帮助文档: http://flask-wxpay.readthedocs.io/en/latest/
initialized:
from flask_wxpay import WXPay
wxpay = WXPay()
wxpay.init_app(app)创建订单,生成prepay data:
from flask_wxpay import now_str
from core import wxpay
out_trade_no = now_str()
order_data = wxpay.unified_order(out_trade_no, total_fee, ip, body, openid=openid)
prepay_data = wxpay.get_jsapi_prepay_data(order_data['prepay_id'])| WXPAY_BASE_URL | 默认值: https://api.mch.weixin.qq.com |
| WXPAY_REQUEST_TIMEOUT | 默认值: 10 |
| WX_APPID | 公众账号ID |
| WXPAY_MCHID | 商户号 |
| WXPAY_KEY | 商户支付密钥Key |
| WXPAY_NOTIFY_URL | 默认异步通知url |
| WXPAY_ROOTCA_PATH | rootca证书路径，对应requests的verify参数,默认为None |
| WXPAY_APICLIENT_CERT_PATH | 客户端证书路径，默认值None |
| WXPAY_APICLIENT_KEY_PATH | 客户端证书key的路径，默认值None |
| WXPAY_SANDBOX | 是否使用沙箱环境，默认为 False |