商户单号查询公益捐赠详情

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 * 商户单号查询公益捐赠详情
24 */
25public class GetByOutNo4Charity {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "GET";
28  private static String PATH = "/v3/fund-app/mch-transfer/partner/charity-transfer-bills/out-transfer-no/{out_transfer_no}";
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    GetByOutNo4Charity client = new GetByOutNo4Charity(
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    GetByOutNo4CharityRequest request = new GetByOutNo4CharityRequest();
41    request.outTransferNo = "trans202506300102";
42    request.sponsorMchid = "1900001109";
43    request.outBudgetNo = "budget202506030102";
44    try {
45      TransferCharityBillEntity response = client.run(request);
46
47      // TODO: 请求成功，继续业务逻辑
48      System.out.println(response);
49    } catch (WXPayUtility.ApiException e) {
50      // TODO: 请求失败，根据状态码执行不同的逻辑
51      e.printStackTrace();
52    }
53  }
54
55  public TransferCharityBillEntity run(GetByOutNo4CharityRequest request) {
56    String uri = PATH;
57    uri = uri.replace("{out_transfer_no}", WXPayUtility.urlEncode(request.outTransferNo));
58    Map<String, Object> args = new HashMap<>();
59    args.put("sponsor_mchid", request.sponsorMchid);
60    args.put("out_budget_no", request.outBudgetNo);
61    uri = uri + "?" + WXPayUtility.urlEncode(args);
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", WXPayUtility.buildAuthorization(mchid, certificateSerialNo, privateKey, METHOD, uri, null));
67    reqBuilder.method(METHOD, null);
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, TransferCharityBillEntity.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 GetByOutNo4Charity(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 GetByOutNo4CharityRequest {
104    @SerializedName("sponsor_mchid")
105    @Expose(serialize = false)
106    public String sponsorMchid;
107  
108    @SerializedName("out_budget_no")
109    @Expose(serialize = false)
110    public String outBudgetNo;
111  
112    @SerializedName("out_transfer_no")
113    @Expose(serialize = false)
114    public String outTransferNo;
115  }
116  
117  public static class TransferCharityBillEntity {
118    @SerializedName("out_budget_no")
119    public String outBudgetNo;
120  
121    @SerializedName("budget_id")
122    public String budgetId;
123  
124    @SerializedName("out_transfer_no")
125    public String outTransferNo;
126  
127    @SerializedName("transfer_id")
128    public String transferId;
129  
130    @SerializedName("amount")
131    public Long amount;
132  
133    @SerializedName("transfer_remark")
134    public String transferRemark;
135  
136    @SerializedName("receive_mchid")
137    public String receiveMchid;
138  
139    @SerializedName("state")
140    public TransferBillStatus state;
141  
142    @SerializedName("create_time")
143    public String createTime;
144  
145    @SerializedName("success_time")
146    public String successTime;
147  }
148  
149  public enum TransferBillStatus {
150    @SerializedName("ACCEPTED")
151    ACCEPTED,
152    @SerializedName("SUCCESS")
153    SUCCESS,
154    @SerializedName("CLOSE")
155    CLOSE
156  }
157  
158}
159

