微信支付订单号查询订单

1curl -X GET \
2  https://api.mch.weixin.qq.com/v3/pay/transactions/id/1217752501201407033233368018?mchid=1230000109 \
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 * 微信支付订单号查询订单
24 */
25public class QueryByWxTradeNo {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "GET";
28  private static String PATH = "/v3/pay/transactions/id/{transaction_id}";
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    QueryByWxTradeNo client = new QueryByWxTradeNo(
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    QueryByWxTradeNoRequest request = new QueryByWxTradeNoRequest();
41    request.transactionId = "1217752501201407033233368018";
42    request.mchid = "1230000109";
43    try {
44      DirectAPIv3QueryResponse 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 DirectAPIv3QueryResponse run(QueryByWxTradeNoRequest request) {
54    String uri = PATH;
55    uri = uri.replace("{transaction_id}", WXPayUtility.urlEncode(request.transactionId));
56    Map<String, Object> args = new HashMap<>();
57    args.put("mchid", request.mchid);
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, DirectAPIv3QueryResponse.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 QueryByWxTradeNo(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 QueryByWxTradeNoRequest {
104    @SerializedName("mchid")
105    @Expose(serialize = false)
106    public String mchid;
107  
108    @SerializedName("transaction_id")
109    @Expose(serialize = false)
110    public String transactionId;
111  }
112  
113  public static class DirectAPIv3QueryResponse {
114    @SerializedName("appid")
115    public String appid;
116  
117    @SerializedName("mchid")
118    public String mchid;
119  
120    @SerializedName("out_trade_no")
121    public String outTradeNo;
122  
123    @SerializedName("transaction_id")
124    public String transactionId;
125  
126    @SerializedName("trade_type")
127    public String tradeType;
128  
129    @SerializedName("trade_state")
130    public String tradeState;
131  
132    @SerializedName("trade_state_desc")
133    public String tradeStateDesc;
134  
135    @SerializedName("bank_type")
136    public String bankType;
137  
138    @SerializedName("attach")
139    public String attach;
140  
141    @SerializedName("success_time")
142    public String successTime;
143  
144    @SerializedName("payer")
145    public CommRespPayerInfo payer;
146  
147    @SerializedName("amount")
148    public CommRespAmountInfo amount;
149  
150    @SerializedName("scene_info")
151    public CommRespSceneInfo sceneInfo;
152  
153    @SerializedName("promotion_detail")
154    public List<PromotionDetail> promotionDetail;
155  }
156  
157  public static class CommRespPayerInfo {
158    @SerializedName("openid")
159    public String openid;
160  }
161  
162  public static class CommRespAmountInfo {
163    @SerializedName("total")
164    public Long total;
165  
166    @SerializedName("payer_total")
167    public Long payerTotal;
168  
169    @SerializedName("currency")
170    public String currency;
171  
172    @SerializedName("payer_currency")
173    public String payerCurrency;
174  }
175  
176  public static class CommRespSceneInfo {
177    @SerializedName("device_id")
178    public String deviceId;
179  }
180  
181  public static class PromotionDetail {
182    @SerializedName("coupon_id")
183    public String couponId;
184  
185    @SerializedName("name")
186    public String name;
187  
188    @SerializedName("scope")
189    public String scope;
190  
191    @SerializedName("type")
192    public String type;
193  
194    @SerializedName("amount")
195    public Long amount;
196  
197    @SerializedName("stock_id")
198    public String stockId;
199  
200    @SerializedName("wechatpay_contribute")
201    public Long wechatpayContribute;
202  
203    @SerializedName("merchant_contribute")
204    public Long merchantContribute;
205  
206    @SerializedName("other_contribute")
207    public Long otherContribute;
208  
209    @SerializedName("currency")
210    public String currency;
211  
212    @SerializedName("goods_detail")
213    public List<GoodsDetailInPromotion> goodsDetail;
214  }
215  
216  public static class GoodsDetailInPromotion {
217    @SerializedName("goods_id")
218    public String goodsId;
219  
220    @SerializedName("quantity")
221    public Long quantity;
222  
223    @SerializedName("unit_price")
224    public Long unitPrice;
225  
226    @SerializedName("discount_amount")
227    public Long discountAmount;
228  
229    @SerializedName("goods_remark")
