获取用户抬头填写链接

1curl -X GET \
2  https://api.mch.weixin.qq.com/v3/new-tax-control-fapiao/user-title/title-url?sub_mchid=1900000109&fapiao_apply_id=fapiao_20200701_123456&source=WEB&appid=wxb1170446a4c0a5a2&openid=plN5twRbHym_j-QcqCzstl0HmwEs&total_amount=382895&seller_name=深圳市南山区测试商户&show_phone_cell=true&must_input_phone=true&show_email_cell=true&must_input_email=true \
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 * 获取抬头填写链接
24 */
25public class AcquireFapiaoTitleUrl {
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/title-url";
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    AcquireFapiaoTitleUrl client = new AcquireFapiaoTitleUrl(
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    AcquireFapiaoTitleUrlRequest request = new AcquireFapiaoTitleUrlRequest();
41    request.subMchid = "1900000109";
42    request.fapiaoApplyId = "fapiao_20200701_123456";
43    request.source = Source.WEB;
44    request.appid = "wxb1170446a4c0a5a2";
45    request.openid = "plN5twRbHym_j-QcqCzstl0HmwEs";
46    request.totalAmount = 382895L;
47    request.sellerName = "深圳市南山区测试商户";
48    request.showPhoneCell = true;
49    request.mustInputPhone = true;
50    request.showEmailCell = true;
51    request.mustInputEmail = true;
52    try {
53      AcquireFapiaoTitleUrlResponse response = client.run(request);
54        // TODO: 请求成功，继续业务逻辑
55        System.out.println(response);
56    } catch (WXPayUtility.ApiException e) {
57        // TODO: 请求失败，根据状态码执行不同的逻辑
58        e.printStackTrace();
59    }
60  }
61
62  public AcquireFapiaoTitleUrlResponse run(AcquireFapiaoTitleUrlRequest request) {
63    String uri = PATH;
64    Map<String, Object> args = new HashMap<>();
65    args.put("sub_mchid", request.subMchid);
66    args.put("fapiao_apply_id", request.fapiaoApplyId);
67    args.put("source", request.source);
68    args.put("appid", request.appid);
69    args.put("openid", request.openid);
70    args.put("total_amount", request.totalAmount);
71    args.put("seller_name", request.sellerName);
72    args.put("show_phone_cell", request.showPhoneCell);
73    args.put("must_input_phone", request.mustInputPhone);
74    args.put("show_email_cell", request.showEmailCell);
75    args.put("must_input_email", request.mustInputEmail);
76    String queryString = WXPayUtility.urlEncode(args);
77    if (!queryString.isEmpty()) {
78        uri = uri + "?" + queryString;
79    }
80
81    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
82    reqBuilder.addHeader("Accept", "application/json");
83    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
84    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo, privateKey, METHOD, uri, null));
85    reqBuilder.method(METHOD, null);
86    Request httpRequest = reqBuilder.build();
87
88    // 发送HTTP请求
89    OkHttpClient client = new OkHttpClient.Builder().build();
90    try (Response httpResponse = client.newCall(httpRequest).execute()) {
91      String respBody = WXPayUtility.extractBody(httpResponse);
92      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
93        // 2XX 成功，验证应答签名
94        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
95            httpResponse.headers(), respBody);
96
97        // 从HTTP应答报文构建返回数据
98        return WXPayUtility.fromJson(respBody, AcquireFapiaoTitleUrlResponse.class);
99      } else {
100        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
101      }
102    } catch (IOException e) {
103      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
104    }
105  }
106
107  private final String mchid;
108  private final String certificateSerialNo;
109  private final PrivateKey privateKey;
110  private final String wechatPayPublicKeyId;
111  private final PublicKey wechatPayPublicKey;
112
113  public AcquireFapiaoTitleUrl(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
114    this.mchid = mchid;
115    this.certificateSerialNo = certificateSerialNo;
116    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
