更新退款审批结果

1curl -X POST \
2  https://api.mch.weixin.qq.com/v3/merchant-service/complaints-v2/200201820200101080076610000/update-refund-progress \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" \
5  -H "Content-Type: application/json" \
6  -d '{
7    "action" : "APPROVE",
8    "launch_refund_day" : 3,
9    "reject_reason" : "拒绝退款",
10    "reject_media_list" : [
11      "aabbccdd"
12    ],
13    "remark" : "已处理完成"
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 * 更新退款审批结果
24 */
25public class UpdateRefundProgress {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "POST";
28  private static String PATH = "/v3/merchant-service/complaints-v2/{complaint_id}/update-refund-progress";
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    UpdateRefundProgress client = new UpdateRefundProgress(
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    UpdateRefundProgressRequest request = new UpdateRefundProgressRequest();
42    request.complaintId = "200201820200101080076610000";
43    request.action = Action.APPROVE;
44    request.launchRefundDay = 3L;
45    request.rejectReason = "拒绝退款";
46    request.rejectMediaList = new ArrayList<>();
47    {
48      request.rejectMediaList.add("aabbccdd");
49    };
50    request.remark = "已处理完成";
51    try {
52      client.run(request);
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 void run(UpdateRefundProgressRequest request) {
60    String uri = PATH;
61    uri = uri.replace("{complaint_id}", WXPayUtility.urlEncode(request.complaintId));
62    String reqBody = WXPayUtility.toJson(request);
63
64    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
65    reqBuilder.addHeader("Accept", "application/json");
66    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
67    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo,privateKey, METHOD, uri, reqBody));
68    reqBuilder.addHeader("Content-Type", "application/json");
69    RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), reqBody);
70    reqBuilder.method(METHOD, requestBody);
71    Request httpRequest = reqBuilder.build();
72
73    // 发送HTTP请求
74    OkHttpClient client = new OkHttpClient.Builder().build();
75    try (Response httpResponse = client.newCall(httpRequest).execute()) {
76      String respBody = WXPayUtility.extractBody(httpResponse);
77      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
78        // 2XX 成功，验证应答签名
79        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
80            httpResponse.headers(), respBody);
81
82        return;
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 UpdateRefundProgress(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 UpdateRefundProgressRequest {
106    @SerializedName("complaint_id")
107    @Expose(serialize = false)
108    public String complaintId;
109  
110    @SerializedName("action")
111    public Action action;
112  
113    @SerializedName("launch_refund_day")
114    public Long launchRefundDay;
115  
116    @SerializedName("reject_reason")
117    public String rejectReason;
118  
119    @SerializedName("reject_media_list")
120    public List<String> rejectMediaList;
121  
122    @SerializedName("remark")
123    public String remark;
124  }
125  
126  public enum Action {
127    @SerializedName("REJECT")
128    REJECT,
129    @SerializedName("APPROVE")
130    APPROVE
131  }
132  
133}
134

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	"strings"
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 := &UpdateRefundProgressRequest{
28		ComplaintId:     wxpay_utility.String("200201820200101080076610000"),
29		Action:          ACTION_APPROVE.Ptr(),
30		LaunchRefundDay: wxpay_utility.Int64(3),
31		RejectReason:    wxpay_utility.String("拒绝退款"),
32		RejectMediaList: []string{"aabbccdd"},
33		Remark:          wxpay_utility.String("已处理完成"),
34	}
35
36	err = UpdateRefundProgress(config, request)
37	if err != nil {
38		fmt.Printf("请求失败: %+v\n", err)
39		// TODO: 请求失败，根据状态码执行不同的处理
40		return
41	}
42
43	// TODO: 请求成功，继续业务逻辑
44	fmt.Println("请求成功")
45}
46
47func UpdateRefundProgress(config *wxpay_utility.MchConfig, request *UpdateRefundProgressRequest) (err error) {
48	const (
49		host   = "https://api.mch.weixin.qq.com"
50		method = "POST"
51		path   = "/v3/merchant-service/complaints-v2/{complaint_id}/update-refund-progress"
52	)
53
54	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
55	if err != nil {
56		return err
57	}
58	reqUrl.Path = strings.Replace(reqUrl.Path, "{complaint_id}", url.PathEscape(*request.ComplaintId), -1)
59	reqBody, err := json.Marshal(request)
60	if err != nil {
61		return err
62	}
63	httpRequest, err := http.NewRequest(method, reqUrl.String(), bytes.NewReader(reqBody))
64	if err != nil {
65		return 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 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 err
80	}
81	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
82	if err != nil {
83		return 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 err
95		}
96		return nil
97	} else {
98		return wxpay_utility.NewApiException(
99			httpResponse.StatusCode,
100			httpResponse.Header,
101			respBody,
102		)
103	}
104}
105
106type UpdateRefundProgressRequest struct {
107	ComplaintId     *string  `json:"complaint_id,omitempty"`
108	Action          *Action  `json:"action,omitempty"`
109	LaunchRefundDay *int64   `json:"launch_refund_day,omitempty"`
110	RejectReason    *string  `json:"reject_reason,omitempty"`
111	RejectMediaList []string `json:"reject_media_list,omitempty"`
112	Remark          *string  `json:"remark,omitempty"`
113}
114
115func (o *UpdateRefundProgressRequest) MarshalJSON() ([]byte, error) {
116	type Alias UpdateRefundProgressRequest
117	a := &struct {
118		ComplaintId *string `json:"complaint_id,omitempty"`
119		*Alias
120	}{
121		// 序列化时移除非 Body 字段
122		ComplaintId: nil,
123		Alias:       (*Alias)(o),
124	}
125	return json.Marshal(a)
126}
127
128type Action string
129
130func (e Action) Ptr() *Action {
131	return &e
132}
133
134const (
135	ACTION_REJECT  Action = "REJECT"
136	ACTION_APPROVE Action = "APPROVE"
137)
138