关闭合单订单

1curl -X POST \
2  https://api.mch.weixin.qq.com/v3/combine-transactions/out-trade-no/1217752501201407033233368018/close \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" \
5  -H "Content-Type: application/json" \
6  -d '{
7    "combine_appid" : "wxd678efh567hg6787",
8    "sub_orders" : [
9      {
10        "mchid" : "1900000109",
11        "out_trade_no" : "20150806125346",
12        "sub_mchid" : "1230000109",
13        "sub_appid" : "wxd678efh567hg6999"
14      }
15    ]
16  }'
17

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 * 合单关单
24 */
25public class UnionClose {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "POST";
28  private static String PATH = "/v3/combine-transactions/out-trade-no/{combine_out_trade_no}/close";
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    UnionClose client = new UnionClose(
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    UnionCloseRequest request = new UnionCloseRequest();
41    request.combineOutTradeNo = "1217752501201407033233368018";
42    request.combineAppid = "wxd678efh567hg6787";
43    request.subOrders = new ArrayList<>();
44    {
45      UnionCloseSubOrder subOrdersItem = new UnionCloseSubOrder();
46      subOrdersItem.mchid = "1900000109";
47      subOrdersItem.outTradeNo = "20150806125346";
48      subOrdersItem.subMchid = "1230000109";
49      subOrdersItem.subAppid = "wxd678efh567hg6999";
50      request.subOrders.add(subOrdersItem);
51    };
52    try {
53      client.run(request);
54    } catch (WXPayUtility.ApiException e) {
55        // TODO: 请求失败，根据状态码执行不同的逻辑
56        e.printStackTrace();
57    }
58  }
59
60  public void run(UnionCloseRequest request) {
61    String uri = PATH;
62    uri = uri.replace("{combine_out_trade_no}", WXPayUtility.urlEncode(request.combineOutTradeNo));
63    String reqBody = WXPayUtility.toJson(request);
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, reqBody));
69    reqBuilder.addHeader("Content-Type", "application/json");
70    RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), reqBody);
71    reqBuilder.method(METHOD, requestBody);
72    Request httpRequest = reqBuilder.build();
73
74    // 发送HTTP请求
75    OkHttpClient client = new OkHttpClient.Builder().build();
76    try (Response httpResponse = client.newCall(httpRequest).execute()) {
77      String respBody = WXPayUtility.extractBody(httpResponse);
78      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
79        // 2XX 成功，验证应答签名
80        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
81            httpResponse.headers(), respBody);
82
83        return;
84      } else {
85        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
86      }
87    } catch (IOException e) {
88      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
89    }
90  }
91
92  private final String mchid;
93  private final String certificateSerialNo;
94  private final PrivateKey privateKey;
95  private final String wechatPayPublicKeyId;
96  private final PublicKey wechatPayPublicKey;
97
98  public UnionClose(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
99    this.mchid = mchid;
100    this.certificateSerialNo = certificateSerialNo;
101    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
102    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
103    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
104  }
105
106  public static class UnionCloseRequest {
107    @SerializedName("combine_appid")
108    public String combineAppid;
109  
110    @SerializedName("combine_out_trade_no")
111    @Expose(serialize = false)
112    public String combineOutTradeNo;
113  
114    @SerializedName("sub_orders")
115    public List<UnionCloseSubOrder> subOrders = new ArrayList<UnionCloseSubOrder>();
116  }
117  
118  public static class UnionCloseSubOrder {
119    @SerializedName("mchid")
120    public String mchid;
121  
122    @SerializedName("out_trade_no")
123    public String outTradeNo;
124  
125    @SerializedName("sub_mchid")
126    public String subMchid;
127  
128    @SerializedName("sub_appid")
129    public String subAppid;
130  }
131  
132}
133

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 := &UnionCloseRequest{
28		CombineOutTradeNo: wxpay_utility.String("1217752501201407033233368018"),
29		CombineAppid:      wxpay_utility.String("wxd678efh567hg6787"),
30		SubOrders: []UnionCloseSubOrder{UnionCloseSubOrder{
31			Mchid:      wxpay_utility.String("1900000109"),
32			OutTradeNo: wxpay_utility.String("20150806125346"),
33			SubMchid:   wxpay_utility.String("1230000109"),
34			SubAppid:   wxpay_utility.String("wxd678efh567hg6999"),
35		}},
36	}
37
38	err = UnionClose(config, request)
39	if err != nil {
40		fmt.Printf("请求失败: %+v\n", err)
41		// TODO: 请求失败，根据状态码执行不同的处理
42		return
43	}
44
45	// TODO: 请求成功，继续业务逻辑
46	fmt.Println("请求成功")
47}
48
49func UnionClose(config *wxpay_utility.MchConfig, request *UnionCloseRequest) (err error) {
50	const (
51		host   = "https://api.mch.weixin.qq.com"
52		method = "POST"
53		path   = "/v3/combine-transactions/out-trade-no/{combine_out_trade_no}/close"
54	)
55
56	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
57	if err != nil {
58		return err
59	}
60	reqUrl.Path = strings.Replace(reqUrl.Path, "{combine_out_trade_no}", url.PathEscape(*request.CombineOutTradeNo), -1)
61	reqBody, err := json.Marshal(request)
62	if err != nil {
63		return err
64	}
65	httpRequest, err := http.NewRequest(method, reqUrl.String(), bytes.NewReader(reqBody))
66	if err != nil {
67		return err
68	}
69	httpRequest.Header.Set("Accept", "application/json")
70	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
71	httpRequest.Header.Set("Content-Type", "application/json")
72	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), reqBody)
73	if err != nil {
74		return err
75	}
76	httpRequest.Header.Set("Authorization", authorization)
77
78	client := &http.Client{}
79	httpResponse, err := client.Do(httpRequest)
80	if err != nil {
81		return err
82	}
83	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
84	if err != nil {
85		return err
86	}
87	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
88		// 2XX 成功，验证应答签名
89		err = wxpay_utility.ValidateResponse(
90			config.WechatPayPublicKeyId(),
91			config.WechatPayPublicKey(),
92			&httpResponse.Header,
93			respBody,
94		)
95		if err != nil {
96			return err
97		}
98		return nil
99	} else {
100		return wxpay_utility.NewApiException(
101			httpResponse.StatusCode,
102			httpResponse.Header,
103			respBody,
104		)
105	}
106}
107
108type UnionCloseRequest struct {
109	CombineAppid      *string              `json:"combine_appid,omitempty"`
110	CombineOutTradeNo *string              `json:"combine_out_trade_no,omitempty"`
111	SubOrders         []UnionCloseSubOrder `json:"sub_orders,omitempty"`
112}
113
114func (o *UnionCloseRequest) MarshalJSON() ([]byte, error) {
115	type Alias UnionCloseRequest
116	a := &struct {
117		CombineOutTradeNo *string `json:"combine_out_trade_no,omitempty"`
118		*Alias
119	}{
120		// 序列化时移除非 Body 字段
121		CombineOutTradeNo: nil,
122		Alias:             (*Alias)(o),
123	}
124	return json.Marshal(a)
125}
126
127type UnionCloseSubOrder struct {
128	Mchid      *string `json:"mchid,omitempty"`
129	OutTradeNo *string `json:"out_trade_no,omitempty"`
130	SubMchid   *string `json:"sub_mchid,omitempty"`
131	SubAppid   *string `json:"sub_appid,omitempty"`
132}
133