申请交易账单

1package com.java.demo;
2
3import com.google.gson.annotations.Expose;
4import com.google.gson.annotations.SerializedName;
5import com.java.utils.WXPayUtility; // 引用微信支付工具库 参考:https://pay.weixin.qq.com/doc/v3/merchant/4014931831
6import java.io.IOException;
7import java.io.UncheckedIOException;
8import java.security.PrivateKey;
9import java.security.PublicKey;
10import java.util.ArrayList;
11import java.util.HashMap;
12import java.util.List;
13import java.util.Map;
14import okhttp3.MediaType;
15import okhttp3.OkHttpClient;
16import okhttp3.Request;
17import okhttp3.RequestBody;
18import okhttp3.Response;
19
20/**
21 * 申请交易账单API
22 */
23public class GetTradeBill {
24  private static String HOST = "https://api.mch.weixin.qq.com";
25  private static String METHOD = "GET";
26  private static String PATH = "/v3/bill/tradebill";
27
28  public static void main(String[] args) {
29    // TODO: 请准备商户开发必要参数，参考：https://pay.weixin.qq.com/doc/v3/merchant/4013070756
30    GetTradeBill client = new GetTradeBill(
31        "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
32        "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
33        "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
34        "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
35        "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
36    );
37
38    GetTradeBillRequest request = new GetTradeBillRequest();
39    request.billDate = "2019-06-11";
40    request.billType = BillType.ALL;
41    request.tarType = TarType.GZIP;
42    try {
43      QueryBillEntity 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 QueryBillEntity run(GetTradeBillRequest request) {
54    String uri = PATH;
55    Map<String, Object> args = new HashMap<>();
56    args.put("bill_date", request.billDate);
57    args.put("bill_type", request.billType);
58    args.put("tar_type", request.tarType);
59    uri = uri + "?" + WXPayUtility.urlEncode(args);
60
61    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
62    reqBuilder.addHeader("Accept", "application/json");
63    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
64    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo, privateKey, METHOD, uri, null));
65    reqBuilder.method(METHOD, null);
66    Request httpRequest = reqBuilder.build();
67
68    // 发送HTTP请求
69    OkHttpClient client = new OkHttpClient.Builder().build();
70    try (Response httpResponse = client.newCall(httpRequest).execute()) {
71      String respBody = WXPayUtility.extractBody(httpResponse);
72      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
73        // 2XX 成功，验证应答签名
74        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
75                                      httpResponse.headers(), respBody);
76
77        // 从HTTP应答报文构建返回数据
78        return WXPayUtility.fromJson(respBody, QueryBillEntity.class);
79      } else {
80        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
81      }
82    } catch (IOException e) {
83      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
84    }
85  }
86
87  private final String mchid;
88  private final String certificateSerialNo;
89  private final PrivateKey privateKey;
90  private final String wechatPayPublicKeyId;
91  private final PublicKey wechatPayPublicKey;
92
93  public GetTradeBill(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
94    this.mchid = mchid;
95    this.certificateSerialNo = certificateSerialNo;
96    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
97    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
98    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
99  }
100
101  public static class QueryBillEntity {
102    @SerializedName("hash_type")
103    public HashType hashType;
104
105    @SerializedName("hash_value")
106    public String hashValue;
107
108    @SerializedName("download_url")
109    public String downloadUrl;
110  }
111
112  public enum BillType {
113    @SerializedName("ALL")
114    ALL,
115    @SerializedName("SUCCESS")
116    SUCCESS,
117    @SerializedName("REFUND")
118    REFUND,
119    @SerializedName("RECHARGE_REFUND")
120    RECHARGE_REFUND,
121    @SerializedName("ALL_SPECIAL")
122    ALL_SPECIAL,
123    @SerializedName("SUC_SPECIAL")
124    SUC_SPECIAL,
125    @SerializedName("REF_SPECIAL")
126    REF_SPECIAL
127  }
128
129  public enum HashType {
130    @SerializedName("SHA1")
131    SHA1
132  }
133
134  public static class GetTradeBillRequest {
135    @SerializedName("bill_date")
136    @Expose(serialize = false)
137    public String billDate;
138
139    @SerializedName("bill_type")
140    @Expose(serialize = false)
141    public BillType billType;
142
143    @SerializedName("tar_type")
144    @Expose(serialize = false)
145    public TarType tarType;
146  }
147
148  public enum TarType {
149    @SerializedName("GZIP")
150    GZIP
151  }
152}

