支付宝支付开发代码-java版

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package com.yz.commons.settlement.channel.ali;

import com.alibaba.fastjson.JSONObject;
import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.domain.AlipayTradeAppPayModel;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.AlipayTradeAppPayRequest;
import com.alipay.api.request.AlipayTradeQueryRequest;
import com.alipay.api.response.AlipayTradeAppPayResponse;
import com.alipay.api.response.AlipayTradeQueryResponse;
import lombok.extern.slf4j.Slf4j;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import java.math.BigDecimal;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;

@Slf4j
@Service("ALI_APP_PAY")
public class AliAppPay implements PayFacade {

    private final ApplicationProperties applicationProperties;

    private final ChargeOrderRepository chargeOrderRepository;

    private final PayAccountConfigRepository payAccountConfigRepository;

    private final StringRedisTemplate stringRedisTemplate;

    private final PackagePayAccountRepository packagePayAccountRepository;

    private final PackageInfoRepository packageInfoRepository;

    private final NotifyUtil notifyUtil;

    /**
     * 账号缓存key
     */
    private final String configKey = "pay_config";

    public AliAppPay (ApplicationProperties applicationProperties, ChargeOrderRepository chargeOrderRepository,
                      PayAccountConfigRepository payAccountConfigRepository, StringRedisTemplate stringRedisTemplate,
                      PackagePayAccountRepository packagePayAccountRepository, NotifyUtil notifyUtil, PackageInfoRepository packageInfoRepository) {
        this.applicationProperties = applicationProperties;
        this.chargeOrderRepository = chargeOrderRepository;
        this.payAccountConfigRepository = payAccountConfigRepository;
        this.stringRedisTemplate = stringRedisTemplate;
        this.packagePayAccountRepository = packagePayAccountRepository;
        this.notifyUtil = notifyUtil;
        this.packageInfoRepository = packageInfoRepository;
    }

    /**
     * 支付宝订单统一下单
     * @param payPreParam
     * @return
     */
    @Override
    public PayPreResult unifiedOrder(PayPreParam payPreParam) {

        PayPreResult payPreResult = new PayPreResult();
        payPreResult.setOrderNo(payPreParam.getOrderNo());
        payPreResult.setOrderStatus(GoldFlowStatus.SUCCESS);
        payPreResult.setPayChannel(payPreParam.getPayChannelCode());

        PayAccountConfig payAccountConfig = payPreParam.getPayAccountConfig();

        String orderNo = payPreParam.getOrderNo();
        AttachParam attachParam = payPreParam.getAttachParam();
        String body = attachParam.getBody();

        // 分， 需要转换成元
        Long orderAmount = payPreParam.getOrderAmount();
        String amount = new BigDecimal(orderAmount).divide(new BigDecimal("100")).toString();

        //1  实例化客户端
        AlipayClient alipayClient = getAlipayClient(payAccountConfig);
        //2  实例化具体API对应的request类,类名称和接口名称对应,当前调用接口名称：alipay.trade.app.pay
        AlipayTradeAppPayRequest request = new AlipayTradeAppPayRequest();
        //3  SDK已经封装掉了公共参数，这里只需要传入业务参数。以下方法为sdk的model入参方式(model和biz_content同时存在的情况下取biz_content)。
        AlipayTradeAppPayModel model = new AlipayTradeAppPayModel();
        model.setSubject(body);
        model.setOutTradeNo(orderNo);
        // 超时时间十五分钟
        model.setTimeoutExpress("15m");
        model.setTotalAmount(amount);
        model.setProductCode("QUICK_MSECURITY_PAY");
        request.setBizModel(model);

        request.setNotifyUrl(notifyUtil.getNotifyUrl(payPreParam.getAttachParam().getPackageName(), ChargeOrderType.ALI_APP_PAY));

        try {
            //这里和普通的接口调用不同，使用的是sdkExecute
            AlipayTradeAppPayResponse response = alipayClient.sdkExecute(request);
            payPreResult.setPayInfo(response.getBody());
        } catch (AlipayApiException e) {
            e.printStackTrace();
            payPreResult.setOrderStatus(GoldFlowStatus.REJECT);
            payPreResult.setPayInfo("");
        }
        return payPreResult;
    }

    /**
     * 订单查询
     * @param payQueryParam
     * @return
     */
    @Override
    public PayQueryResult orderQuery(PayQueryParam payQueryParam) {

        PayQueryResult payQueryResult = new PayQueryResult();
        payQueryResult.setOrderStatus(GoldFlowStatus.PROCESSING);
        payQueryResult.setPayMsg("请求状态未知");


