查询订单

1curl -X GET \
2  https://api.mch.weixin.qq.com/v3/vehicle/transactions/out-trade-no/20150806125346 \
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/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 * 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/merchant/4013070756
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/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    QueryTransactionRequest request = new QueryTransactionRequest();
41    request.outTradeNo = "20150806125346";
42    try {
43      Transaction 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 Transaction run(QueryTransactionRequest request) {
53    String uri = PATH;
54    uri = uri.replace("{out_trade_no}", WXPayUtility.urlEncode(request.outTradeNo));
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, Transaction.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 QueryTransaction(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 QueryTransactionRequest {
97    @SerializedName("out_trade_no")
98    @Expose(serialize = false)
99    public String outTradeNo;
100  }
101  
102  public static class Transaction {
103    @SerializedName("appid")
104    public String appid;
105  
106    @SerializedName("sp_mchid")
107    public String spMchid;
108  
109    @SerializedName("description")
110    public String description;
111  
112    @SerializedName("create_time")
113    public String createTime;
114  
115    @SerializedName("out_trade_no")
116    public String outTradeNo;
117  
118    @SerializedName("transaction_id")
119    public String transactionId;
120  
121    @SerializedName("trade_state")
122    public String tradeState;
123  
124    @SerializedName("trade_state_description")
125    public String tradeStateDescription;
126  
127    @SerializedName("success_time")
128    public String successTime;
129  
130    @SerializedName("bank_type")
131    public String bankType;
132  
133    @SerializedName("user_repaid")
134    public String userRepaid;
135  
136    @SerializedName("attach")
137    public String attach;
138  
139    @SerializedName("trade_scene")
140    public String tradeScene;
141  
142    @SerializedName("parking_info")
143    public ParkingTradeScene parkingInfo;
144  
145    @SerializedName("payer")
146    public Payer payer;
147  
148    @SerializedName("amount")
149    public QueryOrderAmount amount;
150  
151    @SerializedName("promotion_detail")
152    public List<PromotionDetail> promotionDetail;
153  }
154  
155  public static class ParkingTradeScene {
156    @SerializedName("parking_id")
157    public String parkingId;
158  
159    @SerializedName("plate_number")
160    public String plateNumber;
161  
162    @SerializedName("plate_color")
163    public PlateColor plateColor;
164  
165    @SerializedName("start_time")
166    public String startTime;
167  
168    @SerializedName("end_time")
169    public String endTime;
170  
171    @SerializedName("parking_name")
172    public String parkingName;
173  
174    @SerializedName("charging_duration")
175    public Long chargingDuration;
176  
177    @SerializedName("device_id")
178    public String deviceId;
179  }
180  
181  public static class Payer {
182    @SerializedName("openid")
183    public String openid;
184  }
185  
186  public static class QueryOrderAmount {
187    @SerializedName("total")
188    public Long total;
189  
190    @SerializedName("currency")
191    public String currency;
192  
193    @SerializedName("payer_total")
194    public Long payerTotal;
195  
196    @SerializedName("discount_total")
197    public Long discountTotal;
198  }
199  
200  public static class PromotionDetail {
201    @SerializedName("coupon_id")
202    public String couponId;
203  
204    @SerializedName("name")
205    public String name;
206  
207    @SerializedName("scope")
208    public String scope;
209  
210    @SerializedName("type")
211    public String type;
212  
213    @SerializedName("stock_id")
214    public String stockId;
215  
216    @SerializedName("amount")
217    public Long amount;
218  
219    @SerializedName("wechatpay_contribute")
220    public Long wechatpayContribute;
221  
222    @SerializedName("merchant_contribute")
223    public Long merchantContribute;
224  
225    @SerializedName("other_contribute")
226    public Long otherContribute;
227  
228    @SerializedName("currency")
229    public String currency;
230  }
231  
232  public enum PlateColor {
233    @SerializedName("BLUE")
234    BLUE,
235    @SerializedName("GREEN")
236    GREEN,
237    @SerializedName("YELLOW")
238    YELLOW,
239    @SerializedName("BLACK")
240    BLACK,
241    @SerializedName("WHITE")
242    WHITE,
243    @SerializedName("LIMEGREEN")
244    LIMEGREEN
245  }
246  
247}
248

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/merchant/4015119334
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/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 := &QueryTransactionRequest{
28		OutTradeNo: wxpay_utility.String("20150806125346"),
29	}
30
31	response, err := QueryTransaction(config, request)
32	if err != nil {
33		fmt.Printf("请求失败: %+v\n", err)
34		// TODO: 请求失败，根据状态码执行不同的处理
35		return
36	}
37
38	// TODO: 请求成功，继续业务逻辑
39	fmt.Printf("请求成功: %+v\n", response)
40}
41
42func QueryTransaction(config *wxpay_utility.MchConfig, request *QueryTransactionRequest) (response *Transaction, err error) {
