微信单号查询转账单

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 * 微信转账单号查询转账单
24 */
25public class GetTransferBillByNo {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "GET";
28  private static String PATH = "/v3/fund-app/mch-transfer/transfer-bills/transfer-bill-no/{transfer_bill_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/merchant/4013070756
32    GetTransferBillByNo client = new GetTransferBillByNo(
33      "填入 商户号",  // 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      "填入 商户API证书序列号", // 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      "填入 商户API证书私钥文件路径", // 商户API证书私钥文件路径，本地文件路径
36      "填入 微信支付公钥ID", // 微信支付公钥ID，如何获取请参考 https://pay.weixin.qq.com/doc/v3/merchant/4013038816
37      "填入 微信支付公钥文件路径" // 微信支付公钥文件路径，本地文件路径
38    );
39
40    GetTransferBillByNoRequest request = new GetTransferBillByNoRequest();
41    request.transferBillNo = "1330000071100999991182020050700019480001";
42    try {
43      TransferBillEntity response = client.run(request);
44
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(GetTransferBillByNoRequest request) {
54    String uri = PATH;
55    uri = uri.replace("{transfer_bill_no}", WXPayUtility.urlEncode(request.transferBillNo));
56
57    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
58    reqBuilder.addHeader("Accept", "application/json");
59    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
60    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo, privateKey, METHOD, uri, null));
61    reqBuilder.method(METHOD, null);
62    Request httpRequest = reqBuilder.build();
63
64    // 发送HTTP请求
65    OkHttpClient client = new OkHttpClient.Builder().build();
66    try (Response httpResponse = client.newCall(httpRequest).execute()) {
67      String respBody = WXPayUtility.extractBody(httpResponse);
68      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
69        // 2XX 成功，验证应答签名
70        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
71            httpResponse.headers(), respBody);
72
73        // 从HTTP应答报文构建返回数据
74        return WXPayUtility.fromJson(respBody, TransferBillEntity.class);
75      } else {
76        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
77      }
78    } catch (IOException e) {
79      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
80    }
81  }
82
83  private final String mchid;
84  private final String certificateSerialNo;
85  private final PrivateKey privateKey;
86  private final String wechatPayPublicKeyId;
87  private final PublicKey wechatPayPublicKey;
88
89  public GetTransferBillByNo(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
90    this.mchid = mchid;
91    this.certificateSerialNo = certificateSerialNo;
92    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
93    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
94    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
95  }
96
97  public static class TransferBillEntity {
98    @SerializedName("mch_id")
99    public String mchId;
100  
101    @SerializedName("out_bill_no")
102    public String outBillNo;
103  
104    @SerializedName("transfer_bill_no")
105    public String transferBillNo;
106  
107    @SerializedName("appid")
108    public String appid;
109  
110    @SerializedName("state")
111    public TransferBillStatus state;
112  
113    @SerializedName("transfer_amount")
114    public Long transferAmount;
115  
116    @SerializedName("transfer_remark")
117    public String transferRemark;
118  
119    @SerializedName("fail_reason")
120    public String failReason;
121  
122    @SerializedName("openid")
123    public String openid;
124  
125    @SerializedName("user_name")
126    public String userName;
127  
128    @SerializedName("create_time")
129    public String createTime;
130  
131    @SerializedName("update_time")
132    public String updateTime;
133  }
134  
135  public enum TransferBillStatus {
136    @SerializedName("ACCEPTED")
137    ACCEPTED,
138    @SerializedName("PROCESSING")
139    PROCESSING,
140    @SerializedName("WAIT_USER_CONFIRM")
141    WAIT_USER_CONFIRM,
142    @SerializedName("TRANSFERING")
143    TRANSFERING,
144    @SerializedName("SUCCESS")
145    SUCCESS,
146    @SerializedName("FAIL")
147    FAIL,
148    @SerializedName("CANCELING")
149    CANCELING,
150    @SerializedName("CANCELLED")
151    CANCELLED
152  }
153  
154  public static class GetTransferBillByNoRequest {
155    @SerializedName("transfer_bill_no")
156    @Expose(serialize = false)
157    public String transferBillNo;
158  }
159  
160}
161

