申请预算出资的电子回单

1curl -X POST \
2  https://api.mch.weixin.qq.com/v3/fund-app/mch-transfer/partner/budget/F1752898344298958610/electronic-receipts \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" \
5  -H "Content-Type: application/json" \
6  -d '{
7    "start_date" : "2025-09-01",
8    "end_date" : "2025-09-30",
9    "sponsor_mchid" : "1900102208",
10    "receiver_mchid" : "1900102209"
11  }'
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 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 * 申请预算出资的电子回单
24 */
25public class ApplyElectronicReceipt {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "POST";
28  private static String PATH = "/v3/fund-app/mch-transfer/partner/budget/{out_budget_no}/electronic-receipts";
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/partner/4013080340
32    ApplyElectronicReceipt client = new ApplyElectronicReceipt(
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/partner/4013080340
34      "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
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/partner/4013038589
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    ApplyElectronicReceiptRequest request = new ApplyElectronicReceiptRequest();
41    request.outBudgetNo = "F1752898344298958610";
42    request.startDate = "2025-09-01";
43    request.endDate = "2025-09-30";
44    request.sponsorMchid = "1900102208";
45    request.receiverMchid = "1900102209";
46    try {
47      BudgetElectronicReceipt 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 BudgetElectronicReceipt run(ApplyElectronicReceiptRequest request) {
57    String uri = PATH;
58    uri = uri.replace("{out_budget_no}", WXPayUtility.urlEncode(request.outBudgetNo));
59    String reqBody = WXPayUtility.toJson(request);
60
61    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
62    reqBuilder.addHeader("Accept", "application/json");
63    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
64    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo,privateKey, METHOD, uri, reqBody));
65    reqBuilder.addHeader("Content-Type", "application/json");
66    RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), reqBody);
67    reqBuilder.method(METHOD, requestBody);
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, BudgetElectronicReceipt.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 ApplyElectronicReceipt(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 ApplyElectronicReceiptRequest {
104    @SerializedName("out_budget_no")
105    @Expose(serialize = false)
106    public String outBudgetNo;
107  
108    @SerializedName("start_date")
109    public String startDate;
110  
111    @SerializedName("end_date")
112    public String endDate;
113  
114    @SerializedName("sponsor_mchid")
115    public String sponsorMchid;
116  
117    @SerializedName("receiver_mchid")
118    public String receiverMchid;
119  }
120  
121  public static class BudgetElectronicReceipt {
122    @SerializedName("out_budget_no")
123    public String outBudgetNo;
124  
125    @SerializedName("start_date")
126    public String startDate;
127  
128    @SerializedName("end_date")
129    public String endDate;
130  
131    @SerializedName("sponsor_mchid")
132    public String sponsorMchid;
133  
134    @SerializedName("receiver_mchid")
135    public String receiverMchid;
136  
137    @SerializedName("receipt_state")
138    public ReceiptState receiptState;
139  
140    @SerializedName("accept_id")
141    public String acceptId;
142  
143    @SerializedName("hash_type")
144    public HashType hashType;
145  
146    @SerializedName("hash_value")
147    public String hashValue;
148  
149    @SerializedName("download_url")
150    public String downloadUrl;
151  }
152  
153  public enum ReceiptState {
154    @SerializedName("ACCEPTED")
155    ACCEPTED,
156    @SerializedName("FINISHED")
157    FINISHED
158  }
159  
160  public enum HashType {
161    @SerializedName("SHA256")
162    SHA256,
163    @SerializedName("SM3")
164    SM3
165  }
166  
167}
168

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	"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/v3/partner/4013080340
15	config, err := wxpay_utility.CreateMchConfig(
16		"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
17		"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
