关闭订单

1package com.java.demo;
2
3import com.google.gson.annotations.Expose;
4import com.google.gson.annotations.SerializedName;
5import com.java.utils.WXPayUtility; // 引用微信支付工具库 参考:https://pay.weixin.qq.com/doc/v3/merchant/4014931831
6import java.io.IOException;
7import java.io.UncheckedIOException;
8import java.security.PrivateKey;
9import java.security.PublicKey;
10import java.util.ArrayList;
11import java.util.HashMap;
12import java.util.List;
13import java.util.Map;
14import okhttp3.MediaType;
15import okhttp3.OkHttpClient;
16import okhttp3.Request;
17import okhttp3.RequestBody;
18import okhttp3.Response;
19
20/**
21 * 关闭订单
22 */
23public class Order {
24  private static String HOST = "https://api.mch.weixin.qq.com";
25  private static String METHOD = "POST";
26  private static String PATH = "/v3/pay/transactions/out-trade-no/{out_trade_no}/close";
27
28  public static void main(String[] args) {
29    // TODO: 请准备商户开发必要参数，参考：https://pay.weixin.qq.com/doc/v3/merchant/4013070756
30    Order client = new Order(
31        "填入 商户号",                  // 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
32        "填入 商户API证书序列号",       // 商户API证书序列号，如何获取请参考https://pay.weixin.qq.com/doc/v3/merchant/4013053053
33        "填入 商户API证书私钥文件路径", // 商户API证书私钥文件路径，本地文件路径
34        "填入 微信支付公钥ID",          // 微信支付公钥ID，如何获取请参考https://pay.weixin.qq.com/doc/v3/merchant/4013038816
35        "填入 微信支付公钥文件路径"     // 微信支付公钥文件路径，本地文件路径
36    );
37
38    OrderRequest request = new OrderRequest();
39    request.outTradeNo = "1217752501201407033233368018";
40    request.mchid = "1230000109";
41    try {
42      client.run(request);
43
44      // TODO: 请求成功，继续业务逻辑
45    } catch (WXPayUtility.ApiException e) {
46      // TODO: 请求失败，根据状态码执行不同的逻辑
47      e.printStackTrace();
48    }
49  }
50
51  public void run(OrderRequest request) {
52    String uri = PATH;
53    uri = uri.replace("{out_trade_no}", WXPayUtility.urlEncode(request.outTradeNo));
54    String reqBody = WXPayUtility.toJson(request);
55
56    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
57    reqBuilder.addHeader("Accept", "application/json");
58    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
59    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo, privateKey, METHOD, uri, reqBody));
60    reqBuilder.addHeader("Content-Type", "application/json");
61    RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), reqBody);
62    reqBuilder.method(METHOD, requestBody);
63    Request httpRequest = reqBuilder.build();
64
65    // 发送HTTP请求
66    OkHttpClient client = new OkHttpClient.Builder().build();
67    try (Response httpResponse = client.newCall(httpRequest).execute()) {
68      String respBody = WXPayUtility.extractBody(httpResponse);
69      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
70        // 2XX 成功，验证应答签名
71        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
72                                      httpResponse.headers(), respBody);
73
74        return;
75      } else {
76        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
77      }
78    } catch (IOException e) {
79      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
80    }
81  }
82
83  private final String mchid;
84  private final String certificateSerialNo;
85  private final PrivateKey privateKey;
86  private final String wechatPayPublicKeyId;
87  private final PublicKey wechatPayPublicKey;
88
89  public Order(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
90    this.mchid = mchid;
91    this.certificateSerialNo = certificateSerialNo;
92    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
93    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
94    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
95  }
96
97  public static class OrderRequest {
98    @SerializedName("mchid")
99    public String mchid;
100
101    @SerializedName("out_trade_no")
102    @Expose(serialize = false)
103    public String outTradeNo;
104  }
105}

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		"填入 商户号",           // 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		"填入 商户API证书序列号",    // 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		"填入 商户API证书私钥文件路径", // 商户API证书私钥文件路径，本地文件路径
19		"填入 微信支付公钥ID",      // 微信支付公钥ID，如何获取请参考https://pay.weixin.qq.com/doc/v3/merchant/4013038816
20		"填入 微信支付公钥文件路径",    // 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 := &OrderRequest{
28		OutTradeNo: wxpay_utility.String("1217752501201407033233368018"),
29		Mchid:      wxpay_utility.String("1230000109"),
30	}
31
32	err = Order(config, request)
33	if err != nil {
34		fmt.Printf("请求失败: %+v\n", err)
35		// TODO: 请求失败，根据状态码执行不同的处理
36		return
37	}
38
39	// TODO: 请求成功，继续业务逻辑
40	fmt.Println("请求成功")
41}
42
43func Order(config *wxpay_utility.MchConfig, request *OrderRequest) (err error) {
44	const (
45		host   = "https://api.mch.weixin.qq.com"
46		method = "POST"
47		path   = "/v3/pay/transactions/out-trade-no/{out_trade_no}/close"
48	)
49
50	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
51	if err != nil {
52		return err
53	}
54	reqUrl.Path = strings.Replace(reqUrl.Path, "{out_trade_no}", url.PathEscape(*request.OutTradeNo), -1)
55	reqBody, err := json.Marshal(request)
56	if err != nil {
57		return err
58	}
59	httpRequest, err := http.NewRequest(method, reqUrl.String(), bytes.NewReader(reqBody))
60	if err != nil {
61		return err
62	}
63	httpRequest.Header.Set("Accept", "application/json")
64	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
65	httpRequest.Header.Set("Content-Type", "application/json")
66	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.Path, reqBody)
67	if err != nil {
68		return err
69	}
70	httpRequest.Header.Set("Authorization", authorization)
71
72	client := &http.Client{}
73	httpResponse, err := client.Do(httpRequest)
74	if err != nil {
75		return err
76	}
77
78	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
79	if err != nil {
80		return err
81	}
82
83	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
84		// 2XX 成功，验证应答签名
85		err = wxpay_utility.ValidateResponse(
86			config.WechatPayPublicKeyId(),
87			config.WechatPayPublicKey(),
88			&httpResponse.Header,
89			respBody,
90		)
91		if err != nil {
92			return err
93		}
94
95		return nil
96	} else {
97		return &wxpay_utility.ApiException{
98			StatusCode: httpResponse.StatusCode,
99			Header:     httpResponse.Header,
100			Body:       respBody,
101		}
102	}
103}
104
105type OrderRequest struct {
106	Mchid      *string `json:"mchid,omitempty"`
107	OutTradeNo *string `json:"out_trade_no,omitempty"`
108}
109
110func (o *OrderRequest) MarshalJSON() ([]byte, error) {
111	type Alias OrderRequest
112	a := &struct {
113		OutTradeNo *string `json:"out_trade_no,omitempty"`
114		*Alias
115	}{
116		// 序列化时移除非 Body 字段
117		OutTradeNo: nil,
118		Alias:      (*Alias)(o),
119	}
120	return json.Marshal(a)
121}

1curl -X POST \
2  https://api.mch.weixin.qq.com/v3/pay/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    "mchid" : "1900000001"
8  }'