从动态SQL中返回值

declare @TransactorID int
set @TransactorID=0
print(@TransactorID)
--exec sp_executesql N"select @TransactorID=68 ",N"@TransactorID int ",@TransactorID

exec sp_executesql N"select @TransactorID=5 ",N"@TransactorID int out ",@TransactorID out
print(@TransactorID)