请求分账回退

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
51      // TODO: 请求成功，继续业务逻辑
52      System.out.println(response);
53    } catch (WXPayUtility.ApiException e) {
54      // TODO: 请求失败，根据状态码执行不同的逻辑
55      e.printStackTrace();
56    }
57  }
58
59  public CreateReturnOrderResponse run(CreateReturnOrderRequest request) {
60    String uri = PATH;
61    String reqBody = WXPayUtility.toJson(request);
62
63    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
64    reqBuilder.addHeader("Accept", "application/json");
65    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
66    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo,privateKey, METHOD, uri, reqBody));
67    reqBuilder.addHeader("Content-Type", "application/json");
68    RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), reqBody);
69    reqBuilder.method(METHOD, requestBody);
70    Request httpRequest = reqBuilder.build();
71
72    // 发送HTTP请求
73    OkHttpClient client = new OkHttpClient.Builder().build();
74    try (Response httpResponse = client.newCall(httpRequest).execute()) {
75      String respBody = WXPayUtility.extractBody(httpResponse);
76      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
77        // 2XX 成功，验证应答签名
78        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
79            httpResponse.headers(), respBody);
80
81        // 从HTTP应答报文构建返回数据
82        return WXPayUtility.fromJson(respBody, CreateReturnOrderResponse.class);
83      } else {
84        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
85      }
86    } catch (IOException e) {
87      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
88    }
89  }
90
91  private final String mchid;
92  private final String certificateSerialNo;
93  private final PrivateKey privateKey;
94  private final String wechatPayPublicKeyId;
95  private final PublicKey wechatPayPublicKey;
96
97  public CreateReturnOrder(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
98    this.mchid = mchid;
99    this.certificateSerialNo = certificateSerialNo;
100    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
101    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
102    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
103  }
104
105  public static class CreateReturnOrderRequest {
106    @SerializedName("sub_mchid")
107    public String subMchid;
108  
109    @SerializedName("order_id")
110    public String orderId;
111  
112    @SerializedName("out_order_no")
113    public String outOrderNo;
114  
115    @SerializedName("out_return_no")
116    public String outReturnNo;
117  
118    @SerializedName("return_mchid")
119    public String returnMchid;
120  
121    @SerializedName("amount")
122    public Long amount;
123  
124    @SerializedName("description")
125    public String description;
126  }
127  
128  public static class CreateReturnOrderResponse {
129    @SerializedName("sub_mchid")
130    public String subMchid;
131  
132    @SerializedName("order_id")
133    public String orderId;
134  
135    @SerializedName("out_order_no")
136    public String outOrderNo;
137  
138    @SerializedName("out_return_no")
139    public String outReturnNo;
140  
141    @SerializedName("return_mchid")
142    public String returnMchid;
143  
144    @SerializedName("amount")
145    public Long amount;
146  
147    @SerializedName("return_no")
148    public String returnNo;
149  
150    @SerializedName("result")
151    public String result;
152  
153    @SerializedName("fail_reason")
154    public String failReason;
155  
156    @SerializedName("finish_time")
157    public String finishTime;
158  }
159  
160}
161

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
82	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
83	if err != nil {
84		return nil, err
85	}
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 nil, err
97		}
98
99		response := &CreateReturnOrderResponse{}
100		if err := json.Unmarshal(respBody, response); err != nil {
101			return nil, err
102		}
103
104		return response, nil
105	} else {
106		return nil, wxpay_utility.NewApiException(
107			httpResponse.StatusCode,
108			httpResponse.Header,
109			respBody,
110		)
111	}
112}
113
114type CreateReturnOrderRequest struct {
115	SubMchid    *string `json:"sub_mchid,omitempty"`
116	OrderId     *string `json:"order_id,omitempty"`
117	OutOrderNo  *string `json:"out_order_no,omitempty"`
118	OutReturnNo *string `json:"out_return_no,omitempty"`
119	ReturnMchid *string `json:"return_mchid,omitempty"`
120	Amount      *int64  `json:"amount,omitempty"`
121	Description *string `json:"description,omitempty"`
122}
123
124type CreateReturnOrderResponse struct {
125	SubMchid    *string    `json:"sub_mchid,omitempty"`
126	OrderId     *string    `json:"order_id,omitempty"`
127	OutOrderNo  *string    `json:"out_order_no,omitempty"`
128	OutReturnNo *string    `json:"out_return_no,omitempty"`
129	ReturnMchid *string    `json:"return_mchid,omitempty"`
130	Amount      *int64     `json:"amount,omitempty"`
131	ReturnNo    *string    `json:"return_no,omitempty"`
132	Result      *string    `json:"result,omitempty"`
133	FailReason  *string    `json:"fail_reason,omitempty"`
134	FinishTime  *time.Time `json:"finish_time,omitempty"`
135}
136

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