修改批次预算

1curl -X PATCH \
2  https://api.mch.weixin.qq.com/v3/marketing/busifavor/stocks/98065001/budget \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" \
5  -H "Content-Type: application/json" \
6  -d '{
7    "target_max_coupons" : 3000,
8    "current_max_coupons" : 500,
9    "target_max_coupons_by_day" : 500,
10    "current_max_coupons_by_day" : 300,
11    "modify_budget_request_no" : "1002600620019090123143254436"
12  }'
13

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 * 修改批次预算
24 */
25public class ModifyBudget {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "PATCH";
28  private static String PATH = "/v3/marketing/busifavor/stocks/{stock_id}/budget";
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    ModifyBudget client = new ModifyBudget(
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    ModifyBudgetRequest request = new ModifyBudgetRequest();
41    request.stockId = "98065001";
42    request.targetMaxCoupons = 3000L;
43    request.currentMaxCoupons = 500L;
44    request.targetMaxCouponsByDay = 500L;
45    request.currentMaxCouponsByDay = 300L;
46    request.modifyBudgetRequestNo = "1002600620019090123143254436";
47    try {
48      ModifyBudgetResponse response = client.run(request);
49        // TODO: 请求成功，继续业务逻辑
50        System.out.println(response);
51    } catch (WXPayUtility.ApiException e) {
52        // TODO: 请求失败，根据状态码执行不同的逻辑
53        e.printStackTrace();
54    }
55  }
56
57  public ModifyBudgetResponse run(ModifyBudgetRequest request) {
58    String uri = PATH;
59    uri = uri.replace("{stock_id}", WXPayUtility.urlEncode(request.stockId));
60    String reqBody = WXPayUtility.toJson(request);
61
62    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
63    reqBuilder.addHeader("Accept", "application/json");
64    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
65    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo,privateKey, METHOD, uri, reqBody));
66    reqBuilder.addHeader("Content-Type", "application/json");
67    RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), reqBody);
68    reqBuilder.method(METHOD, requestBody);
69    Request httpRequest = reqBuilder.build();
70
71    // 发送HTTP请求
72    OkHttpClient client = new OkHttpClient.Builder().build();
73    try (Response httpResponse = client.newCall(httpRequest).execute()) {
74      String respBody = WXPayUtility.extractBody(httpResponse);
75      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
76        // 2XX 成功，验证应答签名
77        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
78            httpResponse.headers(), respBody);
79
80        // 从HTTP应答报文构建返回数据
81        return WXPayUtility.fromJson(respBody, ModifyBudgetResponse.class);
82      } else {
83        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
84      }
85    } catch (IOException e) {
86      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
87    }
88  }
89
90  private final String mchid;
91  private final String certificateSerialNo;
92  private final PrivateKey privateKey;
93  private final String wechatPayPublicKeyId;
94  private final PublicKey wechatPayPublicKey;
95
96  public ModifyBudget(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
97    this.mchid = mchid;
98    this.certificateSerialNo = certificateSerialNo;
99    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
100    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
101    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
102  }
103
104  public static class ModifyBudgetRequest {
105    @SerializedName("stock_id")
106    @Expose(serialize = false)
107    public String stockId;
108  
109    @SerializedName("target_max_coupons")
110    public Long targetMaxCoupons;
111  
112    @SerializedName("current_max_coupons")
113    public Long currentMaxCoupons;
114  
115    @SerializedName("target_max_coupons_by_day")
116    public Long targetMaxCouponsByDay;
117  
118    @SerializedName("current_max_coupons_by_day")
119    public Long currentMaxCouponsByDay;
120  
121    @SerializedName("modify_budget_request_no")
122    public String modifyBudgetRequestNo;
123  }
124  
125  public static class ModifyBudgetResponse {
126    @SerializedName("max_coupons")
127    public Long maxCoupons;
128  
129    @SerializedName("max_coupons_by_day")
130    public Long maxCouponsByDay;
131  }
132  
133}
134

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/merchant/4015119334
6	"encoding/json"
7	"fmt"
8	"net/http"
9	"net/url"
10	"strings"
11)
12
13func main() {
14	// TODO: 请准备商户开发必要参数，参考：https://pay.weixin.qq.com/doc/v3/merchant/4013070756
15	config, err := wxpay_utility.CreateMchConfig(
16		"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
17		"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
18		"/path/to/apiclient_key.pem", // 商户API证书私钥文件路径，本地文件路径
19		"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
20		"/path/to/wxp_pub.pem",       // 微信支付公钥文件路径，本地文件路径
21	)
22	if err != nil {
23		fmt.Println(err)
24		return
25	}
26
27	request := &ModifyBudgetRequest{
28		StockId:                wxpay_utility.String("98065001"),
29		TargetMaxCoupons:       wxpay_utility.Int64(3000),
30		CurrentMaxCoupons:      wxpay_utility.Int64(500),
31		TargetMaxCouponsByDay:  wxpay_utility.Int64(500),
32		CurrentMaxCouponsByDay: wxpay_utility.Int64(300),
33		ModifyBudgetRequestNo:  wxpay_utility.String("1002600620019090123143254436"),
34	}
35
36	response, err := ModifyBudget(config, request)
37	if err != nil {
38		fmt.Printf("请求失败: %+v\n", err)
39		// TODO: 请求失败，根据状态码执行不同的处理
40		return
41	}
42
43	// TODO: 请求成功，继续业务逻辑
44	fmt.Printf("请求成功: %+v\n", response)
45}
46
47func ModifyBudget(config *wxpay_utility.MchConfig, request *ModifyBudgetRequest) (response *ModifyBudgetResponse, err error) {
48	const (
49		host   = "https://api.mch.weixin.qq.com"
50		method = "PATCH"
51		path   = "/v3/marketing/busifavor/stocks/{stock_id}/budget"
52	)
53
54	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
55	if err != nil {
56		return nil, err
57	}
58	reqUrl.Path = strings.Replace(reqUrl.Path, "{stock_id}", url.PathEscape(*request.StockId), -1)
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 := &ModifyBudgetResponse{}
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 ModifyBudgetRequest struct {
112	StockId                *string `json:"stock_id,omitempty"`
113	TargetMaxCoupons       *int64  `json:"target_max_coupons,omitempty"`
114	CurrentMaxCoupons      *int64  `json:"current_max_coupons,omitempty"`
115	TargetMaxCouponsByDay  *int64  `json:"target_max_coupons_by_day,omitempty"`
116	CurrentMaxCouponsByDay *int64  `json:"current_max_coupons_by_day,omitempty"`
117	ModifyBudgetRequestNo  *string `json:"modify_budget_request_no,omitempty"`
118}
119
120func (o *ModifyBudgetRequest) MarshalJSON() ([]byte, error) {
121	type Alias ModifyBudgetRequest
122	a := &struct {
123		StockId *string `json:"stock_id,omitempty"`
124		*Alias
125	}{
126		// 序列化时移除非 Body 字段
127		StockId: nil,
128		Alias:   (*Alias)(o),
129	}
130	return json.Marshal(a)
131}
132
133type ModifyBudgetResponse struct {
134	MaxCoupons      *int64 `json:"max_coupons,omitempty"`
135	MaxCouponsByDay *int64 `json:"max_coupons_by_day,omitempty"`
136}
137