我想知道是否可以将PayPal结帐功能集成到我的kivy应用程序中?我希望根据我的python kivy代码中的变量来确定总数cart
。到目前为止,我还没有在网上看到与此主题相关的任何内容。任何帮助,将不胜感激!
我有这个简单的代码,可以描述更多我想要实现的目标
.py
from kivy.app import App
from kivy.uix.label import Label
from kivy.uix.screenmanager import Screen, ScreenManager ,SlideTransition
from kivy.properties import NumericProperty
import webbrowser
y = 0.20
class MenuScreen(Screen):
def item1(self):
global y
y -= 0.02
App.get_running_app().cart += 7
App.get_running_app().root.get_screen("cart").add_widget(Label(text="Item 1", font_size=20, pos_hint={"x": 0, "y": y}))
class CartScreen(Screen):
def PayPal(self):
webbrowser.open_new_tab("PayPal.html")
def menu(self,button):
self.manager.transition = SlideTransition(direction="right")
self.manager.current = "menu"
class WindowManager(ScreenManager):
pass
class ExampleApp(App):
cart = NumericProperty()
def build(self):
return WindowManager()
if __name__ == "__main__":
ExampleApp().run()
.kv
#:import SlideTransition kivy.uix.screenmanager.SlideTransition
<WindowManager>:
MenuScreen:
CartScreen:
<MenuScreen>:
name: "menu"
FloatLayout:
Label:
text: "MENU"
font_size: 40
pos_hint: {"x": 0, "y": 0.3}
Label:
text: "$ " + str(app.cart)
font_size: 20
Button:
text: "Add to cart"
size_hint: 0.3,0.08
pos_hint: {"x": 0.5, "y": 0.3}
on_release:
root.item1()
Button:
text: "Cart"
size_hint: 0.3,0.08
pos_hint: {"x": 0.5, "y": 0.2}
on_release:
app.root.transition = SlideTransition(direction = "right")
app.root.current = "cart"
<CartScreen>:
name: "cart"
FloatLayout:
Label:
text: "CART"
font_size: 40
pos_hint: {"x": 0, "y": 0.3}
Label:
text: "$ " + str(app.cart)
font_size: 20
Button:
text: "PayPal Checkout"
size_hint: 0.3,0.08
pos_hint: {"x": 0.5, "y": 0.3}
on_release:
root.PayPal()
Button:
text: "Back"
size_hint: 0.3,0.08
pos_hint: {"x": 0.5, "y": 0.2}
on_release:
app.root.transition = SlideTransition(direction = "left")
app.root.current = "menu"
PayPal HTML文件
<div id="smart-button-container">
<div style="text-align: center"><label for="description"> </label><input type="text" name="descriptionInput" id="description" maxlength="127" value=""></div>
<p id="descriptionError" style="visibility: hidden; color:red; text-align: center;">Please enter a description</p>
<div style="text-align: center"><label for="amount"> </label><input name="amountInput" type="number" id="amount" value="" ><span> CAD</span></div>
<p id="priceLabelError" style="visibility: hidden; color:red; text-align: center;">Please enter a price</p>
<div id="invoiceidDiv" style="text-align: center; display: none;"><label for="invoiceid"> </label><input name="invoiceid" maxlength="127" type="text" id="invoiceid" value="" ></div>
<p id="invoiceidError" style="visibility: hidden; color:red; text-align: center;">Please enter an Invoice ID</p>
<div style="text-align: center; margin-top: 0.625rem;" id="paypal-button-container"></div>
</div>
<script src="https://www.paypal.com/sdk/js?client-id=sb¤cy=CAD" data-sdk-integration-source="button-factory"></script>
<script>
function initPayPalButton() {
var description = document.querySelector('#smart-button-container #description');
var amount = document.querySelector('#smart-button-container #amount');
var descriptionError = document.querySelector('#smart-button-container #descriptionError');
var priceError = document.querySelector('#smart-button-container #priceLabelError');
var invoiceid = document.querySelector('#smart-button-container #invoiceid');
var invoiceidError = document.querySelector('#smart-button-container #invoiceidError');
var invoiceidDiv = document.querySelector('#smart-button-container #invoiceidDiv');
var elArr = [description, amount];
if (invoiceidDiv.firstChild.innerHTML.length > 1) {
invoiceidDiv.style.display = "block";
}
var purchase_units = [];
purchase_units[0] = {};
purchase_units[0].amount = {};
function validate(event) {
return event.value.length > 0;
}
paypal.Buttons({
style: {
color: 'black',
shape: 'rect',
label: 'checkout',
layout: 'vertical',
},
onInit: function (data, actions) {
actions.disable();
if(invoiceidDiv.style.display === "block") {
elArr.push(invoiceid);
}
elArr.forEach(function (item) {
item.addEventListener('keyup', function (event) {
var result = elArr.every(validate);
if (result) {
actions.enable();
} else {
actions.disable();
}
});
});
},
onClick: function () {
if (description.value.length < 1) {
descriptionError.style.visibility = "visible";
} else {
descriptionError.style.visibility = "hidden";
}
if (amount.value.length < 1) {
priceError.style.visibility = "visible";
} else {
priceError.style.visibility = "hidden";
}
if (invoiceid.value.length < 1 && invoiceidDiv.style.display === "block") {
invoiceidError.style.visibility = "visible";
} else {
invoiceidError.style.visibility = "hidden";
}
purchase_units[0].description = description.value;
purchase_units[0].amount.value = amount.value;
if(invoiceid.value !== '') {
purchase_units[0].invoice_id = invoiceid.value;
}
},
createOrder: function (data, actions) {
return actions.order.create({
purchase_units: purchase_units,
});
},
onApprove: function (data, actions) {
return actions.order.capture().then(function (details) {
alert('Transaction completed by ' + details.payer.name.given_name + '!');
});
},
onError: function (err) {
console.log(err);
}
}).render('#paypal-button-container');
}
initPayPalButton();
</script>
贝宝和类似服务具有一个api,您应该可以使用kivy.network.urlrequest模块与之进行通信。另一个选择是使用Checkout-Python-SDK,请参阅链接https://github.com/paypal/Checkout-Python-SDK。
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