品牌会员展示付款码组件预授权

1curl -X POST \
2  https://api.mch.weixin.qq.com/v3/brand/partner/card-member/pay-view-tokens \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" \
5  -H "Content-Type: application/json" \
6  -d '{
7    "brand_id" : "1004",
8    "card_id" : "pbLatjvWOibDc5-TBnbUk1pD12o0",
9    "openid" : "obLatjnx9gnqzS4myYGmLZ7LgLBA"
10  }'
11

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 * 品牌会员展示付款码组件预授权
24 */
25public class CreatePayViewPreAuthToken {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "POST";
28  private static String PATH = "/v3/brand/partner/card-member/pay-view-tokens";
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    CreatePayViewPreAuthToken client = new CreatePayViewPreAuthToken(
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    CreatePayViewPreAuthTokenRequest request = new CreatePayViewPreAuthTokenRequest();
41    request.brandId = "1004";
42    request.cardId = "pbLatjvWOibDc5-TBnbUk1pD12o0";
43    request.openid = "obLatjnx9gnqzS4myYGmLZ7LgLBA";
44    try {
45      PayViewPreAuthToken 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 PayViewPreAuthToken run(CreatePayViewPreAuthTokenRequest request) {
55    String uri = PATH;
56    String reqBody = WXPayUtility.toJson(request);
57
58    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
59    reqBuilder.addHeader("Accept", "application/json");
60    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
61    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo,privateKey, METHOD, uri, reqBody));
62    reqBuilder.addHeader("Content-Type", "application/json");
63    RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), reqBody);
64    reqBuilder.method(METHOD, requestBody);
65    Request httpRequest = reqBuilder.build();
66
67    // 发送HTTP请求
68    OkHttpClient client = new OkHttpClient.Builder().build();
69    try (Response httpResponse = client.newCall(httpRequest).execute()) {
70      String respBody = WXPayUtility.extractBody(httpResponse);
71      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
72        // 2XX 成功，验证应答签名
73        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
74            httpResponse.headers(), respBody);
75
76        // 从HTTP应答报文构建返回数据
77        return WXPayUtility.fromJson(respBody, PayViewPreAuthToken.class);
78      } else {
79        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
80      }
81    } catch (IOException e) {
82      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
83    }
84  }
85
86  private final String mchid;
87  private final String certificateSerialNo;
88  private final PrivateKey privateKey;
89  private final String wechatPayPublicKeyId;
90  private final PublicKey wechatPayPublicKey;
91
92  public CreatePayViewPreAuthToken(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
93    this.mchid = mchid;
94    this.certificateSerialNo = certificateSerialNo;
95    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
96    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
97    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
98  }
99
100  public static class CreatePayViewPreAuthTokenRequest {
101    @SerializedName("brand_id")
102    public String brandId;
103  
104    @SerializedName("card_id")
105    public String cardId;
106  
107    @SerializedName("openid")
108    public String openid;
109  }
110  
111  public static class PayViewPreAuthToken {
112    @SerializedName("token")
113    public String token;
114  
115    @SerializedName("expire_time")
116    public String expireTime;
117  }
118  
119}
120

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	"time"
11)
12
13func main() {
14	// TODO: 请准备商户开发必要参数，参考：https://pay.weixin.qq.com/doc/v3/partner/4013080340
15	config, err := wxpay_utility.CreateMchConfig(
16		"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
17		"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
18		"/path/to/apiclient_key.pem", // 商户API证书私钥文件路径，本地文件路径
19		"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
20		"/path/to/wxp_pub.pem",       // 微信支付公钥文件路径，本地文件路径
21	)
22	if err != nil {
23		fmt.Println(err)
24		return
25	}
26
27	request := &CreatePayViewPreAuthTokenRequest{
28		BrandId: wxpay_utility.String("1004"),
29		CardId:  wxpay_utility.String("pbLatjvWOibDc5-TBnbUk1pD12o0"),
30		Openid:  wxpay_utility.String("obLatjnx9gnqzS4myYGmLZ7LgLBA"),
31	}
32
33	response, err := CreatePayViewPreAuthToken(config, request)
34	if err != nil {
35		fmt.Printf("请求失败: %+v\n", err)
36		// TODO: 请求失败，根据状态码执行不同的处理
37		return
38	}
39
40	// TODO: 请求成功，继续业务逻辑
41	fmt.Printf("请求成功: %+v\n", response)
42}
43
44func CreatePayViewPreAuthToken(config *wxpay_utility.MchConfig, request *CreatePayViewPreAuthTokenRequest) (response *PayViewPreAuthToken, err error) {
45	const (
46		host   = "https://api.mch.weixin.qq.com"
47		method = "POST"
48		path   = "/v3/brand/partner/card-member/pay-view-tokens"
49	)
50
51	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
52	if err != nil {
53		return nil, err
54	}
55	reqBody, err := json.Marshal(request)
56	if err != nil {
57		return nil, err
58	}
59	httpRequest, err := http.NewRequest(method, reqUrl.String(), bytes.NewReader(reqBody))
60	if err != nil {
61		return nil, err
62	}
63	httpRequest.Header.Set("Accept", "application/json")
64	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
65	httpRequest.Header.Set("Content-Type", "application/json")
66	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), reqBody)
67	if err != nil {
68		return nil, err
69	}
70	httpRequest.Header.Set("Authorization", authorization)
71
72	client := &http.Client{}
73	httpResponse, err := client.Do(httpRequest)
74	if err != nil {
75		return nil, err
76	}
77	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
78	if err != nil {
79		return nil, err
80	}
81	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
82		// 2XX 成功，验证应答签名
83		err = wxpay_utility.ValidateResponse(
84			config.WechatPayPublicKeyId(),
85			config.WechatPayPublicKey(),
86			&httpResponse.Header,
87			respBody,
88		)
89		if err != nil {
90			return nil, err
91		}
92		response := &PayViewPreAuthToken{}
93		if err := json.Unmarshal(respBody, response); err != nil {
94			return nil, err
95		}
96
97		return response, nil
98	} else {
99		return nil, wxpay_utility.NewApiException(
100			httpResponse.StatusCode,
101			httpResponse.Header,
102			respBody,
103		)
104	}
105}
106
107type CreatePayViewPreAuthTokenRequest struct {
108	BrandId *string `json:"brand_id,omitempty"`
109	CardId  *string `json:"card_id,omitempty"`
110	Openid  *string `json:"openid,omitempty"`
111}
112
113type PayViewPreAuthToken struct {
114	Token      *string    `json:"token,omitempty"`
115	ExpireTime *time.Time `json:"expire_time,omitempty"`
116}
117