查询合单订单

1curl -X GET \
2  https://api.mch.weixin.qq.com/v3/combine-transactions/out-trade-no/P20150806125346 \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" 
5

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/partner/4014985777
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 * 商户订单号查询订单
24 */
25public class UnionQueryByOutTradeNo {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "GET";
28  private static String PATH = "/v3/combine-transactions/out-trade-no/{combine_out_trade_no}";
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/partner/4013080340
32    UnionQueryByOutTradeNo client = new UnionQueryByOutTradeNo(
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/partner/4013080340
34      "1DDE55AD98Exxxxxxxxxx",         // 商户API证书序列号，如何获取请参考 https://pay.weixin.qq.com/doc/v3/partner/4013058924
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/partner/4013038589
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    UnionQueryByOutTradeNoRequest request = new UnionQueryByOutTradeNoRequest();
41    request.combineOutTradeNo = "P20150806125346";
42    try {
43      UnionAPIv3UnionQueryResponse response = client.run(request);
44        // TODO: 请求成功，继续业务逻辑
45        System.out.println(response);
46    } catch (WXPayUtility.ApiException e) {
47        // TODO: 请求失败，根据状态码执行不同的逻辑
48        e.printStackTrace();
49    }
50  }
51
52  public UnionAPIv3UnionQueryResponse run(UnionQueryByOutTradeNoRequest request) {
53    String uri = PATH;
54    uri = uri.replace("{combine_out_trade_no}", WXPayUtility.urlEncode(request.combineOutTradeNo));
55
56    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
57    reqBuilder.addHeader("Accept", "application/json");
58    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
59    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo, privateKey, METHOD, uri, null));
60    reqBuilder.method(METHOD, null);
61    Request httpRequest = reqBuilder.build();
62
63    // 发送HTTP请求
64    OkHttpClient client = new OkHttpClient.Builder().build();
65    try (Response httpResponse = client.newCall(httpRequest).execute()) {
66      String respBody = WXPayUtility.extractBody(httpResponse);
67      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
68        // 2XX 成功，验证应答签名
69        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
70            httpResponse.headers(), respBody);
71
72        // 从HTTP应答报文构建返回数据
73        return WXPayUtility.fromJson(respBody, UnionAPIv3UnionQueryResponse.class);
74      } else {
75        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
76      }
77    } catch (IOException e) {
78      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
79    }
80  }
81
82  private final String mchid;
83  private final String certificateSerialNo;
84  private final PrivateKey privateKey;
85  private final String wechatPayPublicKeyId;
86  private final PublicKey wechatPayPublicKey;
87
88  public UnionQueryByOutTradeNo(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
89    this.mchid = mchid;
90    this.certificateSerialNo = certificateSerialNo;
91    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
92    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
93    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
94  }
95
96  public static class UnionQueryByOutTradeNoRequest {
97    @SerializedName("combine_out_trade_no")
98    @Expose(serialize = false)
99    public String combineOutTradeNo;
100  }
101  
102  public static class UnionAPIv3UnionQueryResponse {
103    @SerializedName("combine_appid")
104    public String combineAppid;
105  
106    @SerializedName("combine_mchid")
107    public String combineMchid;
108  
109    @SerializedName("combine_out_trade_no")
110    public String combineOutTradeNo;
111  
112    @SerializedName("combine_payer_info")
113    public UnionCommRespPayerInfo combinePayerInfo;
114  
115    @SerializedName("scene_info")
116    public UnionCommRespSceneInfo sceneInfo;
117  
118    @SerializedName("sub_orders")
119    public List<UnionSubOrder> subOrders;
120  }
121  
122  public static class UnionCommRespPayerInfo {
123    @SerializedName("openid")
124    public String openid;
125  }
126  
127  public static class UnionCommRespSceneInfo {
128    @SerializedName("device_id")
129    public String deviceId;
130  }
131  
132  public static class UnionSubOrder {
133    @SerializedName("mchid")
134    public String mchid;
135  
136    @SerializedName("sub_mchid")
137    public String subMchid;
138  
139    @SerializedName("sub_appid")
140    public String subAppid;
141  
142    @SerializedName("sub_openid")
