提交图片生成任务

1curl -X POST \
2  https://api.mch.weixin.qq.com/v3/marketing/partner/product-coupon/image-generation-tasks \
3  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
4  -H "Accept: application/json" \
5  -H "Content-Type: application/json" \
6  -d '{
7    "brand_id" : "120344",
8    "task_id" : "image_generation_task_1",
9    "image_generation_type" : "COMBINE_IMAGE",
10    "combine_image" : {
11      "scope" : "ALL",
12      "type" : "NORMAL",
13      "usage_mode" : "SINGLE",
14      "normal_coupon" : {
15        "threshold" : 10000,
16        "discount_amount" : 100
17      },
18      "discount_coupon" : {
19        "threshold" : 10000,
20        "percent_off" : 30
21      },
22      "exchange_coupon" : {
23        "threshold" : 10000,
24        "exchange_price" : 100
25      },
26      "background_color" : "#ff5733"
27    },
28    "cut_out" : {
29      "image_url" : "https://wxpaylogo.qpic.cn/wxpaylogo/example.jpg"
30    }
31  }'
32

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 * 提交图片生成任务
24 */
25public class SubmitImageGenerationTask {
26  private static String HOST = "https://api.mch.weixin.qq.com";
27  private static String METHOD = "POST";
28  private static String PATH = "/v3/marketing/partner/product-coupon/image-generation-tasks";
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    SubmitImageGenerationTask client = new SubmitImageGenerationTask(
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    SubmitImageGenerationTaskRequest request = new SubmitImageGenerationTaskRequest();
41    request.brandId = "120344";
42    request.taskId = "image_generation_task_1";
43    request.imageGenerationType = ImageGenerationType.COMBINE_IMAGE;
44    request.combineImage = new CombineImage();
45    request.combineImage.scope = ProductCouponScope.ALL;
46    request.combineImage.type = ProductCouponType.NORMAL;
47    request.combineImage.usageMode = UsageMode.SINGLE;
48    request.combineImage.normalCoupon = new NormalCouponUsageRule();
49    request.combineImage.normalCoupon.threshold = 10000L;
50    request.combineImage.normalCoupon.discountAmount = 100L;
51    request.combineImage.discountCoupon = new DiscountCouponUsageRule();
52    request.combineImage.discountCoupon.threshold = 10000L;
53    request.combineImage.discountCoupon.percentOff = 30L;
54    request.combineImage.exchangeCoupon = new ExchangeCouponUsageRule();
55    request.combineImage.exchangeCoupon.threshold = 10000L;
56    request.combineImage.exchangeCoupon.exchangePrice = 100L;
57    request.combineImage.backgroundColor = "#ff5733";
58    request.cutOut = new CutOut();
59    request.cutOut.imageUrl = "https://wxpaylogo.qpic.cn/wxpaylogo/example.jpg";
60    try {
61      SubmitImageGenerationTaskResponse response = client.run(request);
62        // TODO: 请求成功，继续业务逻辑
63        System.out.println(response);
64    } catch (WXPayUtility.ApiException e) {
65        // TODO: 请求失败，根据状态码执行不同的逻辑
66        e.printStackTrace();
67    }
68  }
69
70  public SubmitImageGenerationTaskResponse run(SubmitImageGenerationTaskRequest request) {
71    String uri = PATH;
72    String reqBody = WXPayUtility.toJson(request);
73
74    Request.Builder reqBuilder = new Request.Builder().url(HOST + uri);
75    reqBuilder.addHeader("Accept", "application/json");
76    reqBuilder.addHeader("Wechatpay-Serial", wechatPayPublicKeyId);
77    reqBuilder.addHeader("Authorization", WXPayUtility.buildAuthorization(mchid, certificateSerialNo,privateKey, METHOD, uri, reqBody));
78    reqBuilder.addHeader("Content-Type", "application/json");
