339 lines
11 KiB
JavaScript
339 lines
11 KiB
JavaScript
const axios = require('axios');
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const fs = require('fs');
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const path = require('path');
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require('dotenv').config();
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// 配置
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const config = {
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apiKey: process.env.API_KEY,
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apiBaseUrl: process.env.API_BASE_URL || 'https://api.wuyinkeji.com',
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generateApi: process.env.GENERATE_API || '/api/img/nanoBanana-pro',
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queryApi: process.env.QUERY_API || '/api/img/drawDetail',
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sourceImageUrl: process.env.SOURCE_IMAGE_URL,
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imageSize: process.env.IMAGE_SIZE || '2K',
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aspectRatio: process.env.ASPECT_RATIO || '1:1',
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queryInterval: parseInt(process.env.QUERY_INTERVAL) || 5000,
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maxQueryCount: parseInt(process.env.MAX_QUERY_COUNT) || 60,
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outputDir: path.join(__dirname, 'img_2')
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};
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// 确保输出目录存在
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if (!fs.existsSync(config.outputDir)) {
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fs.mkdirSync(config.outputDir, { recursive: true });
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}
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// 亚马逊主图prompt模板
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const MAIN_IMAGE_PROMPTS = [
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{
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name: 'main_image_white_bg',
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prompt: 'Create a professional Amazon product main image with pure white background. The product should be centered, well-lit, showing all key features clearly. High quality commercial photography style, clean and minimalist.',
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aspectRatio: '1:1'
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},
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{
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name: 'main_image_lifestyle',
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prompt: 'Create a lifestyle Amazon product main image showing the product in a natural, appealing setting. Professional product photography, bright and inviting atmosphere.',
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aspectRatio: '1:1'
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}
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];
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// 亚马逊产品图prompt模板
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const PRODUCT_IMAGE_PROMPTS = [
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{
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name: 'product_detail_1',
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prompt: 'Create a detailed Amazon product image showing close-up details and features. Professional product photography, white background, high resolution.',
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aspectRatio: '1:1'
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},
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{
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name: 'product_detail_2',
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prompt: 'Create an Amazon product image showing different angles and perspectives. Clean white background, professional lighting, showcasing product quality.',
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aspectRatio: '1:1'
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},
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{
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name: 'product_in_use',
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prompt: 'Create an Amazon product image showing the product in use scenario. Natural setting, professional photography, highlighting product benefits.',
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aspectRatio: '4:3'
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},
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{
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name: 'product_features',
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prompt: 'Create an Amazon product image highlighting key features and specifications. Clean layout, professional design, easy to understand.',
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aspectRatio: '16:9'
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}
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];
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/**
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* 调用生图API
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*/
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async function generateImage(prompt, imageConfig) {
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try {
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const url = `${config.apiBaseUrl}${config.generateApi}`;
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const requestData = {
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prompt: prompt.prompt,
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aspectRatio: imageConfig.aspectRatio || prompt.aspectRatio || config.aspectRatio,
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imageSize: imageConfig.imageSize || config.imageSize
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};
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// 如果提供了源图片URL，添加到请求中
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if (config.sourceImageUrl) {
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requestData.img_url = config.sourceImageUrl;
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}
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console.log(`\n正在生成图片: ${prompt.name}`);
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console.log(`Prompt: ${prompt.prompt.substring(0, 100)}...`);
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console.log(`请求URL: ${url}`);
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const response = await axios.post(url, requestData, {
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headers: {
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'Content-Type': 'application/json;charset:utf-8;',
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'Authorization': config.apiKey
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},
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timeout: 30000
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});
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if (response.data && response.data.code === 200) {
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const taskId = response.data.data?.id || response.data.data?.taskId || response.data.taskId;
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console.log(`✅ 任务提交成功，任务ID: ${taskId}`);
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return { success: true, taskId, name: prompt.name };
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} else {
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console.error(`❌ 任务提交失败:`, response.data);
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return { success: false, error: response.data };
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}
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} catch (error) {
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console.error(`❌ 生成图片时出错:`, error.message);