117    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
118    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
119  }
120
121  public static class AcquireFapiaoTitleUrlRequest {
122    @SerializedName("sub_mchid")
123    @Expose(serialize = false)
124    public String subMchid;
125  
126    @SerializedName("fapiao_apply_id")
127    @Expose(serialize = false)
128    public String fapiaoApplyId;
129  
130    @SerializedName("appid")
131    @Expose(serialize = false)
132    public String appid;
133  
134    @SerializedName("openid")
135    @Expose(serialize = false)
136    public String openid;
137  
138    @SerializedName("total_amount")
139    @Expose(serialize = false)
140    public Long totalAmount;
141  
142    @SerializedName("seller_name")
143    @Expose(serialize = false)
144    public String sellerName;
145  
146    @SerializedName("show_phone_cell")
147    @Expose(serialize = false)
148    public Boolean showPhoneCell;
149  
150    @SerializedName("must_input_phone")
151    @Expose(serialize = false)
152    public Boolean mustInputPhone;
153  
154    @SerializedName("show_email_cell")
155    @Expose(serialize = false)
156    public Boolean showEmailCell;
157  
158    @SerializedName("must_input_email")
159    @Expose(serialize = false)
160    public Boolean mustInputEmail;
161  
162    @SerializedName("source")
163    @Expose(serialize = false)
164    public Source source;
165  }
166  
167  public static class AcquireFapiaoTitleUrlResponse {
168    @SerializedName("miniprogram_appid")
169    public String miniprogramAppid;
170  
171    @SerializedName("miniprogram_path")
172    public String miniprogramPath;
173  
174    @SerializedName("miniprogram_user_name")
175    public String miniprogramUserName;
176  }
177  
178  public enum Source {
179    @SerializedName("WEB")
180    WEB,
181    @SerializedName("MINIPROGRAM")
182    MINIPROGRAM
183  }
184  
185}
186

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 := &AcquireFapiaoTitleUrlRequest{
26		SubMchid:       wxpay_utility.String("1900000109"),
27		FapiaoApplyId:  wxpay_utility.String("fapiao_20200701_123456"),
28		Source:         SOURCE_WEB.Ptr(),
29		Appid:          wxpay_utility.String("wxb1170446a4c0a5a2"),
30		Openid:         wxpay_utility.String("plN5twRbHym_j-QcqCzstl0HmwEs"),
31		TotalAmount:    wxpay_utility.Int64(382895),
32		SellerName:     wxpay_utility.String("深圳市南山区测试商户"),
33		ShowPhoneCell:  wxpay_utility.Bool(true),
34		MustInputPhone: wxpay_utility.Bool(true),
35		ShowEmailCell:  wxpay_utility.Bool(true),
36		MustInputEmail: wxpay_utility.Bool(true),
37	}
38
39	response, err := AcquireFapiaoTitleUrl(config, request)
40	if err != nil {
41		fmt.Printf("请求失败: %+v\n", err)
42		// TODO: 请求失败，根据状态码执行不同的处理
43		return
44	}
45
46	// TODO: 请求成功，继续业务逻辑
47	fmt.Printf("请求成功: %+v\n", response)
48}
49
50func AcquireFapiaoTitleUrl(config *wxpay_utility.MchConfig, request *AcquireFapiaoTitleUrlRequest) (response *AcquireFapiaoTitleUrlResponse, err error) {
51	const (
52		host   = "https://api.mch.weixin.qq.com"
53		method = "GET"
54		path   = "/v3/new-tax-control-fapiao/user-title/title-url"
55	)
56
57	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
58	if err != nil {
59		return nil, err
60	}
61	query := reqUrl.Query()
62	if request.SubMchid != nil {
63		query.Add("sub_mchid", *request.SubMchid)
64	}
65	if request.FapiaoApplyId != nil {
66		query.Add("fapiao_apply_id", *request.FapiaoApplyId)
67	}
68	if request.Source != nil {
69		query.Add("source", fmt.Sprintf("%v", *request.Source))
70	}
71	if request.Appid != nil {
72		query.Add("appid", *request.Appid)
73	}
74	if request.Openid != nil {
75		query.Add("openid", *request.Openid)
76	}
77	if request.TotalAmount != nil {
78		query.Add("total_amount", fmt.Sprintf("%v", *request.TotalAmount))
79	}
80	if request.SellerName != nil {
81		query.Add("seller_name", *request.SellerName)
82	}
83	if request.ShowPhoneCell != nil {
84		query.Add("show_phone_cell", fmt.Sprintf("%v", *request.ShowPhoneCell))
