const fs = require('fs'); const path = require('path'); // 读取PDF文件并转换为Data URL const pdfPath = path.join(__dirname, 'public', 'sample.pdf'); const pdfBuffer = fs.readFileSync(pdfPath); const base64 = pdfBuffer.toString('base64'); const dataUrl = `data:application/pdf;base64,${base64}`; // 保存到文件 fs.writeFileSync(path.join(__dirname, 'pdf-data-url.txt'), dataUrl); console.log('PDF Data URL generated successfully!'); console.log('First 100 characters:', dataUrl.substring(0, 100) + '...');