npm：
import { AMSCheckoutPage } from '@alipay/ams-checkout' // 包管理
const checkoutApp = new AMSCheckoutPage({
  environment: "sandbox",
  onEventCallback: ({code, message}) => {},
});
cdn：
// CDN引入方式下：使用 window.AMSCheckoutPage 实例化
const checkoutApp = new AMSCheckoutPage({
  environment: "sandbox",
  onEventCallback: ({code, message}) => {},
});

<div class="content">
  <div class="checkout-container" id="ckp-embed-wrapper"></div>
</div>

async function create(sessionData) {
  await checkoutApp.mountComponent({ 
    sessionData: sessionData, 
  },'#ckp-embed-wrapper');
}

// Free SDK component resources
checkoutApp.unmount();

function onEventCallback({ code, result }) {
  switch (code) {
    case 'SDK_PAYMENT_SUCCESSFUL':
      // Payment was successful. Redirect buyers to the payment result page.
      break;
    case 'SDK_PAYMENT_FAIL':
      console.log('Check the payment result data', result);
      // Payment failed. Guide buyers to retry the payment based on the provided information.
      break;
    case 'SDK_PAYMENT_CANCEL':
      // Guide buyers to retry the payment.
      break;
    case 'SDK_PAYMENT_CLICK_BACK_TO_MERCHANT':
      // User click the back to merchant buttom. Redirect buyers to the payment result page.
      break;
    default:
      break;
  }
}

/**
 * receive notify
 *
 * @param request    request
 * @param notifyBody notify body
 * @return Result
 */
@PostMapping("/receiveNotify")
@ResponseBody
public Result receiveNotify(HttpServletRequest request, @RequestBody String notifyBody) {
    // retrieve the required parameters from http request
    String requestUri = request.getRequestURI();
    String requestMethod = request.getMethod();
    // retrieve the required parameters from request header
    String requestTime = request.getHeader("request-time");
    String clientId = request.getHeader("client-id");
    String signature = request.getHeader("signature");
    try {
        // verify the signature of notification
        boolean verifyResult = WebhookTool.checkSignature(requestUri, requestMethod, clientId,
                                                          requestTime, signature, notifyBody, ANTOM_PUBLIC_KEY);
        if (!verifyResult) {
            throw new RuntimeException("Invalid notify signature");
        }
        // deserialize the notification body
        JSONObject jsonObject = JSON.parseObject(notifyBody);
        String notifyType = (String)jsonObject.get("notifyType");
        if("PAYMENT_RESULT".equals(notifyType)){
            AlipayPayResultNotify paymentNotify = jsonObject.toJavaObject(AlipayPayResultNotify.class);
            if (paymentNotify != null && "SUCCESS".equals(paymentNotify.getResult().getResultCode())) {
                // handle your own business logic.
                // e.g. The relationship between payment information and users is kept in the database.
                System.out.println("receive payment notify: " + JSON.toJSONString(paymentNotify));
                return Result.builder().resultCode("SUCCESS").resultMessage("success.").resultStatus(ResultStatusType.S).build();
            }
        }else if("CAPTURE_RESULT".equals(notifyType)){
            AlipayCaptureResultNotify captureNotify = jsonObject.toJavaObject(AlipayCaptureResultNotify.class);
            if (captureNotify != null && "SUCCESS".equals(captureNotify.getResult().getResultCode())) {
                // handle your own business logic.
                System.out.println("receive capture notify: " + JSON.toJSONString(captureNotify));
                return Result.builder().resultCode("SUCCESS").resultMessage("success.").resultStatus(ResultStatusType.S).build();
            }
        }
    } catch (Exception e) {
        // handle error condition
        return Result.builder().resultCode("FAIL").resultMessage("fail.").resultStatus(ResultStatusType.F).build();
    }
    return Result.builder().resultCode("SYSTEM_ERROR").resultMessage("system error.").resultStatus(ResultStatusType.F).build();
}

{
    "result": {
        "resultCode": "SUCCESS",
        "resultStatus": "S",
        "resultMessage": "success"
    }
}

public static void inquiryPayment() {
    AlipayPayQueryRequest alipayPayQueryRequest = new AlipayPayQueryRequest();
    // replace with your paymentRequestId
    alipayPayQueryRequest.setPaymentRequestId("yourPaymentRequestId");
    AlipayPayQueryResponse alipayPayQueryResponse = null;
    try {
        alipayPayQueryResponse = CLIENT.execute(alipayPayQueryRequest);
    } catch (AlipayApiException e) {
        String errorMsg = e.getMessage();
        // handle error condition
    }
}

