ios端通过微信小程序客服助手进行支付

留心：signData：详细付出参数见signData, 该参数需以string模式通报, 譬喻signData: '{"offerId":"123","buyQuantity":1,"enZZZ":0,"currencyType":"CNY","platform":"android","productId":"testproductId","goodsPrice":10,"outTradeNo":"VVVVVV","attach":"testdata"}须要依照要求接入 “虚拟付出”