修改支付分订单金额

1curl -X POST \
2  https://api.mch.weixin.qq.com/v3/payscore/partner/serviceorder/1234323JKHDFE1243252/modify \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" \
5  -H "Content-Type: application/json" \
6  -d '{
7    "service_id" : "2002000000000558128851361561536",
8    "sub_mchid" : "1900000109",
9    "post_payments" : [
10      {
11        "name" : "就餐费用",
12        "amount" : 40000,
13        "description" : "就餐人均100元",
14        "count" : 4
15      }
16    ],
17    "post_discounts" : [
18      {
19        "name" : "满20减1元",
20        "description" : "不与其他优惠叠加",
21        "amount" : 100
22      }
23    ],
24    "total_amount" : 50000,
25    "reason" : "用户投诉",
26    "device" : {
27      "start_device_id" : "HG123456",
28      "end_device_id" : "HG123456",
29      "materiel_no" : "example_materiel_no"
30    }
31  }'
32

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 * 修改订单金额
24 */
25public class ModifyPartnerServiceOrder {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "POST";
28  private static String PATH = "/v3/payscore/partner/serviceorder/{out_order_no}/modify";
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    ModifyPartnerServiceOrder client = new ModifyPartnerServiceOrder(
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    ModifyPartnerServiceOrderRequest request = new ModifyPartnerServiceOrderRequest();
41    request.outOrderNo = "1234323JKHDFE1243252";
42    request.serviceId = "2002000000000558128851361561536";
43    request.subMchid = "1900000109";
44    request.postPayments = new ArrayList<>();
45    {
46      Payment postPaymentsItem = new Payment();
47      postPaymentsItem.name = "就餐费用";
48      postPaymentsItem.amount = 40000L;
49      postPaymentsItem.description = "就餐人均100元";
50      postPaymentsItem.count = 4L;
51      request.postPayments.add(postPaymentsItem);
52    };
53    request.postDiscounts = new ArrayList<>();
54    {
55      ServiceOrderCoupon postDiscountsItem = new ServiceOrderCoupon();
56      postDiscountsItem.name = "满20减1元";
57      postDiscountsItem.description = "不与其他优惠叠加";
58      postDiscountsItem.amount = 100L;
59      request.postDiscounts.add(postDiscountsItem);
60    };
61    request.totalAmount = 50000L;
62    request.reason = "用户投诉";
63    request.device = new Device();
64    request.device.startDeviceId = "HG123456";
65    request.device.endDeviceId = "HG123456";
66    request.device.materielNo = "example_materiel_no";
67    try {
68      client.run(request);
69    } catch (WXPayUtility.ApiException e) {
70        // TODO: 请求失败，根据状态码执行不同的逻辑
71        e.printStackTrace();
72    }
73  }
74
75  public void run(ModifyPartnerServiceOrderRequest request) {
76    String uri = PATH;
77    uri = uri.replace("{out_order_no}", WXPayUtility.urlEncode(request.outOrderNo));
78    String reqBody = WXPayUtility.toJson(request);
79
80    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
81    reqBuilder.addHeader("Accept", "application/json");
82    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
83    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo,privateKey, METHOD, uri, reqBody));
84    reqBuilder.addHeader("Content-Type", "application/json");
85    RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), reqBody);
86    reqBuilder.method(METHOD, requestBody);
87    Request httpRequest = reqBuilder.build();
88
89    // 发送HTTP请求
90    OkHttpClient client = new OkHttpClient.Builder().build();
91    try (Response httpResponse = client.newCall(httpRequest).execute()) {
92      String respBody = WXPayUtility.extractBody(httpResponse);
93      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
94        // 2XX 成功，验证应答签名
95        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
96            httpResponse.headers(), respBody);
97
98        return;
99      } else {
100        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
101      }
102    } catch (IOException e) {
103      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
104    }
105  }
106
107  private final String mchid;
108  private final String certificateSerialNo;
109  private final PrivateKey privateKey;
110  private final String wechatPayPublicKeyId;
111  private final PublicKey wechatPayPublicKey;
112
113  public ModifyPartnerServiceOrder(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
114    this.mchid = mchid;
115    this.certificateSerialNo = certificateSerialNo;
116    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
117    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
118    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
119  }
120
121  public static class ModifyPartnerServiceOrderRequest {
122    @SerializedName("service_id")
123    public String serviceId;
124  
125    @SerializedName("sub_mchid")
126    public String subMchid;
127  
128    @SerializedName("out_order_no")
129    @Expose(serialize = false)
130    public String outOrderNo;
131  
132    @SerializedName("post_payments")
133    public List<Payment> postPayments = new ArrayList<Payment>();
134  
135    @SerializedName("post_discounts")
136    public List<ServiceOrderCoupon> postDiscounts;
137  
138    @SerializedName("total_amount")
139    public Long totalAmount;
140  
141    @SerializedName("reason")
142    public String reason;
143  
144    @SerializedName("device")
145    public Device device;
146  }
147  
148  public static class Payment {
149    @SerializedName("name")
150    public String name;
151  
152    @SerializedName("amount")
153    public Long amount;
154  
155    @SerializedName("description")
156    public String description;
157  
158    @SerializedName("count")
159    public Long count;
160  }
161  
162  public static class ServiceOrderCoupon {
163    @SerializedName("name")
164    public String name;
165  
166    @SerializedName("description")
167    public String description;
168  
169    @SerializedName("amount")
170    public Long amount;
171  }
172  
173  public static class Device {
174    @SerializedName("start_device_id")
175    public String startDeviceId;
176  
177    @SerializedName("end_device_id")
178    public String endDeviceId;
179  
180    @SerializedName("materiel_no")
181    public String materielNo;
182  }
183  
184}
185

