Add WeChat Pay local skills
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package com.java.demo;
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import com.java.utils.WXPayUtility; // 引用微信支付工具库，参考：https://pay.weixin.qq.com/doc/v3/merchant/4014931831
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import com.google.gson.annotations.SerializedName;
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import com.google.gson.annotations.Expose;
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import okhttp3.MediaType;
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import okhttp3.OkHttpClient;
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import okhttp3.Request;
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import okhttp3.RequestBody;
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import okhttp3.Response;
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import java.io.IOException;
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import java.io.UncheckedIOException;
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import java.security.PrivateKey;
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import java.security.PublicKey;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* JSAPI下单
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*/
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public class JsapiPrepay {
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private static String HOST = "https://api.mch.weixin.qq.com";
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private static String METHOD = "POST";
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private static String PATH = "/v3/pay/transactions/jsapi";
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public static void main(String[] args) {
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// TODO: 请准备商户开发必要参数，参考：https://pay.weixin.qq.com/doc/v3/merchant/4013070756
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JsapiPrepay client = new JsapiPrepay(
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"19xxxxxxxx", // 商户号，是由微信支付系统生成并分配给每个商户的唯一标识符，商户号获取方式参考 https://pay.weixin.qq.com/doc/v3/merchant/4013070756
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"1DDE55AD98Exxxxxxxxxx", // 商户API证书序列号，如何获取请参考 https://pay.weixin.qq.com/doc/v3/merchant/4013053053
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"/path/to/apiclient_key.pem", // 商户API证书私钥文件路径，本地文件路径
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"PUB_KEY_ID_xxxxxxxxxxxxx", // 微信支付公钥ID，如何获取请参考 https://pay.weixin.qq.com/doc/v3/merchant/4013038816
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"/path/to/wxp_pub.pem" // 微信支付公钥文件路径，本地文件路径
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);
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DirectAPIv3JsapiPrepayRequest request = new DirectAPIv3JsapiPrepayRequest();
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request.appid = "wxd678efh567hg6787";
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request.mchid = "1230000109";
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request.description = "Image形象店-深圳腾大-QQ公仔";
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request.outTradeNo = "1217752501201407033233368018";
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request.timeExpire = "2018-06-08T10:34:56+08:00";
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request.attach = "自定义数据说明";
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request.notifyUrl = " https://www.weixin.qq.com/wxpay/pay.php";
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request.goodsTag = "WXG";
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request.supportFapiao = false;
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request.amount = new CommonAmountInfo();
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request.amount.total = 100L;
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request.amount.currency = "CNY";
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request.payer = new JsapiReqPayerInfo();
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request.payer.openid = "oUpF8uMuAJO_M2pxb1Q9zNjWeS6o";
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request.detail = new CouponInfo();
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request.detail.costPrice = 608800L;
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request.detail.invoiceId = "微信123";
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request.detail.goodsDetail = new ArrayList<>();
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{
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GoodsDetail goodsDetailItem = new GoodsDetail();
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goodsDetailItem.merchantGoodsId = "1246464644";
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goodsDetailItem.wechatpayGoodsId = "1001";
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goodsDetailItem.goodsName = "iPhoneX 256G";
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goodsDetailItem.quantity = 1L;
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goodsDetailItem.unitPrice = 528800L;
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request.detail.goodsDetail.add(goodsDetailItem);
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};
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request.sceneInfo = new CommonSceneInfo();
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request.sceneInfo.payerClientIp = "14.23.150.211";
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request.sceneInfo.deviceId = "013467007045764";
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request.sceneInfo.storeInfo = new StoreInfo();
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request.sceneInfo.storeInfo.id = "0001";
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request.sceneInfo.storeInfo.name = "腾讯大厦分店";
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request.sceneInfo.storeInfo.areaCode = "440305";
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request.sceneInfo.storeInfo.address = "广东省深圳市南山区科技中一道10000号";
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request.settleInfo = new SettleInfo();
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request.settleInfo.profitSharing = false;
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try {
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DirectAPIv3JsapiPrepayResponse response = client.run(request);
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// TODO: 请求成功，继续业务逻辑
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System.out.println(response);
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} catch (WXPayUtility.ApiException e) {
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// TODO: 请求失败，根据状态码执行不同的逻辑
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e.printStackTrace();
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}
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}
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public DirectAPIv3JsapiPrepayResponse run(DirectAPIv3JsapiPrepayRequest request) {
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String uri = PATH;
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String reqBody = WXPayUtility.toJson(request);
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Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
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reqBuilder.addHeader("Accept", "application/json");
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reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
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reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo,privateKey, METHOD, uri, reqBody));
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reqBuilder.addHeader("Content-Type", "application/json");
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RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), reqBody);
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reqBuilder.method(METHOD, requestBody);
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Request httpRequest = reqBuilder.build();
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// 发送HTTP请求
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OkHttpClient client = new OkHttpClient.Builder().build();
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try (Response httpResponse = client.newCall(httpRequest).execute()) {
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String respBody = WXPayUtility.extractBody(httpResponse);
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if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
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// 2XX 成功，验证应答签名
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WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
