查询商户影像件资料

1curl -X GET \
2  https://api.mch.weixin.qq.com/v3/aggracct-bc/wb-channel/account/mch_media?mchid=mchid_example&platform_trx_id=platform_trx_id_example&business_scene=SJT_MICRO_PLUS_OPEN_ACCOUNT&mch_media_type=ID_CARD_FRONT&media_id=media_id_example \
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 * 查询商户影像件资料
24 */
25public class GetMchMedia {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "GET";
28  private static String PATH = "/v3/aggracct-bc/wb-channel/account/mch_media";
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    GetMchMedia client = new GetMchMedia(
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    GetMchMediaRequest request = new GetMchMediaRequest();
41    request.mchid = "mchid_example";
42    request.platformTrxId = "platformTrxId_example";
43    request.businessScene = GetMchMediaBusinessScene.SJT_MICRO_PLUS_OPEN_ACCOUNT;
44    request.mchMediaType = MchMediaType.ID_CARD_FRONT;
45    request.mediaId = "mediaId_example";
46    try {
47      GetMchMediaResponse response = client.run(request);
48        // TODO: 请求成功，继续业务逻辑
49        System.out.println(response);
50    } catch (WXPayUtility.ApiException e) {
51        // TODO: 请求失败，根据状态码执行不同的逻辑
52        e.printStackTrace();
53    }
54  }
55
56  public GetMchMediaResponse run(GetMchMediaRequest request) {
57    String uri = PATH;
58    Map<String, Object> args = new HashMap<>();
59    args.put("mchid", request.mchid);
60    args.put("platform_trx_id", request.platformTrxId);
61    args.put("business_scene", request.businessScene);
62    args.put("mch_media_type", request.mchMediaType);
63    args.put("media_id", request.mediaId);
64    String queryString = WXPayUtility.urlEncode(args);
65    if (!queryString.isEmpty()) {
66        uri = uri + "?" + queryString;
67    }
68
69    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
70    reqBuilder.addHeader("Accept", "application/json");
71    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
72    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo, privateKey, METHOD, uri, null));
73    reqBuilder.method(METHOD, null);
74    Request httpRequest = reqBuilder.build();
75
76    // 发送HTTP请求
77    OkHttpClient client = new OkHttpClient.Builder().build();
78    try (Response httpResponse = client.newCall(httpRequest).execute()) {
79      String respBody = WXPayUtility.extractBody(httpResponse);
80      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
81        // 2XX 成功，验证应答签名
82        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
83            httpResponse.headers(), respBody);
84
85        // 从HTTP应答报文构建返回数据
86        return WXPayUtility.fromJson(respBody, GetMchMediaResponse.class);
87      } else {
88        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
89      }
90    } catch (IOException e) {
91      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
92    }
93  }
94
95  private final String mchid;
96  private final String certificateSerialNo;
97  private final PrivateKey privateKey;
98  private final String wechatPayPublicKeyId;
99  private final PublicKey wechatPayPublicKey;
100
101  public GetMchMedia(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
102    this.mchid = mchid;
103    this.certificateSerialNo = certificateSerialNo;
104    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
105    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
106    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
107  }
108
109  public static class GetMchMediaRequest {
110    @SerializedName("mchid")
111    @Expose(serialize = false)
