撤销转账

1curl -X POST \
2  https://api.mch.weixin.qq.com/v3/fund-app/mch-transfer/partner/transfer-bills/out-bill-no/plfk2020042013/cancel \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" \
5  -H "Content-Type: application/json" \
6  -d '{
7    "sub_mchid" : "1900001109"
8  }'
9

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 * 撤销转账
24 */
25public class TransferBillCancel {
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/partner/transfer-bills/out-bill-no/{out_bill_no}/cancel";
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    TransferBillCancel client = new TransferBillCancel(
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    TransferBillCancelRequest request = new TransferBillCancelRequest();
41    request.outBillNo = "plfk2020042013";
42    request.subMchid = "1900001109";
43    try {
44      TransferBillEntity response = client.run(request);
45        // TODO: 请求成功，继续业务逻辑
46        System.out.println(response);
47    } catch (WXPayUtility.ApiException e) {
48        // TODO: 请求失败，根据状态码执行不同的逻辑
49        e.printStackTrace();
50    }
51  }
52
53  public TransferBillEntity run(TransferBillCancelRequest request) {
54    String uri = PATH;
55    uri = uri.replace("{out_bill_no}", WXPayUtility.urlEncode(request.outBillNo));
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, TransferBillEntity.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 TransferBillCancel(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 TransferBillCancelRequest {
101    @SerializedName("sub_mchid")
102    public String subMchid;
103  
104    @SerializedName("out_bill_no")
105    @Expose(serialize = false)
106    public String outBillNo;
107  }
108  
109  public static class TransferBillEntity {
110    @SerializedName("sub_mchid")
111    public String subMchid;
112  
113    @SerializedName("mchid")
114    public String mchid;
115  
116    @SerializedName("out_bill_no")
117    public String outBillNo;
118  
119    @SerializedName("transfer_bill_no")
120    public String transferBillNo;
121  
122    @SerializedName("appid")
123    public String appid;
124  
125    @SerializedName("state")
126    public TransferBillStatus state;
127  
128    @SerializedName("transfer_amount")
129    public Long transferAmount;
130  
131    @SerializedName("transfer_remark")
132    public String transferRemark;
133  
134    @SerializedName("fail_reason")
135    public String failReason;
136  
137    @SerializedName("openid")
138    public String openid;
139  
140    @SerializedName("user_name")
141    public String userName;
142  
143    @SerializedName("create_time")
144    public String createTime;
145  
146    @SerializedName("update_time")
147    public String updateTime;
148  }
149  
150  public enum TransferBillStatus {
151    @SerializedName("ACCEPTED")
152    ACCEPTED,
153    @SerializedName("PROCESSING")
154    PROCESSING,
155    @SerializedName("WAIT_USER_CONFIRM")
156    WAIT_USER_CONFIRM,
157    @SerializedName("TRANSFERING")
158    TRANSFERING,
159    @SerializedName("SUCCESS")
160    SUCCESS,
161    @SerializedName("FAIL")
162    FAIL,
163    @SerializedName("CANCELING")
164    CANCELING,
165    @SerializedName("CANCELLED")
166    CANCELLED
167  }
168  
169}
170

