多店铺多商品合并支付。
多店铺多商品合并支付会产生什么问题？如何规避？
回复内容：
多店铺多商品合并支付会产生什么问题？如何规避？
支付网关支持即可，不需要特别规避。例如支付宝合并交易支付接口。
事实上你将创建一个父订单，该订单有1+个子订单，在支付网关支持的情况下付款方仅需一次付款，但是每个子订单都会得到一个独立的交易号，只有这样某个子订单发生问题的时候可以单独退款而不影响其它子订单。
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