获取微信分付曝光建议

1curl -X POST \
2  https://api.mch.weixin.qq.com/v3/pay/instal/partner/exposure \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" \
5  -H "Content-Type: application/json" \
6  -d '{
7    "sp_mchid" : "2600015869",
8    "sp_appid" : "wxa9d9651ae82ec4b9",
9    "sub_mchid" : "2600015869",
10    "sub_appid" : "wxa9d9651ae82ec4b9",
11    "user_id" : {
12      "user_id_type" : "SP_OPENID",
13      "sp_openid" : "oLTPCuEfSOSZA6X5uR_JxNKjrGLg",
14      "sub_openid" : "oLTPCuEfSOSZA6X5uR_JxNKjrGLg"
15    }
16  }'
17

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 * 获取微信分付曝光建议
24 */
25public class GetPartnerExposureRecommendation {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "POST";
28  private static String PATH = "/v3/pay/instal/partner/exposure";
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    GetPartnerExposureRecommendation client = new GetPartnerExposureRecommendation(
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    GetPartnerExposureRecommendationRequest request = new GetPartnerExposureRecommendationRequest();
41    request.spMchid = "2600015869";
42    request.spAppid = "wxa9d9651ae82ec4b9";
43    request.subMchid = "2600015869";
44    request.subAppid = "wxa9d9651ae82ec4b9";
45    request.userId = new UserId();
46    request.userId.userIdType = UserIdType.SP_OPENID;
47    request.userId.spOpenid = "oLTPCuEfSOSZA6X5uR_JxNKjrGLg";
48    request.userId.subOpenid = "oLTPCuEfSOSZA6X5uR_JxNKjrGLg";
49    try {
50      ExposureRecommendation response = client.run(request);
51        // TODO: 请求成功，继续业务逻辑
52        System.out.println(response);
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 ExposureRecommendation run(GetPartnerExposureRecommendationRequest request) {
60    String uri = PATH;
61    String reqBody = WXPayUtility.toJson(request);
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, reqBody));
67    reqBuilder.addHeader("Content-Type", "application/json");
68    RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), reqBody);
69    reqBuilder.method(METHOD, requestBody);
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, ExposureRecommendation.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 GetPartnerExposureRecommendation(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 GetPartnerExposureRecommendationRequest {
106    @SerializedName("sp_mchid")
107    public String spMchid;
108  
109    @SerializedName("sp_appid")
110    public String spAppid;
111  
112    @SerializedName("sub_mchid")
113    public String subMchid;
114  
115    @SerializedName("sub_appid")
116    public String subAppid;
117  
118    @SerializedName("user_id")
119    public UserId userId;
120  }
121  
122  public static class ExposureRecommendation {
123    @SerializedName("recommend_exposure")
124    public Boolean recommendExposure;
125  
126    @SerializedName("repayment_info")
127    public List<RepaymentInfo> repaymentInfo;
128  }
129  
130  public static class UserId {
131    @SerializedName("user_id_type")
132    public UserIdType userIdType;
133  
134    @SerializedName("sp_openid")
135    public String spOpenid;
136  
137    @SerializedName("sub_openid")
138    public String subOpenid;
139  }
140  
141  public static class RepaymentInfo {
142    @SerializedName("repayment_type")
143    public RepaymentType repaymentType;
144  
145    @SerializedName("exist_cash_off_coupon")
146    public Boolean existCashOffCoupon;
147  }
148  
149  public enum UserIdType {
150    @SerializedName("UNKNOWN_USER_ID_TYPE")
151    UNKNOWN_USER_ID_TYPE,
152    @SerializedName("OPENID")
153    OPENID,
154    @SerializedName("SP_OPENID")
155    SP_OPENID,
156    @SerializedName("SUB_OPENID")
157    SUB_OPENID
158  }
159  
160  public enum RepaymentType {
161    @SerializedName("REPAYMENT_DAILY")
162    REPAYMENT_DAILY,
163    @SerializedName("REPAYMENT_INSTALL_3")
164    REPAYMENT_INSTALL_3,
165    @SerializedName("REPAYMENT_INSTALL_6")
166    REPAYMENT_INSTALL_6,
167    @SerializedName("REPAYMENT_INSTALL_12")
168    REPAYMENT_INSTALL_12,
169    @SerializedName("REPAYMENT_INSTALL_24")
170    REPAYMENT_INSTALL_24
171  }
172  
173}
174

