查询订单

1curl -X GET \
2  https://api.mch.weixin.qq.com/v3/vehicle/transactions/out-trade-no/20150806125346?sub_mchid=1900000109 \
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 * 查询订单
24 */
25public class QueryTransaction {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "GET";
28  private static String PATH = "/v3/vehicle/transactions/out-trade-no/{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    QueryTransaction client = new QueryTransaction(
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    QueryTransactionRequest request = new QueryTransactionRequest();
41    request.outTradeNo = "20150806125346";
42    request.subMchid = "1900000109";
43    try {
44      Transaction response = client.run(request);
45        // TODO: 请求成功，继续业务逻辑
46        System.out.println(response);
47    } catch (WXPayUtility.ApiException e) {
48        // TODO: 请求失败，根据状态码执行不同的逻辑
49        e.printStackTrace();
50    }
51  }
52
53  public Transaction run(QueryTransactionRequest request) {
54    String uri = PATH;
55    uri = uri.replace("{out_trade_no}", WXPayUtility.urlEncode(request.outTradeNo));
56    Map<String, Object> args = new HashMap<>();
57    args.put("sub_mchid", request.subMchid);
58    String queryString = WXPayUtility.urlEncode(args);
59    if (!queryString.isEmpty()) {
60        uri = uri + "?" + queryString;
61    }
62
63    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
64    reqBuilder.addHeader("Accept", "application/json");
65    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
66    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo, privateKey, METHOD, uri, null));
67    reqBuilder.method(METHOD, null);
68    Request httpRequest = reqBuilder.build();
69
70    // 发送HTTP请求
71    OkHttpClient client = new OkHttpClient.Builder().build();
72    try (Response httpResponse = client.newCall(httpRequest).execute()) {
73      String respBody = WXPayUtility.extractBody(httpResponse);
74      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
75        // 2XX 成功，验证应答签名
76        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
77            httpResponse.headers(), respBody);
78
79        // 从HTTP应答报文构建返回数据
80        return WXPayUtility.fromJson(respBody, Transaction.class);
81      } else {
82        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
83      }
84    } catch (IOException e) {
85      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
86    }
87  }
88
89  private final String mchid;
90  private final String certificateSerialNo;
91  private final PrivateKey privateKey;
92  private final String wechatPayPublicKeyId;
93  private final PublicKey wechatPayPublicKey;
94
95  public QueryTransaction(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
96    this.mchid = mchid;
97    this.certificateSerialNo = certificateSerialNo;
98    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
99    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
100    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
101  }
102
103  public static class QueryTransactionRequest {
104    @SerializedName("sub_mchid")
105    @Expose(serialize = false)
106    public String subMchid;
107  
108    @SerializedName("out_trade_no")
109    @Expose(serialize = false)
110    public String outTradeNo;
111  }
112  
113  public static class Transaction {
114    @SerializedName("appid")
115    public String appid;
116  
117    @SerializedName("sub_appid")
118    public String subAppid;
119  
120    @SerializedName("sp_mchid")
121    public String spMchid;
122  
123    @SerializedName("sub_mchid")
124    public String subMchid;
125  
126    @SerializedName("description")
127    public String description;
128  
129    @SerializedName("create_time")
130    public String createTime;
131  
132    @SerializedName("out_trade_no")
133    public String outTradeNo;
134  
135    @SerializedName("transaction_id")
136    public String transactionId;
137  
138    @SerializedName("trade_state")
139    public String tradeState;
140  
141    @SerializedName("trade_state_description")
142    public String tradeStateDescription;
143  
144    @SerializedName("success_time")
145    public String successTime;
146  
147    @SerializedName("bank_type")
148    public String bankType;
149  
150    @SerializedName("user_repaid")
151    public String userRepaid;
152  
153    @SerializedName("attach")
154    public String attach;
155  
156    @SerializedName("trade_scene")
157    public String tradeScene;
158  
159    @SerializedName("parking_info")
160    public ParkingTradeScene parkingInfo;
161  
