发起转账

1curl -X POST \
2  https://api.mch.weixin.qq.com/v3/fund-app/mch-transfer/transfer-bills \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" \
5  -H "Wechatpay-Serial: 5157F09EFDC096DE15EBE81A47057A7232F1B8E1"  \
6  -H "Content-Type: application/json" \
7  -d '{
8    "transfer_scene_report_infos" : [
9      {
10        "info_type" : "活动名称",
11        "info_content" : "新会员有礼"
12      },
13      {
14        "info_type" : "奖励说明",
15        "info_content" : "注册会员抽奖一等奖"
16      }
17    ],
18    "transfer_amount" : 400000,
19    "openid" : "o-MYE42l80oelYMDE34nYD456Xoy",
20    "user_name" : "757b340b45ebef5467rter35gf464344v3542sdf4t6re4tb4f54ty45t4yyry45",
21    "appid" : "wxf636efh567hg4356",
22    "out_bill_no" : "plfk2020042013",
23    "user_recv_perception" : "现金奖励",
24    "notify_url" : "https://www.weixin.qq.com/wxpay/pay.php",
25    "transfer_scene_id" : "1000",
26    "transfer_remark" : "新会员开通有礼"
27  }'
28

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/merchant/4014931831
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 * 发起转账
24 */
25public class TransferToUser {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "POST";
28  private static String PATH = "/v3/fund-app/mch-transfer/transfer-bills";
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/merchant/4013070756
32    TransferToUser client = new TransferToUser(
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/merchant/4013070756
34      "1DDE55AD98Exxxxxxxxxx",         // 商户API证书序列号，如何获取请参考 https://pay.weixin.qq.com/doc/v3/merchant/4013053053
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/merchant/4013038816
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    TransferToUserRequest request = new TransferToUserRequest();
41    request.appid = "wxf636efh567hg4356";
42    request.outBillNo = "plfk2020042013";
43    request.transferSceneId = "1000";
44    request.openid = "o-MYE42l80oelYMDE34nYD456Xoy";
45    request.userName = client.encrypt("user_name");
46    request.transferAmount = 400000L;
47    request.transferRemark = "新会员开通有礼";
48    request.notifyUrl = "https://www.weixin.qq.com/wxpay/pay.php";
49    request.userRecvPerception = "现金奖励";
50    request.transferSceneReportInfos = new ArrayList<>();
51    {
52      TransferSceneReportInfo transferSceneReportInfosItem0 = new TransferSceneReportInfo();
53      transferSceneReportInfosItem0.infoType = "活动名称";
54      transferSceneReportInfosItem0.infoContent = "新会员有礼";
55      request.transferSceneReportInfos.add(transferSceneReportInfosItem0);
56      TransferSceneReportInfo transferSceneReportInfosItem1 = new TransferSceneReportInfo();
57      transferSceneReportInfosItem1.infoType = "奖励说明";
58      transferSceneReportInfosItem1.infoContent = "注册会员抽奖一等奖";
59      request.transferSceneReportInfos.add(transferSceneReportInfosItem1);
60    };
61    try {
62      TransferToUserResponse response = client.run(request);
63        // TODO: 请求成功，继续业务逻辑
64        System.out.println(response);
65    } catch (WXPayUtility.ApiException e) {
66        // TODO: 请求失败，根据状态码执行不同的逻辑
67        e.printStackTrace();
68    }
69  }
70
71  public TransferToUserResponse run(TransferToUserRequest request) {
72    String uri = PATH;
73    String reqBody = WXPayUtility.toJson(request);
74
75    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
76    reqBuilder.addHeader("Accept", "application/json");
77    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
78    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo,privateKey, METHOD, uri, reqBody));
79    reqBuilder.addHeader("Content-Type", "application/json");
80    RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), reqBody);
81    reqBuilder.method(METHOD, requestBody);
82    Request httpRequest = reqBuilder.build();
83
84    // 发送HTTP请求
85    OkHttpClient client = new OkHttpClient.Builder().build();
86    try (Response httpResponse = client.newCall(httpRequest).execute()) {
87      String respBody = WXPayUtility.extractBody(httpResponse);
88      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
89        // 2XX 成功，验证应答签名
90        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
91            httpResponse.headers(), respBody);
92
93        // 从HTTP应答报文构建返回数据
94        return WXPayUtility.fromJson(respBody, TransferToUserResponse.class);
95      } else {
