上传尽调资料文件

1curl -X POST \
2  https://api.mch.weixin.qq.com/v3/mch-operation-manage/enhanced-due-diligence/123000110_2_2190381dakdajois1283i12jo/upload \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" \
5  -H "Content-Type: multipart/form-data" \
6  -F due_diligence_file=@"/path/to/file" \
7  -F meta="{
8    "file_name" : "demo.jpg",
9    "file_digest" : "B94D27B9934D3E08A52E52D7DA7DABFAC484EFE37A5380EE9088F7ACE2EFCDE9",
10    "sub_mchid" : "1230001104",
11    "item_id" : 130013
12  }"

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 okhttp3.MultipartBody;
15import java.io.UncheckedIOException;
16import java.security.PrivateKey;
17import java.security.PublicKey;
18import java.util.ArrayList;
19import java.util.HashMap;
20import java.util.List;
21import java.util.Map;
22
23/**
24 * 上传尽调资料文件
25 */
26public class UploadEnhancedDueDiligenceFile {
27  private static String HOST = "https://api.mch.weixin.qq.com";
28  private static String METHOD = "POST";
29  private static String PATH = "/v3/mch-operation-manage/enhanced-due-diligence/{due_diligence_id}/upload";
30
31  public static void main(String[] args) {
32    // TODO: 请准备商户开发必要参数，参考：https://pay.weixin.qq.com/doc/v3/partner/4013080340
33    UploadEnhancedDueDiligenceFile client = new UploadEnhancedDueDiligenceFile(
34      "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
35      "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
36      "/path/to/apiclient_key.pem",     // 商户API证书私钥文件路径，本地文件路径
37      "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
38      "/path/to/wxp_pub.pem"           // 微信支付公钥文件路径，本地文件路径
39    );
40
41    UploadEnhancedDueDiligenceFileRequest request = new UploadEnhancedDueDiligenceFileRequest();
42    request.dueDiligenceId = "123000110_2_2190381dakdajois1283i12jo";
43    request.dueDiligenceFile = "dueDiligenceFile_bytes".getBytes();
44    request.meta = new DDFileMetaInfo();
45request.meta.fileName = "demo.jpg";
46request.meta.fileDigest = "B94D27B9934D3E08A52E52D7DA7DABFAC484EFE37A5380EE9088F7ACE2EFCDE9";
47request.meta.subMchid = "1230001104";
48request.meta.itemId = 130013L;
49    try {
50      UploadEnhancedDueDiligenceFileResponse response = client.run(request);
51        // TODO: 请求成功，继续业务逻辑
52        System.out.println(response);
53    } catch (WXPayUtility.ApiException e) {
54        // TODO: 请求失败，根据状态码执行不同的逻辑
55        e.printStackTrace();
56    }
57  }
58
59  public UploadEnhancedDueDiligenceFileResponse run(UploadEnhancedDueDiligenceFileRequest request) {
60    String uri = PATH;
61     // 构建multipart/form-data请求体
62     String metaJson = WXPayUtility.toJson(request.meta);
63     RequestBody metaPart = RequestBody.create(MediaType.parse("application/json"), metaJson);
64     //  todo: you_file_name替换为meta里面的文件名字段
65     String contentType = WXPayUtility.getContentTypeByFileName("your_file_name");
66     RequestBody filePart = RequestBody.create(MediaType.parse(contentType), request.file);
67     MultipartBody requestBody = new MultipartBody.Builder()
68             .setType(MultipartBody.FORM)
69             .addFormDataPart("meta", null, metaPart)
70             .addFormDataPart("file", "your_file_name", filePart)
71             .build();
72
73    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
74    reqBuilder.addHeader("Accept", "application/json");
75    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
76    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo, privateKey, METHOD, uri, metaJson));
77    reqBuilder.method(METHOD, requestBody);
78    Request httpRequest = reqBuilder.build();
79
80    // 发送HTTP请求
81    OkHttpClient client = new OkHttpClient.Builder().build();
82    try (Response httpResponse = client.newCall(httpRequest).execute()) {
83      String respBody = WXPayUtility.extractBody(httpResponse);
