充电桩

流程：
协议：【websocket】
1 活字格：发起 消息【wx_requestPayment】 获取 【prepay_id】；
2 微信：使用【prepay_id】等参数，调用【wx.requestPayment()】;
3 用户填写充值金额，输入支付密码，完成支付；
4 微信：回调通知 【https】【wx_notify_url】,添加账单（金额，支付结果等）到数据库。

{"cmd":"wx_requestPayment","uid":"oDdgN7dcHpNn_Fl8hfDTmJPNz6CY","src":"hzg","dst":"wx","msg":"{\"total\":10}"}

{"cmd":"wx_requestPayment","src":"hzg","dst":"wx","uid":"oDdgN7dcHpNn_Fl8hfDTmJPNz6CY","msg":"{\"appId\":\"wxbee70bb4c3829982\",\"timeStamp\":\"1719732995\",\"nonceStr\":\"hd5rJWef3KLBJGRaQs7JCCBb5zbJfxub\",\"package\":\"prepay_id=wx30153636068093d57a1909c080bb030000\",\"signType\":\"RSA\",\"paySign\":\"cYBtO6FHHIHPqaQZSaihCAE5kusGzK900m30icOZ5BnPx3s5IQWQk/IDieF2xRVv+RNoF4ZPfvnnQOlOmPP7sOsSBDyaqIM3Jr0gV/JWDSB4hDVIsxhbc66yXx+mt8+CmSGmWqel7uil9Y6gALIl22S7Gf0GBpVERt54usklZWcLQDyTOsrsCrIZaHX5OdFKacOy/hGV42AW1O1I9gJpkfgHVv550aOgAITbkptoF289LYfDfUvml8caqSuoVQjDrHBTqjtNhRy18E7WBHuONMCs9LLFWt3B7w0rLcrPTR9IdFO6YZCqyILqHQRz0klm+Xd3+kgX3CbpEDYDsQlgkw==\"}"}