// 创建Spring Boot项目

@SpringBootApplication

public class MessagePlatformApplication {

public static void main(String[] args) {

SpringApplication.run(MessagePlatformApplication.class, args);

}

}

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// 定义批量发送消息的服务类

@Service

public class MessageService {

public void sendMessages(List recipients, String message) {

for (String recipient : recipients) {

sendMessage(recipient, message);

}

}

private void sendMessage(String recipient, String message) {

// 实现具体的消息发送逻辑，这里仅作示例

System.out.println("Sending message to " + recipient + ": " + message);

}

}

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// 编写测试类

@RunWith(SpringRunner.class)

@SpringBootTest

public class MessageServiceTest {

@Autowired

private MessageService messageService;

@Test

public void testSendMessages() {

List recipients = Arrays.asList("user1@example.com", "user2@example.com");

messageService.sendMessages(recipients, "Hello, this is a test message.");

}

}

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