请求赔付预下单

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 * 请求赔付预下单
24 */
25public class CompensationBillPreTransfer {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "POST";
28  private static String PATH = "/v3/platsolution/ecommerce/mch-transfer/compensate-bills/pre-transfer";
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    CompensationBillPreTransfer client = new CompensationBillPreTransfer(
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    TransferRequest request = new TransferRequest();
41    request.spAppid = "wx8888888888888888";
42    request.receiver = new ReceiverEntity();
43    request.receiver.type = ReceiverType.MERCHANT;
44    request.receiver.mchInfo = new MerchantInfo();
45    request.receiver.mchInfo.mchid = "1900001108";
46    request.outBillNo = "plfk2020042013";
47    request.amount = 10000L;
48    request.transferRemark = "直播违规扣罚";
49    request.sponsorMchid = "1900001109";
50    request.userRecvPerception = "退货运费补偿";
51    request.notifyUrl = "https://www.weixin.qq.com/wxpay/pay.php";
52    try {
53      PreTransferResponse response = client.run(request);
54
55      // TODO: 请求成功，继续业务逻辑
56      System.out.println(response);
57    } catch (WXPayUtility.ApiException e) {
58      // TODO: 请求失败，根据状态码执行不同的逻辑
59      e.printStackTrace();
60    }
61  }
62
63  public PreTransferResponse run(TransferRequest request) {
64    String uri = PATH;
65    String reqBody = WXPayUtility.toJson(request);
66
67    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
68    reqBuilder.addHeader("Accept", "application/json");
69    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
70    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo,privateKey, METHOD, uri, reqBody));
71    reqBuilder.addHeader("Content-Type", "application/json");
72    RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), reqBody);
73    reqBuilder.method(METHOD, requestBody);
74    Request httpRequest = reqBuilder.build();
75
76    // 发送HTTP请求
77    OkHttpClient client = new OkHttpClient.Builder().build();
78    try (Response httpResponse = client.newCall(httpRequest).execute()) {
79      String respBody = WXPayUtility.extractBody(httpResponse);
80      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
81        // 2XX 成功，验证应答签名
82        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
83            httpResponse.headers(), respBody);
84
85        // 从HTTP应答报文构建返回数据
86        return WXPayUtility.fromJson(respBody, PreTransferResponse.class);
87      } else {
88        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
89      }
90    } catch (IOException e) {
91      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
92    }
93  }
94
95  private final String mchid;
96  private final String certificateSerialNo;
97  private final PrivateKey privateKey;
98  private final String wechatPayPublicKeyId;
99  private final PublicKey wechatPayPublicKey;
100
101  public CompensationBillPreTransfer(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
102    this.mchid = mchid;
103    this.certificateSerialNo = certificateSerialNo;
104    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
105    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
106    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
107  }
108
109  public static class TransferRequest {
110    @SerializedName("sp_appid")
111    public String spAppid;
112  
113    @SerializedName("receiver")
114    public ReceiverEntity receiver;
115  
116    @SerializedName("out_bill_no")
117    public String outBillNo;
118  
119    @SerializedName("amount")
120    public Long amount;
121  
122    @SerializedName("transfer_remark")
123    public String transferRemark;
124  
125    @SerializedName("sponsor_mchid")
126    public String sponsorMchid;
127  
128    @SerializedName("user_recv_perception")
129    public String userRecvPerception;
130  
131    @SerializedName("notify_url")
132    public String notifyUrl;
133  }
134  
135  public static class PreTransferResponse {
136    @SerializedName("out_bill_no")
137    public String outBillNo;
138  
139    @SerializedName("bill_id")
140    public String billId;
141  
142    @SerializedName("accept_time")
143    public String acceptTime;
144  
145    @SerializedName("package_info")
146    public String packageInfo;
147  }
148  
149  public static class ReceiverEntity {
150    @SerializedName("type")
151    public ReceiverType type;
152  
153    @SerializedName("transaction_info")
154    public TransactionInfo transactionInfo;
155  }
156  
157  public enum ReceiverType {
158    @SerializedName("TRANSACTION_USER")
159    TRANSACTION_USER
160  }
161  
162  public static class TransactionInfo {
163    @SerializedName("transaction_id")
164    public String transactionId;
165  
166    @SerializedName("type")
167    public TransactionType type;
168  }
169  
170  public enum TransactionType {
171    @SerializedName("WXPAY")
172    WXPAY,
173    @SerializedName("WXVALUE")
174    WXVALUE
175  }
176  
177}
178

