申请单个子商户资金账单

1curl -X GET \
2  https://api.mch.weixin.qq.com/v3/bill/sub-merchant-fundflowbill?sub_mchid=19000000001&bill_date=2019-06-11&account_type=BASIC&algorithm=AEAD_AES_256_GCM&tar_type=GZIP \
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 * 申请单个子商户资金账单API
24 */
25public class GetSingleSubMchFundFlowBill {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "GET";
28  private static String PATH = "/v3/bill/sub-merchant-fundflowbill";
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    GetSingleSubMchFundFlowBill client = new GetSingleSubMchFundFlowBill(
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    GetSingleSubMchFundFlowBillRequest request = new GetSingleSubMchFundFlowBillRequest();
41    request.subMchid = "19000000001";
42    request.billDate = "2019-06-11";
43    request.accountType = SubMchFundFlowBillAccountType.BASIC;
44    request.algorithm = Algorithm.AEAD_AES_256_GCM;
45    request.tarType = TarType.GZIP;
46    try {
47      QueryEncryptBillEntity response = client.run(request);
48        // TODO: 请求成功，继续业务逻辑
49        System.out.println(response);
50    } catch (WXPayUtility.ApiException e) {
51        // TODO: 请求失败，根据状态码执行不同的逻辑
52        e.printStackTrace();
53    }
54  }
55
56  public QueryEncryptBillEntity run(GetSingleSubMchFundFlowBillRequest request) {
57    String uri = PATH;
58    Map<String, Object> args = new HashMap<>();
59    args.put("sub_mchid", request.subMchid);
60    args.put("bill_date", request.billDate);
61    args.put("account_type", request.accountType);
62    args.put("algorithm", request.algorithm);
63    args.put("tar_type", request.tarType);
64    String queryString = WXPayUtility.urlEncode(args);
65    if (!queryString.isEmpty()) {
66        uri = uri + "?" + queryString;
67    }
68
69    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
70    reqBuilder.addHeader("Accept", "application/json");
71    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
72    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo, privateKey, METHOD, uri, null));
73    reqBuilder.method(METHOD, null);
74    Request httpRequest = reqBuilder.build();
75
76    // 发送HTTP请求
77    OkHttpClient client = new OkHttpClient.Builder().build();
78    try (Response httpResponse = client.newCall(httpRequest).execute()) {
79      String respBody = WXPayUtility.extractBody(httpResponse);
80      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
81        // 2XX 成功，验证应答签名
82        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
83            httpResponse.headers(), respBody);
84
85        // 从HTTP应答报文构建返回数据
86        return WXPayUtility.fromJson(respBody, QueryEncryptBillEntity.class);
87      } else {
88        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
89      }
90    } catch (IOException e) {
91      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
92    }
93  }
94
95  private final String mchid;
96  private final String certificateSerialNo;
97  private final PrivateKey privateKey;
98  private final String wechatPayPublicKeyId;
99  private final PublicKey wechatPayPublicKey;
100
101  public GetSingleSubMchFundFlowBill(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
102    this.mchid = mchid;
103    this.certificateSerialNo = certificateSerialNo;
104    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
105    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
106    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
107  }
108
109  public static class GetSingleSubMchFundFlowBillRequest {
110    @SerializedName("sub_mchid")
111    @Expose(serialize = false)
112    public String subMchid;
113  
114    @SerializedName("bill_date")
115    @Expose(serialize = false)
116    public String billDate;
117  
118    @SerializedName("account_type")
