findAnnotation(impl.getClass(),OrgainzationType.class);
            // 如果没有添加注解则不需要使用
            if (Objects.isNull(annotation)) {
                continue;
            }
            serviceMap.put(annotation.value(), impl);
        }
    }
    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        this.applicationContext = applicationContext;
    }
 }

package com.example.mavenceshi.service;
/**
 * @author by CLP
 * @Classname UserReader
 * @Description
 * @Date 2020/9/8 15:16
 */
public interface UserReader {
    String getUser();
}

package com.example.mavenceshi.service.impl;
import com.example.mavenceshi.service.UserReader;
import org.springframework.stereotype.Component;
/**
 * @author by CLP
 * @Classname UserReader1
 * @Description
 * @Date 2020/9/8 15:17
 */
@Component
public class UserReaderImpl1 implements UserReader {
    @Override
    public String getUser() {
           return "访问的UserReaderImpl1";
    }
}

package com.example.mavenceshi.service.impl;
import com.example.mavenceshi.service.UserReader;
import org.springframework.stereotype.Component;
/**
 * @author by CLP
 * @Classname UserReaderImpl2
 * @Description
 * @Date 2020/9/8 15:18
 */
@Component
public class UserReaderImpl2 implements UserReader {
    @Override
    public String getUser() {
          return "访问的UserReaderImpl2";
    }
}

package com.example.mavenceshi.config;
import com.example.mavenceshi.service.UserReader;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;
import java.util.HashMap;
import java.util.Map;
/**
 * @author by CLP
 * @Classname BeanConfig
 * @Description
 * @Date 2020/9/8 15:28
 */
@Component
public class BeanConfig implements InitializingBean, ApplicationContextAware {
    private Map<String, UserReader> queryServiceImplMap = new HashMap<>();
    private ApplicationContext applicationContext;
    public UserReader createQueryService(String type) {
        UserReader userReader = queryServiceImplMap.get(type);
        if (userReader == null) {
            return queryServiceImplMap.get("UserReader1Impl");
        }
        return userReader;
    }
    @Override
    public void afterPropertiesSet() throws Exception {
        Map<String, UserReader> beanMap = applicationContext.getBeansOfType(UserReader.class);
        //遍历该接口的所有实现，将其放入map中
        for (UserReader serviceImpl : beanMap.values()) {
            queryServiceImplMap.put(serviceImpl.getClass().getSimpleName(), serviceImpl);
        }
    }
    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        this.applicationContext = applicationContext;
    }
}