https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/industry/virtual-payment.html

请求虚拟支付wx.requestVirtualPayment(Object object)

唤起收银台报错， 请求参数： {"mode":"short_series_goods","paySig":"5e8dc68909d021016f6f99a1cf1c1da081268ba34eb93fe433605f4f366dc946","signData":"{\"attach\":\"1782661884437614592\",\"buyQuantity\":1,\"currencyType\":\"CNY\",\"env\":0,\"goodsPrice\":3900,\"offerId\":\"1450126168\",\"outTradeNo\":\"1780917744761499761\",\"productId\":\"200\"}","signature":"7c959914dcd2343a4566144eefc09dd761db9e985cd1ea22584d2593882a7244"}