84      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
85        // 2XX 成功，验证应答签名
86        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
87            httpResponse.headers(), respBody);
88
89        // 从HTTP应答报文构建返回数据
90        return WXPayUtility.fromJson(respBody, UploadEnhancedDueDiligenceFileResponse.class);
91      } else {
92        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
93      }
94    } catch (IOException e) {
95      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
96    }
97  }
98
99  private final String mchid;
100  private final String certificateSerialNo;
101  private final PrivateKey privateKey;
102  private final String wechatPayPublicKeyId;
103  private final PublicKey wechatPayPublicKey;
104
105  public UploadEnhancedDueDiligenceFile(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
106    this.mchid = mchid;
107    this.certificateSerialNo = certificateSerialNo;
108    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
109    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
110    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
111  }
112
113  public static class UploadEnhancedDueDiligenceFileRequest {
114    @SerializedName("due_diligence_file")
115    public byte[] dueDiligenceFile;
116  
117    @SerializedName("meta")
118    public DDFileMetaInfo meta;
119  
120    @SerializedName("due_diligence_id")
121    @Expose(serialize = false)
122    public String dueDiligenceId;
123  }
124  
125  public static class UploadEnhancedDueDiligenceFileResponse {
126    @SerializedName("file_id")
127    public String fileId;
128  }
129  
130  public static class DDFileMetaInfo {
131    @SerializedName("file_name")
132    public String fileName;
133  
134    @SerializedName("file_digest")
135    public String fileDigest;
136  
137    @SerializedName("sub_mchid")
138    public String subMchid;
139  
140    @SerializedName("item_id")
141    public Long itemId;
142  }
143  
144}
145

1package main
2
3import (
4	"bytes"
5	"demo/wxpay_utility" // 引用微信支付工具库，参考 https://pay.weixin.qq.com/doc/v3/partner/4015119446
6	"encoding/json"
7	"fmt"
8	"mime"
9	"mime/multipart"
10	"net/http"
11	"net/textproto"
12	"net/url"
13	"path/filepath"
14	"strings"
15)
16
17func main() {
18	// TODO: 请准备商户开发必要参数，参考：https://pay.weixin.qq.com/doc/v3/partner/4013080340
19	config, err := wxpay_utility.CreateMchConfig(
20		"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
21		"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
22		"/path/to/apiclient_key.pem", // 商户API证书私钥文件路径，本地文件路径
23		"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
24		"/path/to/wxp_pub.pem",       // 微信支付公钥文件路径，本地文件路径
25	)
26	if err != nil {
27		fmt.Println(err)
28		return
29	}
30
31	request := &UploadEnhancedDueDiligenceFileRequest{
32		DueDiligenceFile: wxpay_utility.Bytes([]byte("file data")),
33		Meta: &DdFileMetaInfo{
34			FileName:   wxpay_utility.String("demo.jpg"),
35			FileDigest: wxpay_utility.String("B94D27B9934D3E08A52E52D7DA7DABFAC484EFE37A5380EE9088F7ACE2EFCDE9"),
36			SubMchid:   wxpay_utility.String("1230001104"),
37			ItemId:     wxpay_utility.Int64(130013),
38		},
39		DueDiligenceId: wxpay_utility.String("123000110_2_2190381dakdajois1283i12jo"),
40	}
41
42	response, err := UploadEnhancedDueDiligenceFile(config, request)
43	if err != nil {
44		fmt.Printf("请求失败: %+v\n", err)
45		// TODO: 请求失败，根据状态码执行不同的处理
46		return
47	}
48
49	// TODO: 请求成功，继续业务逻辑
50	fmt.Printf("请求成功: %+v\n", response)
51}
52
53func UploadEnhancedDueDiligenceFile(config *wxpay_utility.MchConfig, request *UploadEnhancedDueDiligenceFileRequest) (response *UploadEnhancedDueDiligenceFileResponse, err error) {
54	const (
55		host   = "https://api.mch.weixin.qq.com"
56		method = "POST"
