企业商户获取指定额度卡支付链接

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 * 企业商户获取指定额度卡支付链接
24 */
25public class GetQuotaCardPaymentUrl {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "GET";
28  private static String PATH = "/v3/webizpay/employees/{employee_id}/quota-cards/{card_no}/payment-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    GetQuotaCardPaymentUrl client = new GetQuotaCardPaymentUrl(
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    GetQuotaCardPaymentUrlRequest request = new GetQuotaCardPaymentUrlRequest();
41    request.cardNo = "1068019671702503425";
42    request.employeeId = "WeBizPay_a968402a-73bb-43e2-9e1a-8371b0ca3d7c";
43    request.spMchid = "12341234";
44    request.subMchid = "43214321";
45    request.applicationType = ApplicationType.H5;
46    try {
47      CardsGetQuotaCardPaymentUrlResponse response = client.run(request);
48
49      // TODO: 请求成功，继续业务逻辑
50      System.out.println(response);
51    } catch (WXPayUtility.ApiException e) {
52      // TODO: 请求失败，根据状态码执行不同的逻辑
53      e.printStackTrace();
54    }
55  }
56
57  public CardsGetQuotaCardPaymentUrlResponse run(GetQuotaCardPaymentUrlRequest request) {
58    String uri = PATH;
59    uri = uri.replace("{card_no}", WXPayUtility.urlEncode(request.cardNo));
60    uri = uri.replace("{employee_id}", WXPayUtility.urlEncode(request.employeeId));
61    Map<String, Object> args = new HashMap<>();
62    args.put("sp_mchid", request.spMchid);
63    args.put("sub_mchid", request.subMchid);
64    args.put("application_type", request.applicationType);
65    uri = uri + "?" + WXPayUtility.urlEncode(args);
66
67    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
68    reqBuilder.addHeader("Accept", "application/json");
69    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
70    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo, privateKey, METHOD, uri, null));
71    reqBuilder.method(METHOD, null);
72    Request httpRequest = reqBuilder.build();
73
74    // 发送HTTP请求
75    OkHttpClient client = new OkHttpClient.Builder().build();
76    try (Response httpResponse = client.newCall(httpRequest).execute()) {
77      String respBody = WXPayUtility.extractBody(httpResponse);
78      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
79        // 2XX 成功，验证应答签名
80        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
81            httpResponse.headers(), respBody);
82
83        // 从HTTP应答报文构建返回数据
84        return WXPayUtility.fromJson(respBody, CardsGetQuotaCardPaymentUrlResponse.class);
85      } else {
86        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
87      }
88    } catch (IOException e) {
89      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
90    }
91  }
92
93  private final String mchid;
94  private final String certificateSerialNo;
95  private final PrivateKey privateKey;
96  private final String wechatPayPublicKeyId;
97  private final PublicKey wechatPayPublicKey;
98
99  public GetQuotaCardPaymentUrl(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
100    this.mchid = mchid;
101    this.certificateSerialNo = certificateSerialNo;
102    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
103    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
104    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
105  }
106
107  public static class GetQuotaCardPaymentUrlRequest {
108    @SerializedName("sp_mchid")
109    @Expose(serialize = false)
110    public String spMchid;
111  
112    @SerializedName("sub_mchid")
113    @Expose(serialize = false)
114    public String subMchid;
115  
116    @SerializedName("card_no")
117    @Expose(serialize = false)
118    public String cardNo;
119  
120    @SerializedName("employee_id")
121    @Expose(serialize = false)
122    public String employeeId;
123  
124    @SerializedName("application_type")
125    @Expose(serialize = false)
126    public ApplicationType applicationType;
127  }
128  
129  public static class CardsGetQuotaCardPaymentUrlResponse {
130    @SerializedName("sp_mchid")
131    public String spMchid;
132  
133    @SerializedName("sub_mchid")
134    public String subMchid;
135  
136    @SerializedName("employee_id")
137    public String employeeId;
138  
139    @SerializedName("card_no")
140    public String cardNo;
141  
142    @SerializedName("expire_time")
143    public String expireTime;
144  
145    @SerializedName("payment_url")
146    public String paymentUrl;
147  
148    @SerializedName("application_type")
149    public ApplicationType applicationType;
150  
151    @SerializedName("mp_query")
152    public String mpQuery;
153  
154    @SerializedName("mp_business_type")
155    public String mpBusinessType;
156  }
157  
158  public enum ApplicationType {
159    @SerializedName("H5")
160    H5,
161    @SerializedName("MINIPROGRAM")
162    MINIPROGRAM
163  }
164  
165}
166