96        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
97      }
98    } catch (IOException e) {
99      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
100    }
101  }
102
103  private final String mchid;
104  private final String certificateSerialNo;
105  private final PrivateKey privateKey;
106  private final String wechatPayPublicKeyId;
107  private final PublicKey wechatPayPublicKey;
108
109  public TransferToUser(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
110    this.mchid = mchid;
111    this.certificateSerialNo = certificateSerialNo;
112    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
113    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
114    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
115  }
116
117  public String encrypt(String plainText) {
118    return WXPayUtility.encrypt(this.wechatPayPublicKey, plainText);
119  }
120
121  public static class TransferToUserRequest {
122    @SerializedName("appid")
123    public String appid;
124  
125    @SerializedName("out_bill_no")
126    public String outBillNo;
127  
128    @SerializedName("transfer_scene_id")
129    public String transferSceneId;
130  
131    @SerializedName("openid")
132    public String openid;
133  
134    @SerializedName("user_name")
135    public String userName;
136  
137    @SerializedName("transfer_amount")
138    public Long transferAmount;
139  
140    @SerializedName("transfer_remark")
141    public String transferRemark;
142  
143    @SerializedName("notify_url")
144    public String notifyUrl;
145  
146    @SerializedName("user_recv_perception")
147    public String userRecvPerception;
148  
149    @SerializedName("transfer_scene_report_infos")
150    public List<TransferSceneReportInfo> transferSceneReportInfos = new ArrayList<TransferSceneReportInfo>();
151  }
152  
153  public static class TransferToUserResponse {
154    @SerializedName("out_bill_no")
155    public String outBillNo;
156  
157    @SerializedName("transfer_bill_no")
158    public String transferBillNo;
159  
160    @SerializedName("create_time")
161    public String createTime;
162  
163    @SerializedName("state")
164    public TransferBillStatus state;
165  
166    @SerializedName("package_info")
167    public String packageInfo;
168  }
169  
170  public static class TransferSceneReportInfo {
171    @SerializedName("info_type")
172    public String infoType;
173  
174    @SerializedName("info_content")
175    public String infoContent;
176  }
177  
178  public enum TransferBillStatus {
179    @SerializedName("ACCEPTED")
180    ACCEPTED,
181    @SerializedName("PROCESSING")
182    PROCESSING,
183    @SerializedName("WAIT_USER_CONFIRM")
184    WAIT_USER_CONFIRM,
185    @SerializedName("TRANSFERING")
186    TRANSFERING,
187    @SerializedName("SUCCESS")
188    SUCCESS,
189    @SerializedName("FAIL")
190    FAIL,
191    @SerializedName("CANCELING")
192    CANCELING,
193    @SerializedName("CANCELLED")
194    CANCELLED
195  }
196  
197}
198

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/merchant/4015119334
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/merchant/4013070756
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/merchant/4013070756
17		"1DDE55AD98Exxxxxxxxxx",      // 商户API证书序列号，如何获取请参考 https://pay.weixin.qq.com/doc/v3/merchant/4013053053
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/merchant/4013038816
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 := &TransferToUserRequest{
28		Appid:              wxpay_utility.String("wxf636efh567hg4356"),
29		OutBillNo:          wxpay_utility.String("plfk2020042013"),
30		TransferSceneId:    wxpay_utility.String("1000"),
31		Openid:             wxpay_utility.String("o-MYE42l80oelYMDE34nYD456Xoy"),
32		UserName:           wxpay_utility.String("757b340b45ebef5467rter35gf464344v3542sdf4t6re4tb4f54ty45t4yyry45"), /*请传入 wxpay_utility.EncryptOAEPWithPublicKey 加密结果*/
33		TransferAmount:     wxpay_utility.Int64(400000),
34		TransferRemark:     wxpay_utility.String("新会员开通有礼"),
35		NotifyUrl:          wxpay_utility.String("https://www.weixin.qq.com/wxpay/pay.php"),
36		UserRecvPerception: wxpay_utility.String("现金奖励"),
37		TransferSceneReportInfos: []TransferSceneReportInfo{
38			TransferSceneReportInfo{
39				InfoType:    wxpay_utility.String("活动名称"),
40				InfoContent: wxpay_utility.String("新会员有礼"),
41			},
42			TransferSceneReportInfo{
