请求分账回退

1curl -X POST \
2  https://api.mch.weixin.qq.com/v3/brand/profitsharing/returnorders \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" \
5  -H "Content-Type: application/json" \
6  -d '{
7    "sub_mchid" : "1900000109",
8    "order_id" : "3008450740201411110007820472",
9    "out_order_no" : "P20150806125346",
10    "out_return_no" : "R20190516001",
11    "return_mchid" : "R20190516001",
12    "amount" : 10,
13    "description" : "分账回退"
14  }'
15

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 * 请求分账回退
24 */
25public class CreateReturnOrder {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "POST";
28  private static String PATH = "/v3/brand/profitsharing/returnorders";
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    CreateReturnOrder client = new CreateReturnOrder(
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    CreateReturnOrderRequest request = new CreateReturnOrderRequest();
41    request.subMchid = "1900000109";
42    request.orderId = "3008450740201411110007820472";
43    request.outOrderNo = "P20150806125346";
44    request.outReturnNo = "R20190516001";
45    request.returnMchid = "R20190516001";
46    request.amount = 10L;
47    request.description = "分账回退";
48    try {
49      CreateReturnOrderResponse response = client.run(request);
50        // TODO: 请求成功，继续业务逻辑
51        System.out.println(response);
52    } catch (WXPayUtility.ApiException e) {
53        // TODO: 请求失败，根据状态码执行不同的逻辑
54        e.printStackTrace();
55    }
56  }
57
58  public CreateReturnOrderResponse run(CreateReturnOrderRequest request) {
59    String uri = PATH;
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, CreateReturnOrderResponse.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 CreateReturnOrder(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 CreateReturnOrderRequest {
105    @SerializedName("sub_mchid")
106    public String subMchid;
107  
108    @SerializedName("order_id")
109    public String orderId;
110  
111    @SerializedName("out_order_no")
112    public String outOrderNo;
113  
114    @SerializedName("out_return_no")
115    public String outReturnNo;
116  
117    @SerializedName("return_mchid")
118    public String returnMchid;
119  
120    @SerializedName("amount")
121    public Long amount;
122  
123    @SerializedName("description")
124    public String description;
125  }
126  
127  public static class CreateReturnOrderResponse {
128    @SerializedName("sub_mchid")
129    public String subMchid;
130  
131    @SerializedName("order_id")
132    public String orderId;
133  
134    @SerializedName("out_order_no")
135    public String outOrderNo;
136  
137    @SerializedName("out_return_no")
138    public String outReturnNo;
139  
140    @SerializedName("return_mchid")
141    public String returnMchid;
142  
143    @SerializedName("amount")
144    public Long amount;
145  
146    @SerializedName("return_no")
147    public String returnNo;
148  
149    @SerializedName("result")
150    public String result;
151  
152    @SerializedName("fail_reason")
153    public String failReason;
154  
155    @SerializedName("finish_time")
156    public String finishTime;
157  }
158  
159}
160

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	"time"
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 := &CreateReturnOrderRequest{
28		SubMchid:    wxpay_utility.String("1900000109"),
29		OrderId:     wxpay_utility.String("3008450740201411110007820472"),
30		OutOrderNo:  wxpay_utility.String("P20150806125346"),
31		OutReturnNo: wxpay_utility.String("R20190516001"),
32		ReturnMchid: wxpay_utility.String("R20190516001"),
33		Amount:      wxpay_utility.Int64(10),
34		Description: wxpay_utility.String("分账回退"),
35	}
36
37	response, err := CreateReturnOrder(config, request)
38	if err != nil {
39		fmt.Printf("请求失败: %+v\n", err)
40		// TODO: 请求失败，根据状态码执行不同的处理
41		return
42	}
43
44	// TODO: 请求成功，继续业务逻辑
45	fmt.Printf("请求成功: %+v\n", response)
46}
47
48func CreateReturnOrder(config *wxpay_utility.MchConfig, request *CreateReturnOrderRequest) (response *CreateReturnOrderResponse, err error) {
49	const (
50		host   = "https://api.mch.weixin.qq.com"
51		method = "POST"
52		path   = "/v3/brand/profitsharing/returnorders"
53	)
54
55	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
56	if err != nil {
57		return nil, err
58	}
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 := &CreateReturnOrderResponse{}
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 CreateReturnOrderRequest struct {
112	SubMchid    *string `json:"sub_mchid,omitempty"`
113	OrderId     *string `json:"order_id,omitempty"`
114	OutOrderNo  *string `json:"out_order_no,omitempty"`
115	OutReturnNo *string `json:"out_return_no,omitempty"`
116	ReturnMchid *string `json:"return_mchid,omitempty"`
117	Amount      *int64  `json:"amount,omitempty"`
118	Description *string `json:"description,omitempty"`
119}
120
121type CreateReturnOrderResponse struct {
122	SubMchid    *string    `json:"sub_mchid,omitempty"`
123	OrderId     *string    `json:"order_id,omitempty"`
124	OutOrderNo  *string    `json:"out_order_no,omitempty"`
125	OutReturnNo *string    `json:"out_return_no,omitempty"`
126	ReturnMchid *string    `json:"return_mchid,omitempty"`
127	Amount      *int64     `json:"amount,omitempty"`
128	ReturnNo    *string    `json:"return_no,omitempty"`
129	Result      *string    `json:"result,omitempty"`
130	FailReason  *string    `json:"fail_reason,omitempty"`
131	FinishTime  *time.Time `json:"finish_time,omitempty"`
132}
133