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国际支付-paypal配置入门指南_paypal 开发文档

作者：运维做开发 | 2024-08-17 17:36:43

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paypal 开发文档

paypal官方文档

一、PayPal的api文档：

https://developer.paypal.com/dashboard/
https://developer.paypal.com/docs/integration/direct/payments/paypal-payments/#search-payment-details

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常用结账方式
在这里插入图片描述

PayPal配置密钥

配置webhook

Sandbox Webhooks
分别对应：事件回调地址 webhooks的id 触发事件类型

PayPal

  1. 开发者账号
    https://developer.paypal.com/developer/accounts?event=createSuccess
  2. 查找商户账户密码
  3. 再登陆https://www.sandbox.paypal.com/mep/dashboard
  4. 在浏览器输入：https://www.sandbox.paypal.com/，点击登录，输入创建好的 ”商家账号“ 的邮箱和密码

API流程

Integration steps 集成步骤

  1. Required 必填 Set up your development environment
    .
    设置开发环境。
  2. Required 必填 Create PayPal payment
    . 创建PayPal付款。
  3. Required 必填 Get payment approval
    . 获得付款批准。
  4. Required 必填 Execute payment
    . 执行付款。
  5. Optional 自选 Search payment details
    . 搜索付款详细信息。

Create PayPal payment 创建PayPal付款
After you collect the payment details from the customer, specify the payment details in a /payment call.
从客户收集付款详细信息后，在 /payment 呼叫中指定付款详细信息。
In the request URI, set the .
在请求 URI 中，设置 .
In the JSON request body, set the intent to sale, the redirect URLs, the payment_method to paypal, and the transaction information in the transactions array, which contains one or more transaction objects:

在 JSON 请求正文中，在 transactions 包含一个或多个 transaction 对象的数组中设置 to、重定向 URL、 intent payment_method to paypal sale 和事务信息：

curl -v -X POST https://api-m.sandbox.paypal.com/v1/payments/payment \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer <Access-Token>" \
  -d '{
  "intent": "sale",
  "payer": {
    "payment_method": "paypal"
  },
  "transactions": [{
    "amount": {
      "total": "30.11",
      "currency": "USD",
      "details": {
        "subtotal": "30.00",
        "tax": "0.07",
        "shipping": "0.03",
        "handling_fee": "1.00",
        "shipping_discount": "-1.00",
        "insurance": "0.01"
      }
    },
    "description": "This is the payment transaction description.",
    "custom": "EBAY_EMS_90048630024435",
    "invoice_number": "48787589673",
    "payment_options": {
      "allowed_payment_method": "INSTANT_FUNDING_SOURCE"
    },
    "soft_descriptor": "ECHI5786786",
    "item_list": {
      "items": [{
        "name": "hat",
        "description": "Brown color hat",
        "quantity": "5",
        "price": "3",
        "tax": "0.01",
        "sku": "1",
        "currency": "USD"
      }, {
        "name": "handbag",
        "description": "Black color hand bag",
        "quantity": "1",
        "price": "15",
        "tax": "0.02",
        "sku": "product34",
        "currency": "USD"
      }],
      "shipping_address": {
        "recipient_name": "Hello World",
        "line1": "4thFloor",
        "line2": "unit#34",
        "city": "SAn Jose",
        "country_code": "US",
        "postal_code": "95131",
        "phone": "011862212345678",
        "state": "CA"
      }
    }
  }],
  "note_to_payer": "Contact us for any questions on your order.",
  "redirect_urls": {
    "return_url": "https://example.com",
    "cancel_url": "https://example.com"
  }
}'

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A successful call returns confirmation of the transaction, with the created state and a payment ID that you can use in subsequent calls:

Execute payment 支付执行完
To execute the payment after the customer’s approval, make a /payment/execute/ call. In the JSON request body, use the payerID value that was passed to your site. In the header, use the access token that you used when you created the payment.

curl -v -X POST https://api-m.sandbox.paypal.com/v1/payments/payment/PAY-34629814WL663112AKEE3AWQ/execute \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer <Access-Token>" \
  -d '{
  "payer_id": "RRCYJUTFJGZTA"
}'
The execute payment call returns a paymentobject with transaction details:

{
  "id": "PAY-4N746561P0587231SKQQK6MY",
  "create_time": "2014-09-22T23:22:27Z",
  "update_time": "2014-09-22T23:31:13Z",
  "state": "approved",
  "intent": "sale",
  "payer": {
    "payment_method": "paypal",
    "payer_info": {
      "email": "npurayil-uspr-60@paypal.com",
      "first_name": "Brian",
      "last_name": "Robinson",
      "payer_id": "JMKDKJ4D7DG7G",
      "shipping_address": {
        "line1": "4thFloor",
        "line2": "unit#34",
        "city": "SAn Jose",
        "state": "CA",
        "postal_code": "95131",
        "country_code": "US",
        "phone": "011862212345678",
        "recipient_name": "HelloWorld"
      }
    }
  },
  "transactions": [
    {
      "amount": {
        "total": "30.11",
        "currency": "USD",
        "details": {
          "subtotal": "30.00",
          "tax": "0.07",
          "shipping": "0.03",
          "handling_fee": "1.00",
          "insurance": "0.01",
          "shipping_discount": "-1.00"
        }
      },
      "description": "This is the payment transaction description.",
      "item_list": {
        "items": [
          {
            "name": "hat",
            "sku": "1",
            "price": "3.00",
            "currency": "USD",
            "quantity": "5",
            "description": "Brown color hat",
            "tax": "0.01"
          },
          {
            "name": "handbag",
            "sku": "product34",
            "price": "15.00",
            "currency": "USD",
            "quantity": "1",
            "description": "Black color handbag",
            "tax": "0.02"
          }
        ],
        "shipping_address": {
          "recipient_name": "HelloWorld",
          "line1": "4thFloor",
          "line2": "unit#34",
          "city": "SAn Jose",
          "state": "CA",
          "phone": "011862212345678",
          "postal_code": "95131",
          "country_code": "US"
        }
      },
      "related_resources": [
        {
          "sale": {
            "id": "4XP56210M0797192Y",
            "create_time": "2014-09-22T23:22:27Z",
            "update_time": "2014-09-22T23:31:13Z",
            "amount": {
              "total": "30.11",
              "currency": "USD"
            },
            "payment_mode": "INSTANT_TRANSFER",
            "state": "completed",
            "protection_eligibility": "ELIGIBLE",
            "protection_eligibility_type": "ITEM_NOT_RECEIVED_ELIGIBLE",
            "transaction_fee": {
              "value": "1.75",
              "currency": "USD"
            },
            "parent_payment": "PAY-4N746561P0587231SKQQK6MY",
            "links": [
              {
                "href": "https://api-m.paypal.com/v1/payments/sale/4XP56210M0797192Y",
                "rel": "self",
                "method": "GET"
              },
              {
                "href": "https://api-m.paypal.com/v1/payments/sale/4XP56210M0797192Y/refund",
                "rel": "refund",
                "method": "POST"
              },
              {
                "href": "https://api-m.paypal.com/v1/payments/payment/PAY-4N746561P0587231SKQQK6MY",
                "rel": "parent_payment",
                "method": "GET"
              }
            ]
          }
        }
      ]
    }
  ],
  "links": [
    {
      "href": "https://api-m.paypal.com/v1/payments/payment/PAY-4N746561P0587231SKQQK6MY",
      "rel": "self",
      "method": "GET"
    }
  ]
}

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refund 退款

curl -v https://api-m.sandbox.paypal.com/v1/payments/sale/67D22837NN7279935/refund \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer <Access-Token>" \
  -d '{}'

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二、实战代码

标准结账支付

yaml配置

paypal配置
paypal.mode=sandbox/live
paypal.client.app = xxx
paypal.client.secret = xxxxxxxxxxxxxxxx
paypal.client.webhook_id =xxx

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maven sdk引入
 <dependency>
            <groupId>com.paypal.sdk</groupId>
            <artifactId>rest-api-sdk</artifactId>
            <version>1.14.0</version>
            <exclusions>
                <exclusion>
                    <artifactId>gson</artifactId>
                    <groupId>com.google.code.gson</groupId>
                </exclusion>
            </exclusions>
        </dependency>

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Create PayPal payment 创建PayPal付款

