查询在途异常资金付款指令执行结果

1curl -X GET \
2  https://api.mch.weixin.qq.com/v3/abnormal-fund-processing/receipts/0100011742874700562078230000/transfer-instructions/1200002 \
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 * 查询在途异常资金付款指令执行结果
24 */
25public class GetInstruction {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "GET";
28  private static String PATH = "/v3/abnormal-fund-processing/receipts/{receipt_id}/transfer-instructions/{out_instruction_no}";
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    GetInstruction client = new GetInstruction(
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    GetInstructionRequest request = new GetInstructionRequest();
41    request.receiptId = "0100011742874700562078230000";
42    request.outInstructionNo = "1200002";
43    try {
44      Instruction 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 Instruction run(GetInstructionRequest request) {
54    String uri = PATH;
55    uri = uri.replace("{receipt_id}", WXPayUtility.urlEncode(request.receiptId));
56    uri = uri.replace("{out_instruction_no}", WXPayUtility.urlEncode(request.outInstructionNo));
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, null));
62    reqBuilder.method(METHOD, null);
63    Request httpRequest = reqBuilder.build();
64
65    // 发送HTTP请求
66    OkHttpClient client = new OkHttpClient.Builder().build();
67    try (Response httpResponse = client.newCall(httpRequest).execute()) {
68      String respBody = WXPayUtility.extractBody(httpResponse);
69      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
70        // 2XX 成功，验证应答签名
71        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
72            httpResponse.headers(), respBody);
73
74        // 从HTTP应答报文构建返回数据
75        return WXPayUtility.fromJson(respBody, Instruction.class);
76      } else {
77        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
78      }
79    } catch (IOException e) {
80      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
81    }
82  }
83
84  private final String mchid;
85  private final String certificateSerialNo;
86  private final PrivateKey privateKey;
87  private final String wechatPayPublicKeyId;
88  private final PublicKey wechatPayPublicKey;
89
90  public GetInstruction(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
91    this.mchid = mchid;
92    this.certificateSerialNo = certificateSerialNo;
93    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
94    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
95    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
96  }
97
98  public static class GetInstructionRequest {
99    @SerializedName("receipt_id")
100    @Expose(serialize = false)
101    public String receiptId;
102  
103    @SerializedName("out_instruction_no")
104    @Expose(serialize = false)
105    public String outInstructionNo;
106  }
107  
108  public static class Instruction {
109    @SerializedName("out_instruction_no")
110    public String outInstructionNo;
111  
112    @SerializedName("commander")
113    public Commander commander;
114  
115    @SerializedName("transfer_mode")
116    public TransferModeType transferMode;
117  
118    @SerializedName("receiver")
119    public Receiver receiver;
120  
121    @SerializedName("instruction_state")
122    public InstructionState instructionState;
123  
124    @SerializedName("create_time")
125    public String createTime;
126  
127    @SerializedName("success_time")
128    public String successTime;
129  
130    @SerializedName("close_time")
131    public String closeTime;
132  
133    @SerializedName("close_reason")
134    public String closeReason;
135  
136    @SerializedName("notify_url")
137    public String notifyUrl;
138  
139    @SerializedName("instruction_instance_id")
140    public String instructionInstanceId;
141  }
142  
143  public static class Commander {
144    @SerializedName("operator")
145    public Operator operator;
146  
147    @SerializedName("mchid")
148    public String mchid;
149  }
150  
151  public enum TransferModeType {
152    @SerializedName("TRANSFER_TO_ORIGINAL_RECEIVE_USER")
153    TRANSFER_TO_ORIGINAL_RECEIVE_USER,
154    @SerializedName("TRANSFER_TO_ORIGINAL_RECEIVE_MERCHANT")
155    TRANSFER_TO_ORIGINAL_RECEIVE_MERCHANT,
156    @SerializedName("TRANSFER_TO_SPECIFIED_RECEIVE_MERCHANT")
157    TRANSFER_TO_SPECIFIED_RECEIVE_MERCHANT
158  }
159  
160  public static class Receiver {
161    @SerializedName("account_type")
162    public String accountType;
163  
164    @SerializedName("openid")
165    public String openid;
166  
167    @SerializedName("appid")
168    public String appid;
169  
170    @SerializedName("mchid")
171    public String mchid;
172  }
173  
174  public enum InstructionState {
175    @SerializedName("INSTRUCTION_STATE_PENDING")
176    INSTRUCTION_STATE_PENDING,
177    @SerializedName("INSTRUCTION_STATE_IN_PROGRESS")
178    INSTRUCTION_STATE_IN_PROGRESS,
179    @SerializedName("INSTRUCTION_STATE_CLOSED")
180    INSTRUCTION_STATE_CLOSED,
181    @SerializedName("INSTRUCTION_STATE_SUCCESS")
182    INSTRUCTION_STATE_SUCCESS
183  }
184  
185  public enum Operator {
186    @SerializedName("MERCHANT")
187    MERCHANT
188  }
189  
190}
191

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	"strings"
