my.request({
  url: '商家服务端地址',//须加httpRequest域白名单
  method: 'POST',
  data: {//data里的key、value是开发者自定义的
    from: '支付宝',
    order: 'XXXXX',//订单信息
  },
  dataType: 'json',
  success: function(res) {
    my.alert({content: 'success'});
  },
  fail: function(res) {
    my.alert({content: 'fail'});
  },
  complete: function(res) {
    my.hideLoading();
    my.alert({content: 'complete'});
  }
});

package com.java.sdk.demo;

import com.alipay.v3.ApiException;
import com.alipay.v3.ApiClient;
import com.alipay.v3.util.model.AlipayConfig;
import com.alipay.v3.Configuration;
import com.alipay.v3.api.AlipayTradeApi;
import com.alipay.v3.model.*;
import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class AlipayTradeApiCreate {

    public static void main(String[] args) throws ApiException {
        ApiClient defaultClient = Configuration.getDefaultApiClient();
        // 初始化alipay参数（全局设置一次）
        AlipayConfig alipayConfig = new AlipayConfig();
        alipayConfig.setServerUrl("https://openapi.alipay.com");
        alipayConfig.setAppId("<-- 请填写您的AppId，例如：2019091767145019 -->");
        alipayConfig.setPrivateKey("<-- 请填写您的应用私钥，例如：MIIEvQIBADANB ... ... -->");
        alipayConfig.setAlipayPublicKey("<-- 请填写您的支付宝公钥，例如：MIIBIjANBg... -->");
        defaultClient.setAlipayConfig(alipayConfig);
        AlipayTradeApi api = new AlipayTradeApi();
        AlipayTradeCreateModel data = new AlipayTradeCreateModel();
        ExtendParams extendParams = new ExtendParams();
        extendParams.setTradeComponentOrderId("2023060801502300000008810000005657");
        extendParams.setSysServiceProviderId("2088511833207846");
        extendParams.setSpecifiedSellerName("XXX的跨境小铺");
        extendParams.setRoyaltyFreeze("true");
        extendParams.setCardType("S0JP0000");
        data.setExtendParams(extendParams);
        data.setBuyerId("2088102146225135");
        BusinessParams businessParams = new BusinessParams();
        businessParams.setMcCreateTradeIp("127.0.0.1");
        businessParams.setEnterprisePayInfo("{\"category_list\":[{\"price\":\"10.24\",\"name\":\"餐饮服务\",\"category\":\"3070401000000000000\"}]}");
        businessParams.setEnterprisePayAmount("10.00");
        businessParams.setTinyAppMerchantBizType("KX_SHOPPING");
        businessParams.setCampusCard("0000306634");
        businessParams.setActualOrderTime("2019-05-14 09:18:55");
        businessParams.setCardType("T0HK0000");
        businessParams.setGoodTaxes("10.00");
        data.setBusinessParams(businessParams);
        data.setOutTradeNo("20150320010101001");
        data.setProductCode("FACE_TO_FACE_PAYMENT");
        LogisticsDetail logisticsDetail = new LogisticsDetail();
        logisticsDetail.setLogisticsType("EXPRESS");
        data.setLogisticsDetail(logisticsDetail);
        data.setUndiscountableAmount("8.88");
        data.setDiscountableAmount("80.00");
        data.setOperatorId("Yx_001");
        BkAgentReqInfo bkagentReqInfo = new BkAgentReqInfo();
        bkagentReqInfo.setMerchCode("123412341234");
        bkagentReqInfo.setLocation("+37.28/-121.268");
        bkagentReqInfo.setDeviceType("02");
        bkagentReqInfo.setAcqCode("12345678901234");
        bkagentReqInfo.setSerialNum("123123123123");
        data.setBkagentReqInfo(bkagentReqInfo);
        data.setOpAppId("2014072300007148");
        List<GoodsDetail> goodsDetail = new ArrayList<GoodsDetail>();
        GoodsDetail goodsDetail0 = new GoodsDetail();
        goodsDetail0.setQuantity(1);
        goodsDetail0.setPrice("2000");
        goodsDetail0.setGoodsCategory("34543238");
        goodsDetail0.setCategoriesTree("124868003|126232002|126252004");
        goodsDetail0.setGoodsId("apple-01");
        goodsDetail0.setShowUrl("http://www.alipay.com/xxx.jpg");
        goodsDetail0.setGoodsName("ipad");
        goodsDetail0.setOutItemId("outItem_01");
        goodsDetail0.setOutSkuId("outSku_01");
        goodsDetail.add(goodsDetail0);
        data.setGoodsDetail(goodsDetail);
        data.setTerminalId("NJ_T_001");
        ReceiverAddressInfo receiverAddressInfo = new ReceiverAddressInfo();
        receiverAddressInfo.setDivisionCode("310115");
        receiverAddressInfo.setMobile("13120180615");
