同步非临停扩展支付

1curl -X POST \
2  https://api.mch.weixin.qq.com/v3/parking/reminders/ext-payment \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" \
5  -H "Content-Type: application/json" \
6  -d '{
7    "out_trade_no" : "4200001234567890123456789012",
8    "fee_items" : [
9      {
10        "fee_type" : "EXT_PARKING_PAYMENT_FEE_TYPE_UNKNOWN",
11        "amount" : 1
12      }
13    ],
14    "pay_time" : 1,
15    "wx_parking_lot_id" : "21232735744117624001123604298240",
16    "wx_trade_no" : "4200001234567890123456789012"
17  }'
18

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 * 同步非临停扩展支付
24 */
25public class SyncParkingExtPayment {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "POST";
28  private static String PATH = "/v3/parking/reminders/ext-payment";
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    SyncParkingExtPayment client = new SyncParkingExtPayment(
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    SyncParkingExtPaymentRequest request = new SyncParkingExtPaymentRequest();
41    request.outTradeNo = "4200001234567890123456789012";
42    request.feeItems = new ArrayList<>();
43    {
44      ExtParkingPaymentFeeItem feeItemsItem = new ExtParkingPaymentFeeItem();
45      feeItemsItem.feeType = ExtParkingPaymentFeeType.EXT_PARKING_PAYMENT_FEE_TYPE_UNKNOWN;
46      feeItemsItem.amount = 1L;
47      request.feeItems.add(feeItemsItem);
48    };
49    request.payTime = 1L;
50    request.wxParkingLotId = "21232735744117624001123604298240";
51    request.wxTradeNo = "4200001234567890123456789012";
52    try {
53      SyncParkingExtPaymentResponse response = client.run(request);
54        // TODO: 请求成功，继续业务逻辑
55        System.out.println(response);
56    } catch (WXPayUtility.ApiException e) {
57        // TODO: 请求失败，根据状态码执行不同的逻辑
58        e.printStackTrace();
59    }
60  }
61
62  public SyncParkingExtPaymentResponse run(SyncParkingExtPaymentRequest request) {
63    String uri = PATH;
64    String reqBody = WXPayUtility.toJson(request);
65
66    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
67    reqBuilder.addHeader("Accept", "application/json");
68    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
69    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo,privateKey, METHOD, uri, reqBody));
70    reqBuilder.addHeader("Content-Type", "application/json");
71    RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), reqBody);
72    reqBuilder.method(METHOD, requestBody);
73    Request httpRequest = reqBuilder.build();
74
75    // 发送HTTP请求
76    OkHttpClient client = new OkHttpClient.Builder().build();
77    try (Response httpResponse = client.newCall(httpRequest).execute()) {
78      String respBody = WXPayUtility.extractBody(httpResponse);
79      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
80        // 2XX 成功，验证应答签名
81        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
82            httpResponse.headers(), respBody);
83
84        // 从HTTP应答报文构建返回数据
85        return WXPayUtility.fromJson(respBody, SyncParkingExtPaymentResponse.class);
86      } else {
87        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
88      }
89    } catch (IOException e) {
90      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
91    }
92  }
93
94  private final String mchid;
95  private final String certificateSerialNo;
96  private final PrivateKey privateKey;
97  private final String wechatPayPublicKeyId;
98  private final PublicKey wechatPayPublicKey;
99
100  public SyncParkingExtPayment(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
101    this.mchid = mchid;
102    this.certificateSerialNo = certificateSerialNo;
103    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
104    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
105    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
106  }
107
108  public static class SyncParkingExtPaymentRequest {
109    @SerializedName("out_trade_no")
110    public String outTradeNo;
111  
112    @SerializedName("fee_items")
113    public List<ExtParkingPaymentFeeItem> feeItems = new ArrayList<ExtParkingPaymentFeeItem>();
114  
115    @SerializedName("pay_time")
116    public Long payTime;
117  
118    @SerializedName("wx_parking_lot_id")
119    public String wxParkingLotId;
120  
121    @SerializedName("wx_trade_no")
122    public String wxTradeNo;
123  }
124  
125  public static class SyncParkingExtPaymentResponse {
126    @SerializedName("code")
127    public String code;
128  
129    @SerializedName("message")
130    public String message;
131  }
132  
133  public static class ExtParkingPaymentFeeItem {
134    @SerializedName("fee_type")
135    public ExtParkingPaymentFeeType feeType;
136  
137    @SerializedName("amount")
138    public Long amount;
139  }
140  
141  public enum ExtParkingPaymentFeeType {
142    @SerializedName("EXT_PARKING_PAYMENT_FEE_TYPE_UNKNOWN")
143    EXT_PARKING_PAYMENT_FEE_TYPE_UNKNOWN,
144    @SerializedName("EXT_PARKING_PAYMENT_FEE_TYPE_MONTHLY")
145    EXT_PARKING_PAYMENT_FEE_TYPE_MONTHLY,
146    @SerializedName("EXT_PARKING_PAYMENT_FEE_TYPE_QUARTERLY")
147    EXT_PARKING_PAYMENT_FEE_TYPE_QUARTERLY,
148    @SerializedName("EXT_PARKING_PAYMENT_FEE_TYPE_MEMBER")
149    EXT_PARKING_PAYMENT_FEE_TYPE_MEMBER
150  }
151  
152}
153

