请求分账回退

1curl -X POST \
2  https://api.mch.weixin.qq.com/v3/profitsharing/return-orders \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" \
5  -H "Content-Type: application/json" \
6  -d '{
7    "order_id" : "3008450740201411110007820472",
8    "out_order_no" : "P20150806125346",
9    "out_return_no" : "R20190516001",
10    "return_mchid" : "86693852",
11    "amount" : 10,
12    "description" : "用户退款"
13  }'
14

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/merchant/4014931831
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/profitsharing/return-orders";
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/merchant/4013070756
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/merchant/4013070756
34      "1DDE55AD98Exxxxxxxxxx",         // 商户API证书序列号，如何获取请参考 https://pay.weixin.qq.com/doc/v3/merchant/4013053053
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/merchant/4013038816
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.orderId = "3008450740201411110007820472";
42    request.outOrderNo = "P20150806125346";
43    request.outReturnNo = "R20190516001";
44    request.returnMchid = "86693852";
45    request.amount = 10L;
46    request.description = "用户退款";
47    try {
48      ReturnOrdersEntity response = client.run(request);
49        // TODO: 请求成功，继续业务逻辑
50        System.out.println(response);
51    } catch (WXPayUtility.ApiException e) {
52        // TODO: 请求失败，根据状态码执行不同的逻辑
53        e.printStackTrace();
54    }
55  }
56
57  public ReturnOrdersEntity run(CreateReturnOrderRequest request) {
58    String uri = PATH;
59    String reqBody = WXPayUtility.toJson(request);
60
61    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
62    reqBuilder.addHeader("Accept", "application/json");
63    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
64    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo,privateKey, METHOD, uri, reqBody));
65    reqBuilder.addHeader("Content-Type", "application/json");
66    RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), reqBody);
67    reqBuilder.method(METHOD, requestBody);
68    Request httpRequest = reqBuilder.build();
69
70    // 发送HTTP请求
71    OkHttpClient client = new OkHttpClient.Builder().build();
72    try (Response httpResponse = client.newCall(httpRequest).execute()) {
73      String respBody = WXPayUtility.extractBody(httpResponse);
74      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
75        // 2XX 成功，验证应答签名
76        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
77            httpResponse.headers(), respBody);
78
79        // 从HTTP应答报文构建返回数据
80        return WXPayUtility.fromJson(respBody, ReturnOrdersEntity.class);
81      } else {
82        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
83      }
84    } catch (IOException e) {
85      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
86    }
87  }
88
89  private final String mchid;
90  private final String certificateSerialNo;
91  private final PrivateKey privateKey;
92  private final String wechatPayPublicKeyId;
93  private final PublicKey wechatPayPublicKey;
94
95  public CreateReturnOrder(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
96    this.mchid = mchid;
97    this.certificateSerialNo = certificateSerialNo;
98    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
99    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
100    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
101  }
102
103  public static class CreateReturnOrderRequest {
104    @SerializedName("order_id")
105    public String orderId;
106  
107    @SerializedName("out_order_no")
108    public String outOrderNo;
109  
110    @SerializedName("out_return_no")
111    public String outReturnNo;
112  
113    @SerializedName("return_mchid")
114    public String returnMchid;
115  
116    @SerializedName("amount")
117    public Long amount;
118  
119    @SerializedName("description")
120    public String description;
121  }
122  
123  public static class ReturnOrdersEntity {
124    @SerializedName("order_id")
125    public String orderId;
126  
127    @SerializedName("out_order_no")
128    public String outOrderNo;
129  
130    @SerializedName("out_return_no")
131    public String outReturnNo;
132  
133    @SerializedName("return_id")
134    public String returnId;
135  
136    @SerializedName("return_mchid")
137    public String returnMchid;
138  
139    @SerializedName("amount")
140    public Long amount;
141  
142    @SerializedName("description")
143    public String description;
144  
145    @SerializedName("result")
146    public ReturnOrderStatus result;
147  
148    @SerializedName("fail_reason")
149    public ReturnOrderFailReason failReason;
150  
151    @SerializedName("create_time")
152    public String createTime;
153  
154    @SerializedName("finish_time")
155    public String finishTime;
156  }
157  
158  public enum ReturnOrderStatus {
159    @SerializedName("PROCESSING")
160    PROCESSING,
161    @SerializedName("SUCCESS")
162    SUCCESS,
163    @SerializedName("FAILED")
164    FAILED
165  }
166  
167  public enum ReturnOrderFailReason {
168    @SerializedName("ACCOUNT_ABNORMAL")
169    ACCOUNT_ABNORMAL,
170    @SerializedName("BALANCE_NOT_ENOUGH")
171    BALANCE_NOT_ENOUGH,
172    @SerializedName("TIME_OUT_CLOSED")
173    TIME_OUT_CLOSED,
174    @SerializedName("PAYER_ACCOUNT_ABNORMAL")
175    PAYER_ACCOUNT_ABNORMAL,
176    @SerializedName("INVALID_REQUEST")
177    INVALID_REQUEST
178  }
179  
180}
181

