我正在尝试集成mpesa支付api，以动态传递商店价格和正确的响应

Question

我一直在尝试集成mpesa API并动态付款我设法在我的手机stk推送上看到购物车中的正确值，但在web浏览器上，我得到了一个错误的本地变量'order‘，在分配之前引用，控制台给我一个成功的消息，而我没有错误地输入我的pin，谢谢。

请帮我解决这个问题，我还是个PYTHON新手。

def mpesaToken(request):
    ckey = 'hOdosm1nU1tXMsT0yPTGjnHDgIUSxx8z'
    csecret = 'mrgGSIdbDOZaVrZl'
    apiurl = 'https://sandbox.safaricom.co.ke/oauth/v1/generate?grant_type=client_credentials'

    r = requests.get(apiurl, auth=HTTPBasicAuth(ckey, csecret))
    mptoken = json.loads(r.json)
    valida = mptoken['access_token']
    return HttpResponse(valida)
    

def lipaOnline(request):
    if request.user.is_authenticated:
        customer = request.user.customer
        order, created = Order.objects.get_or_create(customer=customer, complete=False)
        items = order.orderitem_set.all()
        cartItems = order.get_cart_items
    else:
        items = []
    accesstoken = MpesaToken.valida
    apiurl = "https://sandbox.safaricom.co.ke/mpesa/stkpush/v1/processrequest"
    headers = {"Authorization":"Bearer %s" % accesstoken}
    request = {
                "BusinessShortCode": Lipa.bscode,
                "Password": Lipa.decode_pass,
                "Timestamp": Lipa.lipatime,
                "TransactionType": "CustomerPayBillOnline",
                "Amount": order.get_cart_total,
                "PartyA": 25471234567,
                "PartyB": Lipa.bscode,
                "PhoneNumber": 25471234567,
                "CallBackURL": "https://sandbox.safaricom.co.ke/mpesa/",
                "AccountReference": "HAC",
                "TransactionDesc": "testeltd"}
    response = requests.post(apiurl, json=request, headers=headers)
    
    return HttpResponse('Success')
    print(request)

Answer 1

问题是你试图从一个计算值中挑选一个值，它不理解在将该值赋给你的另一个变量Amount之前，它应该检索那个query(order.get_cart_total)，所以对我有效的是，我在调用变量之前先设置它，并确保你也可以把它作为一个全局变量。所以简单地这样做

global totalcart = order.get_cart_total

首先，然后

"Amount" : totalcart'
...