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if (error.response) {
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console.error(`响应数据:`, error.response.data);
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}
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return { success: false, error: error.message };
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}
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}
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/**
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* 查询图片生成结果
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*/
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async function queryImageResult(taskId, imageName) {
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let queryCount = 0;
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return new Promise((resolve, reject) => {
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const queryInterval = setInterval(async () => {
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queryCount++;
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if (queryCount > config.maxQueryCount) {
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clearInterval(queryInterval);
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reject(new Error(`查询超时，已查询${queryCount}次`));
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return;
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}
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try {
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// 根据API文档: https://api.wuyinkeji.com/doc/9
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// 接口地址: https://api.wuyinkeji.com/api/img/drawDetail
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// 请求方式: GET
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// 请求参数: id (必填, int类型) - 图片ID
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// 返回格式: data.status (0:排队中，1:生成中，2:成功，3:失败)
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// data.image_url (生成的图片地址)
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const queryUrl = `${config.apiBaseUrl}${config.queryApi}?id=${taskId}`;
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console.log(`[${queryCount}/${config.maxQueryCount}] 查询任务状态: ID=${taskId}`);
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const response = await axios.get(queryUrl, {
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headers: {
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'Content-Type': 'application/json;charset:utf-8;',
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'Authorization': config.apiKey
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},
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timeout: 10000
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});
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const data = response.data;
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// 根据API文档响应格式:
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// code: 状态码
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// msg: 状态信息
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// data.status: 0:排队中，1:生成中，2:成功，3:失败
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// data.image_url: 生成的图片地址
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if (data.code === 200 && data.data) {
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const status = data.data.status;
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const imageUrl = data.data.image_url;
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// status: 2 表示成功
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if (status === 2) {
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if (imageUrl) {
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clearInterval(queryInterval);
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console.log(`✅ 图片生成成功: ${imageName}`);
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console.log(`图片URL: ${imageUrl}`);
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resolve({ imageUrl, taskId, imageName });
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} else {
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console.log(`⏳ 图片生成成功但URL未返回，继续等待...`);
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}
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}
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// status: 3 表示失败
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else if (status === 3) {
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clearInterval(queryInterval);
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reject(new Error(`图片生成失败: ${data.msg || data.data.msg || '未知错误'}`));
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}
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// status: 0 排队中, 1 生成中
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else {
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const statusText = status === 0 ? '排队中' : status === 1 ? '生成中' : `未知状态${status}`;
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console.log(`⏳ ${statusText}...`);
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}
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} else if (data.code !== 200) {
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// API返回错误
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console.log(`⚠️ 查询返回错误: ${data.msg || '未知错误'} (code: ${data.code})`);
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// 继续重试，不立即失败
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} else {
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console.log(`⏳ 等待中... (响应: ${data.msg || '处理中'})`);
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}
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} catch (error) {
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if (error.response && error.response.status === 404) {
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// 任务可能还在处理中
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console.log(`⏳ 任务处理中，继续等待...`);
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} else {
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console.error(`查询时出错:`, error.message);
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// 不立即失败，继续重试
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}
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}
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}, config.queryInterval);
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});
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}
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/**
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* 下载并保存图片
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*/
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async function downloadAndSaveImage(imageUrl, imageName) {
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try {
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console.log(`\n开始下载图片: ${imageUrl}`);
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const response = await axios({
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url: imageUrl,
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method: 'GET',
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responseType: 'stream',
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timeout: 60000
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});
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// 确定文件扩展名
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const contentType = response.headers['content-type'];
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let extension = '.jpg';
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if (contentType) {
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if (contentType.includes('png')) extension = '.png';
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else if (contentType.includes('webp')) extension = '.webp';
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}
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const filename = `${imageName}${extension}`;
