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±íÃ÷ users Óû§±í
×Ö¶Î accountnum varchar(50) --±íʾÕ˺Å
password varchar(50) --±íʾÃÜÂë
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create proc use_login
(
@accountnum varchar(50),
@password varchar(50),
@message varchar(50) output
)
as
if exists(select * from users where accountnum=@accountnum and password=@password)
set @message='µÇ¼³É¹¦'
else if exists(select * from users where accountnum=@accountnum )
set @message='ÃÜÂë´íÎó'
else if exists(select * from users where password=@password)
set @message='Óû§Ãû´íÎó'
else
set @message='Óû§ÃûºÍÃÜÂë¶¼´íÎó'
declare @msg as varchar(50)
exec use_login 'text','text',@msg output
print @msg
×¢²á´æ´¢¹ý³Ì
create proc use_registration
(
@accountnum varchar(50),
@password varchar(50),
@message varchar(50) output
)
as
if exists(select * from users where accountnum=@accountnum)
set @message='¸ÃÓû§ÒѾ´æÔÚ'
else
begin
insert into users values(@accountnum,@password)
set @message='¹§Ï²Äú£¬¿ÉÒÔ×¢²á¸ÃÓû§'
end
declare @msg as varchar(50)
exec use_registration 'text','text',@msg output
print @msg
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