查询车牌服务开通信息

1curl -X GET \
2  https://api.mch.weixin.qq.com/v3/vehicle/parking/services/find?appid=wxcbda96de0b165486&sub_mchid=1900000109&plate_number=粤B888888&plate_color=BLUE&openid=oUpF8uMuAJOM2pxb1Q \
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 * 查询车牌服务开通信息
24 */
25public class QueryPlateService {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "GET";
28  private static String PATH = "/v3/vehicle/parking/services/find";
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    QueryPlateService client = new QueryPlateService(
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    QueryPlateServiceRequest request = new QueryPlateServiceRequest();
41    request.appid = "wxcbda96de0b165486";
42    request.subMchid = "1900000109";
43    request.plateNumber = "粤B888888";
44    request.plateColor = PlateColor.BLUE;
45    request.openid = "oUpF8uMuAJOM2pxb1Q";
46    try {
47      PlateService 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 PlateService run(QueryPlateServiceRequest request) {
57    String uri = PATH;
58    Map<String, Object> args = new HashMap<>();
59    args.put("appid", request.appid);
60    args.put("sub_mchid", request.subMchid);
61    args.put("plate_number", request.plateNumber);
62    args.put("plate_color", request.plateColor);
63    args.put("openid", request.openid);
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, PlateService.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 QueryPlateService(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 QueryPlateServiceRequest {
110    @SerializedName("appid")
111    @Expose(serialize = false)
112    public String appid;
113  
114    @SerializedName("sub_mchid")
115    @Expose(serialize = false)
116    public String subMchid;
117  
118    @SerializedName("plate_number")
119    @Expose(serialize = false)
120    public String plateNumber;
121  
122    @SerializedName("openid")
123    @Expose(serialize = false)
124    public String openid;
125  
126    @SerializedName("plate_color")
127    @Expose(serialize = false)
128    public PlateColor plateColor;
129  }
130  
131  public static class PlateService {
132    @SerializedName("plate_number")
133    public String plateNumber;
134  
135    @SerializedName("plate_color")
136    public PlateColor plateColor;
137  
138    @SerializedName("service_open_time")
139    public String serviceOpenTime;
140  
141    @SerializedName("openid")
142    public String openid;
143  
144    @SerializedName("service_state")
145    public String serviceState;
146  }
147  
148  public enum PlateColor {
149    @SerializedName("BLUE")
150    BLUE,
151    @SerializedName("GREEN")
152    GREEN,
153    @SerializedName("YELLOW")
154    YELLOW,
155    @SerializedName("BLACK")
156    BLACK,
157    @SerializedName("WHITE")
158    WHITE,
159    @SerializedName("LIMEGREEN")
160    LIMEGREEN
161  }
162  
163}
164

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	"time"
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/partner/4013080340
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/partner/4013080340
16		"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
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/partner/4013038589
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 := &QueryPlateServiceRequest{
27		Appid:       wxpay_utility.String("wxcbda96de0b165486"),
28		SubMchid:    wxpay_utility.String("1900000109"),
29		PlateNumber: wxpay_utility.String("粤B888888"),
30		PlateColor:  PLATECOLOR_BLUE.Ptr(),
31		Openid:      wxpay_utility.String("oUpF8uMuAJOM2pxb1Q"),
32	}
33
34	response, err := QueryPlateService(config, request)
35	if err != nil {
36		fmt.Printf("请求失败: %+v\n", err)
37		// TODO: 请求失败，根据状态码执行不同的处理
38		return
39	}
40
41	// TODO: 请求成功，继续业务逻辑
42	fmt.Printf("请求成功: %+v\n", response)
43}
