消息模块-模型定义

class Messaging.models.Announcement(id, title, content, source, recipient, create_dt, category, read)

class Messaging.models.Message(*args, **kwargs)

消息

class Messaging.models.MessageFile(*args, **kwargs)

消息文件

class Messaging.models.News(id, title, content, source, recipient, create_dt, category, read)

class Messaging.models.PersonalMessage(id, title, content, source, recipient, create_dt, category, read)