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	"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/partner/4013080340
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/partner/4013080340
17		"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
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/partner/4013038589
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 := &ModifyPartnerServiceOrderRequest{
28		OutOrderNo: wxpay_utility.String("1234323JKHDFE1243252"),
29		ServiceId:  wxpay_utility.String("2002000000000558128851361561536"),
30		SubMchid:   wxpay_utility.String("1900000109"),
31		PostPayments: []Payment{Payment{
32			Name:        wxpay_utility.String("就餐费用"),
33			Amount:      wxpay_utility.Int64(40000),
34			Description: wxpay_utility.String("就餐人均100元"),
35			Count:       wxpay_utility.Int64(4),
36		}},
37		PostDiscounts: []ServiceOrderCoupon{ServiceOrderCoupon{
38			Name:        wxpay_utility.String("满20减1元"),
39			Description: wxpay_utility.String("不与其他优惠叠加"),
40			Amount:      wxpay_utility.Int64(100),
41		}},
42		TotalAmount: wxpay_utility.Int64(50000),
43		Reason:      wxpay_utility.String("用户投诉"),
44		Device: &Device{
45			StartDeviceId: wxpay_utility.String("HG123456"),
46			EndDeviceId:   wxpay_utility.String("HG123456"),
47			MaterielNo:    wxpay_utility.String("example_materiel_no"),
48		},
49	}
50
51	err = ModifyPartnerServiceOrder(config, request)
52	if err != nil {
53		fmt.Printf("请求失败: %+v\n", err)
54		// TODO: 请求失败，根据状态码执行不同的处理
55		return
56	}
57
58	// TODO: 请求成功，继续业务逻辑
59	fmt.Println("请求成功")
60}
61
62func ModifyPartnerServiceOrder(config *wxpay_utility.MchConfig, request *ModifyPartnerServiceOrderRequest) (err error) {
63	const (
64		host   = "https://api.mch.weixin.qq.com"
65		method = "POST"
66		path   = "/v3/payscore/partner/serviceorder/{out_order_no}/modify"
67	)
68
69	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
70	if err != nil {
71		return err
72	}
73	reqUrl.Path = strings.Replace(reqUrl.Path, "{out_order_no}", url.PathEscape(*request.OutOrderNo), -1)
74	reqBody, err := json.Marshal(request)
75	if err != nil {
76		return err
77	}
78	httpRequest, err := http.NewRequest(method, reqUrl.String(), bytes.NewReader(reqBody))
79	if err != nil {
80		return err
81	}
82	httpRequest.Header.Set("Accept", "application/json")
83	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
84	httpRequest.Header.Set("Content-Type", "application/json")
85	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), reqBody)
86	if err != nil {
87		return err
88	}
89	httpRequest.Header.Set("Authorization", authorization)
90
91	client := &http.Client{}
92	httpResponse, err := client.Do(httpRequest)
93	if err != nil {
94		return err
95	}
96	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
97	if err != nil {
98		return err
99	}
100	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
101		// 2XX 成功，验证应答签名
102		err = wxpay_utility.ValidateResponse(
103			config.WechatPayPublicKeyId(),
104			config.WechatPayPublicKey(),
105			&httpResponse.Header,
106			respBody,
107		)
108		if err != nil {
109			return err
110		}
111		return nil
112	} else {
113		return wxpay_utility.NewApiException(
114			httpResponse.StatusCode,
115			httpResponse.Header,
116			respBody,
117		)
118	}
119}
120
121type ModifyPartnerServiceOrderRequest struct {
122	ServiceId     *string              `json:"service_id,omitempty"`
123	SubMchid      *string              `json:"sub_mchid,omitempty"`
124	OutOrderNo    *string              `json:"out_order_no,omitempty"`
125	PostPayments  []Payment            `json:"post_payments,omitempty"`
126	PostDiscounts []ServiceOrderCoupon `json:"post_discounts,omitempty"`
127	TotalAmount   *int64               `json:"total_amount,omitempty"`
128	Reason        *string              `json:"reason,omitempty"`
129	Device        *Device              `json:"device,omitempty"`
130}
131
132func (o *ModifyPartnerServiceOrderRequest) MarshalJSON() ([]byte, error) {
133	type Alias ModifyPartnerServiceOrderRequest
134	a := &struct {
135		OutOrderNo *string `json:"out_order_no,omitempty"`
136		*Alias
137	}{
138		// 序列化时移除非 Body 字段
139		OutOrderNo: nil,
140		Alias:      (*Alias)(o),
141	}
142	return json.Marshal(a)
143}
144
145type Payment struct {
146	Name        *string `json:"name,omitempty"`
147	Amount      *int64  `json:"amount,omitempty"`
148	Description *string `json:"description,omitempty"`
149	Count       *int64  `json:"count,omitempty"`
150}
151
152type ServiceOrderCoupon struct {
153	Name        *string `json:"name,omitempty"`
154	Description *string `json:"description,omitempty"`
155	Amount      *int64  `json:"amount,omitempty"`
156}
157
158type Device struct {
159	StartDeviceId *string `json:"start_device_id,omitempty"`
160	EndDeviceId   *string `json:"end_device_id,omitempty"`
161	MaterielNo    *string `json:"materiel_no,omitempty"`
162}
163