1package main
2
3import (
4	"bytes"
5	"demo/wxpay_utility" // 引用微信支付工具库，参考 https://pay.weixin.qq.com/doc/v3/partner/4015119446
6	"encoding/json"
7	"fmt"
8	"net/http"
9	"net/url"
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 := &SyncParkingExtPaymentRequest{
27		OutTradeNo: wxpay_utility.String("4200001234567890123456789012"),
28		FeeItems: []ExtParkingPaymentFeeItem{ExtParkingPaymentFeeItem{
29			FeeType: EXTPARKINGPAYMENTFEETYPE_EXT_PARKING_PAYMENT_FEE_TYPE_UNKNOWN.Ptr(),
30			Amount:  wxpay_utility.Int64(1),
31		}},
32		PayTime:        wxpay_utility.Int64(1),
33		WxParkingLotId: wxpay_utility.String("21232735744117624001123604298240"),
34		WxTradeNo:      wxpay_utility.String("4200001234567890123456789012"),
35	}
36
37	response, err := SyncParkingExtPayment(config, request)
38	if err != nil {
39		fmt.Printf("请求失败: %+v\n", err)
40		// TODO: 请求失败，根据状态码执行不同的处理
41		return
42	}
43
44	// TODO: 请求成功，继续业务逻辑
45	fmt.Printf("请求成功: %+v\n", response)
46}
47
48func SyncParkingExtPayment(config *wxpay_utility.MchConfig, request *SyncParkingExtPaymentRequest) (response *SyncParkingExtPaymentResponse, err error) {
49	const (
50		host   = "https://api.mch.weixin.qq.com"
51		method = "POST"
52		path   = "/v3/parking/reminders/ext-payment"
53	)
54
55	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
56	if err != nil {
57		return nil, err
58	}
59	reqBody, err := json.Marshal(request)
60	if err != nil {
61		return nil, err
62	}
63	httpRequest, err := http.NewRequest(method, reqUrl.String(), bytes.NewReader(reqBody))
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	httpRequest.Header.Set("Content-Type", "application/json")
70	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), reqBody)
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 := &SyncParkingExtPaymentResponse{}
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 SyncParkingExtPaymentRequest struct {
112	OutTradeNo     *string                    `json:"out_trade_no,omitempty"`
113	FeeItems       []ExtParkingPaymentFeeItem `json:"fee_items,omitempty"`
114	PayTime        *int64                     `json:"pay_time,omitempty"`
115	WxParkingLotId *string                    `json:"wx_parking_lot_id,omitempty"`
116	WxTradeNo      *string                    `json:"wx_trade_no,omitempty"`
117}
118
119type SyncParkingExtPaymentResponse struct {
120	Code    *string `json:"code,omitempty"`
121	Message *string `json:"message,omitempty"`
122}
123
124type ExtParkingPaymentFeeItem struct {
125	FeeType *ExtParkingPaymentFeeType `json:"fee_type,omitempty"`
126	Amount  *int64                    `json:"amount,omitempty"`
127}
128
129type ExtParkingPaymentFeeType string
130
131func (e ExtParkingPaymentFeeType) Ptr() *ExtParkingPaymentFeeType {
132	return &e
133}
134
135const (
136	EXTPARKINGPAYMENTFEETYPE_EXT_PARKING_PAYMENT_FEE_TYPE_UNKNOWN   ExtParkingPaymentFeeType = "EXT_PARKING_PAYMENT_FEE_TYPE_UNKNOWN"
137	EXTPARKINGPAYMENTFEETYPE_EXT_PARKING_PAYMENT_FEE_TYPE_MONTHLY   ExtParkingPaymentFeeType = "EXT_PARKING_PAYMENT_FEE_TYPE_MONTHLY"
138	EXTPARKINGPAYMENTFEETYPE_EXT_PARKING_PAYMENT_FEE_TYPE_QUARTERLY ExtParkingPaymentFeeType = "EXT_PARKING_PAYMENT_FEE_TYPE_QUARTERLY"
139	EXTPARKINGPAYMENTFEETYPE_EXT_PARKING_PAYMENT_FEE_TYPE_MEMBER    ExtParkingPaymentFeeType = "EXT_PARKING_PAYMENT_FEE_TYPE_MEMBER"
140)
141