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httpResponse.headers(), respBody);
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// 从HTTP应答报文构建返回数据
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return WXPayUtility.fromJson(respBody, DirectAPIv3JsapiPrepayResponse.class);
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} else {
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throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
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}
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} catch (IOException e) {
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throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
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}
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}
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private final String mchid;
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private final String certificateSerialNo;
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private final PrivateKey privateKey;
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private final String wechatPayPublicKeyId;
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private final PublicKey wechatPayPublicKey;
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public JsapiPrepay(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
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this.mchid = mchid;
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this.certificateSerialNo = certificateSerialNo;
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this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
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this.wechatPayPublicKeyId = wechatPayPublicKeyId;
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this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
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}
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public static class DirectAPIv3JsapiPrepayRequest {
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@SerializedName("appid")
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public String appid;
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@SerializedName("mchid")
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public String mchid;
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@SerializedName("description")
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public String description;
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@SerializedName("out_trade_no")
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public String outTradeNo;
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@SerializedName("time_expire")
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public String timeExpire;
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@SerializedName("attach")
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public String attach;
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@SerializedName("notify_url")
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public String notifyUrl;
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@SerializedName("goods_tag")
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public String goodsTag;
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@SerializedName("support_fapiao")
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public Boolean supportFapiao;
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@SerializedName("amount")
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public CommonAmountInfo amount;
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@SerializedName("payer")
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public JsapiReqPayerInfo payer;
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@SerializedName("detail")
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public CouponInfo detail;
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@SerializedName("scene_info")
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public CommonSceneInfo sceneInfo;
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@SerializedName("settle_info")
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public SettleInfo settleInfo;
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}
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public static class DirectAPIv3JsapiPrepayResponse {
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@SerializedName("prepay_id")
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public String prepayId;
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}
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public static class CommonAmountInfo {
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@SerializedName("total")
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public Long total;
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@SerializedName("currency")
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public String currency;
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}
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public static class JsapiReqPayerInfo {
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@SerializedName("openid")
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public String openid;
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}
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public static class CouponInfo {
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@SerializedName("cost_price")
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public Long costPrice;
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@SerializedName("invoice_id")
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public String invoiceId;
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@SerializedName("goods_detail")
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public List<GoodsDetail> goodsDetail;
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}
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public static class CommonSceneInfo {
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@SerializedName("payer_client_ip")
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public String payerClientIp;
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@SerializedName("device_id")
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public String deviceId;
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@SerializedName("store_info")
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public StoreInfo storeInfo;
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}
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public static class SettleInfo {
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@SerializedName("profit_sharing")
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public Boolean profitSharing;
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}
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public static class GoodsDetail {
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@SerializedName("merchant_goods_id")
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public String merchantGoodsId;
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@SerializedName("wechatpay_goods_id")
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public String wechatpayGoodsId;
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@SerializedName("goods_name")
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public String goodsName;
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@SerializedName("quantity")
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public Long quantity;
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@SerializedName("unit_price")
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public Long unitPrice;
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}
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public static class StoreInfo {
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@SerializedName("id")
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public String id;
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@SerializedName("name")
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public String name;
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@SerializedName("area_code")
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public String areaCode;
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@SerializedName("address")
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public String address;
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}
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}
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