>微信小程序预下单获取支付参数接口 ~~~[api] post:/pay/miniProgramPreOrder/gateway *string:outOrderId#订单ID *string:openid#openid <<< success { "status":"0000", "codemsg":"下单成功", "data":{ "appId": "wx110a460d85fab9f0", "timeStamp": "1574142664", "nonceStr": "cae4dbe40b684721907aa85fa622ee88", "package": "prepay_id=wx19135104370548ea24fb57421242631600", "signType": "RSA", "status": "0", "paySign": "w3aUBLL46mFRMnksWq7gg74miFfOP/G0idZxzXEuM870lYcv3ZYzJ8uDpwZEb6YARd9NZcrZYQ+H4ZA6YSca4t0Kvt3CzZVpsmePRpdj+IiPWhjxIyq8zbfe+UoMiwB9GfTwwOeH86gKaWIcGwvyBmhn44A37FTo2oRrSZpN+b6x6F9dnQ7LpF/tVzOT7YtEFeMlMzz8uQRXJ/HnM0hE1GOeZ6+6tm1M9N9EKzkGklnWZJY24lks7v3FGgOnd44f25wYa9/GPI/SPgSIF6EPWkwAemIeFe8KYKtTvVP/a99pQzM9+gksFYkfc8MlSHup9tBqVs6hhl8AHZId73h+Bg==", "callback_url": null } <<< error {"status":errorcode,"codemsg":error msg} ~~~