1package main
2
3import (
4 "bytes"
5 "demo/wxpay_utility"
6 "encoding/json"
7 "fmt"
8 "net/http"
9 "net/url"
10 "time"
11)
12
13func main() {
14
15 config, err := wxpay_utility.CreateMchConfig(
16 "19xxxxxxxx",
17 "1DDE55AD98Exxxxxxxxxx",
18 "/path/to/apiclient_key.pem",
19 "PUB_KEY_ID_xxxxxxxxxxxxx",
20 "/path/to/wxp_pub.pem",
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
47 return
48 }
49
50
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 respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
88 if err != nil {
89 return nil, err
90 }
91 if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
92
93 err = wxpay_utility.ValidateResponse(
94 config.WechatPayPublicKeyId(),
95 config.WechatPayPublicKey(),
96 &httpResponse.Header,
97 respBody,
98 )
99 if err != nil {
100 return nil, err
101 }
102 response := &PreTransferResponse{}
103 if err := json.Unmarshal(respBody, response); err != nil {
104 return nil, err
105 }
106
107 return response, nil
108 } else {
109 return nil, wxpay_utility.NewApiException(
110 httpResponse.StatusCode,
111 httpResponse.Header,
112 respBody,
113 )
114 }
115}
116
117type TransferRequest struct {
118 SpAppid *string `json:"sp_appid,omitempty"`
119 Receiver *ReceiverEntity `json:"receiver,omitempty"`
120 OutBillNo *string `json:"out_bill_no,omitempty"`
121 Amount *int64 `json:"amount,omitempty"`
122 TransferRemark *string `json:"transfer_remark,omitempty"`
123 SponsorMchid *string `json:"sponsor_mchid,omitempty"`
124 UserRecvPerception *string `json:"user_recv_perception,omitempty"`
125 NotifyUrl *string `json:"notify_url,omitempty"`
126}
127
128type PreTransferResponse struct {
129 OutBillNo *string `json:"out_bill_no,omitempty"`
130 BillId *string `json:"bill_id,omitempty"`
131 AcceptTime *time.Time `json:"accept_time,omitempty"`
132 PackageInfo *string `json:"package_info,omitempty"`
133}
134
135type ReceiverEntity struct {
136 Type *ReceiverType `json:"type,omitempty"`
137 TransactionInfo *TransactionInfo `json:"transaction_info,omitempty"`
138}
139
140type ReceiverType string
141
142func (e ReceiverType) Ptr() *ReceiverType {
143 return &e
144}
145
146const (
147 RECEIVERTYPE_TRANSACTION_USER ReceiverType = "TRANSACTION_USER"
148)
149
150type TransactionInfo struct {
151 TransactionId *string `json:"transaction_id,omitempty"`
152 Type *TransactionType `json:"type,omitempty"`
153}
154
155type TransactionType string
156
157func (e TransactionType) Ptr() *TransactionType {
158 return &e
159}
160
161const (
162 TRANSACTIONTYPE_WXPAY TransactionType = "WXPAY"
163 TRANSACTIONTYPE_WXVALUE TransactionType = "WXVALUE"
164)
165