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		"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
15		"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
16		"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
17		"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
18		"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
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	query.Add("bill_date", *request.BillDate)
55	query.Add("bill_type", fmt.Sprintf("%v", *request.BillType))
56	query.Add("tar_type", fmt.Sprintf("%v", *request.TarType))
57	reqUrl.RawQuery = query.Encode()
58	httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
59	if err != nil {
60		return nil, err
61	}
62	httpRequest.Header.Set("Accept", "application/json")
63	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
64	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
65	if err != nil {
66		return nil, err
67	}
68	httpRequest.Header.Set("Authorization", authorization)
69
70	client := &http.Client{}
71	httpResponse, err := client.Do(httpRequest)
72	if err != nil {
73		return nil, err
74	}
75
76	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
77	if err != nil {
78		return nil, err
79	}
80
81	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
82		// 2XX 成功，验证应答签名
83		err = wxpay_utility.ValidateResponse(
84			config.WechatPayPublicKeyId(),
85			config.WechatPayPublicKey(),
86			&httpResponse.Header,
87			respBody,
88		)
89		if err != nil {
90			return nil, err
91		}
92
93		if err := json.Unmarshal(respBody, response); err != nil {
94			return nil, err
95		}
96
97		return response, nil
98	} else {
99		return nil, &wxpay_utility.ApiException{
100			StatusCode: httpResponse.StatusCode,
101			Header:     httpResponse.Header,
102			Body:       respBody,
103		}
104	}
105}
106
107type QueryBillEntity struct {
108	HashType    *HashType `json:"hash_type,omitempty"`
109	HashValue   *string   `json:"hash_value,omitempty"`
110	DownloadUrl *string   `json:"download_url,omitempty"`
111}
112
113type BillType string
114
115func (e BillType) Ptr() *BillType {
116	return &e
117}
118
119const (
120	BILLTYPE_ALL             BillType = "ALL"
121	BILLTYPE_SUCCESS         BillType = "SUCCESS"
122	BILLTYPE_REFUND          BillType = "REFUND"
123	BILLTYPE_RECHARGE_REFUND BillType = "RECHARGE_REFUND"
124	BILLTYPE_ALL_SPECIAL     BillType = "ALL_SPECIAL"
125	BILLTYPE_SUC_SPECIAL     BillType = "SUC_SPECIAL"
126	BILLTYPE_REF_SPECIAL     BillType = "REF_SPECIAL"
127)
128
129type HashType string
130
131func (e HashType) Ptr() *HashType {
132	return &e
133}
134
135const (
136	HASHTYPE_SHA1 HashType = "SHA1"
137)
138
139type GetTradeBillRequest struct {
140	BillDate *string   `json:"bill_date,omitempty"`
141	BillType *BillType `json:"bill_type,omitempty"`
142	TarType  *TarType  `json:"tar_type,omitempty"`
143}
144
145func (o *GetTradeBillRequest) MarshalJSON() ([]byte, error) {
146	type Alias GetTradeBillRequest
147	a := &struct {
148		BillDate *string   `json:"bill_date,omitempty"`
149		BillType *BillType `json:"bill_type,omitempty"`
150		TarType  *TarType  `json:"tar_type,omitempty"`
151		*Alias
152	}{
153		// 序列化时移除非 Body 字段
154		BillDate: nil,
155		BillType: nil,
156		TarType:  nil,
157		Alias:    (*Alias)(o),
158	}
159	return json.Marshal(a)
160}
161
162type TarType string
163
164func (e TarType) Ptr() *TarType {
165	return &e
166}
167
168const (
169	TARTYPE_GZIP TarType = "GZIP"
170)

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