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 := &GetQuotaCardPaymentUrlRequest{
27		SpMchid:         wxpay_utility.String("12341234"),
28		SubMchid:        wxpay_utility.String("43214321"),
29		CardNo:          wxpay_utility.String("1068019671702503425"),
30		EmployeeId:      wxpay_utility.String("WeBizPay_a968402a-73bb-43e2-9e1a-8371b0ca3d7c"),
31		ApplicationType: APPLICATIONTYPE_H5.Ptr(),
32	}
33
34	response, err := GetQuotaCardPaymentUrl(config, request)
35	if err != nil {
36		fmt.Printf("请求失败: %+v\n", err)
37		// TODO: 请求失败，根据状态码执行不同的处理
38		return
39	}
40
41	// TODO: 请求成功，继续业务逻辑
42	fmt.Printf("请求成功: %+v\n", response)
43}
44
45func GetQuotaCardPaymentUrl(config *wxpay_utility.MchConfig, request *GetQuotaCardPaymentUrlRequest) (response *CardsGetQuotaCardPaymentUrlResponse, err error) {
46	const (
47		host   = "https://api.mch.weixin.qq.com"
48		method = "GET"
49		path   = "/v3/webizpay/employees/{employee_id}/quota-cards/{card_no}/payment-url"
50	)
51
52	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
53	if err != nil {
54		return nil, err
55	}
56	reqUrl.Path = strings.Replace(reqUrl.Path, "{card_no}", url.PathEscape(*request.CardNo), -1)
57	reqUrl.Path = strings.Replace(reqUrl.Path, "{employee_id}", url.PathEscape(*request.EmployeeId), -1)
58	query := reqUrl.Query()
59	query.Add("sp_mchid", *request.SpMchid)
60	query.Add("sub_mchid", *request.SubMchid)
61	query.Add("application_type", fmt.Sprintf("%v", *request.ApplicationType))
62	reqUrl.RawQuery = query.Encode()
63	httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
64	if err != nil {
65		return nil, err
66	}
67	httpRequest.Header.Set("Accept", "application/json")
68	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
69	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
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
81	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
82	if err != nil {
83		return nil, err
84	}
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 nil, err
96		}
97
98		if err := json.Unmarshal(respBody, response); err != nil {
99			return nil, err
100		}
101
102		return response, nil
103	} else {
104		return nil, wxpay_utility.NewApiException(
105			httpResponse.StatusCode,
106			httpResponse.Header,
107			respBody,
108		)
109	}
110}
111
112type GetQuotaCardPaymentUrlRequest struct {
113	SpMchid         *string          `json:"sp_mchid,omitempty"`
114	SubMchid        *string          `json:"sub_mchid,omitempty"`
115	CardNo          *string          `json:"card_no,omitempty"`
116	EmployeeId      *string          `json:"employee_id,omitempty"`
117	ApplicationType *ApplicationType `json:"application_type,omitempty"`
118}
119
120func (o *GetQuotaCardPaymentUrlRequest) MarshalJSON() ([]byte, error) {
121	type Alias GetQuotaCardPaymentUrlRequest
122	a := &struct {
123		SpMchid         *string          `json:"sp_mchid,omitempty"`
124		SubMchid        *string          `json:"sub_mchid,omitempty"`
125		CardNo          *string          `json:"card_no,omitempty"`
126		EmployeeId      *string          `json:"employee_id,omitempty"`
127		ApplicationType *ApplicationType `json:"application_type,omitempty"`
128		*Alias
129	}{
130		// 序列化时移除非 Body 字段
131		SpMchid:         nil,
132		SubMchid:        nil,
133		CardNo:          nil,
134		EmployeeId:      nil,
135		ApplicationType: nil,
136		Alias:           (*Alias)(o),
137	}
138	return json.Marshal(a)
139}
140
141type CardsGetQuotaCardPaymentUrlResponse struct {
142	SpMchid         *string          `json:"sp_mchid,omitempty"`
143	SubMchid        *string          `json:"sub_mchid,omitempty"`
144	EmployeeId      *string          `json:"employee_id,omitempty"`
145	CardNo          *string          `json:"card_no,omitempty"`
146	ExpireTime      *string          `json:"expire_time,omitempty"`
147	PaymentUrl      *string          `json:"payment_url,omitempty"`
148	ApplicationType *ApplicationType `json:"application_type,omitempty"`
149	MpQuery         *string          `json:"mp_query,omitempty"`
150	MpBusinessType  *string          `json:"mp_business_type,omitempty"`
151}
152
153type ApplicationType string
154
155func (e ApplicationType) Ptr() *ApplicationType {
156	return &e
157}
158
159const (
160	APPLICATIONTYPE_H5          ApplicationType = "H5"
161	APPLICATIONTYPE_MINIPROGRAM ApplicationType = "MINIPROGRAM"
162)
163

1curl -X GET \
2  https://api.mch.weixin.qq.com/v3/webizpay/employees/WeBizPay_a968402a-73bb-43e2-9e1a-8371b0ca3d7c/quota-cards/1068019671702503425/payment-url?sp_mchid=12341234&sub_mchid=43214321&application_type=H5 \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" 
5