查询订单剩余待分金额

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 * 查询订单剩余待分金额
24 */
25public class QueryOrderAmount {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "GET";
28  private static String PATH = "/v3/brand/profitsharing/orders/{transaction_id}/amounts";
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    QueryOrderAmount client = new QueryOrderAmount(
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    QueryOrderAmountRequest request = new QueryOrderAmountRequest();
41    request.transactionId = "4208450740201411110007820472";
42    try {
43      QueryOrderAmountResponse response = client.run(request);
44
45      // TODO: 请求成功，继续业务逻辑
46      System.out.println(response);
47    } catch (WXPayUtility.ApiException e) {
48      // TODO: 请求失败，根据状态码执行不同的逻辑
49      e.printStackTrace();
50    }
51  }
52
53  public QueryOrderAmountResponse run(QueryOrderAmountRequest request) {
54    String uri = PATH;
55    uri = uri.replace("{transaction_id}", WXPayUtility.urlEncode(request.transactionId));
56
57    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
58    reqBuilder.addHeader("Accept", "application/json");
59    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
60    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo, privateKey, METHOD, uri, null));
61    reqBuilder.method(METHOD, null);
62    Request httpRequest = reqBuilder.build();
63
64    // 发送HTTP请求
65    OkHttpClient client = new OkHttpClient.Builder().build();
66    try (Response httpResponse = client.newCall(httpRequest).execute()) {
67      String respBody = WXPayUtility.extractBody(httpResponse);
68      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
69        // 2XX 成功，验证应答签名
70        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
71            httpResponse.headers(), respBody);
72
73        // 从HTTP应答报文构建返回数据
74        return WXPayUtility.fromJson(respBody, QueryOrderAmountResponse.class);
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 QueryOrderAmount(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 QueryOrderAmountRequest {
98    @SerializedName("transaction_id")
99    @Expose(serialize = false)
100    public String transactionId;
101  }
102  
103  public static class QueryOrderAmountResponse {
104    @SerializedName("transaction_id")
105    public String transactionId;
106  
107    @SerializedName("unsplit_amount")
108    public Long unsplitAmount;
109  }
110  
111}
112

1package main
2
3import (
4	"demo/wxpay_utility" // 引用微信支付工具库，参考 https://pay.weixin.qq.com/doc/v3/partner/4015119446
5	"encoding/json"
6	"fmt"
7	"net/http"
8	"net/url"
9	"strings"
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 := &QueryOrderAmountRequest{
27		TransactionId: wxpay_utility.String("4208450740201411110007820472"),
28	}
29
30	response, err := QueryOrderAmount(config, request)
31	if err != nil {
32		fmt.Printf("请求失败: %+v\n", err)
33		// TODO: 请求失败，根据状态码执行不同的处理
34		return
35	}
36
37	// TODO: 请求成功，继续业务逻辑
38	fmt.Printf("请求成功: %+v\n", response)
39}
40
41func QueryOrderAmount(config *wxpay_utility.MchConfig, request *QueryOrderAmountRequest) (response *QueryOrderAmountResponse, err error) {
42	const (
43		host   = "https://api.mch.weixin.qq.com"
44		method = "GET"
45		path   = "/v3/brand/profitsharing/orders/{transaction_id}/amounts"
46	)
47
48	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
49	if err != nil {
50		return nil, err
51	}
52	reqUrl.Path = strings.Replace(reqUrl.Path, "{transaction_id}", url.PathEscape(*request.TransactionId), -1)
53	httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
54	if err != nil {
55		return nil, err
56	}
57	httpRequest.Header.Set("Accept", "application/json")
58	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
59	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
60	if err != nil {
61		return nil, err
62	}
63	httpRequest.Header.Set("Authorization", authorization)
64
65	client := &http.Client{}
66	httpResponse, err := client.Do(httpRequest)
67	if err != nil {
68		return nil, err
69	}
70
71	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
72	if err != nil {
73		return nil, err
74	}
75
76	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
77		// 2XX 成功，验证应答签名
78		err = wxpay_utility.ValidateResponse(
79			config.WechatPayPublicKeyId(),
80			config.WechatPayPublicKey(),
81			&httpResponse.Header,
82			respBody,
83		)
84		if err != nil {
85			return nil, err
86		}
87
88		response := &QueryOrderAmountResponse{}
89		if err := json.Unmarshal(respBody, response); err != nil {
90			return nil, err
91		}
92
93		return response, nil
94	} else {
95		return nil, wxpay_utility.NewApiException(
96			httpResponse.StatusCode,
97			httpResponse.Header,
98			respBody,
99		)
100	}
101}
102
103type QueryOrderAmountRequest struct {
104	TransactionId *string `json:"transaction_id,omitempty"`
105}
106
107func (o *QueryOrderAmountRequest) MarshalJSON() ([]byte, error) {
108	type Alias QueryOrderAmountRequest
109	a := &struct {
110		TransactionId *string `json:"transaction_id,omitempty"`
111		*Alias
112	}{
113		// 序列化时移除非 Body 字段
114		TransactionId: nil,
115		Alias:         (*Alias)(o),
116	}
117	return json.Marshal(a)
118}
119
120type QueryOrderAmountResponse struct {
121	TransactionId *string `json:"transaction_id,omitempty"`
122	UnsplitAmount *int64  `json:"unsplit_amount,omitempty"`
123}
124

1curl -X GET \
2  https://api.mch.weixin.qq.com/v3/brand/profitsharing/orders/4208450740201411110007820472/amounts \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" 
5