上传文件分块

1curl -X PUT \
2  https://api.mch.weixin.qq.com/brand/marketing/user-package/uploads/17587186700323d11ac17d8d3d4c8c4e5a250c3e804977e89af6a05ffa93751d0ec0179ca8/1 \
3  -H "Authorization: WECHATPAY-BRAND-SHA256-RSA2048 brand_id=\"XXXX\",..." \
4  -H "Accept: application/json" \
5  -H "Wechatpay-Serial: PUB_KEY_ID_XXXX"  \
6  -H "Content-Type: application/json" \
7  -d '{
8    "file" : "example_file",
9    "file_meta" : {
10      "filename" : "1_active_user.csv",
11      "digest" : "addca90a6a290b9642dbaccffdf01e8c22aa348940b2e96754169ba08c19e5db"
12    }
13  }'
14

1package com.java.demo;
2
3import com.java.utils.WXPayBrandUtility; // 引用微信支付工具库，参考：https://pay.weixin.qq.com/doc/brand/4015826861
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 * 上传文件分块
24 */
25public class UploadPart {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "PUT";
28  private static String PATH = "/brand/marketing/user-package/uploads/{upload_id}/{part_number}";
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/brand/4015415289
32    UploadPart client = new UploadPart(
33      "xxxxxxxx",                    // 品牌ID，是由微信支付系统生成并分配给每个品牌方的唯一标识符，品牌ID获取方式参考 https://pay.weixin.qq.com/doc/brand/4015415289
34      "1DDE55AD98Exxxxxxxxxx",         // 品牌API证书序列号，如何获取请参考 https://pay.weixin.qq.com/doc/brand/4015407570
35      "/path/to/apiclient_key.pem",     // 品牌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/brand/4015453439
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    UploadPartRequest request = new UploadPartRequest();
41    request.uploadId = "17587186700323d11ac17d8d3d4c8c4e5a250c3e804977e89af6a05ffa93751d0ec0179ca8";
42    request.partNumber = 1L;
43    request.file = "file_bytes".getBytes();
44    request.fileMeta = new FileMeta();
45    request.fileMeta.filename = "1_active_user.csv";
46    request.fileMeta.digest = "addca90a6a290b9642dbaccffdf01e8c22aa348940b2e96754169ba08c19e5db";
47    try {
48      UploadPartResponse response = client.run(request);
49        // TODO: 请求成功，继续业务逻辑
50        System.out.println(response);
51    } catch (WXPayBrandUtility.ApiException e) {
52        // TODO: 请求失败，根据状态码执行不同的逻辑
53        e.printStackTrace();
54    }
55  }
56
57  public UploadPartResponse run(UploadPartRequest request) {
58    String uri = PATH;
59    uri = uri.replace("{upload_id}", WXPayBrandUtility.urlEncode(request.uploadId));
60    uri = uri.replace("{part_number}", WXPayBrandUtility.urlEncode(request.partNumber.toString()));
61    String reqBody = WXPayBrandUtility.toJson(request);
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", WXPayBrandUtility.buildAuthorization(brand_id, certificateSerialNo,privateKey, METHOD, uri, reqBody));
67    reqBuilder.addHeader("Content-Type", "application/json");
68    RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), reqBody);
69    reqBuilder.method(METHOD, requestBody);
70    Request httpRequest = reqBuilder.build();
71
72    // 发送HTTP请求
73    OkHttpClient client = new OkHttpClient.Builder().build();
74    try (Response httpResponse = client.newCall(httpRequest).execute()) {
75      String respBody = WXPayBrandUtility.extractBody(httpResponse);
76      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
77        // 2XX 成功，验证应答签名
78        WXPayBrandUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
79            httpResponse.headers(), respBody);
80
81        // 从HTTP应答报文构建返回数据
82        return WXPayBrandUtility.fromJson(respBody, UploadPartResponse.class);
83      } else {
84        throw new WXPayBrandUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
85      }
86    } catch (IOException e) {
87      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
88    }
89  }
90
91  private final String brand_id;
92  private final String certificateSerialNo;
93  private final PrivateKey privateKey;
94  private final String wechatPayPublicKeyId;
95  private final PublicKey wechatPayPublicKey;
96
97  public UploadPart(String brand_id, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
98    this.brand_id = brand_id;
99    this.certificateSerialNo = certificateSerialNo;
100    this.privateKey = WXPayBrandUtility.loadPrivateKeyFromPath(privateKeyFilePath);
101    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
102    this.wechatPayPublicKey = WXPayBrandUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
103  }
104
105  public static class UploadPartRequest {
106    @SerializedName("upload_id")
107    @Expose(serialize = false)
108    public String uploadId;
109  
110    @SerializedName("part_number")
111    @Expose(serialize = false)
112    public Long partNumber;
113  
114    @SerializedName("file")
115    public byte[] file;
116  
117    @SerializedName("file_meta")
118    public FileMeta fileMeta;
119  }
120  
121  public static class UploadPartResponse {
122    @SerializedName("return_message")
123    public String returnMessage;
124  
125    @SerializedName("part_number")
126    public Long partNumber;
127  }
128  
129  public static class FileMeta {
130    @SerializedName("filename")
131    public String filename;
132  
133    @SerializedName("digest")
134    public String digest;
135  }
136  
137}
138