230    public String goodsRemark;
231  }
232  
233}
234

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)
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/merchant/4013070756
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/merchant/4013070756
16		"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
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/merchant/4013038816
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 := &QueryByWxTradeNoRequest{
27		Mchid:         wxpay_utility.String("1230000109"),
28		TransactionId: wxpay_utility.String("1217752501201407033233368018"),
29	}
30
31	response, err := QueryByWxTradeNo(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 QueryByWxTradeNo(config *wxpay_utility.MchConfig, request *QueryByWxTradeNoRequest) (response *DirectApiv3QueryResponse, err error) {
43	const (
44		host   = "https://api.mch.weixin.qq.com"
45		method = "GET"
46		path   = "/v3/pay/transactions/id/{transaction_id}"
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, "{transaction_id}", url.PathEscape(*request.TransactionId), -1)
54	query := reqUrl.Query()
55	if request.Mchid != nil {
56		query.Add("mchid", *request.Mchid)
57	}
58	reqUrl.RawQuery = query.Encode()
59	httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
60	if err != nil {
61		return nil, err
62	}
63	httpRequest.Header.Set("Accept", "application/json")
64	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
65	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
66	if err != nil {
67		return nil, err
68	}
69	httpRequest.Header.Set("Authorization", authorization)
70
71	client := &http.Client{}
72	httpResponse, err := client.Do(httpRequest)
73	if err != nil {
74		return nil, err
75	}
76	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
77	if err != nil {
78		return nil, err
79	}
80	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
81		// 2XX 成功，验证应答签名
82		err = wxpay_utility.ValidateResponse(
83			config.WechatPayPublicKeyId(),
84			config.WechatPayPublicKey(),
85			&httpResponse.Header,
86			respBody,
87		)
88		if err != nil {
89			return nil, err
90		}
91		response := &DirectApiv3QueryResponse{}
92		if err := json.Unmarshal(respBody, response); err != nil {
93			return nil, err
94		}
95
96		return response, nil
97	} else {
98		return nil, wxpay_utility.NewApiException(
99			httpResponse.StatusCode,
100			httpResponse.Header,
101			respBody,
102		)
103	}
104}
105
106type QueryByWxTradeNoRequest struct {
107	Mchid         *string `json:"mchid,omitempty"`
108	TransactionId *string `json:"transaction_id,omitempty"`
109}
110
111func (o *QueryByWxTradeNoRequest) MarshalJSON() ([]byte, error) {
112	type Alias QueryByWxTradeNoRequest
113	a := &struct {
114		Mchid         *string `json:"mchid,omitempty"`
115		TransactionId *string `json:"transaction_id,omitempty"`
116		*Alias
117	}{
118		// 序列化时移除非 Body 字段
119		Mchid:         nil,
120		TransactionId: nil,
121		Alias:         (*Alias)(o),
122	}
123	return json.Marshal(a)
124}
125
126type DirectApiv3QueryResponse struct {
127	Appid           *string             `json:"appid,omitempty"`
128	Mchid           *string             `json:"mchid,omitempty"`
129	OutTradeNo      *string             `json:"out_trade_no,omitempty"`
130	TransactionId   *string             `json:"transaction_id,omitempty"`
131	TradeType       *string             `json:"trade_type,omitempty"`
132	TradeState      *string             `json:"trade_state,omitempty"`
133	TradeStateDesc  *string             `json:"trade_state_desc,omitempty"`
134	BankType        *string             `json:"bank_type,omitempty"`
135	Attach          *string             `json:"attach,omitempty"`
136	SuccessTime     *string             `json:"success_time,omitempty"`
137	Payer           *CommRespPayerInfo  `json:"payer,omitempty"`
138	Amount          *CommRespAmountInfo `json:"amount,omitempty"`
139	SceneInfo       *CommRespSceneInfo  `json:"scene_info,omitempty"`
140	PromotionDetail []PromotionDetail   `json:"promotion_detail,omitempty"`
141}
142
143type CommRespPayerInfo struct {
144	Openid *string `json:"openid,omitempty"`
145}
146
147type CommRespAmountInfo struct {
148	Total         *int64  `json:"total,omitempty"`
149	PayerTotal    *int64  `json:"payer_total,omitempty"`
150	Currency      *string `json:"currency,omitempty"`
151	PayerCurrency *string `json:"payer_currency,omitempty"`
152}
153
154type CommRespSceneInfo struct {
155	DeviceId *string `json:"device_id,omitempty"`
156}
157
158type PromotionDetail 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