43	const (
44		host   = "https://api.mch.weixin.qq.com"
45		method = "GET"
46		path   = "/v3/vehicle/transactions/out-trade-no/{out_trade_no}"
47	)
48
49	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
50	if err != nil {
51		return nil, err
52	}
53	reqUrl.Path = strings.Replace(reqUrl.Path, "{out_trade_no}", url.PathEscape(*request.OutTradeNo), -1)
54	httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
55	if err != nil {
56		return nil, err
57	}
58	httpRequest.Header.Set("Accept", "application/json")
59	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
60	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
61	if err != nil {
62		return nil, err
63	}
64	httpRequest.Header.Set("Authorization", authorization)
65
66	client := &http.Client{}
67	httpResponse, err := client.Do(httpRequest)
68	if err != nil {
69		return nil, err
70	}
71	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
72	if err != nil {
73		return nil, err
74	}
75	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
76		// 2XX 成功，验证应答签名
77		err = wxpay_utility.ValidateResponse(
78			config.WechatPayPublicKeyId(),
79			config.WechatPayPublicKey(),
80			&httpResponse.Header,
81			respBody,
82		)
83		if err != nil {
84			return nil, err
85		}
86		response := &Transaction{}
87		if err := json.Unmarshal(respBody, response); err != nil {
88			return nil, err
89		}
90
91		return response, nil
92	} else {
93		return nil, wxpay_utility.NewApiException(
94			httpResponse.StatusCode,
95			httpResponse.Header,
96			respBody,
97		)
98	}
99}
100
101type QueryTransactionRequest struct {
102	OutTradeNo *string `json:"out_trade_no,omitempty"`
103}
104
105func (o *QueryTransactionRequest) MarshalJSON() ([]byte, error) {
106	type Alias QueryTransactionRequest
107	a := &struct {
108		OutTradeNo *string `json:"out_trade_no,omitempty"`
109		*Alias
110	}{
111		// 序列化时移除非 Body 字段
112		OutTradeNo: nil,
113		Alias:      (*Alias)(o),
114	}
115	return json.Marshal(a)
116}
117
118type Transaction struct {
119	Appid                 *string            `json:"appid,omitempty"`
120	SpMchid               *string            `json:"sp_mchid,omitempty"`
121	Description           *string            `json:"description,omitempty"`
122	CreateTime            *time.Time         `json:"create_time,omitempty"`
123	OutTradeNo            *string            `json:"out_trade_no,omitempty"`
124	TransactionId         *string            `json:"transaction_id,omitempty"`
125	TradeState            *string            `json:"trade_state,omitempty"`
126	TradeStateDescription *string            `json:"trade_state_description,omitempty"`
127	SuccessTime           *time.Time         `json:"success_time,omitempty"`
128	BankType              *string            `json:"bank_type,omitempty"`
129	UserRepaid            *string            `json:"user_repaid,omitempty"`
130	Attach                *string            `json:"attach,omitempty"`
131	TradeScene            *string            `json:"trade_scene,omitempty"`
132	ParkingInfo           *ParkingTradeScene `json:"parking_info,omitempty"`
133	Payer                 *Payer             `json:"payer,omitempty"`
134	Amount                *QueryOrderAmount  `json:"amount,omitempty"`
135	PromotionDetail       []PromotionDetail  `json:"promotion_detail,omitempty"`
136}
137
138type ParkingTradeScene struct {
139	ParkingId        *string     `json:"parking_id,omitempty"`
140	PlateNumber      *string     `json:"plate_number,omitempty"`
141	PlateColor       *PlateColor `json:"plate_color,omitempty"`
142	StartTime        *time.Time  `json:"start_time,omitempty"`
143	EndTime          *time.Time  `json:"end_time,omitempty"`
144	ParkingName      *string     `json:"parking_name,omitempty"`
145	ChargingDuration *int64      `json:"charging_duration,omitempty"`
146	DeviceId         *string     `json:"device_id,omitempty"`
147}
148
149type Payer struct {
150	Openid *string `json:"openid,omitempty"`
151}
152
153type QueryOrderAmount struct {
154	Total         *int64  `json:"total,omitempty"`
155	Currency      *string `json:"currency,omitempty"`
156	PayerTotal    *int64  `json:"payer_total,omitempty"`
157	DiscountTotal *int64  `json:"discount_total,omitempty"`
158}
159
160type PromotionDetail struct {
161	CouponId            *string `json:"coupon_id,omitempty"`
162	Name                *string `json:"name,omitempty"`
163	Scope               *string `json:"scope,omitempty"`
164	Type                *string `json:"type,omitempty"`
165	StockId             *string `json:"stock_id,omitempty"`
166	Amount              *int64  `json:"amount,omitempty"`
167	WechatpayContribute *int64  `json:"wechatpay_contribute,omitempty"`
168	MerchantContribute  *int64  `json:"merchant_contribute,omitempty"`
169	OtherContribute     *int64  `json:"other_contribute,omitempty"`
170	Currency            *string `json:"currency,omitempty"`
171}
172
173type PlateColor string
174
175func (e PlateColor) Ptr() *PlateColor {
176	return &e
177}
178
179const (
180	PLATECOLOR_BLUE      PlateColor = "BLUE"
181	PLATECOLOR_GREEN     PlateColor = "GREEN"
182	PLATECOLOR_YELLOW    PlateColor = "YELLOW"
183	PLATECOLOR_BLACK     PlateColor = "BLACK"
184	PLATECOLOR_WHITE     PlateColor = "WHITE"
185	PLATECOLOR_LIMEGREEN PlateColor = "LIMEGREEN"
186)
187