通过串口连接短信猫进行短信的群发、单发、接收；管理群发订单、用户账户等

				
				drop table T_Orders cascade constraints;
				
				drop table T_PhoneNumber cascade constraints;
				
				drop table T_Users cascade constraints;
				
				drop table T_SendLog cascade constraints;
				
				drop table T_ReceivedLog cascade constraints;
				/*定单表*/
				create table T_Orders 
				(
				     OrderID int not null,
				     OrderStart date not null, 
				     OrderEnd  date  not null, 
				     OrderContent  varchar(140) not null 
				); 
				alter table T_Orders
				add constraint PK_T_Orders_OrderID primary key(OrderID);
				/*--定单号码列表*/
				create table T_PhoneNumber 
				(
				     phoNumID int not null,
				     OrderID int not null, 
				     phoNumber varchar(24) not null
				); 
				alter table T_PhoneNumber
				add constraint PK_T_PhoneNumber_phoNumID primary key(phoNumID);
				
				alter table T_PhoneNumber
				add constraint FK_T_Orders_OrderID foreign key (OrderID) references T_Orders(OrderID);
				
				/*--用户表*/
				create table T_Users
				(
				     UserID int not null,
				     UserName varchar(20) not null,
				     UserPassword  varchar(12),
				     UserAuthority	int,
				     UserCreateTime date not null
				); 
				alter table T_Users
				add constraint PK_Users_UserID primary key(UserID);
				
				alter table T_Users   
				add constraint CK_UserAuthority check(UserAuthority=0 or UserAuthority=1);
				
				/*--发送日志*/
				create table T_SendLog  
				(
				    SendID int not null,
				    OrderID int null, 
				    SendTime date not null,
				    SendResult int not null, 
				    SendNumber  varchar(24)	not null 
				); 
				alter table T_SendLog
				add constraint PK_T_SendLog_SendID primary key(SendID);
				
				alter table T_SendLog
				add constraint FK_T_SendLog_OrderID foreign key (OrderID) references T_Orders(OrderID);
				
				alter table T_SendLog 
				add constraint CK_T_SendLog_SendResult check(SendResult=0 or SendResult=1);
				
				/*--接收日志*/
				create table T_ReceivedLog 
				(
				       RecID int not null,
				       RecPeerNumber varchar(24)	not null,
				       ReplyTime	date	not null,
				       ReplyContent	varchar(140)	null 
				); 
				alter table T_ReceivedLog
				add constraint PK_T_ReceivedLog_RecID primary key(RecID);
				
				COMMIT;