        String orderNo = payQueryParam.getOrderNo();
        PayAccountConfig payAccountConfig = payQueryParam.getPayAccountConfig();

        AlipayClient alipayClient = getAlipayClient(payAccountConfig);
        AlipayTradeQueryRequest request = new AlipayTradeQueryRequest();
        request.setBizContent("{\"out_trade_no\": " + orderNo + "}");

        try {
            AlipayTradeQueryResponse response = alipayClient.execute(request);
            if (response.isSuccess()) {
                String tradeStatus = response.getTradeStatus();
                if ("TRADE_SUCCESS".equals(tradeStatus) || "TRADE_FINISHED".equals(tradeStatus)){
                    payQueryResult.setOrderStatus(GoldFlowStatus.SUCCESS);
                } else if ("TRADE_CLOSED".equals(tradeStatus)) {
                    payQueryResult.setOrderStatus(GoldFlowStatus.REJECT);
                }
            }
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }
        return payQueryResult;
    }

    /**
     * 支付宝回调
     * @param verifyParam
     * @return
     */
    @Override
    public VerifyResult orderVerify(VerifyParam verifyParam) {
        VerifyResult verifyResult = new VerifyResult();
        verifyResult.setOrderStatus(GoldFlowStatus.PROCESSING);
        verifyResult.setResponseStr("failure");

        Map<String, Object> parameterMap = verifyParam.getParameterMap();
        Map<String,String> newMap = mapConvert(parameterMap);
        String orderNo = newMap.get("out_trade_no");

        ChargeOrder repository = chargeOrderRepository.findByOrderNo(orderNo);
        String aliPublicKey = getAliPublicKey(repository.getPackageName(), repository.getCtype());

        verifyResult.setOrderNo(orderNo);
        try {
            boolean isVerfied = AlipaySignature.rsaCheckV1(newMap, aliPublicKey, "UTF-8", SystemContants.ALI_SIGN_TYPE);
            if (isVerfied) {
                // 延签成功
                String orderStatus = newMap.get("trade_status");
                if ("TRADE_SUCCESS".equals(orderStatus) || "TRADE_FINISHED".equals(orderStatus)){
                    verifyResult.setOrderStatus(GoldFlowStatus.SUCCESS);
                    verifyResult.setResponseStr("success");

                    // 支付包订单金额为元，转化成分
                    String totalAmount = newMap.get("total_amount");
                    Long orderAmount = new BigDecimal(totalAmount).multiply(new BigDecimal("100")).longValue();
                    verifyResult.setOrderAmount(orderAmount);
                } else if ("TRADE_CLOSED".equals(orderStatus)){
                    verifyResult.setOrderStatus(GoldFlowStatus.REJECT);
                    verifyResult.setResponseStr("success");
                }
            } else {
                log.error("ali order verify check sign append error : {}", orderNo);
            }
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }
        return verifyResult;
    }


    private AlipayClient getAlipayClient(PayAccountConfig payAccountConfig){
        AlipayClient alipayClient = new DefaultAlipayClient(applicationProperties.getPay().getAliAppPayUrl(),
            payAccountConfig.getAppId(),
            payAccountConfig.getAliPrivateKey(),
            "json", "UTF-8",
            payAccountConfig.getAliPublicKey(),
            SystemContants.ALI_SIGN_TYPE);
        return alipayClient;
    }

    /**
     * 转换Map
     * @param map
     * @return
     */
    private static Map<String, String> mapConvert(Map<String , Object> map){
        Map<String, String> resultMap = new HashMap<>();
        for (String key : map.keySet()) {
            resultMap.put(key, map.get(key)+"");
        }
        return resultMap;
    }


    private String getAliPublicKey(String packageName, String plant) {

        PayAccountConfig payAccountConfig;
        Object configObj = stringRedisTemplate.opsForHash().get(configKey, packageName + "." + plant);
        if (null != configObj) {
            payAccountConfig = JSONObject.parseObject(configObj.toString(), PayAccountConfig.class);
            return payAccountConfig.getAliPublicKey();
        } else {
            PackageInfo packageInfo = packageInfoRepository.findByPackageName(packageName);
            PackagePayAccount packagePayAccount = packagePayAccountRepository.findByPackageIdAndPlant(packageInfo.getId(), plant);
            Optional<PayAccountConfig> optional = payAccountConfigRepository.findById(packagePayAccount.getAccountId());
            payAccountConfig = optional.get();
            payAccountConfig.setPlant(plant);
            payAccountConfig.setPackageName(packageName);
            return payAccountConfig.getAliPublicKey();
        }
    }
}

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