查询特殊减额结果

1curl -X GET \
2  https://api.mch.weixin.qq.com/v3/aggracct-bc/wb-channel/special-reduction/htozr8denqegbt6tk6u10iymo7yww5pn?mchid=1900016681&bal_account_no=8609cb22e1774a50a930e414cc71eca06121bcd266335cda230d24a7886a8d9f \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" \
5  -H "Wechatpay-Serial: 5157F09EFDC096DE15EBE81A47057A7232F1B8E1"  
6

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 * 查询特殊减额结果
24 */
25public class QuerySpecialReduction {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "GET";
28  private static String PATH = "/v3/aggracct-bc/wb-channel/special-reduction/{out_request_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    QuerySpecialReduction client = new QuerySpecialReduction(
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    QuerySpecialReductionRequest request = new QuerySpecialReductionRequest();
41    request.outRequestNo = "htozr8denqegbt6tk6u10iymo7yww5pn";
42    request.mchid = "1900016681";
43    request.balAccountNo = "8609cb22e1774a50a930e414cc71eca06121bcd266335cda230d24a7886a8d9f";
44    try {
45      SpecialReduction 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 SpecialReduction run(QuerySpecialReductionRequest request) {
55    String uri = PATH;
56    uri = uri.replace("{out_request_no}", WXPayUtility.urlEncode(request.outRequestNo));
57    Map<String, Object> args = new HashMap<>();
58    args.put("mchid", request.mchid);
59    args.put("bal_account_no", request.balAccountNo);
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, SpecialReduction.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 QuerySpecialReduction(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 String encrypt(String plainText) {
106    return WXPayUtility.encrypt(this.wechatPayPublicKey, plainText);
107  }
108
109  public static class QuerySpecialReductionRequest {
110    @SerializedName("out_request_no")
111    @Expose(serialize = false)
112    public String outRequestNo;
113  
114    @SerializedName("mchid")
115    @Expose(serialize = false)
116    public String mchid;
117  
118    @SerializedName("bal_account_no")
119    @Expose(serialize = false)
120    public String balAccountNo;
121  }
122  
123  public static class SpecialReduction {
124    @SerializedName("mchid")
125    public String mchid;
126  
127    @SerializedName("bal_account_no")
128    public String balAccountNo;
129  
130    @SerializedName("out_request_no")
131    public String outRequestNo;
132  
133    @SerializedName("reduction_type")
134    public SpecialReductionType reductionType;
135  
136    @SerializedName("amount")
137    public Long amount;
138  
139    @SerializedName("state")
140    public SpecialReductionState state;
141  
142    @SerializedName("reason")
143    public String reason;
144  
145    @SerializedName("quota_change_no")
146    public String quotaChangeNo;
147  
148    @SerializedName("success_time")
149    public String successTime;
150  
151    @SerializedName("fail_time")
152    public String failTime;
153  
154    @SerializedName("fail_reason")
155    public SpecialReductionFailReason failReason;
156  }
157  
158  public enum SpecialReductionType {
159    @SerializedName("REDUCTION_TYPE_UNKNOWN")
160    REDUCTION_TYPE_UNKNOWN,
161    @SerializedName("FINANCIAL_PENALTY")
162    FINANCIAL_PENALTY,
163    @SerializedName("JUDICIAL_DEDUCTION")
164    JUDICIAL_DEDUCTION
165  }
166  
167  public enum SpecialReductionState {
168    @SerializedName("STATE_UNKNOWN")
169    STATE_UNKNOWN,
170    @SerializedName("PROCESSING")
171    PROCESSING,
172    @SerializedName("SUCCESS")
173    SUCCESS,
174    @SerializedName("FAILED")
175    FAILED
176  }
177  
178  public enum SpecialReductionFailReason {
179    @SerializedName("FAIL_REASON_UNKNOWN")
180    FAIL_REASON_UNKNOWN,
181    @SerializedName("BALANCE_NOT_ENOUGH")
182    BALANCE_NOT_ENOUGH,
183    @SerializedName("RECEIPT_NOT_EXIST")
184    RECEIPT_NOT_EXIST,
185    @SerializedName("TIME_OUT_CLOSED")
186    TIME_OUT_CLOSED
187  }
188  
189}
190

