获取订单结算页面信息 该方法会返回订单结算页面的详细信息：商品名称、价格、数量、库存状态等。 :return: 结算信息 dict

* Query an element selector if it's not an element already.

获取当前的日期与时间 return: date "%Y-%m-%d %H:%M:%S"

* Resolve an asset. * This function is used because child instances need access * to assets defined in its ancestor chain.

* Runtime helper for resolving raw children VNodes into a slot object.

提交订单 重要： 1.该方法只适用于普通商品的提交订单（即可以加入购物车，然后结算提交订单的商品） 2.提交订单时，会对购物车中勾选✓的商品进行结算（如果勾选了多个商品，将会提交成一个订单） :return: True/False

* Convert an Array-like object to a real Array.

* Add class with compatibility for SVG since classList is not supported on * SVG elements in IE

* Cross-platform code generation for component v-model

* Normalize a transition hook's argument length. The hook may be: * - a merged hook (invoker) with the original in .fns * - a wrapped component

获取商品名称