申请交易账单

1curl -X GET \
2  https://api.mch.weixin.qq.com/v3/bill/tradebill?bill_date=2019-06-11&bill_type=ALL&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/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 * 申请交易账单API
24 */
25public class GetTradeBill {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "GET";
28  private static String PATH = "/v3/bill/tradebill";
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    GetTradeBill client = new GetTradeBill(
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/merchant/4013070756
34      "1DDE55AD98Exxxxxxxxxx",         // 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      "/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/merchant/4013038816
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    GetTradeBillRequest request = new GetTradeBillRequest();
41    request.billDate = "2019-06-11";
42    request.billType = BillType.ALL;
43    request.tarType = TarType.GZIP;
44    try {
45      QueryBillEntity response = client.run(request);
46        // TODO: 请求成功，继续业务逻辑
47        System.out.println(response);
48    } catch (WXPayUtility.ApiException e) {
49        // TODO: 请求失败，根据状态码执行不同的逻辑
50        e.printStackTrace();
51    }
52  }
53
54  public QueryBillEntity run(GetTradeBillRequest request) {
55    String uri = PATH;
56    Map<String, Object> args = new HashMap<>();
57    args.put("bill_date", request.billDate);
58    args.put("bill_type", request.billType);
59    args.put("tar_type", request.tarType);
60    String queryString = WXPayUtility.urlEncode(args);
61    if (!queryString.isEmpty()) {
62        uri = uri + "?" + queryString;
63    }
64
65    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
66    reqBuilder.addHeader("Accept", "application/json");
67    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
68    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo, privateKey, METHOD, uri, null));
69    reqBuilder.method(METHOD, null);
70    Request httpRequest = reqBuilder.build();
71
72    // 发送HTTP请求
73    OkHttpClient client = new OkHttpClient.Builder().build();
74    try (Response httpResponse = client.newCall(httpRequest).execute()) {
75      String respBody = WXPayUtility.extractBody(httpResponse);
76      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
77        // 2XX 成功，验证应答签名
78        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
79            httpResponse.headers(), respBody);
80
81        // 从HTTP应答报文构建返回数据
82        return WXPayUtility.fromJson(respBody, QueryBillEntity.class);
83      } else {
84        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
85      }
86    } catch (IOException e) {
87      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
88    }
89  }
90
91  private final String mchid;
92  private final String certificateSerialNo;
93  private final PrivateKey privateKey;
94  private final String wechatPayPublicKeyId;
95  private final PublicKey wechatPayPublicKey;
96
97  public GetTradeBill(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
98    this.mchid = mchid;
99    this.certificateSerialNo = certificateSerialNo;
100    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
101    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
102    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
103  }
104
105  public static class GetTradeBillRequest {
106    @SerializedName("bill_date")
107    @Expose(serialize = false)
108    public String billDate;
109  
110    @SerializedName("bill_type")
111    @Expose(serialize = false)
112    public BillType billType;
113  
114    @SerializedName("tar_type")
115    @Expose(serialize = false)
116    public TarType tarType;
117  }
118  
119  public static class QueryBillEntity {
120    @SerializedName("hash_type")
121    public HashType hashType;
122  
123    @SerializedName("hash_value")
124    public String hashValue;
125  
126    @SerializedName("download_url")
127    public String downloadUrl;
128  }
129  
130  public enum BillType {
131    @SerializedName("ALL")
132    ALL,
133    @SerializedName("SUCCESS")
134    SUCCESS,
135    @SerializedName("REFUND")
136    REFUND
137  }
138  
139  public enum TarType {
140    @SerializedName("GZIP")