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	"strings"
11	"time"
12)
13
14func main() {
15	// TODO: 请准备商户开发必要参数，参考：https://pay.weixin.qq.com/doc/v3/partner/4013080340
16	config, err := wxpay_utility.CreateMchConfig(
17		"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
18		"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
19		"/path/to/apiclient_key.pem", // 商户API证书私钥文件路径，本地文件路径
20		"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
21		"/path/to/wxp_pub.pem",       // 微信支付公钥文件路径，本地文件路径
22	)
23	if err != nil {
24		fmt.Println(err)
25		return
26	}
27
28	request := &TransferBillCancelRequest{
29		OutBillNo: wxpay_utility.String("plfk2020042013"),
30		SubMchid:  wxpay_utility.String("1900001109"),
31	}
32
33	response, err := TransferBillCancel(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 TransferBillCancel(config *wxpay_utility.MchConfig, request *TransferBillCancelRequest) (response *TransferBillEntity, err error) {
45	const (
46		host   = "https://api.mch.weixin.qq.com"
47		method = "POST"
48		path   = "/v3/fund-app/mch-transfer/partner/transfer-bills/out-bill-no/{out_bill_no}/cancel"
49	)
50
51	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
52	if err != nil {
53		return nil, err
54	}
55	reqUrl.Path = strings.Replace(reqUrl.Path, "{out_bill_no}", url.PathEscape(*request.OutBillNo), -1)
56	reqBody, err := json.Marshal(request)
57	if err != nil {
58		return nil, err
59	}
60	httpRequest, err := http.NewRequest(method, reqUrl.String(), bytes.NewReader(reqBody))
61	if err != nil {
62		return nil, err
63	}
64	httpRequest.Header.Set("Accept", "application/json")
65	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
66	httpRequest.Header.Set("Content-Type", "application/json")
67	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), reqBody)
68	if err != nil {
69		return nil, err
70	}
71	httpRequest.Header.Set("Authorization", authorization)
72
73	client := &http.Client{}
74	httpResponse, err := client.Do(httpRequest)
75	if err != nil {
76		return nil, err
77	}
78	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
79	if err != nil {
80		return nil, err
81	}
82	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
83		// 2XX 成功，验证应答签名
84		err = wxpay_utility.ValidateResponse(
85			config.WechatPayPublicKeyId(),
86			config.WechatPayPublicKey(),
87			&httpResponse.Header,
88			respBody,
89		)
90		if err != nil {
91			return nil, err
92		}
93		response := &TransferBillEntity{}
94		if err := json.Unmarshal(respBody, response); err != nil {
95			return nil, err
96		}
97
98		return response, nil
99	} else {
100		return nil, wxpay_utility.NewApiException(
101			httpResponse.StatusCode,
102			httpResponse.Header,
103			respBody,
104		)
105	}
106}
107
108type TransferBillCancelRequest struct {
109	SubMchid  *string `json:"sub_mchid,omitempty"`
110	OutBillNo *string `json:"out_bill_no,omitempty"`
111}
112
113func (o *TransferBillCancelRequest) MarshalJSON() ([]byte, error) {
114	type Alias TransferBillCancelRequest
115	a := &struct {
116		OutBillNo *string `json:"out_bill_no,omitempty"`
117		*Alias
118	}{
119		// 序列化时移除非 Body 字段
120		OutBillNo: nil,
121		Alias:     (*Alias)(o),
122	}
123	return json.Marshal(a)
124}
125
126type TransferBillEntity struct {
127	SubMchid       *string             `json:"sub_mchid,omitempty"`
128	Mchid          *string             `json:"mchid,omitempty"`
129	OutBillNo      *string             `json:"out_bill_no,omitempty"`
130	TransferBillNo *string             `json:"transfer_bill_no,omitempty"`
131	Appid          *string             `json:"appid,omitempty"`
132	State          *TransferBillStatus `json:"state,omitempty"`
133	TransferAmount *int64              `json:"transfer_amount,omitempty"`
134	TransferRemark *string             `json:"transfer_remark,omitempty"`
135	FailReason     *string             `json:"fail_reason,omitempty"`
136	Openid         *string             `json:"openid,omitempty"`
137	UserName       *string             `json:"user_name,omitempty"`
138	CreateTime     *time.Time          `json:"create_time,omitempty"`
139	UpdateTime     *string             `json:"update_time,omitempty"`
140}
141
142type TransferBillStatus string
143
144func (e TransferBillStatus) Ptr() *TransferBillStatus {
145	return &e
146}
147
148const (
149	TRANSFERBILLSTATUS_ACCEPTED          TransferBillStatus = "ACCEPTED"
150	TRANSFERBILLSTATUS_PROCESSING        TransferBillStatus = "PROCESSING"
151	TRANSFERBILLSTATUS_WAIT_USER_CONFIRM TransferBillStatus = "WAIT_USER_CONFIRM"
152	TRANSFERBILLSTATUS_TRANSFERING       TransferBillStatus = "TRANSFERING"
153	TRANSFERBILLSTATUS_SUCCESS           TransferBillStatus = "SUCCESS"
154	TRANSFERBILLSTATUS_FAIL              TransferBillStatus = "FAIL"
155	TRANSFERBILLSTATUS_CANCELING         TransferBillStatus = "CANCELING"
156	TRANSFERBILLSTATUS_CANCELLED         TransferBillStatus = "CANCELLED"
157)
158