申请二级商户资金账单

1curl -X GET \
2  https://api.mch.weixin.qq.com/v3/ecommerce/bill/fundflowbill?bill_date=2019-06-11&account_type=ALL&tar_type=GZIP&algorithm=AEAD_AES_256_GCM \
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 * 申请二级商户资金账单API
24 */
25public class GetAllSubMchFundFlowBill {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "GET";
28  private static String PATH = "/v3/ecommerce/bill/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    GetAllSubMchFundFlowBill client = new GetAllSubMchFundFlowBill(
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    GetAllSubMchFundFlowBillRequest request = new GetAllSubMchFundFlowBillRequest();
41    request.billDate = "2019-06-11";
42    request.accountType = SubMerchantFundFlowBillAccountType.ALL;
43    request.tarType = TarType.GZIP;
44    request.algorithm = Algorithm.AEAD_AES_256_GCM;
45    try {
46      QueryEncryptBillEntity response = client.run(request);
47        // TODO: 请求成功，继续业务逻辑
48        System.out.println(response);
49    } catch (WXPayUtility.ApiException e) {
50        // TODO: 请求失败，根据状态码执行不同的逻辑
51        e.printStackTrace();
52    }
53  }
54
55  public QueryEncryptBillEntity run(GetAllSubMchFundFlowBillRequest request) {
56    String uri = PATH;
57    Map<String, Object> args = new HashMap<>();
58    args.put("bill_date", request.billDate);
59    args.put("account_type", request.accountType);
60    args.put("tar_type", request.tarType);
61    args.put("algorithm", request.algorithm);
62    String queryString = WXPayUtility.urlEncode(args);
63    if (!queryString.isEmpty()) {
64        uri = uri + "?" + queryString;
65    }
66
67    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
68    reqBuilder.addHeader("Accept", "application/json");
69    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
70    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo, privateKey, METHOD, uri, null));
71    reqBuilder.method(METHOD, null);
72    Request httpRequest = reqBuilder.build();
73
74    // 发送HTTP请求
75    OkHttpClient client = new OkHttpClient.Builder().build();
76    try (Response httpResponse = client.newCall(httpRequest).execute()) {
77      String respBody = WXPayUtility.extractBody(httpResponse);
78      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
79        // 2XX 成功，验证应答签名
80        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
81            httpResponse.headers(), respBody);
82
83        // 从HTTP应答报文构建返回数据
84        return WXPayUtility.fromJson(respBody, QueryEncryptBillEntity.class);
85      } else {
86        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
87      }
88    } catch (IOException e) {
89      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
90    }
91  }
92
93  private final String mchid;
94  private final String certificateSerialNo;
95  private final PrivateKey privateKey;
96  private final String wechatPayPublicKeyId;
97  private final PublicKey wechatPayPublicKey;
98
99  public GetAllSubMchFundFlowBill(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
100    this.mchid = mchid;
101    this.certificateSerialNo = certificateSerialNo;
102    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
103    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
104    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
105  }
106
107  public static class GetAllSubMchFundFlowBillRequest {
108    @SerializedName("bill_date")
109    @Expose(serialize = false)
110    public String billDate;
111  
112    @SerializedName("account_type")
113    @Expose(serialize = false)
114    public SubMerchantFundFlowBillAccountType accountType;
115  
116    @SerializedName("tar_type")
117    @Expose(serialize = false)
118    public TarType tarType;
119  
120    @SerializedName("algorithm")
121    @Expose(serialize = false)
122    public Algorithm algorithm;
123  }
124  
125  public static class QueryEncryptBillEntity {
126    @SerializedName("download_bill_count")
127    public Long downloadBillCount;
128  
129    @SerializedName("download_bill_list")
130    public List<EncryptBillEntity> downloadBillList;
131  }
132  
133  public enum SubMerchantFundFlowBillAccountType {
134    @SerializedName("ALL")
135    ALL
136  }
137  
138  public enum TarType {
139    @SerializedName("GZIP")
140    GZIP
141  }
142  
143  public enum Algorithm {
144    @SerializedName("AEAD_AES_256_GCM")
145    AEAD_AES_256_GCM,
146    @SerializedName("SM4_GCM")
147    SM4_GCM
148  }
149  
150  public static class EncryptBillEntity {
151    @SerializedName("bill_sequence")
152    public Long billSequence;
153  
154    @SerializedName("hash_type")
155    public HashType hashType;
156  
157    @SerializedName("hash_value")
158    public String hashValue;
159  
160    @SerializedName("download_url")
161    public String downloadUrl;
162  
163    @SerializedName("encrypt_key")
164    public String encryptKey;
