aspnet_Membership_CreateUser

ALTER PROCEDURE dbo.aspnet_Membership_CreateUser
@ApplicationName NVARCHAR(256),
@UserName NVARCHAR(256),
@Password NVARCHAR(128),
@Email NVARCHAR(256),
@PasswordQuestion NVARCHAR(256),
@PasswordAnswer NVARCHAR(128),
@IsApproved BIT,
@TimeZoneAdjustment INT,
@CreateDate DATETIME = NULL,
@UniqueEmail INT = 0,
@PasswordFormat INT = 0,
AS
DECLARE @ApplicationId UNIQUEIDENTIFIER
SELECT @ApplicationId = NULL

DECLARE @NewUserId UNIQUEIDENTIFIER
SELECT @NewUserId = NULL

SET @IsLockedOut = 0

SET @FailedPasswordAttemptCount = 0

SET @FailedPasswordAttemptWindowStart = CONVERT( DATETIME, '17540101', 112 )

SET @FailedPasswordAnswerAttemptCount = 0

SET @FailedPasswordAnswerAttemptWindowStart = CONVERT( DATETIME, '17540101', 112 )

DECLARE @NewUserCreated BIT
DECLARE @ReturnValue INT
SET @ReturnValue = 0

DECLARE @ErrorCode INT
SET @ErrorCode = 0

DECLARE @TranStarted BIT
SET @TranStarted = 0

IF( @@TRANCOUNT = 0 ) ----如果活动事务数为0,开始事务
BEGIN
BEGIN TRANSACTION
SET @TranStarted = 1 ----开始事务,设置事务参数为1
END
ELSE
SET @TranStarted = 0 -----如果活动事务不为0,设置事务参数为0

EXEC dbo.aspnet_Applications_CreateApplication @ApplicationName, @ApplicationId OUTPUT

--执行存储过程输出@ApplicationId
IF( @@ERROR <> 0 ) --如果错误不为0
BEGIN
SET @ErrorCode = -1 --设置错误参数为-1
GOTO Cleanup --转先Cleanup
END

IF (@CreateDate IS NULL) ----如果创建日期为空,则执行存储过程输出创建日期
EXEC dbo.aspnet_GetUtcDate @TimeZoneAdjustment, @CreateDate OUTPUT
ELSE
SELECT @CreateDate = DATEADD(n, -@TimeZoneAdjustment, @CreateDate) -- switch TO UTC time

SELECT @NewUserId = UserId FROM dbo.aspnet_Users WHERE LOWER(@UserName) = LoweredUserName AND @ApplicationId = ApplicationId

IF ( @NewUserId IS NULL )----如果用户ID不存在
BEGIN
SET @NewUserId = @UserId ----用传入的用户ID给@NewUserId附值,做为下面存储过程的输入参数,也是输出参数
EXEC @ReturnValue = dbo.aspnet_Users_CreateUser @ApplicationId, @UserName, 0, @CreateDate, @NewUserId OUTPUT

SET @NewUserCreated = 1 ----表示存储过程已在aspnet_Users表中添加数据完成
END
ELSE
BEGIN----如果用户ID存在则要转向回滚状态
SET @NewUserCreated = 0 ---表示此用户存在,位能创建
IF( @NewUserId <> @UserId AND @UserId IS NOT NULL )---此处是为了判断返回怎样的错误类型
BEGIN
SET @ErrorCode = 6
GOTO Cleanup --转向回滚
END
END

IF( @@ERROR <> 0 ) ---继续判断(应该是判断上面有没有发生什么错误吧)
BEGIN
SET @ErrorCode = -1
GOTO Cleanup
END

IF( @ReturnValue = -1 ) ---返回值为上面添加另一张表的返回值,-1表示未添加
BEGIN
SET @ErrorCode = 10
GOTO Cleanup ---转向回滚
END

IF ( EXISTS ( SELECT UserId
FROM dbo.aspnet_Membership
WHERE @NewUserId = UserId ) )---aspnet_Membership表中是否存在要插入的用户ID
BEGIN
SET @ErrorCode = 6 ----存在返回错误代码
GOTO Cleanup ----转向回滚
END

SET @UserId = @NewUserId ---此@NewUserId为上面SELECT语句的@NewUserId

IF (@UniqueEmail = 1) --判断邮箱唯一
BEGIN
IF (EXISTS (SELECT *
FROM dbo.aspnet_Membership m WITH ( UPDLOCK, HOLDLOCK )
WHERE ApplicationId = @ApplicationId AND LoweredEmail = LOWER(@Email)))
BEGIN ---如果存在此邮箱
SET @ErrorCode = 7
GOTO Cleanup
END
END
INSERT INTO dbo.aspnet_Membership
( ApplicationId,
UserId,
Password,
PasswordSalt,
Email,
LoweredEmail,
PasswordQuestion,
PasswordAnswer,
PasswordFormat,
IsApproved,
IsLockedOut,
CreateDate,
LastLoginDate,
LastPasswordChangedDate,
LastLockoutDate,
FailedPasswordAttemptCount,
FailedPasswordAttemptWindowStart,
FailedPasswordAnswerAttemptCount,
FailedPasswordAnswerAttemptWindowStart )
VALUES ( @ApplicationId,
@UserId,
@Password,
@PasswordSalt,
@Email,
LOWER(@Email),
@PasswordQuestion,
@PasswordAnswer,
@PasswordFormat,
@IsApproved,
@IsLockedOut,
@CreateDate,
@CreateDate,
@CreateDate,
@LastLockoutDate,
@FailedPasswordAttemptCount,
@FailedPasswordAttemptWindowStart,
@FailedPasswordAnswerAttemptCount,
@FailedPasswordAnswerAttemptWindowStart )

IF( @@ERROR <> 0 )
BEGIN
SET @ErrorCode = -1
GOTO Cleanup
END

IF (@NewUserCreated = 0)

BEGIN
UPDATE dbo.aspnet_Users
SET LastActivityDate = @CreateDate
WHERE @UserId = UserId
IF( @@ERROR <> 0 )
BEGIN
SET @ErrorCode = -1
GOTO Cleanup
END
END

SELECT @CreateDate = DATEADD( n, @TimeZoneAdjustment, @CreateDate )

IF( @TranStarted = 1 )
BEGIN
SET @TranStarted = 0
COMMIT TRANSACTION
END

RETURN 0

Cleanup:

BEGIN
END

END

GO