冲红电子发票

1curl -X POST \
2  https://api.mch.weixin.qq.com/v3/new-tax-control-fapiao/fapiao-applications/4200000444201910177461284488/reverse \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" \
5  -H "Content-Type: application/json" \
6  -d '{
7    "sub_mchid" : "1900000109",
8    "reverse_reason" : "非数电模式：退款；数电模式：ISSUE_ERROR|SALES_RETURN|SERVICE_SUSPENSION|SALES_DISCOUNT",
9    "fapiao_information" : [
10      {
11        "fapiao_id" : "20200701123456",
12        "fapiao_number" : "12897794"
13      }
14    ]
15  }'
16

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 * 冲红电子发票
24 */
25public class ReverseFapiaoApplications {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "POST";
28  private static String PATH = "/v3/new-tax-control-fapiao/fapiao-applications/{fapiao_apply_id}/reverse";
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    ReverseFapiaoApplications client = new ReverseFapiaoApplications(
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    ReverseFapiaoApplicationsRequest request = new ReverseFapiaoApplicationsRequest();
41    request.fapiaoApplyId = "4200000444201910177461284488";
42    request.subMchid = "1900000109";
43    request.reverseReason = "非数电模式：退款；数电模式：ISSUE_ERROR|SALES_RETURN|SERVICE_SUSPENSION|SALES_DISCOUNT";
44    request.fapiaoInformation = new ArrayList<>();
45    {
46      ReverseFapiaoInfo fapiaoInformationItem = new ReverseFapiaoInfo();
47      fapiaoInformationItem.fapiaoId = "20200701123456";
48      fapiaoInformationItem.fapiaoNumber = "12897794";
49      request.fapiaoInformation.add(fapiaoInformationItem);
50    };
51    try {
52      client.run(request);
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 void run(ReverseFapiaoApplicationsRequest request) {
60    String uri = PATH;
61    uri = uri.replace("{fapiao_apply_id}", WXPayUtility.urlEncode(request.fapiaoApplyId));
62    String reqBody = WXPayUtility.toJson(request);
63
64    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
65    reqBuilder.addHeader("Accept", "application/json");
66    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
67    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo,privateKey, METHOD, uri, reqBody));
68    reqBuilder.addHeader("Content-Type", "application/json");
69    RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), reqBody);
70    reqBuilder.method(METHOD, requestBody);
71    Request httpRequest = reqBuilder.build();
72
73    // 发送HTTP请求
74    OkHttpClient client = new OkHttpClient.Builder().build();
75    try (Response httpResponse = client.newCall(httpRequest).execute()) {
76      String respBody = WXPayUtility.extractBody(httpResponse);
77      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
78        // 2XX 成功，验证应答签名
79        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
80            httpResponse.headers(), respBody);
81
82        return;
83      } else {
84        throw new WXPayUtility.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 mchid;
92  private final String certificateSerialNo;
93  private final PrivateKey privateKey;
94  private final String wechatPayPublicKeyId;
95  private final PublicKey wechatPayPublicKey;
96
97  public ReverseFapiaoApplications(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
98    this.mchid = mchid;
99    this.certificateSerialNo = certificateSerialNo;
100    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
101    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
102    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
103  }
104
105  public static class ReverseFapiaoApplicationsRequest {
106    @SerializedName("sub_mchid")
107    public String subMchid;
108  
109    @SerializedName("fapiao_apply_id")
110    @Expose(serialize = false)
111    public String fapiaoApplyId;
112  
113    @SerializedName("reverse_reason")
114    public String reverseReason;
115  
116    @SerializedName("fapiao_information")
117    public List<ReverseFapiaoInfo> fapiaoInformation;
118  }
119  
120  public static class ReverseFapiaoInfo {
121    @SerializedName("fapiao_id")
122    public String fapiaoId;
123  
124    @SerializedName("fapiao_number")
125    public String fapiaoNumber;
126  }
127  
128}
129

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 := &ReverseFapiaoApplicationsRequest{
28		FapiaoApplyId: wxpay_utility.String("4200000444201910177461284488"),
29		SubMchid:      wxpay_utility.String("1900000109"),
30		ReverseReason: wxpay_utility.String("非数电模式：退款；数电模式：ISSUE_ERROR|SALES_RETURN|SERVICE_SUSPENSION|SALES_DISCOUNT"),
31		FapiaoInformation: []ReverseFapiaoInfo{ReverseFapiaoInfo{
32			FapiaoId:     wxpay_utility.String("20200701123456"),
33			FapiaoNumber: wxpay_utility.String("12897794"),
34		}},
35	}
36
37	err = ReverseFapiaoApplications(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.Println("请求成功")
46}
47
48func ReverseFapiaoApplications(config *wxpay_utility.MchConfig, request *ReverseFapiaoApplicationsRequest) (err error) {
49	const (
50		host   = "https://api.mch.weixin.qq.com"
51		method = "POST"
52		path   = "/v3/new-tax-control-fapiao/fapiao-applications/{fapiao_apply_id}/reverse"
53	)
54
55	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
56	if err != nil {
57		return err
58	}
59	reqUrl.Path = strings.Replace(reqUrl.Path, "{fapiao_apply_id}", url.PathEscape(*request.FapiaoApplyId), -1)
60	reqBody, err := json.Marshal(request)
61	if err != nil {
62		return err
63	}
64	httpRequest, err := http.NewRequest(method, reqUrl.String(), bytes.NewReader(reqBody))
65	if err != nil {
66		return err
67	}
68	httpRequest.Header.Set("Accept", "application/json")
69	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
70	httpRequest.Header.Set("Content-Type", "application/json")
71	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), reqBody)
72	if err != nil {
73		return err
74	}
75	httpRequest.Header.Set("Authorization", authorization)
76
77	client := &http.Client{}
78	httpResponse, err := client.Do(httpRequest)
79	if err != nil {
80		return err
81	}
82	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
83	if err != nil {
84		return err
85	}
86	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
87		// 2XX 成功，验证应答签名
88		err = wxpay_utility.ValidateResponse(
89			config.WechatPayPublicKeyId(),
90			config.WechatPayPublicKey(),
91			&httpResponse.Header,
92			respBody,
93		)
94		if err != nil {
95			return err
96		}
97		return nil
98	} else {
99		return wxpay_utility.NewApiException(
100			httpResponse.StatusCode,
101			httpResponse.Header,
102			respBody,
103		)
104	}
105}
106
107type ReverseFapiaoApplicationsRequest struct {
108	SubMchid          *string             `json:"sub_mchid,omitempty"`
109	FapiaoApplyId     *string             `json:"fapiao_apply_id,omitempty"`
110	ReverseReason     *string             `json:"reverse_reason,omitempty"`
111	FapiaoInformation []ReverseFapiaoInfo `json:"fapiao_information,omitempty"`
112}
113
114func (o *ReverseFapiaoApplicationsRequest) MarshalJSON() ([]byte, error) {
115	type Alias ReverseFapiaoApplicationsRequest
116	a := &struct {
117		FapiaoApplyId *string `json:"fapiao_apply_id,omitempty"`
118		*Alias
119	}{
120		// 序列化时移除非 Body 字段
121		FapiaoApplyId: nil,
122		Alias:         (*Alias)(o),
123	}
124	return json.Marshal(a)
125}
126
127type ReverseFapiaoInfo struct {
128	FapiaoId     *string `json:"fapiao_id,omitempty"`
129	FapiaoNumber *string `json:"fapiao_number,omitempty"`
130}
131