获取商品券事件通知地址

1curl -X GET \
2  https://api.mch.weixin.qq.com/v3/marketing/partner/product-coupon/notify-configs \
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 * 获取商品券事件通知地址
24 */
25public class GetNotifyConfig {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "GET";
28  private static String PATH = "/v3/marketing/partner/product-coupon/notify-configs";
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    GetNotifyConfig client = new GetNotifyConfig(
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    try {
41      GetNotifyConfigResponse response = client.run();
42        // TODO: 请求成功，继续业务逻辑
43        System.out.println(response);
44    } catch (WXPayUtility.ApiException e) {
45        // TODO: 请求失败，根据状态码执行不同的逻辑
46        e.printStackTrace();
47    }
48  }
49
50  public GetNotifyConfigResponse run() {
51    String uri = PATH;
52
53    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
54    reqBuilder.addHeader("Accept", "application/json");
55    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
56    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo, privateKey, METHOD, uri, null));
57    reqBuilder.method(METHOD, null);
58    Request httpRequest = reqBuilder.build();
59
60    // 发送HTTP请求
61    OkHttpClient client = new OkHttpClient.Builder().build();
62    try (Response httpResponse = client.newCall(httpRequest).execute()) {
63      String respBody = WXPayUtility.extractBody(httpResponse);
64      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
65        // 2XX 成功，验证应答签名
66        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
67            httpResponse.headers(), respBody);
68
69        // 从HTTP应答报文构建返回数据
70        return WXPayUtility.fromJson(respBody, GetNotifyConfigResponse.class);
71      } else {
72        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
73      }
74    } catch (IOException e) {
75      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
76    }
77  }
78
79  private final String mchid;
80  private final String certificateSerialNo;
81  private final PrivateKey privateKey;
82  private final String wechatPayPublicKeyId;
83  private final PublicKey wechatPayPublicKey;
84
85  public GetNotifyConfig(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
86    this.mchid = mchid;
87    this.certificateSerialNo = certificateSerialNo;
88    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
89    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
90    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
91  }
92
93  public static class GetNotifyConfigResponse {
94    @SerializedName("notify_url")
95    public String notifyUrl;
96  
97    @SerializedName("update_time")
98    public String updateTime;
99  }
100  
101}
102

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	"time"
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	response, err := GetNotifyConfig(config)
27	if err != nil {
28		fmt.Printf("请求失败: %+v\n", err)
29		// TODO: 请求失败，根据状态码执行不同的处理
30		return
31	}
32
33	// TODO: 请求成功，继续业务逻辑
34	fmt.Printf("请求成功: %+v\n", response)
35}
36
37func GetNotifyConfig(config *wxpay_utility.MchConfig) (response *GetNotifyConfigResponse, err error) {
38	const (
39		host   = "https://api.mch.weixin.qq.com"
40		method = "GET"
41		path   = "/v3/marketing/partner/product-coupon/notify-configs"
42	)
43
44	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
45	if err != nil {
46		return nil, err
47	}
48	if err != nil {
49		return nil, err
50	}
51	httpRequest.Header.Set("Accept", "application/json")
52	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
53	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
54	if err != nil {
55		return nil, err
56	}
57	httpRequest.Header.Set("Authorization", authorization)
58
59	client := &http.Client{}
60	httpResponse, err := client.Do(httpRequest)
61	if err != nil {
62		return nil, err
63	}
64	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
65	if err != nil {
66		return nil, err
67	}
68	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
69		// 2XX 成功，验证应答签名
70		err = wxpay_utility.ValidateResponse(
71			config.WechatPayPublicKeyId(),
72			config.WechatPayPublicKey(),
73			&httpResponse.Header,
74			respBody,
75		)
76		if err != nil {
77			return nil, err
78		}
79		response := &GetNotifyConfigResponse{}
80		if err := json.Unmarshal(respBody, response); err != nil {
81			return nil, err
82		}
83
84		return response, nil
85	} else {
86		return nil, wxpay_utility.NewApiException(
87			httpResponse.StatusCode,
88			httpResponse.Header,
89			respBody,
90		)
91	}
92}
93
94type GetNotifyConfigResponse struct {
95	NotifyUrl  *string    `json:"notify_url,omitempty"`
96	UpdateTime *time.Time `json:"update_time,omitempty"`
97}
98