85	}
86	if request.MustInputPhone != nil {
87		query.Add("must_input_phone", fmt.Sprintf("%v", *request.MustInputPhone))
88	}
89	if request.ShowEmailCell != nil {
90		query.Add("show_email_cell", fmt.Sprintf("%v", *request.ShowEmailCell))
91	}
92	if request.MustInputEmail != nil {
93		query.Add("must_input_email", fmt.Sprintf("%v", *request.MustInputEmail))
94	}
95	reqUrl.RawQuery = query.Encode()
96	httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
97	if err != nil {
98		return nil, err
99	}
100	httpRequest.Header.Set("Accept", "application/json")
101	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
102	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
103	if err != nil {
104		return nil, err
105	}
106	httpRequest.Header.Set("Authorization", authorization)
107
108	client := &http.Client{}
109	httpResponse, err := client.Do(httpRequest)
110	if err != nil {
111		return nil, err
112	}
113	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
114	if err != nil {
115		return nil, err
116	}
117	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
118		// 2XX 成功，验证应答签名
119		err = wxpay_utility.ValidateResponse(
120			config.WechatPayPublicKeyId(),
121			config.WechatPayPublicKey(),
122			&httpResponse.Header,
123			respBody,
124		)
125		if err != nil {
126			return nil, err
127		}
128		response := &AcquireFapiaoTitleUrlResponse{}
129		if err := json.Unmarshal(respBody, response); err != nil {
130			return nil, err
131		}
132
133		return response, nil
134	} else {
135		return nil, wxpay_utility.NewApiException(
136			httpResponse.StatusCode,
137			httpResponse.Header,
138			respBody,
139		)
140	}
141}
142
143type AcquireFapiaoTitleUrlRequest struct {
144	SubMchid       *string `json:"sub_mchid,omitempty"`
145	FapiaoApplyId  *string `json:"fapiao_apply_id,omitempty"`
146	Appid          *string `json:"appid,omitempty"`
147	Openid         *string `json:"openid,omitempty"`
148	TotalAmount    *int64  `json:"total_amount,omitempty"`
149	SellerName     *string `json:"seller_name,omitempty"`
150	ShowPhoneCell  *bool   `json:"show_phone_cell,omitempty"`
151	MustInputPhone *bool   `json:"must_input_phone,omitempty"`
152	ShowEmailCell  *bool   `json:"show_email_cell,omitempty"`
153	MustInputEmail *bool   `json:"must_input_email,omitempty"`
154	Source         *Source `json:"source,omitempty"`
155}
156
157func (o *AcquireFapiaoTitleUrlRequest) MarshalJSON() ([]byte, error) {
158	type Alias AcquireFapiaoTitleUrlRequest
159	a := &struct {
160		SubMchid       *string `json:"sub_mchid,omitempty"`
161		FapiaoApplyId  *string `json:"fapiao_apply_id,omitempty"`
162		Appid          *string `json:"appid,omitempty"`
163		Openid         *string `json:"openid,omitempty"`
164		TotalAmount    *int64  `json:"total_amount,omitempty"`
165		SellerName     *string `json:"seller_name,omitempty"`
166		ShowPhoneCell  *bool   `json:"show_phone_cell,omitempty"`
167		MustInputPhone *bool   `json:"must_input_phone,omitempty"`
168		ShowEmailCell  *bool   `json:"show_email_cell,omitempty"`
169		MustInputEmail *bool   `json:"must_input_email,omitempty"`
170		Source         *Source `json:"source,omitempty"`
171		*Alias
172	}{
173		// 序列化时移除非 Body 字段
174		SubMchid:       nil,
175		FapiaoApplyId:  nil,
176		Appid:          nil,
177		Openid:         nil,
178		TotalAmount:    nil,
179		SellerName:     nil,
180		ShowPhoneCell:  nil,
181		MustInputPhone: nil,
182		ShowEmailCell:  nil,
183		MustInputEmail: nil,
184		Source:         nil,
185		Alias:          (*Alias)(o),
186	}
187	return json.Marshal(a)
188}
189
190type AcquireFapiaoTitleUrlResponse struct {
191	MiniprogramAppid    *string `json:"miniprogram_appid,omitempty"`
192	MiniprogramPath     *string `json:"miniprogram_path,omitempty"`
193	MiniprogramUserName *string `json:"miniprogram_user_name,omitempty"`
194}
195
196type Source string
197
198func (e Source) Ptr() *Source {
199	return &e
200}
201
202const (
203	SOURCE_WEB         Source = "WEB"
204	SOURCE_MINIPROGRAM Source = "MINIPROGRAM"
205)
206