119    @Expose(serialize = false)
120    public SubMchFundFlowBillAccountType accountType;
121  
122    @SerializedName("algorithm")
123    @Expose(serialize = false)
124    public Algorithm algorithm;
125  
126    @SerializedName("tar_type")
127    @Expose(serialize = false)
128    public TarType tarType;
129  }
130  
131  public static class QueryEncryptBillEntity {
132    @SerializedName("download_bill_count")
133    public Long downloadBillCount;
134  
135    @SerializedName("download_bill_list")
136    public List<EncryptBillEntity> downloadBillList;
137  }
138  
139  public enum SubMchFundFlowBillAccountType {
140    @SerializedName("BASIC")
141    BASIC,
142    @SerializedName("OPERATION")
143    OPERATION,
144    @SerializedName("FEES")
145    FEES,
146    @SerializedName("DEPOSIT")
147    DEPOSIT
148  }
149  
150  public enum Algorithm {
151    @SerializedName("AEAD_AES_256_GCM")
152    AEAD_AES_256_GCM,
153    @SerializedName("SM4_GCM")
154    SM4_GCM
155  }
156  
157  public enum TarType {
158    @SerializedName("GZIP")
159    GZIP
160  }
161  
162  public static class EncryptBillEntity {
163    @SerializedName("bill_sequence")
164    public Long billSequence;
165  
166    @SerializedName("hash_type")
167    public HashType hashType;
168  
169    @SerializedName("hash_value")
170    public String hashValue;
171  
172    @SerializedName("download_url")
173    public String downloadUrl;
174  
175    @SerializedName("encrypt_key")
176    public String encryptKey;
177  
178    @SerializedName("nonce")
179    public String nonce;
180  }
181  
182  public enum HashType {
183    @SerializedName("SHA1")
184    SHA1
185  }
186  
187}
188

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)
10
11func main() {
12	// TODO: 请准备商户开发必要参数，参考：https://pay.weixin.qq.com/doc/v3/partner/4013080340
13	config, err := wxpay_utility.CreateMchConfig(
14		"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
15		"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
16		"/path/to/apiclient_key.pem", // 商户API证书私钥文件路径，本地文件路径
17		"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
18		"/path/to/wxp_pub.pem",       // 微信支付公钥文件路径，本地文件路径
19	)
20	if err != nil {
21		fmt.Println(err)
22		return
23	}
24
25	request := &GetSingleSubMchFundFlowBillRequest{
26		SubMchid:    wxpay_utility.String("19000000001"),
27		BillDate:    wxpay_utility.String("2019-06-11"),
28		AccountType: SUBMCHFUNDFLOWBILLACCOUNTTYPE_BASIC.Ptr(),
29		Algorithm:   ALGORITHM_AEAD_AES_256_GCM.Ptr(),
30		TarType:     TARTYPE_GZIP.Ptr(),
31	}
32
33	response, err := GetSingleSubMchFundFlowBill(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 GetSingleSubMchFundFlowBill(config *wxpay_utility.MchConfig, request *GetSingleSubMchFundFlowBillRequest) (response *QueryEncryptBillEntity, err error) {
45	const (
46		host   = "https://api.mch.weixin.qq.com"
47		method = "GET"
48		path   = "/v3/bill/sub-merchant-fundflowbill"
49	)
50
51	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
52	if err != nil {
53		return nil, err
54	}
55	query := reqUrl.Query()
56	if request.SubMchid != nil {
57		query.Add("sub_mchid", *request.SubMchid)
58	}
59	if request.BillDate != nil {
60		query.Add("bill_date", *request.BillDate)
61	}
62	if request.AccountType != nil {
63		query.Add("account_type", fmt.Sprintf("%v", *request.AccountType))
64	}
65	if request.Algorithm != nil {
66		query.Add("algorithm", fmt.Sprintf("%v", *request.Algorithm))
67	}
68	if request.TarType != nil {
69		query.Add("tar_type", fmt.Sprintf("%v", *request.TarType))
70	}
71	reqUrl.RawQuery = query.Encode()
72	httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
73	if err != nil {
74		return nil, err
75	}
76	httpRequest.Header.Set("Accept", "application/json")
77	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
