发起免确认收款授权

1curl -X POST \
2  https://api.mch.weixin.qq.com/v3/fund-app/mch-transfer/user-confirm-authorization \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" \
5  -H "Content-Type: application/json" \
6  -d '{
7    "out_authorization_no" : "plfk2020042013",
8    "appid" : "102022609",
9    "openid" : "oLTPCuFqLz_UVHHD67rLX5BxXysI",
10    "transfer_scene_id" : "1000",
11    "user_display_name" : "wx_123456",
12    "user_recv_perception" : "现金奖励",
13    "authorization_notify_url" : "https://www.weixin.qq.com/wxpay/pay.php"
14  }'
15

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/merchant/4014931831
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 * 申请免确认收款授权
24 */
25public class Apply {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "POST";
28  private static String PATH = "/v3/fund-app/mch-transfer/user-confirm-authorization";
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/merchant/4013070756
32    Apply client = new Apply(
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/merchant/4013070756
34      "1DDE55AD98Exxxxxxxxxx",         // 商户API证书序列号，如何获取请参考 https://pay.weixin.qq.com/doc/v3/merchant/4013053053
35      "/path/to/apiclient_key.pem"     // 商户API证书私钥文件路径，本地文件路径
36      ,
37      "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/merchant/4013038816
38      "/path/to/wxp_pub.pem"           // 微信支付公钥文件路径，本地文件路径
39    );
40
41    ApplyUserConfirmAuthorizationRequest request = new ApplyUserConfirmAuthorizationRequest();
42    request.outAuthorizationNo = "plfk2020042013";
43    request.appid = "102022609";
44    request.openid = "oLTPCuFqLz_UVHHD67rLX5BxXysI";
45    request.transferSceneId = "1000";
46    request.userDisplayName = "wx_123456";
47    request.userRecvPerception = "现金奖励";
48    request.authorizationNotifyUrl = "https://www.weixin.qq.com/wxpay/pay.php";
49    try {
50      ApplyUserConfirmAuthorizationResponse 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 ApplyUserConfirmAuthorizationResponse run(ApplyUserConfirmAuthorizationRequest 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, ApplyUserConfirmAuthorizationResponse.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 Apply(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 ApplyUserConfirmAuthorizationRequest {
106    @SerializedName("out_authorization_no")
107    public String outAuthorizationNo;
108  
109    @SerializedName("appid")
110    public String appid;
111  
112    @SerializedName("openid")
113    public String openid;
114  
115    @SerializedName("transfer_scene_id")
116    public String transferSceneId;
117  
118    @SerializedName("user_display_name")
119    public String userDisplayName;
120  
121    @SerializedName("user_recv_perception")
122    public String userRecvPerception;
123  
124    @SerializedName("authorization_notify_url")
125    public String authorizationNotifyUrl;
126  }
127  
128  public static class ApplyUserConfirmAuthorizationResponse {
129    @SerializedName("out_authorization_no")
130    public String outAuthorizationNo;
131  
132    @SerializedName("state")
133    public AuthorizationState state;
134  
135    @SerializedName("create_time")
136    public String createTime;
137  
138    @SerializedName("package_info")
139    public String packageInfo;
140  }
141  
142  public enum AuthorizationState {
143    @SerializedName("WAIT_USER_CONFIRM")
144    WAIT_USER_CONFIRM
145  }
146  
147}
148

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/merchant/4015119334
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/merchant/4013070756
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/merchant/4013070756
17		"1DDE55AD98Exxxxxxxxxx",      // 商户API证书序列号，如何获取请参考 https://pay.weixin.qq.com/doc/v3/merchant/4013053053
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/merchant/4013038816
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 := &ApplyUserConfirmAuthorizationRequest{
28		OutAuthorizationNo:     wxpay_utility.String("plfk2020042013"),
29		Appid:                  wxpay_utility.String("102022609"),
30		Openid:                 wxpay_utility.String("oLTPCuFqLz_UVHHD67rLX5BxXysI"),
31		TransferSceneId:        wxpay_utility.String("1000"),
32		UserDisplayName:        wxpay_utility.String("wx_123456"),
33		UserRecvPerception:     wxpay_utility.String("现金奖励"),
34		AuthorizationNotifyUrl: wxpay_utility.String("https://www.weixin.qq.com/wxpay/pay.php"),
35	}
36
37	response, err := Apply(config, request)
38	if err != nil {
39		fmt.Printf("请求失败: %+v\n", err)
40		// TODO: 请求失败，根据状态码执行不同的处理
41		return
42	}
43
44	// TODO: 请求成功，继续业务逻辑
45	fmt.Printf("请求成功: %+v\n", response)
46}
47
48func Apply(config *wxpay_utility.MchConfig, request *ApplyUserConfirmAuthorizationRequest) (response *ApplyUserConfirmAuthorizationResponse, err error) {
49	const (
50		host   = "https://api.mch.weixin.qq.com"
51		method = "POST"
52		path   = "/v3/fund-app/mch-transfer/user-confirm-authorization"
53	)
54
55	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
56	if err != nil {
57		return nil, err
58	}
59	reqBody, err := json.Marshal(request)
60	if err != nil {
61		return nil, err
62	}
63	httpRequest, err := http.NewRequest(method, reqUrl.String(), bytes.NewReader(reqBody))
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	httpRequest.Header.Set("Content-Type", "application/json")
70	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), reqBody)
71	if err != nil {
72		return nil, err
73	}
74	httpRequest.Header.Set("Authorization", authorization)
75
76	client := &http.Client{}
77	httpResponse, err := client.Do(httpRequest)
78	if err != nil {
79		return nil, err
80	}
81	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
82	if err != nil {
83		return nil, err
84	}
85	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
86		// 2XX 成功，验证应答签名
87		err = wxpay_utility.ValidateResponse(
88			config.WechatPayPublicKeyId(),
89			config.WechatPayPublicKey(),
90			&httpResponse.Header,
91			respBody,
92		)
93		if err != nil {
94			return nil, err
95		}
96		response := &ApplyUserConfirmAuthorizationResponse{}
97		if err := json.Unmarshal(respBody, response); err != nil {
98			return nil, err
99		}
100
101		return response, nil
102	} else {
103		return nil, wxpay_utility.NewApiException(
104			httpResponse.StatusCode,
105			httpResponse.Header,
106			respBody,
107		)
108	}
109}
110
111type ApplyUserConfirmAuthorizationRequest struct {
112	OutAuthorizationNo     *string `json:"out_authorization_no,omitempty"`
113	Appid                  *string `json:"appid,omitempty"`
114	Openid                 *string `json:"openid,omitempty"`
115	TransferSceneId        *string `json:"transfer_scene_id,omitempty"`
116	UserDisplayName        *string `json:"user_display_name,omitempty"`
117	UserRecvPerception     *string `json:"user_recv_perception,omitempty"`
118	AuthorizationNotifyUrl *string `json:"authorization_notify_url,omitempty"`
119}
120
121type ApplyUserConfirmAuthorizationResponse struct {
122	OutAuthorizationNo *string             `json:"out_authorization_no,omitempty"`
123	State              *AuthorizationState `json:"state,omitempty"`
124	CreateTime         *time.Time          `json:"create_time,omitempty"`
125	PackageInfo        *string             `json:"package_info,omitempty"`
126}
127
128type AuthorizationState string
129
130func (e AuthorizationState) Ptr() *AuthorizationState {
131	return &e
132}
133
134const (
135	AUTHORIZATIONSTATE_WAIT_USER_CONFIRM AuthorizationState = "WAIT_USER_CONFIRM"
136)
137