处理重复上号
CREATE PROCEDURE ACCOUNT_LOGIN@AccountID varchar(21),
@Password varchar(13),
@nRet smallint OUTPUT
AS
delete from currentuser where straccountid = @AccountID
DECLARE @Nation tinyint, @CharNum smallint
SET @Nation = 0
SET @CharNum = 0
DECLARE @pwd varchar(13)
SET @pwd = null
SELECT @pwd = strPasswd FROM . WHERE strAccountID = @AccountID and idays=6
IF @pwd IS null
BEGIN
SET @nRet = 4
--SET @nRet = 4
RETURN
END
ELSE IF @pwd <> @Password
BEGIN
SET @nRet = 3
--SET @nRet = 3
RETURN
END
SELECT @nRet = count(*) FROM . WHEREstrAccountID =@AccountID
IF @nRet > 0
BEGIN
SET @nRet = 5
RETURN
END
SELECT @Nation = bNation, @CharNum = bCharNum FROM ACCOUNT_CHAR WHERE strAccountID = @AccountID
IF @@ROWCOUNT = 0
BEGIN
SET @nRet = 1
RETURN
END
IF @CharNum = 0
BEGIN
SET @nRet = 1
RETURN
END
ELSE
BEGIN
SET @nRet = @Nation+1
--SET @nRet = 1
RETURN
END
GO
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