44
45func QueryPlateService(config *wxpay_utility.MchConfig, request *QueryPlateServiceRequest) (response *PlateService, err error) {
46	const (
47		host   = "https://api.mch.weixin.qq.com"
48		method = "GET"
49		path   = "/v3/vehicle/parking/services/find"
50	)
51
52	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
53	if err != nil {
54		return nil, err
55	}
56	query := reqUrl.Query()
57	if request.Appid != nil {
58		query.Add("appid", *request.Appid)
59	}
60	if request.SubMchid != nil {
61		query.Add("sub_mchid", *request.SubMchid)
62	}
63	if request.PlateNumber != nil {
64		query.Add("plate_number", *request.PlateNumber)
65	}
66	if request.PlateColor != nil {
67		query.Add("plate_color", fmt.Sprintf("%v", *request.PlateColor))
68	}
69	if request.Openid != nil {
70		query.Add("openid", *request.Openid)
71	}
72	reqUrl.RawQuery = query.Encode()
73	httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
74	if err != nil {
75		return nil, err
76	}
77	httpRequest.Header.Set("Accept", "application/json")
78	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
79	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
80	if err != nil {
81		return nil, err
82	}
83	httpRequest.Header.Set("Authorization", authorization)
84
85	client := &http.Client{}
86	httpResponse, err := client.Do(httpRequest)
87	if err != nil {
88		return nil, err
89	}
90	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
91	if err != nil {
92		return nil, err
93	}
94	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
95		// 2XX 成功，验证应答签名
96		err = wxpay_utility.ValidateResponse(
97			config.WechatPayPublicKeyId(),
98			config.WechatPayPublicKey(),
99			&httpResponse.Header,
100			respBody,
101		)
102		if err != nil {
103			return nil, err
104		}
105		response := &PlateService{}
106		if err := json.Unmarshal(respBody, response); err != nil {
107			return nil, err
108		}
109
110		return response, nil
111	} else {
112		return nil, wxpay_utility.NewApiException(
113			httpResponse.StatusCode,
114			httpResponse.Header,
115			respBody,
116		)
117	}
118}
119
120type QueryPlateServiceRequest struct {
121	Appid       *string     `json:"appid,omitempty"`
122	SubMchid    *string     `json:"sub_mchid,omitempty"`
123	PlateNumber *string     `json:"plate_number,omitempty"`
124	Openid      *string     `json:"openid,omitempty"`
125	PlateColor  *PlateColor `json:"plate_color,omitempty"`
126}
127
128func (o *QueryPlateServiceRequest) MarshalJSON() ([]byte, error) {
129	type Alias QueryPlateServiceRequest
130	a := &struct {
131		Appid       *string     `json:"appid,omitempty"`
132		SubMchid    *string     `json:"sub_mchid,omitempty"`
133		PlateNumber *string     `json:"plate_number,omitempty"`
134		Openid      *string     `json:"openid,omitempty"`
135		PlateColor  *PlateColor `json:"plate_color,omitempty"`
136		*Alias
137	}{
138		// 序列化时移除非 Body 字段
139		Appid:       nil,
140		SubMchid:    nil,
141		PlateNumber: nil,
142		Openid:      nil,
143		PlateColor:  nil,
144		Alias:       (*Alias)(o),
145	}
146	return json.Marshal(a)
147}
148
149type PlateService struct {
150	PlateNumber     *string     `json:"plate_number,omitempty"`
151	PlateColor      *PlateColor `json:"plate_color,omitempty"`
152	ServiceOpenTime *time.Time  `json:"service_open_time,omitempty"`
153	Openid          *string     `json:"openid,omitempty"`
154	ServiceState    *string     `json:"service_state,omitempty"`
155}
156
157type PlateColor string
158
159func (e PlateColor) Ptr() *PlateColor {
160	return &e
161}
162
163const (
164	PLATECOLOR_BLUE      PlateColor = "BLUE"
165	PLATECOLOR_GREEN     PlateColor = "GREEN"
166	PLATECOLOR_YELLOW    PlateColor = "YELLOW"
167	PLATECOLOR_BLACK     PlateColor = "BLACK"
168	PLATECOLOR_WHITE     PlateColor = "WHITE"
169	PLATECOLOR_LIMEGREEN PlateColor = "LIMEGREEN"
170)
171