def checkisnoseatpro(productlist):
    """
    检测传入的商品列表中是否还存在未占位商品
    add by hexiaoxia 2019/04/16
    :param productlist: 商品列表
    :return:
    """
    for product in productlist:
        for seat in product.productSeatList:
            if seat.seat == False:
                return True
    return False
