查询申请单-使用业务单号和商户

1curl -X GET \
2  https://api.mch.weixin.qq.com/v3/mchalterapply/merchantnamealterapplyment/merchant/1900006491/out-request-no/1900013511_10000 \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" 
5

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 * 修改商户简称：查询申请单-使用业务单号和商户号
24 */
25public class GetMerchantNameAlterByOutRequestNo {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "GET";
28  private static String PATH = "/v3/mchalterapply/merchantnamealterapplyment/merchant/{sub_mchid}/out-request-no/{out_request_no}";
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    GetMerchantNameAlterByOutRequestNo client = new GetMerchantNameAlterByOutRequestNo(
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    GetMerchantNameAlterByOutRequestNoRequest request = new GetMerchantNameAlterByOutRequestNoRequest();
41    request.subMchid = "1900006491";
42    request.outRequestNo = "1900013511_10000";
43    try {
44      GetMerchantNameAlterApplymentResponse response = client.run(request);
45        // TODO: 请求成功，继续业务逻辑
46        System.out.println(response);
47    } catch (WXPayUtility.ApiException e) {
48        // TODO: 请求失败，根据状态码执行不同的逻辑
49        e.printStackTrace();
50    }
51  }
52
53  public GetMerchantNameAlterApplymentResponse run(GetMerchantNameAlterByOutRequestNoRequest request) {
54    String uri = PATH;
55    uri = uri.replace("{sub_mchid}", WXPayUtility.urlEncode(request.subMchid));
56    uri = uri.replace("{out_request_no}", WXPayUtility.urlEncode(request.outRequestNo));
57
58    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
59    reqBuilder.addHeader("Accept", "application/json");
60    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
61    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo, privateKey, METHOD, uri, null));
62    reqBuilder.method(METHOD, null);
63    Request httpRequest = reqBuilder.build();
64
65    // 发送HTTP请求
66    OkHttpClient client = new OkHttpClient.Builder().build();
67    try (Response httpResponse = client.newCall(httpRequest).execute()) {
68      String respBody = WXPayUtility.extractBody(httpResponse);
69      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
70        // 2XX 成功，验证应答签名
71        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
72            httpResponse.headers(), respBody);
73
74        // 从HTTP应答报文构建返回数据
75        return WXPayUtility.fromJson(respBody, GetMerchantNameAlterApplymentResponse.class);
76      } else {
77        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
78      }
79    } catch (IOException e) {
80      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
81    }
82  }
83
84  private final String mchid;
85  private final String certificateSerialNo;
86  private final PrivateKey privateKey;
87  private final String wechatPayPublicKeyId;
88  private final PublicKey wechatPayPublicKey;
89
90  public GetMerchantNameAlterByOutRequestNo(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
91    this.mchid = mchid;
92    this.certificateSerialNo = certificateSerialNo;
93    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
94    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
95    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
96  }
97
98  public static class GetMerchantNameAlterByOutRequestNoRequest {
99    @SerializedName("sub_mchid")
100    @Expose(serialize = false)
101    public String subMchid;
102  
103    @SerializedName("out_request_no")
104    @Expose(serialize = false)
105    public String outRequestNo;
106  }
107  
108  public static class GetMerchantNameAlterApplymentResponse {
109    @SerializedName("apply_id")
110    public String applyId;
111  
112    @SerializedName("out_request_no")
113    public String outRequestNo;
114  
115    @SerializedName("sub_mchid")
116    public String subMchid;
117  
118    @SerializedName("state")
119    public ApplymentState state;
120  
121    @SerializedName("audit_reject_reason")
122    public String auditRejectReason;
123  }
124  
125  public enum ApplymentState {
126    @SerializedName("APPLYMENT_STATE_AUDITING")
127    APPLYMENT_STATE_AUDITING,
128    @SerializedName("APPLYMENT_STATE_REJECTED")
129    APPLYMENT_STATE_REJECTED,
130    @SerializedName("APPLYMENT_STATE_MODIFING")
131    APPLYMENT_STATE_MODIFING,
132    @SerializedName("APPLYMENT_STATE_FINISHED")
133    APPLYMENT_STATE_FINISHED,
134    @SerializedName("APPLYMENT_STATE_CANCELED")
135    APPLYMENT_STATE_CANCELED
136  }
137  
138}
139