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/merchant/4015119334
5	"encoding/json"
6	"fmt"
7	"net/http"
8	"net/url"
9	"strings"
10)
11
12func main() {
13	// TODO: 请准备商户开发必要参数，参考：https://pay.weixin.qq.com/doc/v3/merchant/4013070756
14	config, err := wxpay_utility.CreateMchConfig(
15		"填入 商户号",           // 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
16		"填入 商户API证书序列号",    // 商户API证书序列号，如何获取请参考https://pay.weixin.qq.com/doc/v3/merchant/4013053053
17		"填入 商户API证书私钥文件路径", // 商户API证书私钥文件路径，本地文件路径
18		"填入 微信支付公钥ID",      // 微信支付公钥ID，如何获取请参考https://pay.weixin.qq.com/doc/v3/merchant/4013038816
19		"填入 微信支付公钥文件路径",    // 微信支付公钥文件路径，本地文件路径
20	)
21	if err != nil {
22		fmt.Println(err)
23		return
24	}
25
26	request := &GetTransferBillByNoRequest{
27		TransferBillNo: wxpay_utility.String("1330000071100999991182020050700019480001"),
28	}
29
30	response, err := GetTransferBillByNo(config, request)
31	if err != nil {
32		fmt.Printf("请求失败: %+v\n", err)
33		// TODO: 请求失败，根据状态码执行不同的处理
34		return
35	}
36
37	// TODO: 请求成功，继续业务逻辑
38	fmt.Printf("请求成功: %+v\n", response)
39}
40
41func GetTransferBillByNo(config *wxpay_utility.MchConfig, request *GetTransferBillByNoRequest) (response *TransferBillEntity, err error) {
42	const (
43		host   = "https://api.mch.weixin.qq.com"
44		method = "GET"
45		path   = "/v3/fund-app/mch-transfer/transfer-bills/transfer-bill-no/{transfer_bill_no}"
46	)
47
48	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
49	if err != nil {
50		return nil, err
51	}
52	reqUrl.Path = strings.Replace(reqUrl.Path, "{transfer_bill_no}", url.PathEscape(*request.TransferBillNo), -1)
53	httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
54	if err != nil {
55		return nil, err
56	}
57	httpRequest.Header.Set("Accept", "application/json")
58	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
59	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.Path, nil)
60	if err != nil {
61		return nil, err
62	}
63	httpRequest.Header.Set("Authorization", authorization)
64
65	client := &http.Client{}
66	httpResponse, err := client.Do(httpRequest)
67	if err != nil {
68		return nil, err
69	}
70
71	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
72	if err != nil {
73		return nil, err
74	}
75
76	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
77		// 2XX 成功，验证应答签名
78		err = wxpay_utility.ValidateResponse(
79			config.WechatPayPublicKeyId(),
80			config.WechatPayPublicKey(),
81			&httpResponse.Header,
82			respBody,
83		)
84		if err != nil {
85			return nil, err
86		}
87
88		if err := json.Unmarshal(respBody, response); err != nil {
89			return nil, err
90		}
91
92		return response, nil
93	} else {
94		return nil, &wxpay_utility.ApiException{
95			StatusCode: httpResponse.StatusCode,
96			Header:     httpResponse.Header,
97			Body:       respBody,
98		}
99	}
100}
101
102type TransferBillEntity struct {
103	MchId          *string             `json:"mch_id,omitempty"`
104	OutBillNo      *string             `json:"out_bill_no,omitempty"`
105	TransferBillNo *string             `json:"transfer_bill_no,omitempty"`
106	Appid          *string             `json:"appid,omitempty"`
107	State          *TransferBillStatus `json:"state,omitempty"`
108	TransferAmount *int64              `json:"transfer_amount,omitempty"`
109	TransferRemark *string             `json:"transfer_remark,omitempty"`
110	FailReason     *string             `json:"fail_reason,omitempty"`
111	Openid         *string             `json:"openid,omitempty"`
112	UserName       *string             `json:"user_name,omitempty"`
113	CreateTime     *string             `json:"create_time,omitempty"`
114	UpdateTime     *string             `json:"update_time,omitempty"`
115}
116
117type TransferBillStatus string
118
119func (e TransferBillStatus) Ptr() *TransferBillStatus {
120	return &e
121}
122
123const (
124	TRANSFERBILLSTATUS_ACCEPTED          TransferBillStatus = "ACCEPTED"
125	TRANSFERBILLSTATUS_PROCESSING        TransferBillStatus = "PROCESSING"
126	TRANSFERBILLSTATUS_WAIT_USER_CONFIRM TransferBillStatus = "WAIT_USER_CONFIRM"
127	TRANSFERBILLSTATUS_TRANSFERING       TransferBillStatus = "TRANSFERING"
128	TRANSFERBILLSTATUS_SUCCESS           TransferBillStatus = "SUCCESS"
129	TRANSFERBILLSTATUS_FAIL              TransferBillStatus = "FAIL"
130	TRANSFERBILLSTATUS_CANCELING         TransferBillStatus = "CANCELING"
131	TRANSFERBILLSTATUS_CANCELLED         TransferBillStatus = "CANCELLED"
132)
133
134type GetTransferBillByNoRequest struct {
135	TransferBillNo *string `json:"transfer_bill_no,omitempty"`
136}
137
138func (o *GetTransferBillByNoRequest) MarshalJSON() ([]byte, error) {
139	type Alias GetTransferBillByNoRequest
140	a := &struct {
141		TransferBillNo *string `json:"transfer_bill_no,omitempty"`
142		*Alias
143	}{
144		// 序列化时移除非 Body 字段
145		TransferBillNo: nil,
146		Alias:          (*Alias)(o),
147	}
148	return json.Marshal(a)
149}

1curl -X GET \
2  https://api.mch.weixin.qq.com/v3/fund-app/mch-transfer/transfer-bills/transfer-bill-no/1330000071100999991182020050700019480001 \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" 
5