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		"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
16		"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
17		"/path/to/apiclient_key.pem", // 商户API证书私钥文件路径，本地文件路径
18		"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
19		"/path/to/wxp_pub.pem",       // 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 := &QuerySpecialReductionRequest{
27		OutRequestNo: wxpay_utility.String("htozr8denqegbt6tk6u10iymo7yww5pn"),
28		Mchid:        wxpay_utility.String("1900016681"),
29		BalAccountNo: wxpay_utility.String("8609cb22e1774a50a930e414cc71eca06121bcd266335cda230d24a7886a8d9f"),
30	}
31
32	response, err := QuerySpecialReduction(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 QuerySpecialReduction(config *wxpay_utility.MchConfig, request *QuerySpecialReductionRequest) (response *SpecialReduction, err error) {
44	const (
45		host   = "https://api.mch.weixin.qq.com"
46		method = "GET"
47		path   = "/v3/aggracct-bc/wb-channel/special-reduction/{out_request_no}"
48	)
49
50	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
51	if err != nil {
52		return nil, err
53	}
54	reqUrl.Path = strings.Replace(reqUrl.Path, "{out_request_no}", url.PathEscape(*request.OutRequestNo), -1)
55	query := reqUrl.Query()
56	if request.Mchid != nil {
57		query.Add("mchid", *request.Mchid)
58	}
59	if request.BalAccountNo != nil {
60		query.Add("bal_account_no", *request.BalAccountNo)
61	}
62	reqUrl.RawQuery = query.Encode()
63	httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
64	if err != nil {
65		return nil, err
66	}
67	httpRequest.Header.Set("Accept", "application/json")
68	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
69	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
70	if err != nil {
71		return nil, err
72	}
73	httpRequest.Header.Set("Authorization", authorization)
74
75	client := &http.Client{}
76	httpResponse, err := client.Do(httpRequest)
77	if err != nil {
78		return nil, err
79	}
80	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
81	if err != nil {
82		return nil, err
83	}
84	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
85		// 2XX 成功，验证应答签名
86		err = wxpay_utility.ValidateResponse(
87			config.WechatPayPublicKeyId(),
88			config.WechatPayPublicKey(),
89			&httpResponse.Header,
90			respBody,
91		)
92		if err != nil {
93			return nil, err
94		}
95		response := &SpecialReduction{}
96		if err := json.Unmarshal(respBody, response); err != nil {
97			return nil, err
98		}
99
100		return response, nil
101	} else {
102		return nil, wxpay_utility.NewApiException(
103			httpResponse.StatusCode,
104			httpResponse.Header,
105			respBody,
106		)
107	}
108}
109
110type QuerySpecialReductionRequest struct {
111	OutRequestNo *string `json:"out_request_no,omitempty"`
112	Mchid        *string `json:"mchid,omitempty"`
113	BalAccountNo *string `json:"bal_account_no,omitempty"`
114}
115
116func (o *QuerySpecialReductionRequest) MarshalJSON() ([]byte, error) {
117	type Alias QuerySpecialReductionRequest
118	a := &struct {
119		OutRequestNo *string `json:"out_request_no,omitempty"`
120		Mchid        *string `json:"mchid,omitempty"`
121		BalAccountNo *string `json:"bal_account_no,omitempty"`
122		*Alias
123	}{
124		// 序列化时移除非 Body 字段
125		OutRequestNo: nil,
126		Mchid:        nil,
127		BalAccountNo: nil,
128		Alias:        (*Alias)(o),
129	}
130	return json.Marshal(a)
131}
132
133type SpecialReduction struct {
134	Mchid         *string                     `json:"mchid,omitempty"`
135	BalAccountNo  *string                     `json:"bal_account_no,omitempty"`
136	OutRequestNo  *string                     `json:"out_request_no,omitempty"`
137	ReductionType *SpecialReductionType       `json:"reduction_type,omitempty"`
138	Amount        *int64                      `json:"amount,omitempty"`
139	State         *SpecialReductionState      `json:"state,omitempty"`
140	Reason        *string                     `json:"reason,omitempty"`
141	QuotaChangeNo *string                     `json:"quota_change_no,omitempty"`
142	SuccessTime   *string                     `json:"success_time,omitempty"`
143	FailTime      *string                     `json:"fail_time,omitempty"`
144	FailReason    *SpecialReductionFailReason `json:"fail_reason,omitempty"`
145}
146
147type SpecialReductionType string
148
149func (e SpecialReductionType) Ptr() *SpecialReductionType {
150	return &e
151}
152
153const (
154	SPECIALREDUCTIONTYPE_REDUCTION_TYPE_UNKNOWN SpecialReductionType = "REDUCTION_TYPE_UNKNOWN"
155	SPECIALREDUCTIONTYPE_FINANCIAL_PENALTY      SpecialReductionType = "FINANCIAL_PENALTY"
156	SPECIALREDUCTIONTYPE_JUDICIAL_DEDUCTION     SpecialReductionType = "JUDICIAL_DEDUCTION"
157)
158
159type SpecialReductionState string
160
161func (e SpecialReductionState) Ptr() *SpecialReductionState {
162	return &e
163}
164
165const (
166	SPECIALREDUCTIONSTATE_STATE_UNKNOWN SpecialReductionState = "STATE_UNKNOWN"
167	SPECIALREDUCTIONSTATE_PROCESSING    SpecialReductionState = "PROCESSING"
168	SPECIALREDUCTIONSTATE_SUCCESS       SpecialReductionState = "SUCCESS"
169	SPECIALREDUCTIONSTATE_FAILED        SpecialReductionState = "FAILED"
170)
171
172type SpecialReductionFailReason string
173
174func (e SpecialReductionFailReason) Ptr() *SpecialReductionFailReason {
175	return &e
176}
177
178const (
179	SPECIALREDUCTIONFAILREASON_FAIL_REASON_UNKNOWN SpecialReductionFailReason = "FAIL_REASON_UNKNOWN"
180	SPECIALREDUCTIONFAILREASON_BALANCE_NOT_ENOUGH  SpecialReductionFailReason = "BALANCE_NOT_ENOUGH"
181	SPECIALREDUCTIONFAILREASON_RECEIPT_NOT_EXIST   SpecialReductionFailReason = "RECEIPT_NOT_EXIST"
182	SPECIALREDUCTIONFAILREASON_TIME_OUT_CLOSED     SpecialReductionFailReason = "TIME_OUT_CLOSED"
183)
184