165  
166    @SerializedName("nonce")
167    public String nonce;
168  }
169  
170  public enum HashType {
171    @SerializedName("SHA1")
172    SHA1
173  }
174  
175}
176

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 := &GetAllSubMchFundFlowBillRequest{
26		BillDate:    wxpay_utility.String("2019-06-11"),
27		AccountType: SUBMERCHANTFUNDFLOWBILLACCOUNTTYPE_ALL.Ptr(),
28		TarType:     TARTYPE_GZIP.Ptr(),
29		Algorithm:   ALGORITHM_AEAD_AES_256_GCM.Ptr(),
30	}
31
32	response, err := GetAllSubMchFundFlowBill(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 GetAllSubMchFundFlowBill(config *wxpay_utility.MchConfig, request *GetAllSubMchFundFlowBillRequest) (response *QueryEncryptBillEntity, err error) {
44	const (
45		host   = "https://api.mch.weixin.qq.com"
46		method = "GET"
47		path   = "/v3/ecommerce/bill/fundflowbill"
48	)
49
50	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
51	if err != nil {
52		return nil, err
53	}
54	query := reqUrl.Query()
55	if request.BillDate != nil {
56		query.Add("bill_date", *request.BillDate)
57	}
58	if request.AccountType != nil {
59		query.Add("account_type", fmt.Sprintf("%v", *request.AccountType))
60	}
61	if request.TarType != nil {
62		query.Add("tar_type", fmt.Sprintf("%v", *request.TarType))
63	}
64	if request.Algorithm != nil {
65		query.Add("algorithm", fmt.Sprintf("%v", *request.Algorithm))
66	}
67	reqUrl.RawQuery = query.Encode()
68	httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
69	if err != nil {
70		return nil, err
71	}
72	httpRequest.Header.Set("Accept", "application/json")
73	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
74	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
75	if err != nil {
76		return nil, err
77	}
78	httpRequest.Header.Set("Authorization", authorization)
79
80	client := &http.Client{}
81	httpResponse, err := client.Do(httpRequest)
82	if err != nil {
83		return nil, err
84	}
85	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
86	if err != nil {
87		return nil, err
88	}
89	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
90		// 2XX 成功，验证应答签名
91		err = wxpay_utility.ValidateResponse(
92			config.WechatPayPublicKeyId(),
93			config.WechatPayPublicKey(),
94			&httpResponse.Header,
95			respBody,
96		)
97		if err != nil {
98			return nil, err
99		}
100		response := &QueryEncryptBillEntity{}
101		if err := json.Unmarshal(respBody, response); err != nil {
102			return nil, err
103		}
104
105		return response, nil
106	} else {
107		return nil, wxpay_utility.NewApiException(
108			httpResponse.StatusCode,
109			httpResponse.Header,
110			respBody,
111		)
112	}
113}
114
115type GetAllSubMchFundFlowBillRequest struct {
116	BillDate    *string                             `json:"bill_date,omitempty"`
117	AccountType *SubMerchantFundFlowBillAccountType `json:"account_type,omitempty"`
118	TarType     *TarType                            `json:"tar_type,omitempty"`
119	Algorithm   *Algorithm                          `json:"algorithm,omitempty"`
120}
121
122func (o *GetAllSubMchFundFlowBillRequest) MarshalJSON() ([]byte, error) {
123	type Alias GetAllSubMchFundFlowBillRequest
124	a := &struct {
125		BillDate    *string                             `json:"bill_date,omitempty"`
126		AccountType *SubMerchantFundFlowBillAccountType `json:"account_type,omitempty"`
127		TarType     *TarType                            `json:"tar_type,omitempty"`
128		Algorithm   *Algorithm                          `json:"algorithm,omitempty"`
129		*Alias
130	}{
131		// 序列化时移除非 Body 字段
132		BillDate:    nil,
133		AccountType: nil,
134		TarType:     nil,
135		Algorithm:   nil,
136		Alias:       (*Alias)(o),
137	}
138	return json.Marshal(a)
139}
140
141type QueryEncryptBillEntity struct {
142	DownloadBillCount *int64              `json:"download_bill_count,omitempty"`
143	DownloadBillList  []EncryptBillEntity `json:"download_bill_list,omitempty"`
144}
145
146type SubMerchantFundFlowBillAccountType string
147
148func (e SubMerchantFundFlowBillAccountType) Ptr() *SubMerchantFundFlowBillAccountType {
149	return &e
150}
151
152const (
153	SUBMERCHANTFUNDFLOWBILLACCOUNTTYPE_ALL SubMerchantFundFlowBillAccountType = "ALL"
154)
155
156type TarType string
157
158func (e TarType) Ptr() *TarType {
159	return &e
160}
161
162const (
163	TARTYPE_GZIP TarType = "GZIP"
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 EncryptBillEntity struct {
178	BillSequence *int64    `json:"bill_sequence,omitempty"`
179	HashType     *HashType `json:"hash_type,omitempty"`
180	HashValue    *string   `json:"hash_value,omitempty"`
181	DownloadUrl  *string   `json:"download_url,omitempty"`
182	EncryptKey   *string   `json:"encrypt_key,omitempty"`
183	Nonce        *string   `json:"nonce,omitempty"`
184}
185
186type HashType string
187
188func (e HashType) Ptr() *HashType {
189	return &e
190}
191
192const (
193	HASHTYPE_SHA1 HashType = "SHA1"
194)
195