57		path   = "/v3/mch-operation-manage/enhanced-due-diligence/{due_diligence_id}/upload"
58	)
59
60	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
61	if err != nil {
62		return nil, err
63	}
64	reqUrl.Path = strings.Replace(reqUrl.Path, "{due_diligence_id}", url.PathEscape(*request.DueDiligenceId), -1)
65	// 构造 multipart/form-data 请求体
66	body := &bytes.Buffer{}
67	writer := multipart.NewWriter(body)
68
69	// todo: your_file_name替换为meta里面的文件名字段
70	fileHeader := make(textproto.MIMEHeader)
71	fileHeader.Set("Content-Disposition", fmt.Sprintf(`form-data; name="file"; filename="%s"`, "your_file_name"))
72	ext := filepath.Ext("your_file_name")
73	contentType := mime.TypeByExtension(ext)
74	if contentType == "" {
75		contentType = "application/octet-stream"
76	}
77	fileHeader.Set("Content-Type", contentType)
78	fileWriter, err := writer.CreatePart(fileHeader)
79	if err != nil {
80		return nil, err
81	}
82	_, err = fileWriter.Write(*request.File)
83	if err != nil {
84		return nil, err
85	}
86
87	// meta 字段
88	metaJSON, err := json.Marshal(request.Meta)
89	if err != nil {
90		return nil, err
91	}
92	metaWriter, err := writer.CreateFormField("meta")
93	if err != nil {
94		return nil, err
95	}
96	_, err = metaWriter.Write(metaJSON)
97	if err != nil {
98		return nil, err
99	}
100
101	err = writer.Close()
102	if err != nil {
103		return nil, err
104	}
105	httpRequest, err := http.NewRequest(method, reqUrl.String(), body)
106	if err != nil {
107		return nil, err
108	}
109	httpRequest.Header.Set("Accept", "application/json")
110	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
111	httpRequest.Header.Set("Content-Type", writer.FormDataContentType())
112	// 签名时使用 meta JSON
113	metaJson, err := json.Marshal(request.Meta)
114	if err != nil {
115		return nil, err
116	}
117	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), metaJson)
118	if err != nil {
119		return nil, err
120	}
121	httpRequest.Header.Set("Authorization", authorization)
122
123	client := &http.Client{}
124	httpResponse, err := client.Do(httpRequest)
125	if err != nil {
126		return nil, err
127	}
128	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
129	if err != nil {
130		return nil, err
131	}
132	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
133		// 2XX 成功，验证应答签名
134		err = wxpay_utility.ValidateResponse(
135			config.WechatPayPublicKeyId(),
136			config.WechatPayPublicKey(),
137			&httpResponse.Header,
138			respBody,
139		)
140		if err != nil {
141			return nil, err
142		}
143		response := &UploadEnhancedDueDiligenceFileResponse{}
144		if err := json.Unmarshal(respBody, response); err != nil {
145			return nil, err
146		}
147
148		return response, nil
149	} else {
150		return nil, wxpay_utility.NewApiException(
151			httpResponse.StatusCode,
152			httpResponse.Header,
153			respBody,
154		)
155	}
156}
157
158type UploadEnhancedDueDiligenceFileRequest struct {
159	DueDiligenceFile *[]byte         `json:"due_diligence_file,omitempty"`
160	Meta             *DdFileMetaInfo `json:"meta,omitempty"`
161	DueDiligenceId   *string         `json:"due_diligence_id,omitempty"`
162}
163
164func (o *UploadEnhancedDueDiligenceFileRequest) MarshalJSON() ([]byte, error) {
165	type Alias UploadEnhancedDueDiligenceFileRequest
166	a := &struct {
167		DueDiligenceId *string `json:"due_diligence_id,omitempty"`
168		*Alias
169	}{
170		// 序列化时移除非 Body 字段
171		DueDiligenceId: nil,
172		Alias:          (*Alias)(o),
173	}
174	return json.Marshal(a)
175}
176
177type UploadEnhancedDueDiligenceFileResponse struct {
178	FileId *string `json:"file_id,omitempty"`
179}
180
181type DdFileMetaInfo struct {
182	FileName   *string `json:"file_name,omitempty"`
183	FileDigest *string `json:"file_digest,omitempty"`
184	SubMchid   *string `json:"sub_mchid,omitempty"`
185	ItemId     *int64  `json:"item_id,omitempty"`
186}
187