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处理重复上号

jinwenjian 2010-1-21 20:00:22 1093
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 [dbo].[TB_USER] 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 [dbo].[CURRENTUSER] WHERE  strAccountID =@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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