获取用户填写抬头信息

1curl -X GET \
2  https://api.mch.weixin.qq.com/v3/new-tax-control-fapiao/user-title?sub_mchid=1900000109&scene=WITH_WECHATPAY&fapiao_apply_id=4200000444201910177461284488 \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" 
5

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 * 获取用户填写抬头信息
24 */
25public class GetUserTitle {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "GET";
28  private static String PATH = "/v3/new-tax-control-fapiao/user-title";
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    GetUserTitle client = new GetUserTitle(
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    GetUserTitleRequest request = new GetUserTitleRequest();
41    request.subMchid = "1900000109";
42    request.scene = Scene.WITH_WECHATPAY;
43    request.fapiaoApplyId = "4200000444201910177461284488";
44    try {
45      UserTitleEntity response = client.run(request);
46        // TODO: 请求成功，继续业务逻辑
47        System.out.println(response);
48    } catch (WXPayUtility.ApiException e) {
49        // TODO: 请求失败，根据状态码执行不同的逻辑
50        e.printStackTrace();
51    }
52  }
53
54  public UserTitleEntity run(GetUserTitleRequest request) {
55    String uri = PATH;
56    Map<String, Object> args = new HashMap<>();
57    args.put("sub_mchid", request.subMchid);
58    args.put("scene", request.scene);
59    args.put("fapiao_apply_id", request.fapiaoApplyId);
60    String queryString = WXPayUtility.urlEncode(args);
61    if (!queryString.isEmpty()) {
62        uri = uri + "?" + queryString;
63    }
64
65    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
66    reqBuilder.addHeader("Accept", "application/json");
67    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
68    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo, privateKey, METHOD, uri, null));
69    reqBuilder.method(METHOD, null);
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 = WXPayUtility.extractBody(httpResponse);
76      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
77        // 2XX 成功，验证应答签名
78        WXPayUtility.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 WXPayUtility.fromJson(respBody, UserTitleEntity.class);
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 GetUserTitle(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 GetUserTitleRequest {
106    @SerializedName("sub_mchid")
107    @Expose(serialize = false)
108    public String subMchid;
109  
110    @SerializedName("fapiao_apply_id")
111    @Expose(serialize = false)
112    public String fapiaoApplyId;
113  
114    @SerializedName("scene")
115    @Expose(serialize = false)
116    public Scene scene;
117  }
118  
119  public static class UserTitleEntity {
120    @SerializedName("type")
121    public BuyerType type;
122  
123    @SerializedName("name")
124    public String name;
125  
126    @SerializedName("taxpayer_id")
127    public String taxpayerId;
128  
129    @SerializedName("address")
130    public String address;
131  
132    @SerializedName("telephone")
133    public String telephone;
134  
135    @SerializedName("bank_name")
136    public String bankName;
137  
138    @SerializedName("bank_account")
139    public String bankAccount;
140  
141    @SerializedName("phone")
142    public String phone;
143  
144    @SerializedName("email")
145    public String email;
146  
147    @SerializedName("amount")
148    public Long amount;
149  
150    @SerializedName("out_trade_no")
151    public String outTradeNo;
152  
153    @SerializedName("fapiao_bill_type")
154    public FapiaoBillType fapiaoBillType;
155  
156    @SerializedName("user_apply_message")
157    public String userApplyMessage;
158  }
159  
160  public enum Scene {
161    @SerializedName("WITH_WECHATPAY")
162    WITH_WECHATPAY,
163    @SerializedName("WITHOUT_WECHATPAY")
164    WITHOUT_WECHATPAY
165  }
166  
167  public enum BuyerType {
168    @SerializedName("INDIVIDUAL")
169    INDIVIDUAL,
170    @SerializedName("ORGANIZATION")
171    ORGANIZATION
172  }
173  
174  public enum FapiaoBillType {
175    @SerializedName("COMM_FAPIAO")
176    COMM_FAPIAO,
177    @SerializedName("VAT_FAPIAO")
178    VAT_FAPIAO
179  }
180  
181}
182