162    @SerializedName("payer")
163    public Payer payer;
164  
165    @SerializedName("amount")
166    public QueryOrderAmount amount;
167  
168    @SerializedName("promotion_detail")
169    public List<PromotionDetail> promotionDetail;
170  }
171  
172  public static class ParkingTradeScene {
173    @SerializedName("parking_id")
174    public String parkingId;
175  
176    @SerializedName("plate_number")
177    public String plateNumber;
178  
179    @SerializedName("plate_color")
180    public PlateColor plateColor;
181  
182    @SerializedName("start_time")
183    public String startTime;
184  
185    @SerializedName("end_time")
186    public String endTime;
187  
188    @SerializedName("parking_name")
189    public String parkingName;
190  
191    @SerializedName("charging_duration")
192    public Long chargingDuration;
193  
194    @SerializedName("device_id")
195    public String deviceId;
196  }
197  
198  public static class Payer {
199    @SerializedName("openid")
200    public String openid;
201  
202    @SerializedName("sub_openid")
203    public String subOpenid;
204  }
205  
206  public static class QueryOrderAmount {
207    @SerializedName("total")
208    public Long total;
209  
210    @SerializedName("currency")
211    public String currency;
212  
213    @SerializedName("payer_total")
214    public Long payerTotal;
215  
216    @SerializedName("discount_total")
217    public Long discountTotal;
218  }
219  
220  public static class PromotionDetail {
221    @SerializedName("coupon_id")
222    public String couponId;
223  
224    @SerializedName("name")
225    public String name;
226  
227    @SerializedName("scope")
228    public String scope;
229  
230    @SerializedName("type")
231    public String type;
232  
233    @SerializedName("stock_id")
234    public String stockId;
235  
236    @SerializedName("amount")
237    public Long amount;
238  
239    @SerializedName("wechatpay_contribute")
240    public Long wechatpayContribute;
241  
242    @SerializedName("merchant_contribute")
243    public Long merchantContribute;
244  
245    @SerializedName("other_contribute")
246    public Long otherContribute;
247  
248    @SerializedName("currency")
249    public String currency;
250  }
251  
252  public enum PlateColor {
253    @SerializedName("BLUE")
254    BLUE,
255    @SerializedName("GREEN")
256    GREEN,
257    @SerializedName("YELLOW")
258    YELLOW,
259    @SerializedName("BLACK")
260    BLACK,
261    @SerializedName("WHITE")
262    WHITE,
263    @SerializedName("LIMEGREEN")
264    LIMEGREEN
265  }
266  
267}
268

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	"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/partner/4013080340
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/partner/4013080340
17		"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
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/partner/4013038589
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 := &QueryTransactionRequest{
28		SubMchid:   wxpay_utility.String("1900000109"),
29		OutTradeNo: wxpay_utility.String("20150806125346"),
30	}
31
32	response, err := QueryTransaction(config, request)
33	if err != nil {
34		fmt.Printf("请求失败: %+v\n", err)
35		// TODO: 请求失败，根据状态码执行不同的处理
36		return
37	}
38
39	// TODO: 请求成功，继续业务逻辑
40	fmt.Printf("请求成功: %+v\n", response)
41}
42
43func QueryTransaction(config *wxpay_utility.MchConfig, request *QueryTransactionRequest) (response *Transaction, err error) {
44	const (
45		host   = "https://api.mch.weixin.qq.com"
46		method = "GET"
47		path   = "/v3/vehicle/transactions/out-trade-no/{out_trade_no}"
48	)
49
50	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
51	if err != nil {
52		return nil, err
53	}
54	reqUrl.Path = strings.Replace(reqUrl.Path, "{out_trade_no}", url.PathEscape(*request.OutTradeNo), -1)
55	query := reqUrl.Query()
56	if request.SubMchid != nil {
57		query.Add("sub_mchid", *request.SubMchid)
58	}
59	reqUrl.RawQuery = query.Encode()
60	httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
61	if err != nil {
62		return nil, err
63	}
64	httpRequest.Header.Set("Accept", "application/json")
65	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
66	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
67	if err != nil {
68		return nil, err
69	}
70	httpRequest.Header.Set("Authorization", authorization)
71
72	client := &http.Client{}
73	httpResponse, err := client.Do(httpRequest)
74	if err != nil {
75		return nil, err
76	}
77	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
78	if err != nil {
79		return nil, err
80	}
81	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
