Javascript 为脚本标记自定义自己的src时未定义Paypal
在我的项目中,我使用PayPal实现()使付款成为可能 在第一个例子中,我询问客户他喜欢哪种付款方式,并在此基础上生成相应的付款按钮(贝宝、信用卡或bancontact)。当我使用下面的代码时,我得到以下错误: 未捕获引用错误:未定义paypal 正如您在下面看到的,在触发PayPal代码之前,我将正确的脚本标记添加到我的HTML代码中,所以这应该不是问题 HTML代码(贝宝div)Javascript 为脚本标记自定义自己的src时未定义Paypal,javascript,paypal,script-tag,Javascript,Paypal,Script Tag,在我的项目中,我使用PayPal实现()使付款成为可能 在第一个例子中,我询问客户他喜欢哪种付款方式,并在此基础上生成相应的付款按钮(贝宝、信用卡或bancontact)。当我使用下面的代码时,我得到以下错误: 未捕获引用错误:未定义paypal 正如您在下面看到的,在触发PayPal代码之前,我将正确的脚本标记添加到我的HTML代码中,所以这应该不是问题 HTML代码(贝宝div) 以这种方式加载脚本是异步的并且需要时间,因此您应该使用onload事件回调 //Helper function
以这种方式加载脚本是异步的并且需要时间,因此您应该使用
onload
事件回调
//Helper function
function loadAsync(url, callback) {
var s = document.createElement('script');
s.setAttribute('src', url); s.onload = callback;
document.head.insertBefore(s, document.head.firstElementChild);
}
// Usage -- callback is inlined here, but could be a named function
loadAsync('https://www.paypal.com/sdk/js?client-id=sb¤cy=USD', function() {
paypal.Buttons({
// Set up the transaction
createOrder: function(data, actions) {
return actions.order.create({
purchase_units: [{
amount: {
value: '0.01'
}
}]
});
},
// Finalize the transaction
onApprove: function(data, actions) {
return actions.order.capture().then(function(details) {
//...
});
}
}).render('#paypal-button-container');
});
在我看来,在脚本加载完成之前,您正在调用
paypal.Buttons
。
let radios = document.querySelectorAll('.pm');
const script = document.createElement("script");
let src = '';
radios.forEach(radio => {
if (radio.checked) {
supper_data.payment_method = (radio.value).charAt(0).toUpperCase() + (radio.value).slice(1);
if((radio.value).charAt(0).toUpperCase() + (radio.value).slice(1) === "Bancontact") {
src = 'https://www.paypal.com/sdk/js?client-id=ASuRqSAZYj9/*...*/-FEXCHWao5SA7-SADYX6werETXouaJDIBP1UeSAJpJbMbrtCOy59C7C-C¤cy=EUR&disable-funding=card,sofort,credit';
} else if (supper_data.payment_method === "Visa") {
src = 'https://www.paypal.com/sdk/js?client-id=ASuRqSAZYj9/*...*/-FEXCHWao5SA7-SADYX6werETXouaJDIBP1UeSAJpJbMbrtCOy59C7C-C¤cy=EUR&disable-funding=bancontact,sofort,credit';
} else {
src = 'https://www.paypal.com/sdk/js?client-id=ASuRqSAZYj9/*...*/-FEXCHWao5SA7-SADYX6werETXouaJDIBP1UeSAJpJbMbrtCOy59C7C-C¤cy=EUR&disable-funding=bancontact,sofort,card';
}
}
});
script.type = "text/javascript";
script.src = src;
document.head.append(script);
document.querySelector('#paypal-button-container').style.display = "block";
paypal.Buttons({
style: {
shape: 'pill',
color: 'blue'
},
createOrder: (data, actions) => {
return actions.order.create({
purchase_units: [{
amount: {
currency_code: "EUR",
value: price
}
}]
});
},
onApprove: (data, actions) => {
return actions.order.capture().then((details) => {
$.ajax({
url: "./includes/delete-cart.php",
method: "GET",
success: function (data) {
Swal.fire({
icon: 'success',
title: 'Betaling Afgerond',
text: 'Uw bestelling is ontvangen.'
}).then(() => {
window.location.reload();
})
console.log(details);
}
});
})
}
}).render('#paypal-button-container');
//Helper function
function loadAsync(url, callback) {
var s = document.createElement('script');
s.setAttribute('src', url); s.onload = callback;
document.head.insertBefore(s, document.head.firstElementChild);
}
// Usage -- callback is inlined here, but could be a named function
loadAsync('https://www.paypal.com/sdk/js?client-id=sb¤cy=USD', function() {
paypal.Buttons({
// Set up the transaction
createOrder: function(data, actions) {
return actions.order.create({
purchase_units: [{
amount: {
value: '0.01'
}
}]
});
},
// Finalize the transaction
onApprove: function(data, actions) {
return actions.order.capture().then(function(details) {
//...
});
}
}).render('#paypal-button-container');
});