App合单下单

1curl -X POST \
2  https://api.mch.weixin.qq.com/v3/combine-transactions/app \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" \
5  -H "Content-Type: application/json" \
6  -d '{
7    "time_expire" : "2000-01-01T00:00:00+08:00",
8    "combine_appid" : "wxd678efh567hg6787",
9    "sub_orders" : [
10      {
11        "mchid" : "1230000109",
12        "attach" : "深圳分店",
13        "amount" : {
14          "total_amount" : 10,
15          "currency" : "CNY"
16        },
17        "out_trade_no" : "20150806125346",
18        "detail" : "买单费用",
19        "description" : "腾讯充值中心-QQ会员充值",
20        "settle_info" : {
21          "profit_sharing" : false
22        },
23        "goods_tag" : "WXG"
24      },
25      {
26        "mchid" : "1230000119",
27        "attach" : "广州分店",
28        "amount" : {
29          "total_amount" : 10,
30          "currency" : "CNY"
31        },
32        "out_trade_no" : "20150806125347",
33        "detail" : "买单费用",
34        "description" : "腾讯充值中心-微信充值",
35        "settle_info" : {
36          "profit_sharing" : false
37        },
38        "goods_tag" : "WXG"
39      }
40    ],
41    "combine_payer_info" : {
42      "openid" : "oUpF8uMuAJO_M2pxb1Q9zNjWeS6o"
43    },
44    "combine_out_trade_no" : "20150806125345",
45    "notify_url" : "https://yourapp.com/notify",
46    "combine_mchid" : "1900000109",
47    "scene_info" : {
48      "device_id" : "POS1:1",
49      "payer_client_ip" : "14.17.22.32"
50    }
51  }'
52

1package com.java.demo;
2
3import com.java.utils.WXPayUtility; // 引用微信支付工具库，参考：https://pay.weixin.qq.com/doc/v3/merchant/4014931831
4
5import com.google.gson.annotations.SerializedName;
6import com.google.gson.annotations.Expose;
7import okhttp3.MediaType;
8import okhttp3.OkHttpClient;
9import okhttp3.Request;
10import okhttp3.RequestBody;
11import okhttp3.Response;
12
13import java.io.IOException;
14import java.io.UncheckedIOException;
15import java.security.PrivateKey;
16import java.security.PublicKey;
17import java.util.ArrayList;
18import java.util.HashMap;
19import java.util.List;
20import java.util.Map;
21
22/**
23 * 合单下单-APP
24 */
25public class UnionAppPrepay {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "POST";
28  private static String PATH = "/v3/combine-transactions/app";
29
30  public static void main(String[] args) {
31    // TODO: 请准备商户开发必要参数，参考：https://pay.weixin.qq.com/doc/v3/merchant/4013070756
32    UnionAppPrepay client = new UnionAppPrepay(
33      "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
34      "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
35      "/path/to/apiclient_key.pem",     // 商户API证书私钥文件路径，本地文件路径
36      "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
37      "/path/to/wxp_pub.pem"           // 微信支付公钥文件路径，本地文件路径
38    );
39
40    UnionAPIv3AppPrepayRequest request = new UnionAPIv3AppPrepayRequest();
41    request.combineAppid = "wxd678efh567hg6787";
42    request.combineOutTradeNo = "20150806125345";
43    request.combineMchid = "1900000109";
44    request.sceneInfo = new UnionSceneInfo();
45    request.sceneInfo.deviceId = "POS1:1";
46    request.sceneInfo.payerClientIp = "14.17.22.32";
47    request.subOrders = new ArrayList<>();
48    {
49      UnionSubOrder subOrdersItem0 = new UnionSubOrder();
50      subOrdersItem0.mchid = "1230000109";
51      subOrdersItem0.outTradeNo = "20150806125346";
52      subOrdersItem0.amount = new UnionAmountInfo();
53      subOrdersItem0.amount.totalAmount = 10L;
54      subOrdersItem0.amount.currency = "CNY";
55      subOrdersItem0.attach = "深圳分店";
56      subOrdersItem0.description = "腾讯充值中心-QQ会员充值";
57      subOrdersItem0.detail = "买单费用";
58      subOrdersItem0.goodsTag = "WXG";
59      subOrdersItem0.settleInfo = new UnionSettleInfo();
60      subOrdersItem0.settleInfo.profitSharing = false;
61      request.subOrders.add(subOrdersItem0);
62      UnionSubOrder subOrdersItem1 = new UnionSubOrder();
