sql中返回新增行ID

1、sql语句中
insert into tableName() output inserted.id values()
2 、存储过程中
ALTER PROCEDURE dbo.getBuyMedicID
(
    @id int output,
    @AllsumMoney money
    )
AS
begin
    INSERT INTO
    t_buyMedic(sumMoney,buyDate)
    VALUES(@AllsumMoney,getdate())
    select @id=@@identity
    end
    RETURN