存储过程中异常捕捉机制及事物回滚

详细用法可以参照：http://blog.csdn.net/kk185800961/article/details/48347873

具体用法：

BEGIN TRAN

BEGIN TRY

...//具体代码段

COMMIT TRAN

END TRY

BEGIN CATCH

DECLARE @ErrorMessage NVARCHAR(4000) ,

@ErrorSeverity INT ,

@ErrorState INT;

SET @ErrorMessage = ERROR_MESSAGE();

SET @ErrorSeverity = ERROR_SEVERITY();

SET @ErrorState = ERROR_STATE();

RAISERROR (@ErrorMessage, @ErrorSeverity,@ErrorState );

ROLLBACK TRAN

END CATCH