63      subOrdersItem1.mchid = "1230000119";
64      subOrdersItem1.outTradeNo = "20150806125347";
65      subOrdersItem1.amount = new UnionAmountInfo();
66      subOrdersItem1.amount.totalAmount = 10L;
67      subOrdersItem1.amount.currency = "CNY";
68      subOrdersItem1.attach = "广州分店";
69      subOrdersItem1.description = "腾讯充值中心-微信充值";
70      subOrdersItem1.detail = "买单费用";
71      subOrdersItem1.goodsTag = "WXG";
72      subOrdersItem1.settleInfo = new UnionSettleInfo();
73      subOrdersItem1.settleInfo.profitSharing = false;
74      request.subOrders.add(subOrdersItem1);
75    };
76    request.combinePayerInfo = new UnionAppPayerInfo();
77    request.combinePayerInfo.openid = "oUpF8uMuAJO_M2pxb1Q9zNjWeS6o";
78    request.timeExpire = "2000-01-01T00:00:00+08:00";
79    request.notifyUrl = "https://yourapp.com/notify";
80    try {
81      UnionAPIv3AppPrepayResponse response = client.run(request);
82        // TODO: 请求成功，继续业务逻辑
83        System.out.println(response);
84    } catch (WXPayUtility.ApiException e) {
85        // TODO: 请求失败，根据状态码执行不同的逻辑
86        e.printStackTrace();
87    }
88  }
89
90  public UnionAPIv3AppPrepayResponse run(UnionAPIv3AppPrepayRequest request) {
91    String uri = PATH;
92    String reqBody = WXPayUtility.toJson(request);
93
94    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
95    reqBuilder.addHeader("Accept", "application/json");
96    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
97    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo,privateKey, METHOD, uri, reqBody));
98    reqBuilder.addHeader("Content-Type", "application/json");
99    RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), reqBody);
100    reqBuilder.method(METHOD, requestBody);
101    Request httpRequest = reqBuilder.build();
102
103    // 发送HTTP请求
104    OkHttpClient client = new OkHttpClient.Builder().build();
105    try (Response httpResponse = client.newCall(httpRequest).execute()) {
106      String respBody = WXPayUtility.extractBody(httpResponse);
107      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
108        // 2XX 成功，验证应答签名
109        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
110            httpResponse.headers(), respBody);
111
112        // 从HTTP应答报文构建返回数据
113        return WXPayUtility.fromJson(respBody, UnionAPIv3AppPrepayResponse.class);
114      } else {
115        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
116      }
117    } catch (IOException e) {
118      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
119    }
120  }
121
122  private final String mchid;
123  private final String certificateSerialNo;
124  private final PrivateKey privateKey;
125  private final String wechatPayPublicKeyId;
126  private final PublicKey wechatPayPublicKey;
127
128  public UnionAppPrepay(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
129    this.mchid = mchid;
130    this.certificateSerialNo = certificateSerialNo;
131    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
132    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
133    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
134  }
135
136  public static class UnionAPIv3AppPrepayRequest {
137    @SerializedName("combine_appid")
138    public String combineAppid;
139  
140    @SerializedName("combine_out_trade_no")
141    public String combineOutTradeNo;
142  
143    @SerializedName("combine_mchid")
144    public String combineMchid;
145  
146    @SerializedName("scene_info")
147    public UnionSceneInfo sceneInfo;
148  
149    @SerializedName("sub_orders")
150    public List<UnionSubOrder> subOrders = new ArrayList<UnionSubOrder>();
151  
152    @SerializedName("combine_payer_info")
153    public UnionAppPayerInfo combinePayerInfo;
154  
155    @SerializedName("time_expire")
156    public String timeExpire;
157  
158    @SerializedName("notify_url")
159    public String notifyUrl;
160  
161    @SerializedName("trade_scenario")
