Table: msg_recive	Remarks: 消息接收
------------+--------------+------+-----+---------+---------
 Field      | Type         | Null | Key | Default | Remarks 
------------+--------------+------+-----+---------+---------
 id         | VARCHAR(18)  | NO   | PRI |         |         
 domain     | VARCHAR(20)  | YES  |     |         | 子域      
 subjectId  | VARCHAR(18)  | YES  |     |         | 主体ID    
 reciveId   | VARCHAR(18)  | YES  |     |         | 接收者ID   
 reciveName | VARCHAR(20)  | YES  |     |         | 接收者姓名   
 recived    | INT(10)      | YES  |     | 0       | 接收状态    
 reciveTime | DATETIME(19) | YES  |     |         | 接收时间    
 readed     | INT(10)      | YES  |     |         | 是否已读    
 readTime   | DATETIME(19) | YES  |     |         | 已读时间    
 reciveUsed | INT(10)      | YES  |     | 1       | 收件箱留存   
------------+--------------+------+-----+---------+---------

Table: msg_subject	Remarks: 消息主体
------------+---------------+------+-----+---------+---------
 Field      | Type          | Null | Key | Default | Remarks 
------------+---------------+------+-----+---------+---------
 id         | VARCHAR(18)   | NO   | PRI |         |         
 domain     | VARCHAR(20)   | YES  |     |         | 子域      
 mtype      | INT(10)       | YES  |     |         | 消息类型    
 content    | VARCHAR(5000) | YES  |     |         | 消息内容    
 senderId   | VARCHAR(18)   | YES  |     |         | 发送者ID   
 senderName | VARCHAR(20)   | YES  |     |         | 发送者姓名   
 sendUsed   | INT(10)       | YES  |     | 1       | 发件箱留存   
 cdate      | DATETIME(19)  | YES  |     |         | 创建时间    
------------+---------------+------+-----+---------+---------

Table: msg_user	Remarks: 消息用户处理
----------+--------------+------+-----+---------+---------
 Field    | Type         | Null | Key | Default | Remarks 
----------+--------------+------+-----+---------+---------
 id       | VARCHAR(18)  | NO   | PRI |         |         
 domain   | VARCHAR(20)  | YES  |     |         | 子域      
 userId   | VARCHAR(20)  | YES  |     |         | 用户ID    
 lastDate | DATETIME(19) | YES  |     |         | 最后一次接收时间
----------+--------------+------+-----+---------+---------