141    GZIP
142  }
143  
144  public enum HashType {
145    @SerializedName("SHA1")
146    SHA1
147  }
148  
149}
150

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)
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/merchant/4013070756
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/merchant/4013070756
15		"1DDE55AD98Exxxxxxxxxx",      // 商户API证书序列号，如何获取请参考 https://pay.weixin.qq.com/doc/v3/merchant/4013053053
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/merchant/4013038816
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 := &GetTradeBillRequest{
26		BillDate: wxpay_utility.String("2019-06-11"),
27		BillType: BILLTYPE_ALL.Ptr(),
28		TarType:  TARTYPE_GZIP.Ptr(),
29	}
30
31	response, err := GetTradeBill(config, request)
32	if err != nil {
33		fmt.Printf("请求失败: %+v\n", err)
34		// TODO: 请求失败，根据状态码执行不同的处理
35		return
36	}
37
38	// TODO: 请求成功，继续业务逻辑
39	fmt.Printf("请求成功: %+v\n", response)
40}
41
42func GetTradeBill(config *wxpay_utility.MchConfig, request *GetTradeBillRequest) (response *QueryBillEntity, err error) {
43	const (
44		host   = "https://api.mch.weixin.qq.com"
45		method = "GET"
46		path   = "/v3/bill/tradebill"
47	)
48
49	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
50	if err != nil {
51		return nil, err
52	}
53	query := reqUrl.Query()
54	if request.BillDate != nil {
55		query.Add("bill_date", *request.BillDate)
56	}
57	if request.BillType != nil {
58		query.Add("bill_type", fmt.Sprintf("%v", *request.BillType))
59	}
60	if request.TarType != nil {
61		query.Add("tar_type", fmt.Sprintf("%v", *request.TarType))
62	}
63	reqUrl.RawQuery = query.Encode()
64	httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
65	if err != nil {
66		return nil, err
67	}
68	httpRequest.Header.Set("Accept", "application/json")
69	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
70	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
71	if err != nil {
72		return nil, err
73	}
74	httpRequest.Header.Set("Authorization", authorization)
75
76	client := &http.Client{}
77	httpResponse, err := client.Do(httpRequest)
78	if err != nil {
79		return nil, err
80	}
81	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
82	if err != nil {
83		return nil, err
84	}
85	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
86		// 2XX 成功，验证应答签名
87		err = wxpay_utility.ValidateResponse(
88			config.WechatPayPublicKeyId(),
89			config.WechatPayPublicKey(),
90			&httpResponse.Header,
91			respBody,
92		)
93		if err != nil {
94			return nil, err
95		}
96		response := &QueryBillEntity{}
97		if err := json.Unmarshal(respBody, response); err != nil {
98			return nil, err
99		}
100
101		return response, nil
102	} else {
103		return nil, wxpay_utility.NewApiException(
104			httpResponse.StatusCode,
105			httpResponse.Header,
106			respBody,
107		)
108	}
109}
110
111type GetTradeBillRequest struct {
112	BillDate *string   `json:"bill_date,omitempty"`
113	BillType *BillType `json:"bill_type,omitempty"`
114	TarType  *TarType  `json:"tar_type,omitempty"`
115}
116
117func (o *GetTradeBillRequest) MarshalJSON() ([]byte, error) {
118	type Alias GetTradeBillRequest
119	a := &struct {
120		BillDate *string   `json:"bill_date,omitempty"`
121		BillType *BillType `json:"bill_type,omitempty"`
122		TarType  *TarType  `json:"tar_type,omitempty"`
123		*Alias
124	}{
125		// 序列化时移除非 Body 字段
126		BillDate: nil,
127		BillType: nil,
128		TarType:  nil,
129		Alias:    (*Alias)(o),
130	}
131	return json.Marshal(a)
132}
133
134type QueryBillEntity struct {
135	HashType    *HashType `json:"hash_type,omitempty"`
136	HashValue   *string   `json:"hash_value,omitempty"`
137	DownloadUrl *string   `json:"download_url,omitempty"`
138}
139
140type BillType string
141
142func (e BillType) Ptr() *BillType {
143	return &e
144}
145
146const (
147	BILLTYPE_ALL     BillType = "ALL"
148	BILLTYPE_SUCCESS BillType = "SUCCESS"
149	BILLTYPE_REFUND  BillType = "REFUND"
150)
151
152type TarType string
153
154func (e TarType) Ptr() *TarType {
155	return &e
156}
157
158const (
159	TARTYPE_GZIP TarType = "GZIP"
160)
161
162type HashType string
163
164func (e HashType) Ptr() *HashType {
165	return &e
166}
167
168const (
169	HASHTYPE_SHA1 HashType = "SHA1"
170)
171