yuzhiran
87 lines
2.8 KiB
TypeScript
87 lines
2.8 KiB
TypeScript
import * as crypto from 'crypto'
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import { Injectable, Logger } from '@nestjs/common'
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@Injectable()
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export class ResumePdfService {
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private readonly logger = new Logger(ResumePdfService.name)
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async generatePdf(params: {
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title: string
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content: string
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targetPosition?: string
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userName?: string
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}): Promise<Buffer> {
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const { default: puppeteer } = await import('puppeteer')
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const html = this.buildHtml(params)
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const browser = await puppeteer.launch({
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executablePath: '/root/.cache/puppeteer/chrome/linux-149.0.7827.22/chrome-linux64/chrome',
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args: ['--no-sandbox', '--disable-setuid-sandbox', '--disable-dev-shm-usage'],
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})
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try {
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const page = await browser.newPage()
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await page.setContent(html, { waitUntil: 'load' })
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const pdf = await page.pdf({
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format: 'A4',
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printBackground: true,
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margin: { top: '20mm', bottom: '20mm', left: '15mm', right: '15mm' },
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})
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return Buffer.from(pdf)
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} finally {
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await browser.close()
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}
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}
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private escapeHtml(str: string): string {
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return str.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>')
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.replace(/"/g, '"').replace(/'/g, ''')
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}
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private buildHtml(params: {
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title: string
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content: string
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targetPosition?: string
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userName?: string
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}): string {
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const contentHtml = this.escapeHtml(params.content)
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.replace(/\n/g, '<br>')
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.replace(/### (.+)/g, '<h3>$1</h3>')
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.replace(/\*\*(.+?)\*\*/g, '<strong>$1</strong>')
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return `<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<style>
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@page { size: A4; margin: 0; }
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body {
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font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
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font-size: 12pt; line-height: 1.6; color: #333; padding: 0; margin: 0;
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}
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.page { padding: 40px 30px; max-width: 210mm; margin: 0 auto; }
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h1 { font-size: 22pt; color: #1a1a1a; margin-bottom: 4px; }
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.subtitle { color: #666; font-size: 10pt; margin-bottom: 20px; }
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h2 { font-size: 14pt; color: #2c6b9e; border-bottom: 2px solid #2c6b9e; padding-bottom: 4px; margin-top: 20px; }
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h3 { font-size: 12pt; color: #333; margin-top: 12px; margin-bottom: 4px; }
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strong { color: #1a1a1a; }
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p { margin: 6px 0; }
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ul { margin: 4px 0; padding-left: 20px; }
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li { margin: 2px 0; }
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.footer { margin-top: 30px; font-size: 9pt; color: #999; text-align: center; border-top: 1px solid #eee; padding-top: 10px; }
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</style>
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</head>
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<body>
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<div class="page">
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<h1>${this.escapeHtml(params.title)}</h1>
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<div class="subtitle">${params.targetPosition ? `目标岗位: ${this.escapeHtml(params.targetPosition)}` : ''}</div>
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<div class="content">${contentHtml}</div>
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<div class="footer">由 AI磁场·职引 生成</div>
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</div>
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</body>
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</html>`
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}
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computeHash(content: string): string {
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return crypto.createHash('md5').update(content).digest('hex')
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}
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}
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