79    RequestBody requestBody = RequestBody.create(MediaType.parse("application/json; charset=utf-8"), reqBody);
80    reqBuilder.method(METHOD, requestBody);
81    Request httpRequest = reqBuilder.build();
82
83    // 发送HTTP请求
84    OkHttpClient client = new OkHttpClient.Builder().build();
85    try (Response httpResponse = client.newCall(httpRequest).execute()) {
86      String respBody = WXPayUtility.extractBody(httpResponse);
87      if (httpResponse.code() >= 200 && httpResponse.code() < 300) {
88        // 2XX 成功，验证应答签名
89        WXPayUtility.validateResponse(this.wechatPayPublicKeyId, this.wechatPayPublicKey,
90            httpResponse.headers(), respBody);
91
92        // 从HTTP应答报文构建返回数据
93        return WXPayUtility.fromJson(respBody, SubmitImageGenerationTaskResponse.class);
94      } else {
95        throw new WXPayUtility.ApiException(httpResponse.code(), respBody, httpResponse.headers());
96      }
97    } catch (IOException e) {
98      throw new UncheckedIOException("Sending request to " + uri + " failed.", e);
99    }
100  }
101
102  private final String mchid;
103  private final String certificateSerialNo;
104  private final PrivateKey privateKey;
105  private final String wechatPayPublicKeyId;
106  private final PublicKey wechatPayPublicKey;
107
108  public SubmitImageGenerationTask(String mchid, String certificateSerialNo, String privateKeyFilePath, String wechatPayPublicKeyId, String wechatPayPublicKeyFilePath) {
109    this.mchid = mchid;
110    this.certificateSerialNo = certificateSerialNo;
111    this.privateKey = WXPayUtility.loadPrivateKeyFromPath(privateKeyFilePath);
112    this.wechatPayPublicKeyId = wechatPayPublicKeyId;
113    this.wechatPayPublicKey = WXPayUtility.loadPublicKeyFromPath(wechatPayPublicKeyFilePath);
114  }
115
116  public static class SubmitImageGenerationTaskRequest {
117    @SerializedName("brand_id")
118    public String brandId;
119  
120    @SerializedName("task_id")
121    public String taskId;
122  
123    @SerializedName("image_generation_type")
124    public ImageGenerationType imageGenerationType;
125  
126    @SerializedName("combine_image")
127    public CombineImage combineImage;
128  
129    @SerializedName("cut_out")
130    public CutOut cutOut;
131  }
132  
133  public static class SubmitImageGenerationTaskResponse {
134    @SerializedName("task_id")
135    public String taskId;
136  
137    @SerializedName("brand_id")
138    public String brandId;
139  }
140  
141  public enum ImageGenerationType {
142    @SerializedName("COMBINE_IMAGE")
143    COMBINE_IMAGE,
144    @SerializedName("CUT_OUT")
145    CUT_OUT
146  }
147  
148  public static class CombineImage {
149    @SerializedName("scope")
150    public ProductCouponScope scope;
151  
152    @SerializedName("type")
153    public ProductCouponType type;
154  
155    @SerializedName("usage_mode")
156    public UsageMode usageMode;
157  
158    @SerializedName("normal_coupon")
159    public NormalCouponUsageRule normalCoupon;
160  
161    @SerializedName("discount_coupon")
162    public DiscountCouponUsageRule discountCoupon;
163  
164    @SerializedName("exchange_coupon")
165    public ExchangeCouponUsageRule exchangeCoupon;
166  
167    @SerializedName("background_color")
168    public String backgroundColor;
169  }
170  
171  public static class CutOut {
172    @SerializedName("image_url")
173    public String imageUrl;
174  }
175  
176  public enum ProductCouponScope {
177    @SerializedName("ALL")
178    ALL,
179    @SerializedName("SINGLE")
180    SINGLE
181  }
182  
183  public enum ProductCouponType {
184    @SerializedName("NORMAL")
185    NORMAL,