{
    "actualPaymentAmount": {
        "currency": "USD",
        "value": "1"
    },
    "customsDeclarationAmount": {
        "currency": "CNY",
        "value": "7"
    },
    "paymentAmount": {
        "currency": "USD",
        "value": "1"
    },
    "paymentId": "20250305194010800100188690281017336",
    "paymentMethodType": "ALIPAY_CN",
    "paymentRedirectUrl": "https://checkout.antom.com/checkout-page/pages/payment/index.html?sessionData=%2BCUim8L0KviXagaygm9xBL5jZ%2F75w6gAX1nn8pcuFuGkIsMoHtD6U88YSyMrMJvorbwnBg5uQv8e6pyvIpjDQQ%3D%3D%26%26SG%26%26188%26%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%3D",
    "paymentRequestId": "PAYMENT_20250305220039086_AUTO",
    "paymentResultCode": "SUCCESS",
    "paymentResultMessage": "success.",
    "paymentStatus": "SUCCESS",
    "paymentTime": "2025-03-05T06:02:34-08:00",
    "pspCustomerInfo": {
        "pspName": "ALIPAY_CN"
    },
    "result": {
        "resultCode": "SUCCESS",
        "resultMessage": "success.",
        "resultStatus": "S"
    }
}

{
    "order": {
        ...
        "buyer": {
            "referenceBuyerId": "88888888",
            "buyerEmail": "gaga@test.com",
            "buyerPhoneNo": "18888888888"
        }
    },
...
}

{
  ...
    "availablePaymentMethod": {
        "paymentMethodMetaData": {
            "is3DSAuthentication": true
        }
    },  
  ...
}

{
    "actualPaymentAmount": {
        "currency": "HKD",
        "value": "10"
    },
    "notifyType": "PAYMENT_RESULT",
    "paymentAmount": {
        "currency": "HKD",
        "value": "10"
    },
    "paymentCreateTime": "2025-03-01T02:58:03-08:00",
    "paymentId": "20250301194010800100188350280757901",
    "paymentMethodType": "CARD",
    "paymentRequestId": "PAYMENT_20250301185416669_AUTO",
    "paymentResultInfo": {
        "avsResultRaw": "I",
        "cardBrand": "VISA",
        "cardCategory": "CONSUMER",
        "cardNo": "************0197",
        "cardToken": "ALIPAYEfG2DFbGx2Eh739qU+VMnCPEe7MfRKfMfC5k7k/IFASWpAh/vCxHV3dPYpbkGz1iyWCloE4MwfmN48sP8+rSPQ==",
        "cvvResultRaw": "",
        "funding": "CREDIT",
        "issuingCountry": "HK",
        "networkTransactionId": "585060394953881",
        "paymentMethodRegion": "GLOBAL",
        "threeDSResult": {
            "cavv": "AJkBAyh5UQAAAAAKNEBgdQAAAAA=",
            "eci": "05",
            "threeDSVersion": "2.2.0"
        }
    },
    "paymentTime": "2025-03-01T02:58:19-08:00",
    "result": {
        "resultCode": "SUCCESS",
        "resultMessage": "success.",
        "resultStatus": "S"
    }
}

{
...
    "availablePaymentMethod": {
        "paymentMethodMetaData": {
            "tokenizeMode": "ASKFORCONSENT"
        }
    }
}

{
    "actualPaymentAmount": {
        "currency": "HKD",
        "value": "10"
    },
    "notifyType": "PAYMENT_RESULT",
    "paymentAmount": {
        "currency": "HKD",
        "value": "10"
    },
    "paymentCreateTime": "2025-03-01T02:58:03-08:00",
    "paymentId": "20250301194010800100188350280757901",
    "paymentMethodType": "CARD",
    "paymentRequestId": "PAYMENT_20250301185416669_AUTO",
    "paymentResultInfo": {
        "avsResultRaw": "I",
        "cardBrand": "VISA",
        "cardCategory": "CONSUMER",
        "cardNo": "************0197",
        "cardToken": "ALIPAYEfG2DFbGx2Eh739qU+VMnCPEe7MfRKfMfC5k7k/IFASWpAh/vCxHV3dPYpbkGz1iyWCloE4MwfmN48sP8+rSPQ==",
        "cvvResultRaw": "",
        "funding": "CREDIT",
        "issuingCountry": "HK",
        "networkTransactionId": "585060394953881",
        "paymentMethodRegion": "GLOBAL",
        "threeDSResult": {
            "cavv": "AJkBAyh5UQAAAAAKNEBgdQAAAAA=",
            "eci": "05",
            "threeDSVersion": "2.2.0"
        }
    },
    "paymentTime": "2025-03-01T02:58:19-08:00",
    "result": {
        "resultCode": "SUCCESS",
        "resultMessage": "success.",
        "resultStatus": "S"
    }
}

{
  ...
    "savedPaymentMethods": [
        {
            "paymentMethodType": "CARD",
            "paymentMethodId": "ALIPAYEfG2DFbGx2Eh739qU+VMnCPEe7MfRKfMfC5k7k/IFASWpAh/vCxHV3dPYpbkGz1iyWCloE4MwfmN48sP8+rSPQ=="
        }
    ]
}