salesVoid 取消銷售單據接口 接口說明:(如使用第三方電子支付方式,只能做退貨,不可以取消。涉及會員銷售,要校驗是否有足夠的積分扣除) Interface Description: (If a third-party electronic payment method is used, it can only be returned and cannot be cancelled. When it comes to vip sales, check whether there is enough bouns deduction) V2025.10.10 接口修改说明: 为区别单据属性 Request void doc 的 transHdr.docType 必须为“V”