78	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
79	if err != nil {
80		return nil, err
81	}
82	httpRequest.Header.Set("Authorization", authorization)
83
84	client := &http.Client{}
85	httpResponse, err := client.Do(httpRequest)
86	if err != nil {
87		return nil, err
88	}
89	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
90	if err != nil {
91		return nil, err
92	}
93	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
94		// 2XX 成功，验证应答签名
95		err = wxpay_utility.ValidateResponse(
96			config.WechatPayPublicKeyId(),
97			config.WechatPayPublicKey(),
98			&httpResponse.Header,
99			respBody,
100		)
101		if err != nil {
102			return nil, err
103		}
104		response := &QueryEncryptBillEntity{}
105		if err := json.Unmarshal(respBody, response); err != nil {
106			return nil, err
107		}
108
109		return response, nil
110	} else {
111		return nil, wxpay_utility.NewApiException(
112			httpResponse.StatusCode,
113			httpResponse.Header,
114			respBody,
115		)
116	}
117}
118
119type GetSingleSubMchFundFlowBillRequest struct {
120	SubMchid    *string                        `json:"sub_mchid,omitempty"`
121	BillDate    *string                        `json:"bill_date,omitempty"`
122	AccountType *SubMchFundFlowBillAccountType `json:"account_type,omitempty"`
123	Algorithm   *Algorithm                     `json:"algorithm,omitempty"`
124	TarType     *TarType                       `json:"tar_type,omitempty"`
125}
126
127func (o *GetSingleSubMchFundFlowBillRequest) MarshalJSON() ([]byte, error) {
128	type Alias GetSingleSubMchFundFlowBillRequest
129	a := &struct {
130		SubMchid    *string                        `json:"sub_mchid,omitempty"`
131		BillDate    *string                        `json:"bill_date,omitempty"`
132		AccountType *SubMchFundFlowBillAccountType `json:"account_type,omitempty"`
133		Algorithm   *Algorithm                     `json:"algorithm,omitempty"`
134		TarType     *TarType                       `json:"tar_type,omitempty"`
135		*Alias
136	}{
137		// 序列化时移除非 Body 字段
138		SubMchid:    nil,
139		BillDate:    nil,
140		AccountType: nil,
141		Algorithm:   nil,
142		TarType:     nil,
143		Alias:       (*Alias)(o),
144	}
145	return json.Marshal(a)
146}
147
148type QueryEncryptBillEntity struct {
149	DownloadBillCount *int64              `json:"download_bill_count,omitempty"`
150	DownloadBillList  []EncryptBillEntity `json:"download_bill_list,omitempty"`
151}
152
153type SubMchFundFlowBillAccountType string
154
155func (e SubMchFundFlowBillAccountType) Ptr() *SubMchFundFlowBillAccountType {
156	return &e
157}
158
159const (
160	SUBMCHFUNDFLOWBILLACCOUNTTYPE_BASIC     SubMchFundFlowBillAccountType = "BASIC"
161	SUBMCHFUNDFLOWBILLACCOUNTTYPE_OPERATION SubMchFundFlowBillAccountType = "OPERATION"
162	SUBMCHFUNDFLOWBILLACCOUNTTYPE_FEES      SubMchFundFlowBillAccountType = "FEES"
163	SUBMCHFUNDFLOWBILLACCOUNTTYPE_DEPOSIT   SubMchFundFlowBillAccountType = "DEPOSIT"
164)
165
166type Algorithm string
167
168func (e Algorithm) Ptr() *Algorithm {
169	return &e
170}
171
172const (
173	ALGORITHM_AEAD_AES_256_GCM Algorithm = "AEAD_AES_256_GCM"
174	ALGORITHM_SM4_GCM          Algorithm = "SM4_GCM"
175)
176
177type TarType string
178
179func (e TarType) Ptr() *TarType {
180	return &e
181}
182
183const (
184	TARTYPE_GZIP TarType = "GZIP"
185)
186
187type EncryptBillEntity struct {
188	BillSequence *int64    `json:"bill_sequence,omitempty"`
189	HashType     *HashType `json:"hash_type,omitempty"`
190	HashValue    *string   `json:"hash_value,omitempty"`
191	DownloadUrl  *string   `json:"download_url,omitempty"`
192	EncryptKey   *string   `json:"encrypt_key,omitempty"`
193	Nonce        *string   `json:"nonce,omitempty"`
194}
195
196type HashType string
197
198func (e HashType) Ptr() *HashType {
199	return &e
200}
201
202const (
203	HASHTYPE_SHA1 HashType = "SHA1"
204)
205