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const filepath = path.join(config.outputDir, filename);
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const writer = fs.createWriteStream(filepath);
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response.data.pipe(writer);
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return new Promise((resolve, reject) => {
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writer.on('finish', () => {
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console.log(`✅ 图片已保存: ${filepath}`);
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resolve(filepath);
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});
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writer.on('error', (error) => {
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console.error(`❌ 保存图片失败:`, error);
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reject(error);
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});
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});
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} catch (error) {
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console.error(`❌ 下载图片失败:`, error.message);
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throw error;
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}
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}
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/**
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* 处理单个图片生成任务
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*/
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async function processImageGeneration(prompt) {
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try {
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// 1. 提交生成任务
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const generateResult = await generateImage(prompt, {
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aspectRatio: prompt.aspectRatio,
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imageSize: config.imageSize
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});
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if (!generateResult.success) {
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throw new Error('任务提交失败');
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}
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// 2. 查询生成结果
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const queryResult = await queryImageResult(generateResult.taskId, prompt.name);
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// 3. 下载并保存图片
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await downloadAndSaveImage(queryResult.imageUrl, queryResult.imageName);
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return { success: true, name: prompt.name };
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} catch (error) {
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console.error(`处理图片 ${prompt.name} 时出错:`, error.message);
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return { success: false, name: prompt.name, error: error.message };
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}
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}
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/**
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* 主工作流
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*/
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async function main() {
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console.log('🚀 开始亚马逊产品图生成工作流...\n');
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console.log('配置信息:');
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console.log(`- API地址: ${config.apiBaseUrl}`);
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console.log(`- 源图片: ${config.sourceImageUrl || '使用本地图片'}`);
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console.log(`- 输出目录: ${config.outputDir}`);
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console.log(`- 图片尺寸: ${config.imageSize}`);
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console.log(`- 查询间隔: ${config.queryInterval}ms\n`);
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if (!config.apiKey) {
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console.error('❌ 错误: 未设置API_KEY，请在.env文件中配置');
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process.exit(1);
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}
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if (!config.sourceImageUrl) {
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console.warn('⚠️ 警告: 未设置SOURCE_IMAGE_URL');
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console.warn('提示: 请将P1191464.JPG上传到图床服务，然后在.env中设置SOURCE_IMAGE_URL');
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console.warn('或者修改代码以支持直接上传本地图片\n');
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}
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const allPrompts = [...MAIN_IMAGE_PROMPTS, ...PRODUCT_IMAGE_PROMPTS];
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const results = [];
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// 顺序处理每个图片生成任务
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for (const prompt of allPrompts) {
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const result = await processImageGeneration(prompt);
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results.push(result);
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// 在任务之间稍作延迟，避免请求过快
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if (allPrompts.indexOf(prompt) < allPrompts.length - 1) {
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console.log('\n等待3秒后处理下一个任务...\n');
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await new Promise(resolve => setTimeout(resolve, 3000));
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}
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}
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// 输出总结
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console.log('\n' + '='.repeat(50));
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console.log('📊 工作流执行总结:');
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console.log('='.repeat(50));
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const successCount = results.filter(r => r.success).length;
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const failCount = results.filter(r => !r.success).length;
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console.log(`✅ 成功: ${successCount}/${results.length}`);
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console.log(`❌ 失败: ${failCount}/${results.length}`);
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if (failCount > 0) {
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console.log('\n失败的任务:');
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results.filter(r => !r.success).forEach(r => {
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console.log(` - ${r.name}: ${r.error}`);
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});
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}
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console.log('='.repeat(50));
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}
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// 运行主工作流
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if (require.main === module) {
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main().catch(error => {
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console.error('❌ 工作流执行失败:', error);
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process.exit(1);
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});
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}
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module.exports = {
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generateImage,
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queryImageResult,
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downloadAndSaveImage,
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processImageGeneration
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};
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