143    public String subOpenid;
144  
145    @SerializedName("out_trade_no")
146    public String outTradeNo;
147  
148    @SerializedName("transaction_id")
149    public String transactionId;
150  
151    @SerializedName("trade_type")
152    public String tradeType;
153  
154    @SerializedName("trade_state")
155    public String tradeState;
156  
157    @SerializedName("bank_type")
158    public String bankType;
159  
160    @SerializedName("attach")
161    public String attach;
162  
163    @SerializedName("success_time")
164    public String successTime;
165  
166    @SerializedName("amount")
167    public UnionCommRespAmountInfo amount;
168  
169    @SerializedName("promotion_detail")
170    public List<UnionPromotionDetail> promotionDetail;
171  }
172  
173  public static class UnionCommRespAmountInfo {
174    @SerializedName("total_amount")
175    public Long totalAmount;
176  
177    @SerializedName("payer_amount")
178    public Long payerAmount;
179  
180    @SerializedName("currency")
181    public String currency;
182  
183    @SerializedName("payer_currency")
184    public String payerCurrency;
185  
186    @SerializedName("settlement_rate")
187    public Long settlementRate;
188  }
189  
190  public static class UnionPromotionDetail {
191    @SerializedName("coupon_id")
192    public String couponId;
193  
194    @SerializedName("name")
195    public String name;
196  
197    @SerializedName("scope")
198    public String scope;
199  
200    @SerializedName("type")
201    public String type;
202  
203    @SerializedName("amount")
204    public Long amount;
205  
206    @SerializedName("stock_id")
207    public String stockId;
208  
209    @SerializedName("wechatpay_contribute")
210    public Long wechatpayContribute;
211  
212    @SerializedName("merchant_contribute")
213    public Long merchantContribute;
214  
215    @SerializedName("other_contribute")
216    public Long otherContribute;
217  
218    @SerializedName("currency")
219    public String currency;
220  
221    @SerializedName("goods_detail")
222    public List<GoodsDetailInPromotion> goodsDetail;
223  }
224  
225  public static class GoodsDetailInPromotion {
226    @SerializedName("goods_id")
227    public String goodsId;
228  
229    @SerializedName("quantity")
230    public Long quantity;
231  
232    @SerializedName("unit_price")
233    public Long unitPrice;
234  
235    @SerializedName("discount_amount")
236    public Long discountAmount;
237  
238    @SerializedName("goods_remark")
239    public String goodsRemark;
240  }
241  
242}
243

1package main
2
3import (
4	"demo/wxpay_utility" // 引用微信支付工具库，参考 https://pay.weixin.qq.com/doc/v3/partner/4015119446
5	"encoding/json"
6	"fmt"
7	"net/http"
8	"net/url"
9	"strings"
10)
11
12func main() {
13	// TODO: 请准备商户开发必要参数，参考：https://pay.weixin.qq.com/doc/v3/partner/4013080340
14	config, err := wxpay_utility.CreateMchConfig(
15		"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/partner/4013080340
16		"1DDE55AD98Exxxxxxxxxx",      // 商户API证书序列号，如何获取请参考 https://pay.weixin.qq.com/doc/v3/partner/4013058924
17		"/path/to/apiclient_key.pem", // 商户API证书私钥文件路径，本地文件路径
18		"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/partner/4013038589
19		"/path/to/wxp_pub.pem",       // 微信支付公钥文件路径，本地文件路径
20	)
21	if err != nil {
22		fmt.Println(err)
23		return
24	}
25
26	request := &UnionQueryByOutTradeNoRequest{
27		CombineOutTradeNo: wxpay_utility.String("P20150806125346"),
28	}
29
30	response, err := UnionQueryByOutTradeNo(config, request)
31	if err != nil {
32		fmt.Printf("请求失败: %+v\n", err)
33		// TODO: 请求失败，根据状态码执行不同的处理
34		return
35	}
36
37	// TODO: 请求成功，继续业务逻辑
38	fmt.Printf("请求成功: %+v\n", response)
39}
40
41func UnionQueryByOutTradeNo(config *wxpay_utility.MchConfig, request *UnionQueryByOutTradeNoRequest) (response *UnionApiv3UnionQueryResponse, err error) {
42	const (
43		host   = "https://api.mch.weixin.qq.com"
44		method = "GET"
45		path   = "/v3/combine-transactions/out-trade-no/{combine_out_trade_no}"
46	)
47
48	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
49	if err != nil {
50		return nil, err
51	}
52	reqUrl.Path = strings.Replace(reqUrl.Path, "{combine_out_trade_no}", url.PathEscape(*request.CombineOutTradeNo), -1)
53	httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
54	if err != nil {
55		return nil, err
56	}
57	httpRequest.Header.Set("Accept", "application/json")
58	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
59	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
60	if err != nil {
61		return nil, err
62	}
63	httpRequest.Header.Set("Authorization", authorization)
64
65	client := &http.Client{}