112    public String mchid;
113  
114    @SerializedName("platform_trx_id")
115    @Expose(serialize = false)
116    public String platformTrxId;
117  
118    @SerializedName("media_id")
119    @Expose(serialize = false)
120    public String mediaId;
121  
122    @SerializedName("business_scene")
123    @Expose(serialize = false)
124    public GetMchMediaBusinessScene businessScene;
125  
126    @SerializedName("mch_media_type")
127    @Expose(serialize = false)
128    public MchMediaType mchMediaType;
129  }
130  
131  public static class GetMchMediaResponse {
132    @SerializedName("media_content")
133    public String mediaContent;
134  
135    @SerializedName("media_type")
136    public String mediaType;
137  
138    @SerializedName("media_sm3")
139    public String mediaSm3;
140  
141    @SerializedName("key")
142    public String key;
143  
144    @SerializedName("media_id")
145    public String mediaId;
146  }
147  
148  public enum GetMchMediaBusinessScene {
149    @SerializedName("SJT_MICRO_PLUS_OPEN_ACCOUNT")
150    SJT_MICRO_PLUS_OPEN_ACCOUNT,
151    @SerializedName("SJT_MICRO_PLUS_UPDATE_INFO")
152    SJT_MICRO_PLUS_UPDATE_INFO,
153    @SerializedName("GET_BY_MEDIA_ID")
154    GET_BY_MEDIA_ID
155  }
156  
157  public enum MchMediaType {
158    @SerializedName("ID_CARD_FRONT")
159    ID_CARD_FRONT,
160    @SerializedName("ID_CARD_BACK")
161    ID_CARD_BACK,
162    @SerializedName("STORE_FRONT")
163    STORE_FRONT,
164    @SerializedName("STORE_INTERIOR")
165    STORE_INTERIOR
166  }
167  
168}
169

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)
10
11func main() {
12	// TODO: 请准备商户开发必要参数，参考：https://pay.weixin.qq.com/doc/v3/merchant/4013070756
13	config, err := wxpay_utility.CreateMchConfig(
14		"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
15		"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
16		"/path/to/apiclient_key.pem", // 商户API证书私钥文件路径，本地文件路径
17		"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
18		"/path/to/wxp_pub.pem",       // 微信支付公钥文件路径，本地文件路径
19	)
20	if err != nil {
21		fmt.Println(err)
22		return
23	}
24
25	request := &GetMchMediaRequest{
26		Mchid:         wxpay_utility.String("Mchid_example"),
27		PlatformTrxId: wxpay_utility.String("PlatformTrxId_example"),
28		BusinessScene: GETMCHMEDIABUSINESSSCENE_SJT_MICRO_PLUS_OPEN_ACCOUNT.Ptr(),
29		MchMediaType:  MCHMEDIATYPE_ID_CARD_FRONT.Ptr(),
30		MediaId:       wxpay_utility.String("MediaId_example"),
31	}
32
33	response, err := GetMchMedia(config, request)
34	if err != nil {
35		fmt.Printf("请求失败: %+v\n", err)
36		// TODO: 请求失败，根据状态码执行不同的处理
37		return
38	}
39
40	// TODO: 请求成功，继续业务逻辑
41	fmt.Printf("请求成功: %+v\n", response)
42}
43
44func GetMchMedia(config *wxpay_utility.MchConfig, request *GetMchMediaRequest) (response *GetMchMediaResponse, err error) {
45	const (
46		host   = "https://api.mch.weixin.qq.com"
47		method = "GET"
48		path   = "/v3/aggracct-bc/wb-channel/account/mch_media"
49	)
50
51	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
52	if err != nil {
53		return nil, err
54	}
55	query := reqUrl.Query()
56	if request.Mchid != nil {
57		query.Add("mchid", *request.Mchid)
58	}
59	if request.PlatformTrxId != nil {
60		query.Add("platform_trx_id", *request.PlatformTrxId)
61	}
62	if request.BusinessScene != nil {
63		query.Add("business_scene", fmt.Sprintf("%v", *request.BusinessScene))
64	}
65	if request.MchMediaType != nil {
66		query.Add("mch_media_type", fmt.Sprintf("%v", *request.MchMediaType))
67	}
68	if request.MediaId != nil {
69		query.Add("media_id", *request.MediaId)
70	}