82		// 2XX 成功，验证应答签名
83		err = wxpay_utility.ValidateResponse(
84			config.WechatPayPublicKeyId(),
85			config.WechatPayPublicKey(),
86			&httpResponse.Header,
87			respBody,
88		)
89		if err != nil {
90			return nil, err
91		}
92		response := &Transaction{}
93		if err := json.Unmarshal(respBody, response); err != nil {
94			return nil, err
95		}
96
97		return response, nil
98	} else {
99		return nil, wxpay_utility.NewApiException(
100			httpResponse.StatusCode,
101			httpResponse.Header,
102			respBody,
103		)
104	}
105}
106
107type QueryTransactionRequest struct {
108	SubMchid   *string `json:"sub_mchid,omitempty"`
109	OutTradeNo *string `json:"out_trade_no,omitempty"`
110}
111
112func (o *QueryTransactionRequest) MarshalJSON() ([]byte, error) {
113	type Alias QueryTransactionRequest
114	a := &struct {
115		SubMchid   *string `json:"sub_mchid,omitempty"`
116		OutTradeNo *string `json:"out_trade_no,omitempty"`
117		*Alias
118	}{
119		// 序列化时移除非 Body 字段
120		SubMchid:   nil,
121		OutTradeNo: nil,
122		Alias:      (*Alias)(o),
123	}
124	return json.Marshal(a)
125}
126
127type Transaction struct {
128	Appid                 *string            `json:"appid,omitempty"`
129	SubAppid              *string            `json:"sub_appid,omitempty"`
130	SpMchid               *string            `json:"sp_mchid,omitempty"`
131	SubMchid              *string            `json:"sub_mchid,omitempty"`
132	Description           *string            `json:"description,omitempty"`
133	CreateTime            *time.Time         `json:"create_time,omitempty"`
134	OutTradeNo            *string            `json:"out_trade_no,omitempty"`
135	TransactionId         *string            `json:"transaction_id,omitempty"`
136	TradeState            *string            `json:"trade_state,omitempty"`
137	TradeStateDescription *string            `json:"trade_state_description,omitempty"`
138	SuccessTime           *time.Time         `json:"success_time,omitempty"`
139	BankType              *string            `json:"bank_type,omitempty"`
140	UserRepaid            *string            `json:"user_repaid,omitempty"`
141	Attach                *string            `json:"attach,omitempty"`
142	TradeScene            *string            `json:"trade_scene,omitempty"`
143	ParkingInfo           *ParkingTradeScene `json:"parking_info,omitempty"`
144	Payer                 *Payer             `json:"payer,omitempty"`
145	Amount                *QueryOrderAmount  `json:"amount,omitempty"`
146	PromotionDetail       []PromotionDetail  `json:"promotion_detail,omitempty"`
147}
148
149type ParkingTradeScene struct {
150	ParkingId        *string     `json:"parking_id,omitempty"`
151	PlateNumber      *string     `json:"plate_number,omitempty"`
152	PlateColor       *PlateColor `json:"plate_color,omitempty"`
153	StartTime        *time.Time  `json:"start_time,omitempty"`
154	EndTime          *time.Time  `json:"end_time,omitempty"`
155	ParkingName      *string     `json:"parking_name,omitempty"`
156	ChargingDuration *int64      `json:"charging_duration,omitempty"`
157	DeviceId         *string     `json:"device_id,omitempty"`
158}
159
160type Payer struct {
161	Openid    *string `json:"openid,omitempty"`
162	SubOpenid *string `json:"sub_openid,omitempty"`
163}
164
165type QueryOrderAmount struct {
166	Total         *int64  `json:"total,omitempty"`
167	Currency      *string `json:"currency,omitempty"`
168	PayerTotal    *int64  `json:"payer_total,omitempty"`
169	DiscountTotal *int64  `json:"discount_total,omitempty"`
170}
171
172type PromotionDetail struct {
173	CouponId            *string `json:"coupon_id,omitempty"`
174	Name                *string `json:"name,omitempty"`
175	Scope               *string `json:"scope,omitempty"`
176	Type                *string `json:"type,omitempty"`
177	StockId             *string `json:"stock_id,omitempty"`
178	Amount              *int64  `json:"amount,omitempty"`
179	WechatpayContribute *int64  `json:"wechatpay_contribute,omitempty"`
180	MerchantContribute  *int64  `json:"merchant_contribute,omitempty"`
181	OtherContribute     *int64  `json:"other_contribute,omitempty"`
182	Currency            *string `json:"currency,omitempty"`
183}
184
185type PlateColor string
186
187func (e PlateColor) Ptr() *PlateColor {
188	return &e
189}
190
191const (
192	PLATECOLOR_BLUE      PlateColor = "BLUE"
193	PLATECOLOR_GREEN     PlateColor = "GREEN"
194	PLATECOLOR_YELLOW    PlateColor = "YELLOW"
195	PLATECOLOR_BLACK     PlateColor = "BLACK"
196	PLATECOLOR_WHITE     PlateColor = "WHITE"
197	PLATECOLOR_LIMEGREEN PlateColor = "LIMEGREEN"
198)
199