文件分块合并

1curl -X POST \
2  https://api.mch.weixin.qq.com/brand/marketing/user-package/uploads/17587186700323d11ac17d8d3d4c8c4e5a250c3e804977e89af6a05ffa93751d0ec0179ca8 \
3  -H "Authorization: WECHATPAY-BRAND-SHA256-RSA2048 brand_id=\"XXXX\",..." \
4  -H "Accept: application/json" \
5  -H "Wechatpay-Serial: PUB_KEY_ID_XXXX"  
6

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 * 文件分块合并
24 */
25public class CompleteUpload {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "POST";
28  private static String PATH = "/brand/marketing/user-package/uploads/{upload_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/brand/4015415289
32    CompleteUpload client = new CompleteUpload(
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    CompleteUploadRequest request = new CompleteUploadRequest();
41    request.uploadId = "17587186700323d11ac17d8d3d4c8c4e5a250c3e804977e89af6a05ffa93751d0ec0179ca8";
42    try {
43      CompleteUploadResponse response = client.run(request);
44        // TODO: 请求成功，继续业务逻辑
45        System.out.println(response);
46    } catch (WXPayBrandUtility.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 CompleteUploadResponse run(CompleteUploadRequest request) {
53    String uri = PATH;
54    uri = uri.replace("{upload_id}", WXPayBrandUtility.urlEncode(request.uploadId));
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", WXPayBrandUtility.buildAuthorization(brand_id, certificateSerialNo, privateKey, METHOD, uri, null));
60    reqBuilder.addHeader("Content-Type", "application/json");
61    RequestBody emptyBody = RequestBody.create(null, "");
62    reqBuilder.method(METHOD, emptyBody);
63    Request httpRequest = reqBuilder.build();
64
65    // 发送HTTP请求
66    OkHttpClient client = new OkHttpClient.Builder().build();
67    try (Response httpResponse = client.newCall(httpRequest).execute()) {
68      String respBody = WXPayBrandUtility.extractBody(httpResponse);
69      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
70        // 2XX 成功，验证应答签名
71        WXPayBrandUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
72            httpResponse.headers(), respBody);
73
74        // 从HTTP应答报文构建返回数据
75        return WXPayBrandUtility.fromJson(respBody, CompleteUploadResponse.class);
76      } else {
77        throw new WXPayBrandUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
78      }
79    } catch (IOException e) {
80      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
81    }
82  }
83
84  private final String brand_id;
85  private final String certificateSerialNo;
86  private final PrivateKey privateKey;
87  private final String wechatPayPublicKeyId;
88  private final PublicKey wechatPayPublicKey;
89
90  public CompleteUpload(String brand_id, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
91    this.brand_id = brand_id;
92    this.certificateSerialNo = certificateSerialNo;
93    this.privateKey = WXPayBrandUtility.loadPrivateKeyFromPath(privateKeyFilePath);
94    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
95    this.wechatPayPublicKey = WXPayBrandUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
96  }
97
98  public static class CompleteUploadRequest {
99    @SerializedName("upload_id")
100    @Expose(serialize = false)
101    public String uploadId;
102  }
103  
104  public static class CompleteUploadResponse {
105    @SerializedName("return_message")
106    public String returnMessage;
107  
108    @SerializedName("upload_id")
109    public String uploadId;
110  }
111  
112}
113

1package main
2
3import (
4	"demo/wxpay_brand_utility" // 引用微信支付工具库，参考 https://pay.weixin.qq.com/doc/brand/4015826866
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/brand/4015415289
14	config, err := wxpay_brand_utility.CreateBrandConfig(
15		"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
16		"1DDE55AD98Exxxxxxxxxx",      // 品牌API证书序列号，如何获取请参考 https://pay.weixin.qq.com/doc/brand/4015407570
17		"/path/to/apiclient_key.pem", // 品牌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/brand/4015453439
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 := &CompleteUploadRequest{
27		UploadId: wxpay_brand_utility.String("17587186700323d11ac17d8d3d4c8c4e5a250c3e804977e89af6a05ffa93751d0ec0179ca8"),
28	}
29
30	response, err := CompleteUpload(config, request)
31	if err != nil {
32		fmt.Printf("请求失败: %+v\n", err)
33		// TODO: 请求失败，根据状态码执行不同的处理
34		return
35	}
36
37	// TODO: 请求成功，继续业务逻辑
38	fmt.Printf("请求成功: %+v\n", response)
39}
40
41func CompleteUpload(config *wxpay_brand_utility.BrandConfig, request *CompleteUploadRequest) (response *CompleteUploadResponse, err error) {
42	const (
43		host   = "https://api.mch.weixin.qq.com"
44		method = "POST"
45		path   = "/brand/marketing/user-package/uploads/{upload_id}"
46	)
47
48	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
49	if err != nil {
50		return nil, err
51	}
52	reqUrl.Path = strings.Replace(reqUrl.Path, "{upload_id}", url.PathEscape(*request.UploadId), -1)
53	httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
54	if err != nil {
55		return nil, err
56	}
57	httpRequest.Header.Set("Accept", "application/json")
58	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
59	httpRequest.Header.Set("Content-Type", "application/json")
60	authorization, err := wxpay_brand_utility.BuildAuthorization(config.BrandId(), 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_brand_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_brand_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 := &CompleteUploadResponse{}
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_brand_utility.NewApiException(
94			httpResponse.StatusCode,
95			httpResponse.Header,
96			respBody,
97		)
98	}
99}
100
101type CompleteUploadRequest struct {
102	UploadId *string `json:"upload_id,omitempty"`
103}
104
105func (o *CompleteUploadRequest) MarshalJSON() ([]byte, error) {
106	type Alias CompleteUploadRequest
107	a := &struct {
108		UploadId *string `json:"upload_id,omitempty"`
109		*Alias
110	}{
111		// 序列化时移除非 Body 字段
112		UploadId: nil,
113		Alias:    (*Alias)(o),
114	}
115	return json.Marshal(a)
116}
117
118type CompleteUploadResponse struct {
119	ReturnMessage *string `json:"return_message,omitempty"`
120	UploadId      *string `json:"upload_id,omitempty"`
121}
122