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)
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 := &GetPartnerExposureRecommendationRequest{
27		SpMchid:  wxpay_utility.String("2600015869"),
28		SpAppid:  wxpay_utility.String("wxa9d9651ae82ec4b9"),
29		SubMchid: wxpay_utility.String("2600015869"),
30		SubAppid: wxpay_utility.String("wxa9d9651ae82ec4b9"),
31		UserId: &UserId{
32			UserIdType: USERIDTYPE_SP_OPENID.Ptr(),
33			SpOpenid:   wxpay_utility.String("oLTPCuEfSOSZA6X5uR_JxNKjrGLg"),
34			SubOpenid:  wxpay_utility.String("oLTPCuEfSOSZA6X5uR_JxNKjrGLg"),
35		},
36	}
37
38	response, err := GetPartnerExposureRecommendation(config, request)
39	if err != nil {
40		fmt.Printf("请求失败: %+v\n", err)
41		// TODO: 请求失败，根据状态码执行不同的处理
42		return
43	}
44
45	// TODO: 请求成功，继续业务逻辑
46	fmt.Printf("请求成功: %+v\n", response)
47}
48
49func GetPartnerExposureRecommendation(config *wxpay_utility.MchConfig, request *GetPartnerExposureRecommendationRequest) (response *ExposureRecommendation, err error) {
50	const (
51		host   = "https://api.mch.weixin.qq.com"
52		method = "POST"
53		path   = "/v3/pay/instal/partner/exposure"
54	)
55
56	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
57	if err != nil {
58		return nil, err
59	}
60	reqBody, err := json.Marshal(request)
61	if err != nil {
62		return nil, err
63	}
64	httpRequest, err := http.NewRequest(method, reqUrl.String(), bytes.NewReader(reqBody))
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	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 nil, 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 nil, err
81	}
82	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
83	if err != nil {
84		return nil, 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 nil, err
96		}
97		response := &ExposureRecommendation{}
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 GetPartnerExposureRecommendationRequest struct {
113	SpMchid  *string `json:"sp_mchid,omitempty"`
114	SpAppid  *string `json:"sp_appid,omitempty"`
115	SubMchid *string `json:"sub_mchid,omitempty"`
116	SubAppid *string `json:"sub_appid,omitempty"`
117	UserId   *UserId `json:"user_id,omitempty"`
118}
119
120type ExposureRecommendation struct {
121	RecommendExposure *bool           `json:"recommend_exposure,omitempty"`
122	RepaymentInfo     []RepaymentInfo `json:"repayment_info,omitempty"`
123}
124
125type UserId struct {
126	UserIdType *UserIdType `json:"user_id_type,omitempty"`
127	SpOpenid   *string     `json:"sp_openid,omitempty"`
128	SubOpenid  *string     `json:"sub_openid,omitempty"`
129}
130
131type RepaymentInfo struct {
132	RepaymentType      *RepaymentType `json:"repayment_type,omitempty"`
133	ExistCashOffCoupon *bool          `json:"exist_cash_off_coupon,omitempty"`
134}
135
136type UserIdType string
137
138func (e UserIdType) Ptr() *UserIdType {
139	return &e
140}
141
142const (
143	USERIDTYPE_UNKNOWN_USER_ID_TYPE UserIdType = "UNKNOWN_USER_ID_TYPE"
144	USERIDTYPE_OPENID               UserIdType = "OPENID"
145	USERIDTYPE_SP_OPENID            UserIdType = "SP_OPENID"
146	USERIDTYPE_SUB_OPENID           UserIdType = "SUB_OPENID"
147)
148
149type RepaymentType string
150
151func (e RepaymentType) Ptr() *RepaymentType {
152	return &e
153}
154
155const (
156	REPAYMENTTYPE_REPAYMENT_DAILY      RepaymentType = "REPAYMENT_DAILY"
157	REPAYMENTTYPE_REPAYMENT_INSTALL_3  RepaymentType = "REPAYMENT_INSTALL_3"
158	REPAYMENTTYPE_REPAYMENT_INSTALL_6  RepaymentType = "REPAYMENT_INSTALL_6"
159	REPAYMENTTYPE_REPAYMENT_INSTALL_12 RepaymentType = "REPAYMENT_INSTALL_12"
160	REPAYMENTTYPE_REPAYMENT_INSTALL_24 RepaymentType = "REPAYMENT_INSTALL_24"
161)
162