        receiverAddressInfo.setAddress("上海市浦东新区陆家嘴银城中路501号");
        receiverAddressInfo.setName("张三");
        receiverAddressInfo.setZip("200120");
        data.setReceiverAddressInfo(receiverAddressInfo);
        List<String> queryOptions = new ArrayList<String>();
        queryOptions.add("enterprise_pay_info");
        queryOptions.add("hyb_amount");
        data.setQueryOptions(queryOptions);
        SettleInfo settleInfo = new SettleInfo();
        List<SettleDetailInfo> settleDetailInfos = new ArrayList<SettleDetailInfo>();
        SettleDetailInfo settleDetailInfos0 = new SettleDetailInfo();
        settleDetailInfos0.setTransInType("cardAliasNo");
        settleDetailInfos0.setAmount("0.1");
        settleDetailInfos0.setTransIn("A0001");
        settleDetailInfos0.setActualAmount("0.1");
        settleDetailInfos0.setSummaryDimension("A0001");
        settleDetailInfos0.setSettleEntityType("SecondMerchant");
        settleDetailInfos0.setSettleEntityId("2088xxxxx;ST_0001");
        settleDetailInfos.add(settleDetailInfos0);
        settleInfo.setSettleDetailInfos(settleDetailInfos);
        settleInfo.setSettlePeriodTime("7d");
        data.setSettleInfo(settleInfo);
        SignParams agreementSignParams = new SignParams();
        agreementSignParams.setSignScene("INDUSTRY|DIGITAL_MEDIA");
        agreementSignParams.setExternalLogonId("13888888888");
        agreementSignParams.setPersonalProductCode("CYCLE_PAY_AUTH_P");
        AccessParams accessParams = new AccessParams();
        accessParams.setChannel("ALIPAYAPP");
        agreementSignParams.setAccessParams(accessParams);
        SignMerchantParams subMerchant = new SignMerchantParams();
        subMerchant.setSubMerchantServiceName("滴滴出行免密支付");
        subMerchant.setSubMerchantServiceDescription("免密付车费，单次最高500");
        subMerchant.setSubMerchantName("滴滴出行");
        subMerchant.setSubMerchantId("2088123412341234");
        agreementSignParams.setSubMerchant(subMerchant);
        agreementSignParams.setSignNotifyUrl("http://www.merchant.com/receiveSignNotify");
        agreementSignParams.setExternalAgreementNo("test20190701");
        agreementSignParams.setAllowHuazhiDegrade(false);
        List<OpenApiSpecifiedChannelParamsPojo> recommendSortChannelParams = new ArrayList<OpenApiSpecifiedChannelParamsPojo>();
        OpenApiSpecifiedChannelParamsPojo recommendSortChannelParams0 = new OpenApiSpecifiedChannelParamsPojo();
        recommendSortChannelParams0.setAssetTypeCode("ALICREDIT");
        recommendSortChannelParams0.setInstId("INST_ALIPAY");
        recommendSortChannelParams.add(recommendSortChannelParams0);
        agreementSignParams.setRecommendSortChannelParams(recommendSortChannelParams);
        PeriodRuleParams periodRuleParams = new PeriodRuleParams();
        periodRuleParams.setPeriodType("DAY");
        periodRuleParams.setPeriod(3);
        periodRuleParams.setTotalPayments(12);
        periodRuleParams.setExecuteTime("2019-01-23");
        periodRuleParams.setSingleAmount("10.99");
        periodRuleParams.setTotalAmount("600");
        agreementSignParams.setPeriodRuleParams(periodRuleParams);
        agreementSignParams.setProductCode("GENERAL_WITHHOLDING");
        data.setAgreementSignParams(agreementSignParams);
        data.setSellerId("2088102146225135");
        data.setBody("Iphone6 16G");
        data.setSubject("Iphone6 16G");
        data.setTimeExpire("2021-12-31 10:05:00");
        data.setTimeoutExpress("90m");
        data.setTotalAmount("88.88");
        data.setStoreId("NJ_001");
        try {
            AlipayTradeCreateResponseModel response = api.create(data);
        } catch (ApiException e) {
            AlipayTradeCreateDefaultResponse errorObject = (AlipayTradeCreateDefaultResponse) e.getErrorObject();
            System.out.println("调用失败:" + errorObject);
        }
    }
}

// .js
my.tradePay({
  // 调用统一收单交易创建接口（alipay.trade.create），获得返回字段支付宝交易号trade_no
  tradeNO: '201711152100110410533667792',
  success: (res) => {
    my.alert({
      content: JSON.stringify(res),
    });
  },
  fail: (res) => {
    my.alert({
      content: JSON.stringify(res),
    });
  }
});