186    @SerializedName("DISCOUNT")
187    DISCOUNT,
188    @SerializedName("EXCHANGE")
189    EXCHANGE
190  }
191  
192  public enum UsageMode {
193    @SerializedName("SINGLE")
194    SINGLE,
195    @SerializedName("PROGRESSIVE_BUNDLE")
196    PROGRESSIVE_BUNDLE
197  }
198  
199  public static class NormalCouponUsageRule {
200    @SerializedName("threshold")
201    public Long threshold;
202  
203    @SerializedName("discount_amount")
204    public Long discountAmount;
205  }
206  
207  public static class DiscountCouponUsageRule {
208    @SerializedName("threshold")
209    public Long threshold;
210  
211    @SerializedName("percent_off")
212    public Long percentOff;
213  }
214  
215  public static class ExchangeCouponUsageRule {
216    @SerializedName("threshold")
217    public Long threshold;
218  
219    @SerializedName("exchange_price")
220    public Long exchangePrice;
221  }
222  
223}
224

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/partner/4015119446
6	"encoding/json"
7	"fmt"
8	"net/http"
9	"net/url"
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 := &SubmitImageGenerationTaskRequest{
27		BrandId:             wxpay_utility.String("120344"),
28		TaskId:              wxpay_utility.String("image_generation_task_1"),
29		ImageGenerationType: IMAGEGENERATIONTYPE_COMBINE_IMAGE.Ptr(),
30		CombineImage: &CombineImage{
31			Scope:     PRODUCTCOUPONSCOPE_ALL.Ptr(),
32			Type:      PRODUCTCOUPONTYPE_NORMAL.Ptr(),
33			UsageMode: USAGEMODE_SINGLE.Ptr(),
34			NormalCoupon: &NormalCouponUsageRule{
35				Threshold:      wxpay_utility.Int64(10000),
36				DiscountAmount: wxpay_utility.Int64(100),
37			},
38			DiscountCoupon: &DiscountCouponUsageRule{
39				Threshold:  wxpay_utility.Int64(10000),
40				PercentOff: wxpay_utility.Int64(30),
41			},
42			ExchangeCoupon: &ExchangeCouponUsageRule{
43				Threshold:     wxpay_utility.Int64(10000),
44				ExchangePrice: wxpay_utility.Int64(100),
45			},
46			BackgroundColor: wxpay_utility.String("#ff5733"),
47		},
48		CutOut: &CutOut{
49			ImageUrl: wxpay_utility.String("https://wxpaylogo.qpic.cn/wxpaylogo/example.jpg"),
50		},
51	}
52
53	response, err := SubmitImageGenerationTask(config, request)
54	if err != nil {
55		fmt.Printf("请求失败: %+v\n", err)
56		// TODO: 请求失败，根据状态码执行不同的处理
57		return
58	}
59
60	// TODO: 请求成功，继续业务逻辑
61	fmt.Printf("请求成功: %+v\n", response)
62}
63
64func SubmitImageGenerationTask(config *wxpay_utility.MchConfig, request *SubmitImageGenerationTaskRequest) (response *SubmitImageGenerationTaskResponse, err error) {
65	const (
66		host   = "https://api.mch.weixin.qq.com"
67		method = "POST"
68		path   = "/v3/marketing/partner/product-coupon/image-generation-tasks"
69	)
70
71	reqUrl, err := url.Parse(fmt.Sprintf("%s%s", host, path))
72	if err != nil {
73		return nil, err
74	}
75	reqBody, err := json.Marshal(request)
76	if err != nil {
77		return nil, err
78	}
79	httpRequest, err := http.NewRequest(method, reqUrl.String(), bytes.NewReader(reqBody))
80	if err != nil {
81		return nil, err
82	}
83	httpRequest.Header.Set("Accept", "application/json")
84	httpRequest.Header.Set("Wechatpay-Serial", config.WechatPayPublicKeyId())
85	httpRequest.Header.Set("Content-Type", "application/json")
86	authorization, err := wxpay_utility.BuildAuthorization(config.MchId(), config.CertificateSerialNo(), config.PrivateKey(), method, reqUrl.RequestURI(), reqBody)
87	if err != nil {
88		return nil, err
89	}
90	httpRequest.Header.Set("Authorization", authorization)
91
92	client := &http.Client{}
93	httpResponse, err := client.Do(httpRequest)
94	if err != nil {
95		return nil, err
