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 := &QueryContractsByCodeRequest{
27 Appid: wxpay_utility.String("wxd678efh567h23787"),
28 OutContractCode: wxpay_utility.String("APPLYMENT_00000000001"),
29 }
30
31 response, err := QueryContractsByCode(config, request)
32 if err != nil {
33 fmt.Printf("请求失败: %+v\n", err)
34
35 return
36 }
37
38
39 fmt.Printf("请求成功: %+v\n", response)
40}
41
42func QueryContractsByCode(config *wxpay_utility.MchConfig, request *QueryContractsByCodeRequest) (response *QueryContractsByCodeResponse, err error) {
43 const (
44 host = "https://api.mch.weixin.qq.com"
45 method = "GET"
46 path = "/v3/ecommerce/individual-contracts/out-contract-code/{out_contract_code}"
47 )
48
49 reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
50 if err != nil {
51 return nil, err
52 }
53 reqUrl.Path = strings.Replace(reqUrl.Path, "{out_contract_code}", url.PathEscape(*request.OutContractCode), -1)
54 query := reqUrl.Query()
55 if request.Appid != nil {
56 query.Add("appid", *request.Appid)
57 }
58 reqUrl.RawQuery = query.Encode()
59 httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
60 if err != nil {
61 return nil, err
62 }
63 httpRequest.Header.Set("Accept", "application/json")
64 httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
65 authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
66 if err != nil {
67 return nil, err
68 }
69 httpRequest.Header.Set("Authorization", authorization)
70
71 client := &http.Client{}
72 httpResponse, err := client.Do(httpRequest)
73 if err != nil {
74 return nil, err
75 }
76 respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
77 if err != nil {
78 return nil, err
79 }
80 if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
81
82 err = wxpay_utility.ValidateResponse(
83 config.WechatPayPublicKeyId(),
84 config.WechatPayPublicKey(),
85 &httpResponse.Header,
86 respBody,
87 )
88 if err != nil {
89 return nil, err
90 }
91 response := &QueryContractsByCodeResponse{}
92 if err := json.Unmarshal(respBody, response); err != nil {
93 return nil, err
94 }
95
96 return response, nil
97 } else {
98 return nil, wxpay_utility.NewApiException(
99 httpResponse.StatusCode,
100 httpResponse.Header,
101 respBody,
102 )
103 }
104}
105
106type QueryContractsByCodeRequest struct {
107 Appid *string `json:"appid,omitempty"`
108 OutContractCode *string `json:"out_contract_code,omitempty"`
109}
110
111func (o *QueryContractsByCodeRequest) MarshalJSON() ([]byte, error) {
112 type Alias QueryContractsByCodeRequest
113 a := &struct {
114 Appid *string `json:"appid,omitempty"`
115 OutContractCode *string `json:"out_contract_code,omitempty"`
116 *Alias
117 }{
118
119 Appid: nil,
120 OutContractCode: nil,
121 Alias: (*Alias)(o),
122 }
123 return json.Marshal(a)
124}
125
126type QueryContractsByCodeResponse struct {
127 IndividualAuthId *string `json:"individual_auth_id,omitempty"`
128 SignedTime *string `json:"signed_time,omitempty"`
129 AuthState *AuthState `json:"auth_state,omitempty"`
130 IndividualOpenid *string `json:"individual_openid,omitempty"`
131 RealNameAuthResult *RealNameAuthResult `json:"real_name_auth_result,omitempty"`
132}
133
134type AuthState string
135
136func (e AuthState) Ptr() *AuthState {
137 return &e
138}
139
140const (
141 AUTHSTATE_AUTHORIZED AuthState = "AUTHORIZED"
142 AUTHSTATE_UNAUTHORIZED AuthState = "UNAUTHORIZED"
143)
144
145type RealNameAuthResult struct {
146 Scope *string `json:"scope,omitempty"`
147 AccessToken *string `json:"access_token,omitempty"`
148 AccessTokenExpireTime *string `json:"access_token_expire_time,omitempty"`
149}
150
