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Paypal-buttons支付 Spb支付

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Smart Payment Buttons  简称：spb支付

话不多说 直接上demo

1.首先申请好paypal收款账户；

2.创建应用（分正式版live和沙盒环境）

QQ图片20210525131521.png

微信截图_20210525131628.png

创建完成后 会生成 Client ID 和 Secret

QQ图片20210525131856.png

注意;这里是测试环境的参数  正式环境需要申请live 

html代码

<!DOCTYPE html>
<head>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <script
           <!-- client-id 沙盒环境填写sb live环境填写正常参数 -->
<script src="https://www.paypal.com/sdk/js?&client-id=sb&currency=USD&locale=en_US" data-sdk-integration-source="button-factory"></script> 

    </script>
 
</head>
<body>
 
<div id="paypal-button-container"></div>
 
<script>
    function initPayPalButton() {
        var amount = ‘10.00’; // 金额
        var elArr = [amount];
        paypal.Buttons({
            env: 'production',
            style: {
                shape: 'rect',
                color: 'gold',
                layout: 'vertical',
                label: 'paypal',
            },
            onInit: function (data, actions) {
                actions.disable();
                elArr.forEach(function (item) {
                    item.addEventListener('keyup', function (event) {
                        var result = elArr.every(validate);
                        if (result) {
                            actions.enable();
                        } else {
                            actions.disable();
                        }
                    });
                });

            },
            onClick: function () {
                if (amount.value.length < 1) {
                    alert("Amount required");
                    return false;
                }
            },
            //创建订单 返回  orderId
            createOrder: function (data, actions) {
                $("#result").html("");
                let total_amt = parseFloat(amount.value),
                    postData = new FormData();
                postData.append('total_amt', total_amt);
                return fetch(
                    './createOrder.php',
                    {
                        method: 'POST',
                        body: postData
                    }
                ).then(function (response) {
                    return response.json();
                }).then(function (resJson) {
                    return resJson.data.id;
                });
            },
            // 捕获订单，传参orderId 验证后 返回 状态201 代表 支付成功
            onApprove: function (data, actions) {
                let postData = new FormData();
                return fetch(
                    './captureOrder.php',
                    {
                        method: 'POST',
                        body: JSON.stringify({
                            orderID: data.orderID
                        })
                    }
                ).then(function (res) {
                    return res.json();
                }).then(function (details) {
                    console.log(details);
                    if (details.error) {
                        if (details.error === 'INSTRUMENT_DECLINED') {
                            alert('Your chosen funding source was declined and you will be redirected back to PayPal where you can choose a different funding source');
                            return actions.restart();
                        } else {
                            $("#result").html("<h2>" + details.msg + "</h2>");
                        }
                    } else {
                        if (details.msg == 'COMPLETED' || details.msg == 'PENDING') {
                            $("#result").html("<h2>" + "Transaction " + details.msg + "</h2>");
                        } else {
                            $("#result").html("<h2>" + details.msg + "</h2>");
                        }
                    }
                });
            },
            onError: function (err) {
                console.log(err);
                $("#result").html(err);
            }
        }).render('#paypal-button-container');
    }
    initPayPalButton();
</script>
 
</body>

需要先引入PayPalCheckoutSdk

https://github.com/paypal/Checkout-PHP-SDK

创建订单代码：createOrder.php

<?php

require __DIR__ . '/vendor/autoload.php';
//这个cofig.php 声明了2个全局变量  clientId 和 clientSecret
require __DIR__ . '/config.php';
use PayPalCheckoutSdk\Core\PayPalHttpClient;
use PayPalCheckoutSdk\Core\SandboxEnvironment;
use PayPalCheckoutSdk\Orders\OrdersCreateRequest;
$environment = new SandboxEnvironment($con['clientId'], $con['clientSecret']);
$client = new PayPalHttpClient($environment);
//获取支付金额
$money=$_POST['total_amt'];

$request = new OrdersCreateRequest();
$request->prefer('return=representation');
$request->body = [
                     "intent" => "CAPTURE",
                     "purchase_units" => [[
                         "reference_id" => "test_ref_id1",

                         "amount" => [
                             "value" => $money,
                             "currency_code" => "USD"
                         ]
                     ]],
                     "application_context" => [
                                    "user_action"=> 'CONTINUE',
					      // 注意这里：NO_SHIPPING 代表是数字产品 无账单地址；
						  "shipping_preference"=> 'NO_SHIPPING',
                          "cancel_url" => "https://oiren.com/captureOrder.php", //回调地址
                          "return_url" => "https://oiren.com/captureOrder.php"
                     ]
                 ];
try {
    $response = $client->execute($request);
    $res=array(
      'ack'=>true,
      'data'=>array("id"=>$response->result->id)
    );
    echo json_encode($res);
    exit;  

}catch (HttpException $ex) {
    echo $ex->statusCode;
    print_r($ex->getMessage());
}

 捕获订单：captureOrder.php

<?php

require __DIR__ . '/vendor/autoload.php';
require __DIR__ . '/config.php';
use PayPalCheckoutSdk\Core\PayPalHttpClient;
use PayPalCheckoutSdk\Core\SandboxEnvironment;
use PayPalCheckoutSdk\Orders\OrdersCaptureRequest;
$environment = new SandboxEnvironment($con['clientId'], $con['clientSecret']);

$client = new PayPalHttpClient($environment);
$content=file_get_contents("php://input");
$json=json_decode($content,true);
$orderID=$json['orderID'];
file_put_contents("1.txt",$orderID.PHP_EOL,FILE_APPEND);

$request = new OrdersCaptureRequest($orderID);
$request->prefer('return=representation');

try {
    // Call API with your client and get a response for your call
    $response = $client->execute($request);
	if(empty($response)){
		 $response = $client->execute($request);
	}
	if($response->statusCode == 201){
		$aa['msg'] = 'COMPLETED';
	}else{
		$aa['msg'] == 'error';
	}
    // If call returns body in response, you can get the deserialized version from the result attribute of the response
    echo json_encode($aa);
    exit;  

    //验证通过获取到订单的详细信息可以写入到数据库
}catch (HttpException $ex) {
	
    echo $ex->statusCode;
    var_dump($ex->getMessage());
	
}

到这里支付流程就跑完了，

测试的时候可以先用palpay的测试账户 进行测试；

ps:测试环境请求的api接口不同，需修改api路径；

/vendor/paypal/paypal-checkout-sdk/lib/PayPalCheckoutSdk/Core/SandboxEnvironment.php

微信截图_20210525134209.png

换到正式环境 不要忘记切换请求地址；

有问题可以给我留言；

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