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)
10
11func main() {
12	// TODO: 请准备商户开发必要参数，参考：https://pay.weixin.qq.com/doc/v3/partner/4013080340
13	config, err := wxpay_utility.CreateMchConfig(
14		"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
15		"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
16		"/path/to/apiclient_key.pem", // 商户API证书私钥文件路径，本地文件路径
17		"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
18		"/path/to/wxp_pub.pem",       // 微信支付公钥文件路径，本地文件路径
19	)
20	if err != nil {
21		fmt.Println(err)
22		return
23	}
24
25	request := &GetUserTitleRequest{
26		SubMchid:      wxpay_utility.String("1900000109"),
27		Scene:         SCENE_WITH_WECHATPAY.Ptr(),
28		FapiaoApplyId: wxpay_utility.String("4200000444201910177461284488"),
29	}
30
31	response, err := GetUserTitle(config, request)
32	if err != nil {
33		fmt.Printf("请求失败: %+v\n", err)
34		// TODO: 请求失败，根据状态码执行不同的处理
35		return
36	}
37
38	// TODO: 请求成功，继续业务逻辑
39	fmt.Printf("请求成功: %+v\n", response)
40}
41
42func GetUserTitle(config *wxpay_utility.MchConfig, request *GetUserTitleRequest) (response *UserTitleEntity, err error) {
43	const (
44		host   = "https://api.mch.weixin.qq.com"
45		method = "GET"
46		path   = "/v3/new-tax-control-fapiao/user-title"
47	)
48
49	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
50	if err != nil {
51		return nil, err
52	}
53	query := reqUrl.Query()
54	if request.SubMchid != nil {
55		query.Add("sub_mchid", *request.SubMchid)
56	}
57	if request.Scene != nil {
58		query.Add("scene", fmt.Sprintf("%v", *request.Scene))
59	}
60	if request.FapiaoApplyId != nil {
61		query.Add("fapiao_apply_id", *request.FapiaoApplyId)
62	}
63	reqUrl.RawQuery = query.Encode()
64	httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
65	if err != nil {
66		return nil, err
67	}
68	httpRequest.Header.Set("Accept", "application/json")
69	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
70	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
71	if err != nil {
72		return nil, err
73	}
74	httpRequest.Header.Set("Authorization", authorization)
75
76	client := &http.Client{}
77	httpResponse, err := client.Do(httpRequest)
78	if err != nil {
79		return nil, err
80	}
81	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
82	if err != nil {
83		return nil, err
84	}
85	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
86		// 2XX 成功，验证应答签名
87		err = wxpay_utility.ValidateResponse(
88			config.WechatPayPublicKeyId(),
89			config.WechatPayPublicKey(),
90			&httpResponse.Header,
91			respBody,
92		)
93		if err != nil {
94			return nil, err
95		}
96		response := &UserTitleEntity{}
97		if err := json.Unmarshal(respBody, response); err != nil {
98			return nil, err
99		}
100
101		return response, nil
102	} else {
103		return nil, wxpay_utility.NewApiException(
104			httpResponse.StatusCode,
105			httpResponse.Header,
106			respBody,
107		)
108	}
109}
110
111type GetUserTitleRequest struct {
112	SubMchid      *string `json:"sub_mchid,omitempty"`
113	FapiaoApplyId *string `json:"fapiao_apply_id,omitempty"`
114	Scene         *Scene  `json:"scene,omitempty"`
115}
116
117func (o *GetUserTitleRequest) MarshalJSON() ([]byte, error) {
118	type Alias GetUserTitleRequest
119	a := &struct {
120		SubMchid      *string `json:"sub_mchid,omitempty"`
121		FapiaoApplyId *string `json:"fapiao_apply_id,omitempty"`
122		Scene         *Scene  `json:"scene,omitempty"`
123		*Alias
124	}{
125		// 序列化时移除非 Body 字段
126		SubMchid:      nil,
127		FapiaoApplyId: nil,
128		Scene:         nil,
129		Alias:         (*Alias)(o),
130	}
131	return json.Marshal(a)
132}
133
134type UserTitleEntity struct {
135	Type             *BuyerType      `json:"type,omitempty"`
136	Name             *string         `json:"name,omitempty"`
137	TaxpayerId       *string         `json:"taxpayer_id,omitempty"`
138	Address          *string         `json:"address,omitempty"`
139	Telephone        *string         `json:"telephone,omitempty"`
140	BankName         *string         `json:"bank_name,omitempty"`
141	BankAccount      *string         `json:"bank_account,omitempty"`
142	Phone            *string         `json:"phone,omitempty"`
143	Email            *string         `json:"email,omitempty"`
144	Amount           *int64          `json:"amount,omitempty"`
145	OutTradeNo       *string         `json:"out_trade_no,omitempty"`
146	FapiaoBillType   *FapiaoBillType `json:"fapiao_bill_type,omitempty"`
147	UserApplyMessage *string         `json:"user_apply_message,omitempty"`
148}
149
150type Scene string
151
152func (e Scene) Ptr() *Scene {
153	return &e
154}
155
156const (
157	SCENE_WITH_WECHATPAY    Scene = "WITH_WECHATPAY"
158	SCENE_WITHOUT_WECHATPAY Scene = "WITHOUT_WECHATPAY"
159)
160
161type BuyerType string
162
163func (e BuyerType) Ptr() *BuyerType {
164	return &e
165}
166
167const (
168	BUYERTYPE_INDIVIDUAL   BuyerType = "INDIVIDUAL"
169	BUYERTYPE_ORGANIZATION BuyerType = "ORGANIZATION"
170)
171
172type FapiaoBillType string
173
174func (e FapiaoBillType) Ptr() *FapiaoBillType {
175	return &e
176}
177
178const (
179	FAPIAOBILLTYPE_COMM_FAPIAO FapiaoBillType = "COMM_FAPIAO"
180	FAPIAOBILLTYPE_VAT_FAPIAO  FapiaoBillType = "VAT_FAPIAO"
181)
182