162    public String tradeScenario;
163  }
164  
165  public static class UnionAPIv3AppPrepayResponse {
166    @SerializedName("prepay_id")
167    public String prepayId;
168  }
169  
170  public static class UnionSceneInfo {
171    @SerializedName("device_id")
172    public String deviceId;
173  
174    @SerializedName("payer_client_ip")
175    public String payerClientIp;
176  }
177  
178  public static class UnionSubOrder {
179    @SerializedName("mchid")
180    public String mchid;
181  
182    @SerializedName("out_trade_no")
183    public String outTradeNo;
184  
185    @SerializedName("amount")
186    public UnionAmountInfo amount;
187  
188    @SerializedName("attach")
189    public String attach;
190  
191    @SerializedName("description")
192    public String description;
193  
194    @SerializedName("detail")
195    public String detail;
196  
197    @SerializedName("goods_tag")
198    public String goodsTag;
199  
200    @SerializedName("settle_info")
201    public UnionSettleInfo settleInfo;
202  }
203  
204  public static class UnionAppPayerInfo {
205    @SerializedName("openid")
206    public String openid;
207  }
208  
209  public static class UnionAmountInfo {
210    @SerializedName("total_amount")
211    public Long totalAmount;
212  
213    @SerializedName("currency")
214    public String currency;
215  }
216  
217  public static class UnionSettleInfo {
218    @SerializedName("profit_sharing")
219    public Boolean profitSharing;
220  }
221  
222}
223

1package main
2
3import (
4	"bytes"
5	"demo/wxpay_utility" // 引用微信支付工具库，参考 https://pay.weixin.qq.com/doc/v3/merchant/4015119334
6	"encoding/json"
7	"fmt"
8	"net/http"
9	"net/url"
10	"time"
11)
12
13func main() {
14	// TODO: 请准备商户开发必要参数，参考：https://pay.weixin.qq.com/doc/v3/merchant/4013070756
15	config, err := wxpay_utility.CreateMchConfig(
16		"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
17		"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
18		"/path/to/apiclient_key.pem", // 商户API证书私钥文件路径，本地文件路径
19		"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
20		"/path/to/wxp_pub.pem",       // 微信支付公钥文件路径，本地文件路径
21	)
22	if err != nil {
23		fmt.Println(err)
24		return
25	}
26
27	request := &UnionApiv3AppPrepayRequest{
28		CombineAppid:      wxpay_utility.String("wxd678efh567hg6787"),
29		CombineOutTradeNo: wxpay_utility.String("20150806125345"),
30		CombineMchid:      wxpay_utility.String("1900000109"),
31		SceneInfo: &UnionSceneInfo{
32			DeviceId:      wxpay_utility.String("POS1:1"),
33			PayerClientIp: wxpay_utility.String("14.17.22.32"),
34		},
35		SubOrders: []UnionSubOrder{
36			UnionSubOrder{
37				Mchid:      wxpay_utility.String("1230000109"),
38				OutTradeNo: wxpay_utility.String("20150806125346"),
39				Amount: &UnionAmountInfo{
40					TotalAmount: wxpay_utility.Int64(10),
41					Currency:    wxpay_utility.String("CNY"),
42				},
43				Attach:      wxpay_utility.String("深圳分店"),
44				Description: wxpay_utility.String("腾讯充值中心-QQ会员充值"),
45				Detail:      wxpay_utility.String("买单费用"),
46				GoodsTag:    wxpay_utility.String("WXG"),
47				SettleInfo: &UnionSettleInfo{
48					ProfitSharing: wxpay_utility.Bool(false),
49				},
50			},
51			UnionSubOrder{
52				Mchid:      wxpay_utility.String("1230000119"),
53				OutTradeNo: wxpay_utility.String("20150806125347"),
54				Amount: &UnionAmountInfo{
55					TotalAmount: wxpay_utility.Int64(10),
56					Currency:    wxpay_utility.String("CNY"),
57				},
58				Attach:      wxpay_utility.String("广州分店"),
59				Description: wxpay_utility.String("腾讯充值中心-微信充值"),
60				Detail:      wxpay_utility.String("买单费用"),
61				GoodsTag:    wxpay_utility.String("WXG"),
62				SettleInfo: &UnionSettleInfo{
63					ProfitSharing: wxpay_utility.Bool(false),
64				},
65			},
66		},
67		CombinePayerInfo: &UnionAppPayerInfo{
68			Openid: wxpay_utility.String("oUpF8uMuAJO_M2pxb1Q9zNjWeS6o"),
69		},
70		TimeExpire: wxpay_utility.Time(time.Now()),
