构建统一消息中心与功能清单的后端实现

public class Message {

@Id

@GeneratedValue(strategy = GenerationType.IDENTITY)

private Long id;

private String title;

private String content;

private String type;

private Date sendTime;

// Getters and Setters

}

}

一站式办事大厅

public class MessageService {

@Autowired

private MessageRepository messageRepository;

public List getAllMessages() {

return messageRepository.findAll();

}

public Message getMessageById(Long id) {

return messageRepository.findById(id).orElse(null);

}

public Message createMessage(Message message) {

return messageRepository.save(message);

}

public void deleteMessage(Long id) {

messageRepository.deleteById(id);

}

}

public class Feature {

@Id

@GeneratedValue(strategy = GenerationType.IDENTITY)

private Long id;

private String name;

private String description;

private boolean isActive;

// Getters and Setters

}