1package main
2
3import (
4	"demo/wxpay_utility" // 引用微信支付工具库，参考 https://pay.weixin.qq.com/doc/v3/partner/4015119446
5	"encoding/json"
6	"fmt"
7	"net/http"
8	"net/url"
9	"strings"
10)
11
12func main() {
13	// TODO: 请准备商户开发必要参数，参考：https://pay.weixin.qq.com/doc/v3/partner/4013080340
14	config, err := wxpay_utility.CreateMchConfig(
15		"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
16		"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
17		"/path/to/apiclient_key.pem", // 商户API证书私钥文件路径，本地文件路径
18		"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
19		"/path/to/wxp_pub.pem",       // 微信支付公钥文件路径，本地文件路径
20	)
21	if err != nil {
22		fmt.Println(err)
23		return
24	}
25
26	request := &GetMerchantNameAlterByOutRequestNoRequest{
27		SubMchid:     wxpay_utility.String("1900006491"),
28		OutRequestNo: wxpay_utility.String("1900013511_10000"),
29	}
30
31	response, err := GetMerchantNameAlterByOutRequestNo(config, request)
32	if err != nil {
33		fmt.Printf("请求失败: %+v\n", err)
34		// TODO: 请求失败，根据状态码执行不同的处理
35		return
36	}
37
38	// TODO: 请求成功，继续业务逻辑
39	fmt.Printf("请求成功: %+v\n", response)
40}
41
42func GetMerchantNameAlterByOutRequestNo(config *wxpay_utility.MchConfig, request *GetMerchantNameAlterByOutRequestNoRequest) (response *GetMerchantNameAlterApplymentResponse, err error) {
43	const (
44		host   = "https://api.mch.weixin.qq.com"
45		method = "GET"
46		path   = "/v3/mchalterapply/merchantnamealterapplyment/merchant/{sub_mchid}/out-request-no/{out_request_no}"
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, "{sub_mchid}", url.PathEscape(*request.SubMchid), -1)
54	reqUrl.Path = strings.Replace(reqUrl.Path, "{out_request_no}", url.PathEscape(*request.OutRequestNo), -1)
55	httpRequest, err := http.NewRequest(method, reqUrl.String(), nil)
56	if err != nil {
57		return nil, err
58	}
59	httpRequest.Header.Set("Accept", "application/json")
60	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
61	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), nil)
62	if err != nil {
63		return nil, err
64	}
65	httpRequest.Header.Set("Authorization", authorization)
66
67	client := &http.Client{}
68	httpResponse, err := client.Do(httpRequest)
69	if err != nil {
70		return nil, err
71	}
72	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
73	if err != nil {
74		return nil, err
75	}
76	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
77		// 2XX 成功，验证应答签名
78		err = wxpay_utility.ValidateResponse(
79			config.WechatPayPublicKeyId(),
80			config.WechatPayPublicKey(),
81			&httpResponse.Header,
82			respBody,
83		)
84		if err != nil {
85			return nil, err
86		}
87		response := &GetMerchantNameAlterApplymentResponse{}
88		if err := json.Unmarshal(respBody, response); err != nil {
89			return nil, err
90		}
91
92		return response, nil
93	} else {
94		return nil, wxpay_utility.NewApiException(
95			httpResponse.StatusCode,
96			httpResponse.Header,
97			respBody,
98		)
99	}
100}
101
102type GetMerchantNameAlterByOutRequestNoRequest struct {
103	SubMchid     *string `json:"sub_mchid,omitempty"`
104	OutRequestNo *string `json:"out_request_no,omitempty"`
105}
106
107func (o *GetMerchantNameAlterByOutRequestNoRequest) MarshalJSON() ([]byte, error) {
108	type Alias GetMerchantNameAlterByOutRequestNoRequest
109	a := &struct {
110		SubMchid     *string `json:"sub_mchid,omitempty"`
111		OutRequestNo *string `json:"out_request_no,omitempty"`
112		*Alias
113	}{
114		// 序列化时移除非 Body 字段
115		SubMchid:     nil,
116		OutRequestNo: nil,
117		Alias:        (*Alias)(o),
118	}
119	return json.Marshal(a)
120}
121
122type GetMerchantNameAlterApplymentResponse struct {
123	ApplyId           *string         `json:"apply_id,omitempty"`
124	OutRequestNo      *string         `json:"out_request_no,omitempty"`
125	SubMchid          *string         `json:"sub_mchid,omitempty"`
126	State             *ApplymentState `json:"state,omitempty"`
127	AuditRejectReason *string         `json:"audit_reject_reason,omitempty"`
128}
129
130type ApplymentState string
131
132func (e ApplymentState) Ptr() *ApplymentState {
133	return &e
134}
135
136const (
137	APPLYMENTSTATE_APPLYMENT_STATE_AUDITING ApplymentState = "APPLYMENT_STATE_AUDITING"
138	APPLYMENTSTATE_APPLYMENT_STATE_REJECTED ApplymentState = "APPLYMENT_STATE_REJECTED"
139	APPLYMENTSTATE_APPLYMENT_STATE_MODIFING ApplymentState = "APPLYMENT_STATE_MODIFING"
140	APPLYMENTSTATE_APPLYMENT_STATE_FINISHED ApplymentState = "APPLYMENT_STATE_FINISHED"
141	APPLYMENTSTATE_APPLYMENT_STATE_CANCELED ApplymentState = "APPLYMENT_STATE_CANCELED"
142)
143