71		NotifyUrl:  wxpay_utility.String("https://yourapp.com/notify"),
72	}
73
74	response, err := UnionAppPrepay(config, request)
75	if err != nil {
76		fmt.Printf("请求失败: %+v\n", err)
77		// TODO: 请求失败，根据状态码执行不同的处理
78		return
79	}
80
81	// TODO: 请求成功，继续业务逻辑
82	fmt.Printf("请求成功: %+v\n", response)
83}
84
85func UnionAppPrepay(config *wxpay_utility.MchConfig, request *UnionApiv3AppPrepayRequest) (response *UnionApiv3AppPrepayResponse, err error) {
86	const (
87		host   = "https://api.mch.weixin.qq.com"
88		method = "POST"
89		path   = "/v3/combine-transactions/app"
90	)
91
92	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
93	if err != nil {
94		return nil, err
95	}
96	reqBody, err := json.Marshal(request)
97	if err != nil {
98		return nil, err
99	}
100	httpRequest, err := http.NewRequest(method, reqUrl.String(), bytes.NewReader(reqBody))
101	if err != nil {
102		return nil, err
103	}
104	httpRequest.Header.Set("Accept", "application/json")
105	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
106	httpRequest.Header.Set("Content-Type", "application/json")
107	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), reqBody)
108	if err != nil {
109		return nil, err
110	}
111	httpRequest.Header.Set("Authorization", authorization)
112
113	client := &http.Client{}
114	httpResponse, err := client.Do(httpRequest)
115	if err != nil {
116		return nil, err
117	}
118	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
119	if err != nil {
120		return nil, err
121	}
122	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
123		// 2XX 成功，验证应答签名
124		err = wxpay_utility.ValidateResponse(
125			config.WechatPayPublicKeyId(),
126			config.WechatPayPublicKey(),
127			&httpResponse.Header,
128			respBody,
129		)
130		if err != nil {
131			return nil, err
132		}
133		response := &UnionApiv3AppPrepayResponse{}
134		if err := json.Unmarshal(respBody, response); err != nil {
135			return nil, err
136		}
137
138		return response, nil
139	} else {
140		return nil, wxpay_utility.NewApiException(
141			httpResponse.StatusCode,
142			httpResponse.Header,
143			respBody,
144		)
145	}
146}
147
148type UnionApiv3AppPrepayRequest struct {
149	CombineAppid      *string            `json:"combine_appid,omitempty"`
150	CombineOutTradeNo *string            `json:"combine_out_trade_no,omitempty"`
151	CombineMchid      *string            `json:"combine_mchid,omitempty"`
152	SceneInfo         *UnionSceneInfo    `json:"scene_info,omitempty"`
153	SubOrders         []UnionSubOrder    `json:"sub_orders,omitempty"`
154	CombinePayerInfo  *UnionAppPayerInfo `json:"combine_payer_info,omitempty"`
155	TimeExpire        *time.Time         `json:"time_expire,omitempty"`
156	NotifyUrl         *string            `json:"notify_url,omitempty"`
157	TradeScenario     *string            `json:"trade_scenario,omitempty"`
158}
159
160type UnionApiv3AppPrepayResponse struct {
161	PrepayId *string `json:"prepay_id,omitempty"`
162}
163
164type UnionSceneInfo struct {
165	DeviceId      *string `json:"device_id,omitempty"`
166	PayerClientIp *string `json:"payer_client_ip,omitempty"`
167}
168
169type UnionSubOrder struct {
170	Mchid       *string          `json:"mchid,omitempty"`
171	OutTradeNo  *string          `json:"out_trade_no,omitempty"`
172	Amount      *UnionAmountInfo `json:"amount,omitempty"`
173	Attach      *string          `json:"attach,omitempty"`
174	Description *string          `json:"description,omitempty"`
175	Detail      *string          `json:"detail,omitempty"`
176	GoodsTag    *string          `json:"goods_tag,omitempty"`
177	SettleInfo  *UnionSettleInfo `json:"settle_info,omitempty"`
178}
179
180type UnionAppPayerInfo struct {
181	Openid *string `json:"openid,omitempty"`
182}
183
184type UnionAmountInfo struct {
185	TotalAmount *int64  `json:"total_amount,omitempty"`
186	Currency    *string `json:"currency,omitempty"`
187}
188
189type UnionSettleInfo struct {
190	ProfitSharing *bool `json:"profit_sharing,omitempty"`
191}
192