1package main
2
3import (
4	"bytes"
5	"demo/wxpay_brand_utility" // 引用微信支付工具库，参考 https://pay.weixin.qq.com/doc/brand/4015826866
6	"encoding/json"
7	"fmt"
8	"net/http"
9	"net/url"
10	"strings"
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/brand/4015415289
15	config, err := wxpay_brand_utility.CreateBrandConfig(
16		"xxxxxxxx",                   // 品牌ID，是由微信支付系统生成并分配给每个品牌方的唯一标识符，品牌ID获取方式参考 https://pay.weixin.qq.com/doc/brand/4015415289
17		"1DDE55AD98Exxxxxxxxxx",      // 品牌API证书序列号，如何获取请参考 https://pay.weixin.qq.com/doc/brand/4015407570
18		"/path/to/apiclient_key.pem", // 品牌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/brand/4015453439
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 := &UploadPartRequest{
28		UploadId:   wxpay_brand_utility.String("17587186700323d11ac17d8d3d4c8c4e5a250c3e804977e89af6a05ffa93751d0ec0179ca8"),
29		PartNumber: wxpay_brand_utility.Int64(1),
30		File:       wxpay_brand_utility.Bytes([]byte("file data")),
31		FileMeta: &FileMeta{
32			Filename: wxpay_brand_utility.String("1_active_user.csv"),
33			Digest:   wxpay_brand_utility.String("addca90a6a290b9642dbaccffdf01e8c22aa348940b2e96754169ba08c19e5db"),
34		},
35	}
36
37	response, err := UploadPart(config, request)
38	if err != nil {
39		fmt.Printf("请求失败: %+v\n", err)
40		// TODO: 请求失败，根据状态码执行不同的处理
41		return
42	}
43
44	// TODO: 请求成功，继续业务逻辑
45	fmt.Printf("请求成功: %+v\n", response)
46}
47
48func UploadPart(config *wxpay_brand_utility.BrandConfig, request *UploadPartRequest) (response *UploadPartResponse, err error) {
49	const (
50		host   = "https://api.mch.weixin.qq.com"
51		method = "PUT"
52		path   = "/brand/marketing/user-package/uploads/{upload_id}/{part_number}"
53	)
54
55	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
56	if err != nil {
57		return nil, err
58	}
59	reqUrl.Path = strings.Replace(reqUrl.Path, "{upload_id}", url.PathEscape(*request.UploadId), -1)
60	reqUrl.Path = strings.Replace(reqUrl.Path, "{part_number}", url.PathEscape(fmt.Sprintf("%v", *request.PartNumber)), -1)
61	reqBody, err := json.Marshal(request)
62	if err != nil {
63		return nil, err
64	}
65	httpRequest, err := http.NewRequest(method, reqUrl.String(), bytes.NewReader(reqBody))
66	if err != nil {
67		return nil, err
68	}
69	httpRequest.Header.Set("Accept", "application/json")
70	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
71	httpRequest.Header.Set("Content-Type", "application/json")
72	authorization, err := wxpay_brand_utility.BuildAuthorization(config.BrandId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), reqBody)
73	if err != nil {
74		return nil, err
75	}
76	httpRequest.Header.Set("Authorization", authorization)
77
78	client := &http.Client{}
79	httpResponse, err := client.Do(httpRequest)
80	if err != nil {
81		return nil, err
82	}
83	respBody, err := wxpay_brand_utility.ExtractResponseBody(httpResponse)
84	if err != nil {
85		return nil, err
86	}
87	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
88		// 2XX 成功，验证应答签名
89		err = wxpay_brand_utility.ValidateResponse(
90			config.WechatPayPublicKeyId(),
91			config.WechatPayPublicKey(),
92			&httpResponse.Header,
93			respBody,
94		)
95		if err != nil {
96			return nil, err
97		}
98		response := &UploadPartResponse{}
99		if err := json.Unmarshal(respBody, response); err != nil {
100			return nil, err
101		}
102
103		return response, nil
104	} else {
105		return nil, wxpay_brand_utility.NewApiException(
106			httpResponse.StatusCode,
107			httpResponse.Header,
108			respBody,
109		)
110	}
111}
112
113type UploadPartRequest struct {
114	UploadId   *string   `json:"upload_id,omitempty"`
115	PartNumber *int64    `json:"part_number,omitempty"`
116	File       *[]byte   `json:"file,omitempty"`
117	FileMeta   *FileMeta `json:"file_meta,omitempty"`
118}
119
120func (o *UploadPartRequest) MarshalJSON() ([]byte, error) {
121	type Alias UploadPartRequest
122	a := &struct {
123		UploadId   *string `json:"upload_id,omitempty"`
124		PartNumber *int64  `json:"part_number,omitempty"`
125		*Alias
126	}{
127		// 序列化时移除非 Body 字段
128		UploadId:   nil,
129		PartNumber: nil,
130		Alias:      (*Alias)(o),
131	}
132	return json.Marshal(a)
133}
134
135type UploadPartResponse struct {
136	ReturnMessage *string `json:"return_message,omitempty"`
137	PartNumber    *int64  `json:"part_number,omitempty"`
138}
139
140type FileMeta struct {
141	Filename *string `json:"filename,omitempty"`
142	Digest   *string `json:"digest,omitempty"`
143}
144