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	"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/merchant/4013070756
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/merchant/4013070756
17		"1DDE55AD98Exxxxxxxxxx",      // 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		"/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/merchant/4013038816
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		OrderId:     wxpay_utility.String("3008450740201411110007820472"),
29		OutOrderNo:  wxpay_utility.String("P20150806125346"),
30		OutReturnNo: wxpay_utility.String("R20190516001"),
31		ReturnMchid: wxpay_utility.String("86693852"),
32		Amount:      wxpay_utility.Int64(10),
33		Description: wxpay_utility.String("用户退款"),
34	}
35
36	response, err := CreateReturnOrder(config, request)
37	if err != nil {
38		fmt.Printf("请求失败: %+v\n", err)
39		// TODO: 请求失败，根据状态码执行不同的处理
40		return
41	}
42
43	// TODO: 请求成功，继续业务逻辑
44	fmt.Printf("请求成功: %+v\n", response)
45}
46
47func CreateReturnOrder(config *wxpay_utility.MchConfig, request *CreateReturnOrderRequest) (response *ReturnOrdersEntity, err error) {
48	const (
49		host   = "https://api.mch.weixin.qq.com"
50		method = "POST"
51		path   = "/v3/profitsharing/return-orders"
52	)
53
54	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
55	if err != nil {
56		return nil, err
57	}
58	reqBody, err := json.Marshal(request)
59	if err != nil {
60		return nil, err
61	}
62	httpRequest, err := http.NewRequest(method, reqUrl.String(), bytes.NewReader(reqBody))
63	if err != nil {
64		return nil, err
65	}
66	httpRequest.Header.Set("Accept", "application/json")
67	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
68	httpRequest.Header.Set("Content-Type", "application/json")
69	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), reqBody)
70	if err != nil {
71		return nil, err
72	}
73	httpRequest.Header.Set("Authorization", authorization)
74
75	client := &http.Client{}
76	httpResponse, err := client.Do(httpRequest)
77	if err != nil {
78		return nil, err
79	}
80	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
81	if err != nil {
82		return nil, err
83	}
84	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
85		// 2XX 成功，验证应答签名
86		err = wxpay_utility.ValidateResponse(
87			config.WechatPayPublicKeyId(),
88			config.WechatPayPublicKey(),
89			&httpResponse.Header,
90			respBody,
91		)
92		if err != nil {
93			return nil, err
94		}
95		response := &ReturnOrdersEntity{}
96		if err := json.Unmarshal(respBody, response); err != nil {
97			return nil, err
98		}
99
100		return response, nil
101	} else {
102		return nil, wxpay_utility.NewApiException(
103			httpResponse.StatusCode,
104			httpResponse.Header,
105			respBody,
106		)
107	}
108}
109
110type CreateReturnOrderRequest struct {
111	OrderId     *string `json:"order_id,omitempty"`
112	OutOrderNo  *string `json:"out_order_no,omitempty"`
113	OutReturnNo *string `json:"out_return_no,omitempty"`
114	ReturnMchid *string `json:"return_mchid,omitempty"`
115	Amount      *int64  `json:"amount,omitempty"`
116	Description *string `json:"description,omitempty"`
117}
118
119type ReturnOrdersEntity struct {
120	OrderId     *string                `json:"order_id,omitempty"`
121	OutOrderNo  *string                `json:"out_order_no,omitempty"`
122	OutReturnNo *string                `json:"out_return_no,omitempty"`
123	ReturnId    *string                `json:"return_id,omitempty"`
124	ReturnMchid *string                `json:"return_mchid,omitempty"`
125	Amount      *int64                 `json:"amount,omitempty"`
126	Description *string                `json:"description,omitempty"`
127	Result      *ReturnOrderStatus     `json:"result,omitempty"`
128	FailReason  *ReturnOrderFailReason `json:"fail_reason,omitempty"`
129	CreateTime  *time.Time             `json:"create_time,omitempty"`
130	FinishTime  *time.Time             `json:"finish_time,omitempty"`
131}
132
133type ReturnOrderStatus string
134
135func (e ReturnOrderStatus) Ptr() *ReturnOrderStatus {
136	return &e
137}
138
139const (
140	RETURNORDERSTATUS_PROCESSING ReturnOrderStatus = "PROCESSING"
141	RETURNORDERSTATUS_SUCCESS    ReturnOrderStatus = "SUCCESS"
142	RETURNORDERSTATUS_FAILED     ReturnOrderStatus = "FAILED"
143)
144
145type ReturnOrderFailReason string
146
147func (e ReturnOrderFailReason) Ptr() *ReturnOrderFailReason {
148	return &e
149}
150
151const (
152	RETURNORDERFAILREASON_ACCOUNT_ABNORMAL       ReturnOrderFailReason = "ACCOUNT_ABNORMAL"
153	RETURNORDERFAILREASON_BALANCE_NOT_ENOUGH     ReturnOrderFailReason = "BALANCE_NOT_ENOUGH"
154	RETURNORDERFAILREASON_TIME_OUT_CLOSED        ReturnOrderFailReason = "TIME_OUT_CLOSED"
155	RETURNORDERFAILREASON_PAYER_ACCOUNT_ABNORMAL ReturnOrderFailReason = "PAYER_ACCOUNT_ABNORMAL"
156	RETURNORDERFAILREASON_INVALID_REQUEST        ReturnOrderFailReason = "INVALID_REQUEST"
157)
158