/**
     * 创建订单
     *
     * @param moneyBigDecimal
     * @return
     * @throws PayPalRESTException
     */
    @Override
    public Payment createPayment(BigDecimal moneyBigDecimal) throws PayPalRESTException {
        log.info("订单金额：{}", moneyBigDecimal.doubleValue());
        // 成功与失败回调地址
        String cancelUrl = PAYPAL_CANCEL_URL.replace("{Redirect_Url}",redirectUrl).replace("{contextPath}", contextPath);
        String successUrl = PAYPAL_SUCCESS_URL.replace("{Redirect_Url}",redirectUrl).replace("{contextPath}", contextPath);
        Payment payment = this.createPayment(
                moneyBigDecimal.doubleValue(),
                "USD",
                PayPalPaymentMethod.paypal,
                PayPalPaymentIntent.sale,
                "payment description",
                cancelUrl,
                successUrl);
        if (ObjectUtils.isNotEmpty(payment)) {
            log.info("Payment created successfully");
        } else {
            log.error("Payment Fail");
            return null;
        }
        return payment;
    }

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 @Resource
    private APIContext apiContext;
/**
     * 支付方法
     *
     * @param total       交易金额
     * @param currency    货币类型
     * @param method      枚举-作用
     * @param intent      枚举-意图
     * @param description 交易描述
     * @param cancelUrl   交易取消后跳转url
     * @param successUrl  交易成功后跳转url
     * @return Payment
     * @throws PayPalRESTException
     */
    @Override
    public Payment createPayment(
            Double total,
            String currency,
            PayPalPaymentMethod method,
            PayPalPaymentIntent intent,
            String description,
            String cancelUrl,
            String successUrl) throws PayPalRESTException {
        //设置金额和单位对象
        Amount amount = new Amount();
        amount.setCurrency(currency);
        amount.setTotal(String.format("%.2f", total));
        //设置具体的交易对象
        Transaction transaction = new Transaction();
        transaction.setDescription(description);
        transaction.setAmount(amount);
        //交易集合-可以添加多个交易对象
        List<Transaction> transactions = new ArrayList<>();
        transactions.add(transaction);

        Payer payer = new Payer();
        payer.setPaymentMethod(method.toString());

        Payment payment = new Payment();
        payment.setIntent(intent.toString());
        payment.setPayer(payer);
        payment.setTransactions(transactions);
        //设置返回的url
        RedirectUrls redirectUrls = new RedirectUrls();
        redirectUrls.setCancelUrl(cancelUrl);
        redirectUrls.setReturnUrl(successUrl);
        //加入反馈对象
        payment.setRedirectUrls(redirectUrls);
        //加入认证并创建交易
        return payment.create(apiContext);
    }
支付完成回调

 //获取PayPal支付信息 入参：paymentId
            Payment payment = Payment.get(apiContext, paymentId);
            String payerId;
            if (payment.getPayer() != null) {
                payerId = payment.getPayer().getPayerInfo().getPayerId();
                log.info("payerId:{}", payerId);
                //执行回调
                Payment executePayment = this.executePayment(paymentId, payerId);
                log.info("执行回调executePayment:{}", executePayment);
                if (!org.springframework.util.ObjectUtils.isEmpty(executePayment)) {
                    log.info("Payment execute successfully");
                    log.info(executePayment.toJSON());
                }
                String saleId = null;
                Sale sale = executePayment.getTransactions().get(0).getRelatedResources().get(0).getSale();
                if (org.springframework.util.ObjectUtils.isEmpty(sale) && "completed".equals(sale.getState())) {
                    saleId = sale.getId();
                }
             

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 /**
     * 并执行交易（相当于提交事务）
     *
     * @param paymentId
     * @param payerId
     * @return
     * @throws PayPalRESTException
     */
    @Override
    public Payment executePayment(String paymentId, String payerId) throws PayPalRESTException {
        Payment payment = new Payment();
        payment.setId(paymentId);
        PaymentExecution paymentExecute = new PaymentExecution();
        paymentExecute.setPayerId(payerId);
        return payment.execute(apiContext, paymentExecute);
    }

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参考文档：

https://www.pianshen.com/article/3031768019/

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