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/partner/4015119446
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/v3/partner/4013080340
14	config, err := wxpay_utility.CreateMchConfig(
15		"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
16		"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
17		"/path/to/apiclient_key.pem", // 商户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/v3/partner/4013038589
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 := &GetByOutNo4CharityRequest{
27		SponsorMchid:  wxpay_utility.String("1900001109"),
28		OutBudgetNo:   wxpay_utility.String("budget202506030102"),
29		OutTransferNo: wxpay_utility.String("trans202506300102"),
30	}
31
32	response, err := GetByOutNo4Charity(config, request)
33	if err != nil {
34		fmt.Printf("请求失败: %+v\n", err)
35		// TODO: 请求失败，根据状态码执行不同的处理
36		return
37	}
38
39	// TODO: 请求成功，继续业务逻辑
40	fmt.Printf("请求成功: %+v\n", response)
41}
42
43func GetByOutNo4Charity(config *wxpay_utility.MchConfig, request *GetByOutNo4CharityRequest) (response *TransferCharityBillEntity, err error) {
44	const (
45		host   = "https://api.mch.weixin.qq.com"
46		method = "GET"
47		path   = "/v3/fund-app/mch-transfer/partner/charity-transfer-bills/out-transfer-no/{out_transfer_no}"
48	)
49
50	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
51	if err != nil {
52		return nil, err
53	}
54	reqUrl.Path = strings.Replace(reqUrl.Path, "{out_transfer_no}", url.PathEscape(*request.OutTransferNo), -1)
55	query := reqUrl.Query()
56	query.Add("sponsor_mchid", *request.SponsorMchid)
57	query.Add("out_budget_no", *request.OutBudgetNo)
58	reqUrl.RawQuery = query.Encode()
59	httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
60	if err != nil {
61		return nil, err
62	}
63	httpRequest.Header.Set("Accept", "application/json")
64	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
65	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
66	if err != nil {
67		return nil, err
68	}
69	httpRequest.Header.Set("Authorization", authorization)
70
71	client := &http.Client{}
72	httpResponse, err := client.Do(httpRequest)
73	if err != nil {
74		return nil, err
75	}
76
77	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
78	if err != nil {
79		return nil, err
80	}
81
82	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
83		// 2XX 成功，验证应答签名
84		err = wxpay_utility.ValidateResponse(
85			config.WechatPayPublicKeyId(),
86			config.WechatPayPublicKey(),
87			&httpResponse.Header,
88			respBody,
89		)
90		if err != nil {
91			return nil, err
92		}
93
94		if err := json.Unmarshal(respBody, response); err != nil {
95			return nil, err
96		}
97
98		return response, nil
99	} else {
100		return nil, wxpay_utility.NewApiException(
101			httpResponse.StatusCode,
102			httpResponse.Header,
103			respBody,
104		)
105	}
106}
107
108type GetByOutNo4CharityRequest struct {
109	SponsorMchid  *string `json:"sponsor_mchid,omitempty"`
110	OutBudgetNo   *string `json:"out_budget_no,omitempty"`
111	OutTransferNo *string `json:"out_transfer_no,omitempty"`
112}
113
114func (o *GetByOutNo4CharityRequest) MarshalJSON() ([]byte, error) {
115	type Alias GetByOutNo4CharityRequest
116	a := &struct {
117		SponsorMchid  *string `json:"sponsor_mchid,omitempty"`
118		OutBudgetNo   *string `json:"out_budget_no,omitempty"`
119		OutTransferNo *string `json:"out_transfer_no,omitempty"`
120		*Alias
121	}{
122		// 序列化时移除非 Body 字段
123		SponsorMchid:  nil,
124		OutBudgetNo:   nil,
125		OutTransferNo: nil,
126		Alias:         (*Alias)(o),
127	}
128	return json.Marshal(a)
129}
130
131type TransferCharityBillEntity struct {
132	OutBudgetNo    *string             `json:"out_budget_no,omitempty"`
133	BudgetId       *string             `json:"budget_id,omitempty"`
134	OutTransferNo  *string             `json:"out_transfer_no,omitempty"`
135	TransferId     *string             `json:"transfer_id,omitempty"`
136	Amount         *int64              `json:"amount,omitempty"`
137	TransferRemark *string             `json:"transfer_remark,omitempty"`
138	ReceiveMchid   *string             `json:"receive_mchid,omitempty"`
139	State          *TransferBillStatus `json:"state,omitempty"`
140	CreateTime     *string             `json:"create_time,omitempty"`
141	SuccessTime    *string             `json:"success_time,omitempty"`
142}
143
144type TransferBillStatus string
145
146func (e TransferBillStatus) Ptr() *TransferBillStatus {
147	return &e
148}
149
150const (
151	TRANSFERBILLSTATUS_ACCEPTED TransferBillStatus = "ACCEPTED"
152	TRANSFERBILLSTATUS_SUCCESS  TransferBillStatus = "SUCCESS"
153	TRANSFERBILLSTATUS_CLOSE    TransferBillStatus = "CLOSE"
154)
155

1curl -X GET \
2  https://api.mch.weixin.qq.com/v3/fund-app/mch-transfer/partner/charity-transfer-bills/out-transfer-no/trans202506300102?sponsor_mchid=1900001109&out_budget_no=budget202506030102 \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" 
5