18		"/path/to/apiclient_key.pem", // 商户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/v3/partner/4013038589
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 := &ApplyElectronicReceiptRequest{
28		OutBudgetNo:   wxpay_utility.String("F1752898344298958610"),
29		StartDate:     wxpay_utility.String("2025-09-01"),
30		EndDate:       wxpay_utility.String("2025-09-30"),
31		SponsorMchid:  wxpay_utility.String("1900102208"),
32		ReceiverMchid: wxpay_utility.String("1900102209"),
33	}
34
35	response, err := ApplyElectronicReceipt(config, request)
36	if err != nil {
37		fmt.Printf("请求失败: %+v\n", err)
38		// TODO: 请求失败，根据状态码执行不同的处理
39		return
40	}
41
42	// TODO: 请求成功，继续业务逻辑
43	fmt.Printf("请求成功: %+v\n", response)
44}
45
46func ApplyElectronicReceipt(config *wxpay_utility.MchConfig, request *ApplyElectronicReceiptRequest) (response *BudgetElectronicReceipt, err error) {
47	const (
48		host   = "https://api.mch.weixin.qq.com"
49		method = "POST"
50		path   = "/v3/fund-app/mch-transfer/partner/budget/{out_budget_no}/electronic-receipts"
51	)
52
53	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
54	if err != nil {
55		return nil, err
56	}
57	reqUrl.Path = strings.Replace(reqUrl.Path, "{out_budget_no}", url.PathEscape(*request.OutBudgetNo), -1)
58	reqBody, err := json.Marshal(request)
59	if err != nil {
60		return nil, err
61	}
62	httpRequest, err := http.NewRequest(method, reqUrl.String(), bytes.NewReader(reqBody))
63	if err != nil {
64		return nil, err
65	}
66	httpRequest.Header.Set("Accept", "application/json")
67	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
68	httpRequest.Header.Set("Content-Type", "application/json")
69	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), reqBody)
70	if err != nil {
71		return nil, err
72	}
73	httpRequest.Header.Set("Authorization", authorization)
74
75	client := &http.Client{}
76	httpResponse, err := client.Do(httpRequest)
77	if err != nil {
78		return nil, err
79	}
80	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
81	if err != nil {
82		return nil, err
83	}
84	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
85		// 2XX 成功，验证应答签名
86		err = wxpay_utility.ValidateResponse(
87			config.WechatPayPublicKeyId(),
88			config.WechatPayPublicKey(),
89			&httpResponse.Header,
90			respBody,
91		)
92		if err != nil {
93			return nil, err
94		}
95		response := &BudgetElectronicReceipt{}
96		if err := json.Unmarshal(respBody, response); err != nil {
97			return nil, err
98		}
99
100		return response, nil
101	} else {
102		return nil, wxpay_utility.NewApiException(
103			httpResponse.StatusCode,
104			httpResponse.Header,
105			respBody,
106		)
107	}
108}
109
110type ApplyElectronicReceiptRequest struct {
111	OutBudgetNo   *string `json:"out_budget_no,omitempty"`
112	StartDate     *string `json:"start_date,omitempty"`
113	EndDate       *string `json:"end_date,omitempty"`
114	SponsorMchid  *string `json:"sponsor_mchid,omitempty"`
115	ReceiverMchid *string `json:"receiver_mchid,omitempty"`
116}
117
118func (o *ApplyElectronicReceiptRequest) MarshalJSON() ([]byte, error) {
119	type Alias ApplyElectronicReceiptRequest
120	a := &struct {
121		OutBudgetNo *string `json:"out_budget_no,omitempty"`
122		*Alias
123	}{
124		// 序列化时移除非 Body 字段
125		OutBudgetNo: nil,
126		Alias:       (*Alias)(o),
127	}
128	return json.Marshal(a)
129}
130
131type BudgetElectronicReceipt struct {
132	OutBudgetNo   *string       `json:"out_budget_no,omitempty"`
133	StartDate     *string       `json:"start_date,omitempty"`
134	EndDate       *string       `json:"end_date,omitempty"`
135	SponsorMchid  *string       `json:"sponsor_mchid,omitempty"`
136	ReceiverMchid *string       `json:"receiver_mchid,omitempty"`
137	ReceiptState  *ReceiptState `json:"receipt_state,omitempty"`
138	AcceptId      *string       `json:"accept_id,omitempty"`
139	HashType      *HashType     `json:"hash_type,omitempty"`
140	HashValue     *string       `json:"hash_value,omitempty"`
141	DownloadUrl   *string       `json:"download_url,omitempty"`
142}
143
144type ReceiptState string
145
146func (e ReceiptState) Ptr() *ReceiptState {
147	return &e
148}
149
150const (
151	RECEIPTSTATE_ACCEPTED ReceiptState = "ACCEPTED"
152	RECEIPTSTATE_FINISHED ReceiptState = "FINISHED"
153)
154
155type HashType string
156
157func (e HashType) Ptr() *HashType {
158	return &e
159}
160
161const (
162	HASHTYPE_SHA256 HashType = "SHA256"
163	HASHTYPE_SM3    HashType = "SM3"
164)
165