96	}
97	respBody, err := wxpay_utility.ExtractResponseBody(httpResponse)
98	if err != nil {
99		return nil, err
100	}
101	if httpResponse.StatusCode >= 200 && httpResponse.StatusCode < 300 {
102		// 2XX 成功，验证应答签名
103		err = wxpay_utility.ValidateResponse(
104			config.WechatPayPublicKeyId(),
105			config.WechatPayPublicKey(),
106			&httpResponse.Header,
107			respBody,
108		)
109		if err != nil {
110			return nil, err
111		}
112		response := &SubmitImageGenerationTaskResponse{}
113		if err := json.Unmarshal(respBody, response); err != nil {
114			return nil, err
115		}
116
117		return response, nil
118	} else {
119		return nil, wxpay_utility.NewApiException(
120			httpResponse.StatusCode,
121			httpResponse.Header,
122			respBody,
123		)
124	}
125}
126
127type SubmitImageGenerationTaskRequest struct {
128	BrandId             *string              `json:"brand_id,omitempty"`
129	TaskId              *string              `json:"task_id,omitempty"`
130	ImageGenerationType *ImageGenerationType `json:"image_generation_type,omitempty"`
131	CombineImage        *CombineImage        `json:"combine_image,omitempty"`
132	CutOut              *CutOut              `json:"cut_out,omitempty"`
133}
134
135type SubmitImageGenerationTaskResponse struct {
136	TaskId  *string `json:"task_id,omitempty"`
137	BrandId *string `json:"brand_id,omitempty"`
138}
139
140type ImageGenerationType string
141
142func (e ImageGenerationType) Ptr() *ImageGenerationType {
143	return &e
144}
145
146const (
147	IMAGEGENERATIONTYPE_COMBINE_IMAGE ImageGenerationType = "COMBINE_IMAGE"
148	IMAGEGENERATIONTYPE_CUT_OUT       ImageGenerationType = "CUT_OUT"
149)
150
151type CombineImage struct {
152	Scope           *ProductCouponScope      `json:"scope,omitempty"`
153	Type            *ProductCouponType       `json:"type,omitempty"`
154	UsageMode       *UsageMode               `json:"usage_mode,omitempty"`
155	NormalCoupon    *NormalCouponUsageRule   `json:"normal_coupon,omitempty"`
156	DiscountCoupon  *DiscountCouponUsageRule `json:"discount_coupon,omitempty"`
157	ExchangeCoupon  *ExchangeCouponUsageRule `json:"exchange_coupon,omitempty"`
158	BackgroundColor *string                  `json:"background_color,omitempty"`
159}
160
161type CutOut struct {
162	ImageUrl *string `json:"image_url,omitempty"`
163}
164
165type ProductCouponScope string
166
167func (e ProductCouponScope) Ptr() *ProductCouponScope {
168	return &e
169}
170
171const (
172	PRODUCTCOUPONSCOPE_ALL    ProductCouponScope = "ALL"
173	PRODUCTCOUPONSCOPE_SINGLE ProductCouponScope = "SINGLE"
174)
175
176type ProductCouponType string
177
178func (e ProductCouponType) Ptr() *ProductCouponType {
179	return &e
180}
181
182const (
183	PRODUCTCOUPONTYPE_NORMAL   ProductCouponType = "NORMAL"
184	PRODUCTCOUPONTYPE_DISCOUNT ProductCouponType = "DISCOUNT"
185	PRODUCTCOUPONTYPE_EXCHANGE ProductCouponType = "EXCHANGE"
186)
187
188type UsageMode string
189
190func (e UsageMode) Ptr() *UsageMode {
191	return &e
192}
193
194const (
195	USAGEMODE_SINGLE             UsageMode = "SINGLE"
196	USAGEMODE_PROGRESSIVE_BUNDLE UsageMode = "PROGRESSIVE_BUNDLE"
197)
198
199type NormalCouponUsageRule struct {
200	Threshold      *int64 `json:"threshold,omitempty"`
201	DiscountAmount *int64 `json:"discount_amount,omitempty"`
202}
203
204type DiscountCouponUsageRule struct {
205	Threshold  *int64 `json:"threshold,omitempty"`
206	PercentOff *int64 `json:"percent_off,omitempty"`
207}
208
209type ExchangeCouponUsageRule struct {
210	Threshold     *int64 `json:"threshold,omitempty"`
211	ExchangePrice *int64 `json:"exchange_price,omitempty"`
212}
213