node.js 爬虫下载图片

const axios = require('axios');
const fs = require('fs');
const path = require('path');

async function downloadImage(url, directory) {
    try {
        const response = await axios({
            url,
            responseType: 'stream'
        });

        const fileName = path.basename(url);
        const filePath = path.join(directory, fileName);

        const writer = fs.createWriteStream(filePath);
        response.data.pipe(writer);

        return new Promise((resolve, reject) => {
            writer.on('finish', resolve);
            writer.on('error', reject);
        });
    } catch (error) {
        console.error(`Error downloading image from ${url}:`, error);
    }
}

// 使用示例
const imageUrl = 'https://example.com/image.jpg';
const downloadDirectory = './downloads';

downloadImage(imageUrl, downloadDirectory)
    .then(() => console.log('Image downloaded successfully'))
    .catch(err => console.error('Failed to download image:', err));