66	httpResponse, err := client.Do(httpRequest)
67	if err != nil {
68		return nil, err
69	}
70	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
71	if err != nil {
72		return nil, err
73	}
74	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
75		// 2XX 成功，验证应答签名
76		err = wxpay_utility.ValidateResponse(
77			config.WechatPayPublicKeyId(),
78			config.WechatPayPublicKey(),
79			&httpResponse.Header,
80			respBody,
81		)
82		if err != nil {
83			return nil, err
84		}
85		response := &UnionApiv3UnionQueryResponse{}
86		if err := json.Unmarshal(respBody, response); err != nil {
87			return nil, err
88		}
89
90		return response, nil
91	} else {
92		return nil, wxpay_utility.NewApiException(
93			httpResponse.StatusCode,
94			httpResponse.Header,
95			respBody,
96		)
97	}
98}
99
100type UnionQueryByOutTradeNoRequest struct {
101	CombineOutTradeNo *string `json:"combine_out_trade_no,omitempty"`
102}
103
104func (o *UnionQueryByOutTradeNoRequest) MarshalJSON() ([]byte, error) {
105	type Alias UnionQueryByOutTradeNoRequest
106	a := &struct {
107		CombineOutTradeNo *string `json:"combine_out_trade_no,omitempty"`
108		*Alias
109	}{
110		// 序列化时移除非 Body 字段
111		CombineOutTradeNo: nil,
112		Alias:             (*Alias)(o),
113	}
114	return json.Marshal(a)
115}
116
117type UnionApiv3UnionQueryResponse struct {
118	CombineAppid      *string                 `json:"combine_appid,omitempty"`
119	CombineMchid      *string                 `json:"combine_mchid,omitempty"`
120	CombineOutTradeNo *string                 `json:"combine_out_trade_no,omitempty"`
121	CombinePayerInfo  *UnionCommRespPayerInfo `json:"combine_payer_info,omitempty"`
122	SceneInfo         *UnionCommRespSceneInfo `json:"scene_info,omitempty"`
123	SubOrders         []UnionSubOrder         `json:"sub_orders,omitempty"`
124}
125
126type UnionCommRespPayerInfo struct {
127	Openid *string `json:"openid,omitempty"`
128}
129
130type UnionCommRespSceneInfo struct {
131	DeviceId *string `json:"device_id,omitempty"`
132}
133
134type UnionSubOrder struct {
135	Mchid           *string                  `json:"mchid,omitempty"`
136	SubMchid        *string                  `json:"sub_mchid,omitempty"`
137	SubAppid        *string                  `json:"sub_appid,omitempty"`
138	SubOpenid       *string                  `json:"sub_openid,omitempty"`
139	OutTradeNo      *string                  `json:"out_trade_no,omitempty"`
140	TransactionId   *string                  `json:"transaction_id,omitempty"`
141	TradeType       *string                  `json:"trade_type,omitempty"`
142	TradeState      *string                  `json:"trade_state,omitempty"`
143	BankType        *string                  `json:"bank_type,omitempty"`
144	Attach          *string                  `json:"attach,omitempty"`
145	SuccessTime     *string                  `json:"success_time,omitempty"`
146	Amount          *UnionCommRespAmountInfo `json:"amount,omitempty"`
147	PromotionDetail []UnionPromotionDetail   `json:"promotion_detail,omitempty"`
148}
149
150type UnionCommRespAmountInfo struct {
151	TotalAmount    *int64  `json:"total_amount,omitempty"`
152	PayerAmount    *int64  `json:"payer_amount,omitempty"`
153	Currency       *string `json:"currency,omitempty"`
154	PayerCurrency  *string `json:"payer_currency,omitempty"`
155	SettlementRate *int64  `json:"settlement_rate,omitempty"`
156}
157
158type UnionPromotionDetail struct {
159	CouponId            *string                  `json:"coupon_id,omitempty"`
160	Name                *string                  `json:"name,omitempty"`
161	Scope               *string                  `json:"scope,omitempty"`
162	Type                *string                  `json:"type,omitempty"`
163	Amount              *int64                   `json:"amount,omitempty"`
164	StockId             *string                  `json:"stock_id,omitempty"`
165	WechatpayContribute *int64                   `json:"wechatpay_contribute,omitempty"`
166	MerchantContribute  *int64                   `json:"merchant_contribute,omitempty"`
167	OtherContribute     *int64                   `json:"other_contribute,omitempty"`
168	Currency            *string                  `json:"currency,omitempty"`
169	GoodsDetail         []GoodsDetailInPromotion `json:"goods_detail,omitempty"`
170}
171
172type GoodsDetailInPromotion struct {
173	GoodsId        *string `json:"goods_id,omitempty"`
174	Quantity       *int64  `json:"quantity,omitempty"`
175	UnitPrice      *int64  `json:"unit_price,omitempty"`
176	DiscountAmount *int64  `json:"discount_amount,omitempty"`
177	GoodsRemark    *string `json:"goods_remark,omitempty"`
178}
179