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 := &TransferRequest{
28		SpAppid: wxpay_utility.String("wx8888888888888888"),
29		Receiver: &ReceiverEntity{
30			Type: RECEIVERTYPE_MERCHANT.Ptr(),
31			MchInfo: &MerchantInfo{
32				Mchid: wxpay_utility.String("1900001108"),
33			},
34		},
35		OutBillNo:          wxpay_utility.String("plfk2020042013"),
36		Amount:             wxpay_utility.Int64(10000),
37		TransferRemark:     wxpay_utility.String("直播违规扣罚"),
38		SponsorMchid:       wxpay_utility.String("1900001109"),
39		UserRecvPerception: wxpay_utility.String("退货运费补偿"),
40		NotifyUrl:          wxpay_utility.String("https://www.weixin.qq.com/wxpay/pay.php"),
41	}
42
43	response, err := CompensationBillPreTransfer(config, request)
44	if err != nil {
45		fmt.Printf("请求失败: %+v\n", err)
46		// TODO: 请求失败，根据状态码执行不同的处理
47		return
48	}
49
50	// TODO: 请求成功，继续业务逻辑
51	fmt.Printf("请求成功: %+v\n", response)
52}
53
54func CompensationBillPreTransfer(config *wxpay_utility.MchConfig, request *TransferRequest) (response *PreTransferResponse, err error) {
55	const (
56		host   = "https://api.mch.weixin.qq.com"
57		method = "POST"
58		path   = "/v3/platsolution/ecommerce/mch-transfer/compensate-bills/pre-transfer"
59	)
60
61	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
62	if err != nil {
63		return nil, err
64	}
65	reqBody, err := json.Marshal(request)
66	if err != nil {
67		return nil, err
68	}
69	httpRequest, err := http.NewRequest(method, reqUrl.String(), bytes.NewReader(reqBody))
70	if err != nil {
71		return nil, err
72	}
73	httpRequest.Header.Set("Accept", "application/json")
74	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
75	httpRequest.Header.Set("Content-Type", "application/json")
76	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), reqBody)
77	if err != nil {
78		return nil, err
79	}
80	httpRequest.Header.Set("Authorization", authorization)
81
82	client := &http.Client{}
83	httpResponse, err := client.Do(httpRequest)
84	if err != nil {
85		return nil, err
86	}
87
88	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
89	if err != nil {
90		return nil, err
91	}
92
93	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
94		// 2XX 成功，验证应答签名
95		err = wxpay_utility.ValidateResponse(
96			config.WechatPayPublicKeyId(),
97			config.WechatPayPublicKey(),
98			&httpResponse.Header,
99			respBody,
100		)
101		if err != nil {
102			return nil, err
103		}
104
105		if err := json.Unmarshal(respBody, response); err != nil {
106			return nil, err
107		}
108
109		return response, nil
110	} else {
111		return nil, wxpay_utility.NewApiException(
112			httpResponse.StatusCode,
113			httpResponse.Header,
114			respBody,
115		)
116	}
117}
118
119type TransferRequest struct {
120	SpAppid            *string         `json:"sp_appid,omitempty"`
121	Receiver           *ReceiverEntity `json:"receiver,omitempty"`
122	OutBillNo          *string         `json:"out_bill_no,omitempty"`
123	Amount             *int64          `json:"amount,omitempty"`
124	TransferRemark     *string         `json:"transfer_remark,omitempty"`
125	SponsorMchid       *string         `json:"sponsor_mchid,omitempty"`
126	UserRecvPerception *string         `json:"user_recv_perception,omitempty"`
127	NotifyUrl          *string         `json:"notify_url,omitempty"`
128}
129
130type PreTransferResponse struct {
131	OutBillNo   *string    `json:"out_bill_no,omitempty"`
132	BillId      *string    `json:"bill_id,omitempty"`
133	AcceptTime  *time.Time `json:"accept_time,omitempty"`
134	PackageInfo *string    `json:"package_info,omitempty"`
135}
136
137type ReceiverEntity struct {
138	Type            *ReceiverType    `json:"type,omitempty"`
139	TransactionInfo *TransactionInfo `json:"transaction_info,omitempty"`
140}
141
142type ReceiverType string
143
144func (e ReceiverType) Ptr() *ReceiverType {
145	return &e
146}
147
148const (
149	RECEIVERTYPE_TRANSACTION_USER ReceiverType = "TRANSACTION_USER"
150)
151
152type TransactionInfo struct {
153	TransactionId *string          `json:"transaction_id,omitempty"`
154	Type          *TransactionType `json:"type,omitempty"`
155}
156
157type TransactionType string
158
159func (e TransactionType) Ptr() *TransactionType {
160	return &e
161}
162
163const (
164	TRANSACTIONTYPE_WXPAY   TransactionType = "WXPAY"
165	TRANSACTIONTYPE_WXVALUE TransactionType = "WXVALUE"
166)
167

1curl -X POST \
2  https://api.mch.weixin.qq.com/v3/platsolution/ecommerce/mch-transfer/compensate-bills/pre-transfer \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" \
5  -H "Content-Type: application/json" \
6  -d '{
7    "sp_appid" : "wx8888888888888888",
8    "receiver" : {
9      "type" : "TRANSACTION_USER",
10      "transaction_info" : {
11        "transaction_id" : "1217752501201407033233368018",
12        "type" : "WXPAY"
13      }
14    },
15    "out_bill_no" : "plfk2020042013",
16    "amount" : 10000,
17    "transfer_remark" : "直播违规扣罚",
18    "sponsor_mchid" : "1900001109",
19    "user_recv_perception" : "退货运费补偿",
20    "notify_url" : "https://www.weixin.qq.com/wxpay/pay.php"
21  }'
22