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 := &GetInstructionRequest{
28		ReceiptId:        wxpay_utility.String("0100011742874700562078230000"),
29		OutInstructionNo: wxpay_utility.String("1200002"),
30	}
31
32	response, err := GetInstruction(config, request)
33	if err != nil {
34		fmt.Printf("请求失败: %+v\n", err)
35		// TODO: 请求失败，根据状态码执行不同的处理
36		return
37	}
38
39	// TODO: 请求成功，继续业务逻辑
40	fmt.Printf("请求成功: %+v\n", response)
41}
42
43func GetInstruction(config *wxpay_utility.MchConfig, request *GetInstructionRequest) (response *Instruction, err error) {
44	const (
45		host   = "https://api.mch.weixin.qq.com"
46		method = "GET"
47		path   = "/v3/abnormal-fund-processing/receipts/{receipt_id}/transfer-instructions/{out_instruction_no}"
48	)
49
50	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
51	if err != nil {
52		return nil, err
53	}
54	reqUrl.Path = strings.Replace(reqUrl.Path, "{receipt_id}", url.PathEscape(*request.ReceiptId), -1)
55	reqUrl.Path = strings.Replace(reqUrl.Path, "{out_instruction_no}", url.PathEscape(*request.OutInstructionNo), -1)
56	httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
57	if err != nil {
58		return nil, err
59	}
60	httpRequest.Header.Set("Accept", "application/json")
61	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
62	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
63	if err != nil {
64		return nil, err
65	}
66	httpRequest.Header.Set("Authorization", authorization)
67
68	client := &http.Client{}
69	httpResponse, err := client.Do(httpRequest)
70	if err != nil {
71		return nil, err
72	}
73	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
74	if err != nil {
75		return nil, err
76	}
77	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
78		// 2XX 成功，验证应答签名
79		err = wxpay_utility.ValidateResponse(
80			config.WechatPayPublicKeyId(),
81			config.WechatPayPublicKey(),
82			&httpResponse.Header,
83			respBody,
84		)
85		if err != nil {
86			return nil, err
87		}
88		response := &Instruction{}
89		if err := json.Unmarshal(respBody, response); err != nil {
90			return nil, err
91		}
92
93		return response, nil
94	} else {
95		return nil, wxpay_utility.NewApiException(
96			httpResponse.StatusCode,
97			httpResponse.Header,
98			respBody,
99		)
100	}
101}
102
103type GetInstructionRequest struct {
104	ReceiptId        *string `json:"receipt_id,omitempty"`
105	OutInstructionNo *string `json:"out_instruction_no,omitempty"`
106}
107
108func (o *GetInstructionRequest) MarshalJSON() ([]byte, error) {
109	type Alias GetInstructionRequest
110	a := &struct {
111		ReceiptId        *string `json:"receipt_id,omitempty"`
112		OutInstructionNo *string `json:"out_instruction_no,omitempty"`
113		*Alias
114	}{
115		// 序列化时移除非 Body 字段
116		ReceiptId:        nil,
117		OutInstructionNo: nil,
118		Alias:            (*Alias)(o),
119	}
120	return json.Marshal(a)
121}
122
123type Instruction struct {
124	OutInstructionNo      *string           `json:"out_instruction_no,omitempty"`
125	Commander             *Commander        `json:"commander,omitempty"`
126	TransferMode          *TransferModeType `json:"transfer_mode,omitempty"`
127	Receiver              *Receiver         `json:"receiver,omitempty"`
128	InstructionState      *InstructionState `json:"instruction_state,omitempty"`
129	CreateTime            *time.Time        `json:"create_time,omitempty"`
130	SuccessTime           *time.Time        `json:"success_time,omitempty"`
131	CloseTime             *time.Time        `json:"close_time,omitempty"`
132	CloseReason           *string           `json:"close_reason,omitempty"`
133	NotifyUrl             *string           `json:"notify_url,omitempty"`
134	InstructionInstanceId *string           `json:"instruction_instance_id,omitempty"`
135}
136
137type Commander struct {
138	Operator *Operator `json:"operator,omitempty"`
139	Mchid    *string   `json:"mchid,omitempty"`
140}
141
142type TransferModeType string
143
144func (e TransferModeType) Ptr() *TransferModeType {
145	return &e
146}
147
148const (
149	TRANSFERMODETYPE_TRANSFER_TO_ORIGINAL_RECEIVE_USER      TransferModeType = "TRANSFER_TO_ORIGINAL_RECEIVE_USER"
150	TRANSFERMODETYPE_TRANSFER_TO_ORIGINAL_RECEIVE_MERCHANT  TransferModeType = "TRANSFER_TO_ORIGINAL_RECEIVE_MERCHANT"
151	TRANSFERMODETYPE_TRANSFER_TO_SPECIFIED_RECEIVE_MERCHANT TransferModeType = "TRANSFER_TO_SPECIFIED_RECEIVE_MERCHANT"
152)
153
154type Receiver struct {
155	AccountType *string `json:"account_type,omitempty"`
156	Openid      *string `json:"openid,omitempty"`
157	Appid       *string `json:"appid,omitempty"`
158	Mchid       *string `json:"mchid,omitempty"`
159}
160
161type InstructionState string
162
163func (e InstructionState) Ptr() *InstructionState {
164	return &e
165}
166
167const (
168	INSTRUCTIONSTATE_INSTRUCTION_STATE_PENDING     InstructionState = "INSTRUCTION_STATE_PENDING"
169	INSTRUCTIONSTATE_INSTRUCTION_STATE_IN_PROGRESS InstructionState = "INSTRUCTION_STATE_IN_PROGRESS"
170	INSTRUCTIONSTATE_INSTRUCTION_STATE_CLOSED      InstructionState = "INSTRUCTION_STATE_CLOSED"
171	INSTRUCTIONSTATE_INSTRUCTION_STATE_SUCCESS     InstructionState = "INSTRUCTION_STATE_SUCCESS"
172)
173
174type Operator string
175
176func (e Operator) Ptr() *Operator {
177	return &e
178}
179
180const (
181	OPERATOR_MERCHANT Operator = "MERCHANT"
182)
183