alipay.trade.create+JS調起收銀台詳解

說明： 

在很多場景中都會需要通過alipay.trade.create接口生成一筆支付訂單，然後通過JS喚起收銀台支付，例如掃碼點菜等。 

需要注意的點： 

交易狀态必須以異步通知或查詢接口為準，異步通知規則可以參考【

請點選

】。 

create接口demo： 

AlipayClient alipayClient = new DefaultAlipayClient("https://openapi.alipay.com/gateway.do",                TenAlipayConfig.app_id,TenAlipayConfig.merchant_private_key,"json","GBK",TenAlipayConfig.alipay_public_key,"RSA2");                  AlipayTradeCreateRequest request = new AlipayTradeCreateRequest();        request.setBizContent("{" +        "\"out_trade_no\":\"20180320144630111\"," +        "\"total_amount\":0.01," +        "\"discountable_amount\":0.01," +//可打折金額        "\"subject\":\"測試\"," +        "\"buyer_id\":\"2088712969xxxxxx\"," +        "\"store_id\":\"123456\"," +//外部門店編号,此參數會影響優惠券的核銷        "\"timeout_express\":\"90m\"," +                  "\"goods_detail\":[{" +        "\"goods_id\":\"wuhuo1996\"," +//商品編碼，此參數會影響單品券的核銷        "\"goods_name\":\"ipad\"," +        "\"quantity\":1," +        "\"price\":0.01" +        "}]," +        "\"extend_params\":{"+        "\"sys_service_provider_id\":\"208861191743xxxx\""+//此參數未返傭必填參數，2088開頭        "}" +        "}");                  AlipayTradeCreateResponse response;        try {            response = alipayClient.execute(request);            if(response.isSuccess())  System.out.println("調用成功"+response.getBody());            else System.out.println("調用失敗"+response.getBody());        } catch (AlipayApiException e) {            e.printStackTrace();        }finally {                      }           

喚起收銀台demo: 

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