1package main
2
3import (
4 "demo/wxpay_utility"
5 "encoding/json"
6 "fmt"
7 "net/http"
8 "net/url"
9 "strings"
10)
11
12func main() {
13
14 config, err := wxpay_utility.CreateMchConfig(
15 "19xxxxxxxx",
16 "1DDE55AD98Exxxxxxxxxx",
17 "/path/to/apiclient_key.pem",
18 "PUB_KEY_ID_xxxxxxxxxxxxx",
19 "/path/to/wxp_pub.pem",
20 )
21 if err != nil {
22 fmt.Println(err)
23 return
24 }
25
26 request := &PartnerQueryContractByCodeRequest{
27 OutContractCode: wxpay_utility.String("WxCreditRepayment20200910100000"),
28 }
29
30 response, err := PartnerQueryContractByCode(config, request)
31 if err != nil {
32 fmt.Printf("请求失败: %+v\n", err)
33
34 return
35 }
36
37
38 fmt.Printf("请求成功: %+v\n", response)
39}
40
41func PartnerQueryContractByCode(config *wxpay_utility.MchConfig, request *PartnerQueryContractByCodeRequest) (response *Contract, err error) {
42 const (
43 host = "https://api.mch.weixin.qq.com"
44 method = "GET"
45 path = "/v3/credit-repayment/partner/contracts/{out_contract_code}"
46 )
47
48 reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
49 if err != nil {
50 return nil, err
51 }
52 reqUrl.Path = strings.Replace(reqUrl.Path, "{out_contract_code}", url.PathEscape(*request.OutContractCode), -1)
53 httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
54 if err != nil {
55 return nil, err
56 }
57 httpRequest.Header.Set("Accept", "application/json")
58 httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
59 authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
60 if err != nil {
61 return nil, err
62 }
63 httpRequest.Header.Set("Authorization", authorization)
64
65 client := &http.Client{}
66 httpResponse, err := client.Do(httpRequest)
67 if err != nil {
68 return nil, err
69 }
70 respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
71 if err != nil {
72 return nil, err
73 }
74 if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
75
76 err = wxpay_utility.ValidateResponse(
77 config.WechatPayPublicKeyId(),
78 config.WechatPayPublicKey(),
79 &httpResponse.Header,
80 respBody,
81 )
82 if err != nil {
83 return nil, err
84 }
85 response := &Contract{}
86 if err := json.Unmarshal(respBody, response); err != nil {
87 return nil, err
88 }
89
90 return response, nil
91 } else {
92 return nil, wxpay_utility.NewApiException(
93 httpResponse.StatusCode,
94 httpResponse.Header,
95 respBody,
96 )
97 }
98}
99
100type PartnerQueryContractByCodeRequest struct {
101 OutContractCode *string `json:"out_contract_code,omitempty"`
102}
103
104func (o *PartnerQueryContractByCodeRequest) MarshalJSON() ([]byte, error) {
105 type Alias PartnerQueryContractByCodeRequest
106 a := &struct {
107 OutContractCode *string `json:"out_contract_code,omitempty"`
108 *Alias
109 }{
110
111 OutContractCode: nil,
112 Alias: (*Alias)(o),
113 }
114 return json.Marshal(a)
115}
116
117type Contract struct {
118 ContractId *string `json:"contract_id,omitempty"`
119 PlanId *string `json:"plan_id,omitempty"`
120 OutContractCode *string `json:"out_contract_code,omitempty"`
121 DisplayName *string `json:"display_name,omitempty"`
122 ContractState *ContractState `json:"contract_state,omitempty"`
123 ContractSignedTime *string `json:"contract_signed_time,omitempty"`
124 ContractTerminatedTime *string `json:"contract_terminated_time,omitempty"`
125 ContractTerminationMode *TerminationMode `json:"contract_termination_mode,omitempty"`
126 ContractTerminationRemark *string `json:"contract_termination_remark,omitempty"`
127 RepaymentDay *int64 `json:"repayment_day,omitempty"`
128}
129
130type ContractState string
131
132func (e ContractState) Ptr() *ContractState {
133 return &e
134}
135
136const (
137 CONTRACTSTATE_CONTRACT_STATE_INVALID ContractState = "CONTRACT_STATE_INVALID"
138 CONTRACTSTATE_CONTRACT_STATE_EFFECTIVE ContractState = "CONTRACT_STATE_EFFECTIVE"
139 CONTRACTSTATE_CONTRACT_STATE_TERMINATED ContractState = "CONTRACT_STATE_TERMINATED"
140)
141
142type TerminationMode string
143
144func (e TerminationMode) Ptr() *TerminationMode {
145 return &e
146}
147
148const (
149 TERMINATIONMODE_TERMINATION_MODE_INVALID TerminationMode = "TERMINATION_MODE_INVALID"
150 TERMINATIONMODE_TERMINATION_MODE_BY_USER TerminationMode = "TERMINATION_MODE_BY_USER"
151 TERMINATIONMODE_TERMINATION_MODE_BY_MERCHANT TerminationMode = "TERMINATION_MODE_BY_MERCHANT"
152 TERMINATIONMODE_TERMINATION_MODE_BY_CUSTOMER_SERVICE TerminationMode = "TERMINATION_MODE_BY_CUSTOMER_SERVICE"
153)
154
