mssql,procedure,tran,transaction,事务，数据库事务，获取上一次的ID

create procedure AddUserInfo
@LoginName varchar(50),
@Password varchar(50),
@Remark varchar(200),
@RealName varchar(50),
@RoleID int,
@lastID int output
as
begin tran
  insert into dbo.SysUserInfo(LoginName,[Password],Remark,RealName) values(@LoginName,@Password,@Remark,@RealName)
  select @lastID=scope_identity()
  insert into UserRoleInfo(UserInfoAutoID,RoleInfoAutoID) values(@lastID,@RoleID)
  if @@error<>0
    begin
      rollback tran
    end
  else
    begin
      commit tran
    end
go