43				InfoType:    wxpay_utility.String("奖励说明"),
44				InfoContent: wxpay_utility.String("注册会员抽奖一等奖"),
45			},
46		},
47	}
48
49	response, err := TransferToUser(config, request)
50	if err != nil {
51		fmt.Printf("请求失败: %+v\n", err)
52		// TODO: 请求失败，根据状态码执行不同的处理
53		return
54	}
55
56	// TODO: 请求成功，继续业务逻辑
57	fmt.Printf("请求成功: %+v\n", response)
58}
59
60func TransferToUser(config *wxpay_utility.MchConfig, request *TransferToUserRequest) (response *TransferToUserResponse, err error) {
61	const (
62		host   = "https://api.mch.weixin.qq.com"
63		method = "POST"
64		path   = "/v3/fund-app/mch-transfer/transfer-bills"
65	)
66
67	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
68	if err != nil {
69		return nil, err
70	}
71	reqBody, err := json.Marshal(request)
72	if err != nil {
73		return nil, err
74	}
75	httpRequest, err := http.NewRequest(method, reqUrl.String(), bytes.NewReader(reqBody))
76	if err != nil {
77		return nil, err
78	}
79	httpRequest.Header.Set("Accept", "application/json")
80	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
81	httpRequest.Header.Set("Content-Type", "application/json")
82	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), reqBody)
83	if err != nil {
84		return nil, err
85	}
86	httpRequest.Header.Set("Authorization", authorization)
87
88	client := &http.Client{}
89	httpResponse, err := client.Do(httpRequest)
90	if err != nil {
91		return nil, err
92	}
93	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
94	if err != nil {
95		return nil, err
96	}
97	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
98		// 2XX 成功，验证应答签名
99		err = wxpay_utility.ValidateResponse(
100			config.WechatPayPublicKeyId(),
101			config.WechatPayPublicKey(),
102			&httpResponse.Header,
103			respBody,
104		)
105		if err != nil {
106			return nil, err
107		}
108		response := &TransferToUserResponse{}
109		if err := json.Unmarshal(respBody, response); err != nil {
110			return nil, err
111		}
112
113		return response, nil
114	} else {
115		return nil, wxpay_utility.NewApiException(
116			httpResponse.StatusCode,
117			httpResponse.Header,
118			respBody,
119		)
120	}
121}
122
123type TransferToUserRequest struct {
124	Appid                    *string                   `json:"appid,omitempty"`
125	OutBillNo                *string                   `json:"out_bill_no,omitempty"`
126	TransferSceneId          *string                   `json:"transfer_scene_id,omitempty"`
127	Openid                   *string                   `json:"openid,omitempty"`
128	UserName                 *string                   `json:"user_name,omitempty"`
129	TransferAmount           *int64                    `json:"transfer_amount,omitempty"`
130	TransferRemark           *string                   `json:"transfer_remark,omitempty"`
131	NotifyUrl                *string                   `json:"notify_url,omitempty"`
132	UserRecvPerception       *string                   `json:"user_recv_perception,omitempty"`
133	TransferSceneReportInfos []TransferSceneReportInfo `json:"transfer_scene_report_infos,omitempty"`
134}
135
136type TransferToUserResponse struct {
137	OutBillNo      *string             `json:"out_bill_no,omitempty"`
138	TransferBillNo *string             `json:"transfer_bill_no,omitempty"`
139	CreateTime     *time.Time          `json:"create_time,omitempty"`
140	State          *TransferBillStatus `json:"state,omitempty"`
141	PackageInfo    *string             `json:"package_info,omitempty"`
142}
143
144type TransferSceneReportInfo struct {
145	InfoType    *string `json:"info_type,omitempty"`
146	InfoContent *string `json:"info_content,omitempty"`
147}
148
149type TransferBillStatus string
150
151func (e TransferBillStatus) Ptr() *TransferBillStatus {
152	return &e
153}
154
155const (
156	TRANSFERBILLSTATUS_ACCEPTED          TransferBillStatus = "ACCEPTED"
157	TRANSFERBILLSTATUS_PROCESSING        TransferBillStatus = "PROCESSING"
158	TRANSFERBILLSTATUS_WAIT_USER_CONFIRM TransferBillStatus = "WAIT_USER_CONFIRM"
159	TRANSFERBILLSTATUS_TRANSFERING       TransferBillStatus = "TRANSFERING"
160	TRANSFERBILLSTATUS_SUCCESS           TransferBillStatus = "SUCCESS"
161	TRANSFERBILLSTATUS_FAIL              TransferBillStatus = "FAIL"
162	TRANSFERBILLSTATUS_CANCELING         TransferBillStatus = "CANCELING"
163	TRANSFERBILLSTATUS_CANCELLED         TransferBillStatus = "CANCELLED"
164)
165