发起转账

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 item0 = new TransferSceneReportInfo();
53      item0.infoType = "活动名称";
54      item0.infoContent = "新会员有礼";
55      request.transferSceneReportInfos.add(item0);
56      TransferSceneReportInfo item1 = new TransferSceneReportInfo();
57      item1.infoType = "奖励说明";
58      item1.infoContent = "注册会员抽奖一等奖";
59      request.transferSceneReportInfos.add(item1);
60    };
61    try {
62      TransferToUserResponse response = client.run(request);
63
64      // TODO: 请求成功，继续业务逻辑
65      System.out.println(response);
66    } catch (WXPayUtility.ApiException e) {
67      // TODO: 请求失败，根据状态码执行不同的逻辑
68      e.printStackTrace();
69    }
70  }
71
72  public TransferToUserResponse run(TransferToUserRequest request) {
73    String uri = PATH;
74    String reqBody = WXPayUtility.toJson(request);
75
76    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
77    reqBuilder.addHeader("Accept", "application/json");
78    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
79    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo,privateKey, METHOD, uri, reqBody));
80    reqBuilder.addHeader("Content-Type", "application/json");
81    RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), reqBody);
82    reqBuilder.method(METHOD, requestBody);
83    Request httpRequest = reqBuilder.build();
84
85    // 发送HTTP请求
86    OkHttpClient client = new OkHttpClient.Builder().build();
87    try (Response httpResponse = client.newCall(httpRequest).execute()) {
88      String respBody = WXPayUtility.extractBody(httpResponse);
89      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
90        // 2XX 成功，验证应答签名
91        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
92            httpResponse.headers(), respBody);
93
94        // 从HTTP应答报文构建返回数据
95        return WXPayUtility.fromJson(respBody, TransferToUserResponse.class);
96      } else {
97        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
98      }
99    } catch (IOException e) {
100      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
101    }
102  }
103
104  private final String mchid;
105  private final String certificateSerialNo;
106  private final PrivateKey privateKey;
107  private final String wechatPayPublicKeyId;
108  private final PublicKey wechatPayPublicKey;
109
110  public TransferToUser(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
111    this.mchid = mchid;
112    this.certificateSerialNo = certificateSerialNo;
113    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
114    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
115    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
116  }
117
118  public String encrypt(String plainText) {
119    return WXPayUtility.encrypt(this.wechatPayPublicKey, plainText);
120  }
121
122   public static class TransferToUserResponse {
123        @SerializedName("out_bill_no")
124        public String outBillNo;
125
126        @SerializedName("transfer_bill_no")
127        public String transferBillNo;
128
129        @SerializedName("create_time")
130        public String createTime;
131
132        @SerializedName("state")
133        public TransferBillStatus state;
134
135        @SerializedName("package_info")
136        public String packageInfo;
137    }
138
139    public enum TransferBillStatus {
140        @SerializedName("ACCEPTED")
141        ACCEPTED,
142        @SerializedName("PROCESSING")
143        PROCESSING,
144        @SerializedName("WAIT_USER_CONFIRM")
145        WAIT_USER_CONFIRM,
146        @SerializedName("TRANSFERING")
147        TRANSFERING,
148        @SerializedName("SUCCESS")
149        SUCCESS,
150        @SerializedName("FAIL")
151        FAIL,
152        @SerializedName("CANCELING")
153        CANCELING,
154        @SerializedName("CANCELLED")
155        CANCELLED
156    }
157
158    public static class TransferSceneReportInfo {
159        @SerializedName("info_type")
160        public String infoType;
161
162        @SerializedName("info_content")
163        public String infoContent;
164    }
165
166    public static class TransferToUserRequest {
167        @SerializedName("appid")
168        public String appid;
169
170        @SerializedName("out_bill_no")
171        public String outBillNo;
172
173        @SerializedName("transfer_scene_id")
174        public String transferSceneId;
175
176        @SerializedName("openid")
177        public String openid;
178
179        @SerializedName("user_name")
180        public String userName;
181
182        @SerializedName("transfer_amount")
183        public Long transferAmount;
184
185        @SerializedName("transfer_remark")
186        public String transferRemark;
187
188        @SerializedName("notify_url")
189        public String notifyUrl;
190
191        @SerializedName("user_recv_perception")
192        public String userRecvPerception;
193
194        @SerializedName("transfer_scene_report_infos")
195        public List<TransferSceneReportInfo> transferSceneReportInfos;
196    }
197  
198}
199

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

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    "appid" : "wxf636efh567hg4356",
9    "out_bill_no" : "plfk2020042013",
10    "transfer_scene_id" : "1000",
11    "openid" : "o-MYE42l80oelYMDE34nYD456Xoy",
12    "user_name" : "757b340b45ebef5467rter35gf464344v3542sdf4t6re4tb4f54ty45t4yyry45",
13    "transfer_amount" : 400000,
14    "transfer_remark" : "新会员开通有礼",
15    "notify_url" : "https://www.weixin.qq.com/wxpay/pay.php",
16    "user_recv_perception" : "现金奖励",
17    "transfer_scene_report_infos" : [
18      {
19        "info_type" : "活动名称",
20        "info_content" : "新会员有礼"
21      },
22      {
23        "info_type" : "奖励说明",
24        "info_content" : "注册会员抽奖一等奖"
25      }
26    ]
27  }'
28