public override void Visit(Medicine a)
{
Console.WriteLine("药房工作者：" + name + "拿药 ：" + a.getName());
}
public override void Visit(Medicine a)
{
Console.WriteLine("审核人员：" + name + "审核药品 ：" + a.getName() + "审核价格:" + a.getPrice());
}
public override void Visit(Medicine a)
{
Console.WriteLine("划价员：" + name + "给药" + a.getName() + "划价:" + a.getPrice());
}