>14
15 DBOpen(conn);
16 //在返回值上有问题
17 scmd.ExecuteNonQuery();
18 iRet = (int)scmd.Parameters["@myVerifyReader"].Value;
19 DBClose(conn);
20 return iRet;
21 }
SQL SERVER存储过程
------------------------------
/*
* VerifyUser 存储过程
* 用途：验证用户登陆
*/
CREATE PROCEDURE VerifyUser
(
@myVerifyReader int OUTPUT, --返回结果
@username varchar(50), --用户名
@userpassword varchar(50) --用户密码
)
AS
IF EXISTS(SELECT [id] FROM [Users] WHERE username = @username AND userpassword = @userpassword)
SET @myVerifyReader = 0 --通过验证
ELSE IF EXISTS(SELECT [id] FROM [Users] WHERE username = @username)
SET @myVerifyReader = 1 --用户存在，密码不正确
ELSE
SET @myVerifyReader = 2 --用户不存在
RETURN isnull(@myVerifyReader,3)
-------------------------------------------------
GO 上一页 [1] [2]
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