71	reqUrl.RawQuery = query.Encode()
72	httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
73	if err != nil {
74		return nil, err
75	}
76	httpRequest.Header.Set("Accept", "application/json")
77	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
78	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
79	if err != nil {
80		return nil, err
81	}
82	httpRequest.Header.Set("Authorization", authorization)
83
84	client := &http.Client{}
85	httpResponse, err := client.Do(httpRequest)
86	if err != nil {
87		return nil, err
88	}
89	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
90	if err != nil {
91		return nil, err
92	}
93	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
94		// 2XX 成功，验证应答签名
95		err = wxpay_utility.ValidateResponse(
96			config.WechatPayPublicKeyId(),
97			config.WechatPayPublicKey(),
98			&httpResponse.Header,
99			respBody,
100		)
101		if err != nil {
102			return nil, err
103		}
104		response := &GetMchMediaResponse{}
105		if err := json.Unmarshal(respBody, response); err != nil {
106			return nil, err
107		}
108
109		return response, nil
110	} else {
111		return nil, wxpay_utility.NewApiException(
112			httpResponse.StatusCode,
113			httpResponse.Header,
114			respBody,
115		)
116	}
117}
118
119type GetMchMediaRequest struct {
120	Mchid         *string                   `json:"mchid,omitempty"`
121	PlatformTrxId *string                   `json:"platform_trx_id,omitempty"`
122	MediaId       *string                   `json:"media_id,omitempty"`
123	BusinessScene *GetMchMediaBusinessScene `json:"business_scene,omitempty"`
124	MchMediaType  *MchMediaType             `json:"mch_media_type,omitempty"`
125}
126
127func (o *GetMchMediaRequest) MarshalJSON() ([]byte, error) {
128	type Alias GetMchMediaRequest
129	a := &struct {
130		Mchid         *string                   `json:"mchid,omitempty"`
131		PlatformTrxId *string                   `json:"platform_trx_id,omitempty"`
132		MediaId       *string                   `json:"media_id,omitempty"`
133		BusinessScene *GetMchMediaBusinessScene `json:"business_scene,omitempty"`
134		MchMediaType  *MchMediaType             `json:"mch_media_type,omitempty"`
135		*Alias
136	}{
137		// 序列化时移除非 Body 字段
138		Mchid:         nil,
139		PlatformTrxId: nil,
140		MediaId:       nil,
141		BusinessScene: nil,
142		MchMediaType:  nil,
143		Alias:         (*Alias)(o),
144	}
145	return json.Marshal(a)
146}
147
148type GetMchMediaResponse struct {
149	MediaContent *string `json:"media_content,omitempty"`
150	MediaType    *string `json:"media_type,omitempty"`
151	MediaSm3     *string `json:"media_sm3,omitempty"`
152	Key          *string `json:"key,omitempty"`
153	MediaId      *string `json:"media_id,omitempty"`
154}
155
156type GetMchMediaBusinessScene string
157
158func (e GetMchMediaBusinessScene) Ptr() *GetMchMediaBusinessScene {
159	return &e
160}
161
162const (
163	GETMCHMEDIABUSINESSSCENE_SJT_MICRO_PLUS_OPEN_ACCOUNT GetMchMediaBusinessScene = "SJT_MICRO_PLUS_OPEN_ACCOUNT"
164	GETMCHMEDIABUSINESSSCENE_SJT_MICRO_PLUS_UPDATE_INFO  GetMchMediaBusinessScene = "SJT_MICRO_PLUS_UPDATE_INFO"
165	GETMCHMEDIABUSINESSSCENE_GET_BY_MEDIA_ID             GetMchMediaBusinessScene = "GET_BY_MEDIA_ID"
166)
167
168type MchMediaType string
169
170func (e MchMediaType) Ptr() *MchMediaType {
171	return &e
172}
173
174const (
175	MCHMEDIATYPE_ID_CARD_FRONT  MchMediaType = "ID_CARD_FRONT"
176	MCHMEDIATYPE_ID_CARD_BACK   MchMediaType = "ID_CARD_BACK"
177	MCHMEDIATYPE_STORE_FRONT    MchMediaType = "STORE_FRONT"
178	MCHMEDIATYPE_STORE_INTERIOR MchMediaType = "STORE_INTERIOR"
179)
180