Merge branch 'pr_15'
This commit is contained in:
Kokomi
commit
9e20c1ccc9
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@ -0,0 +1,2 @@
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# 渲染后端, 默认为 puppeteer
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name:
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@ -58,6 +58,10 @@ class Cfg {
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return this.getConfig('redis')
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}
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get renderer() {
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return this.getConfig('renderer');
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}
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/** 主人qq */
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get masterQQ () {
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let masterQQ = this.getConfig('other').masterQQ || []
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@ -1,392 +1,60 @@
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import fs from 'node:fs'
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import os from 'node:os'
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import lodash from 'lodash'
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import template from 'art-template'
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import chokidar from 'chokidar'
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import path from 'path'
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import { fileURLToPath } from 'url'
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import cfg from '../config/config.js'
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import common from '../common/common.js'
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const _path = process.cwd()
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const __dirname = path.dirname(fileURLToPath(import.meta.url))
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let puppeteer = {}
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const rendererDir = path.join(__dirname, "../../renderers/");
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// mac地址
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let mac = ''
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let rendererBackends = {};
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class Puppeteer {
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constructor () {
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this.browser = false
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this.lock = false
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this.shoting = []
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/** 截图数达到时重启浏览器 避免生成速度越来越慢 */
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this.restartNum = 100
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/** 截图次数 */
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this.renderNum = 0
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this.config = {
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headless: true,
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args: [
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'--disable-gpu',
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'--disable-setuid-sandbox',
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'--no-sandbox',
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'--no-zygote'
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]
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const rendererProxyHandler = {
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get(target, prop, receiver) {
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if (!(prop in receiver)) {
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logger.fatal("在类 " + target.constructor.name + " 上访问了未实现的方法或属性 " + prop + ", 请报告错误！");
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return undefined;
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}
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return Reflect.get(...arguments);
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},
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}
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if (cfg.bot?.chromium_path) {
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/** chromium其他路径 */
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this.config.executablePath = cfg.bot.chromium_path
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}
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this.html = {}
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this.watcher = {}
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this.createDir('./temp/html')
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}
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async initPupp () {
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if (!lodash.isEmpty(puppeteer)) return puppeteer
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puppeteer = (await import('puppeteer')).default
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return puppeteer
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}
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createDir (dir) {
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if (!fs.existsSync(dir)) {
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let dirs = dir.split('/')
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for (let idx = 1; idx <= dirs.length; idx++) {
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let temp = dirs.slice(0, idx).join('/')
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if (!fs.existsSync(temp)) {
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fs.mkdirSync(temp)
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}
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}
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}
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}
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/**
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* 初始化chromium
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*/
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async browserInit () {
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await this.initPupp()
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if (this.browser) return this.browser
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if (this.lock) return false
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this.lock = true
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logger.mark('puppeteer Chromium 启动中...')
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let connectFlag = false
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try {
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// 如果是pm2启动，尝试连接已有实例
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if (process.env.pm_id) {
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// 获取Mac地址
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if (!mac) {
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mac = await this.getMac()
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this.browserMacKey = `Yz:chromium:browserWSEndpoint:${mac}`
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}
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// 是否有browser实例
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const browserUrl = await redis.get(this.browserMacKey)
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if (browserUrl) {
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const browserWSEndpoint = await puppeteer.connect({ browserWSEndpoint: browserUrl }).catch((err) => {
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logger.error('puppeteer Chromium 缓存的实例已关闭')
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redis.del(this.browserMacKey)
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})
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// 如果有实例，直接使用
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if (browserWSEndpoint) {
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this.browser = browserWSEndpoint
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if (this.browser) {
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connectFlag = true
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}
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}
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}
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}
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} catch (e) {
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logger.error('puppeteer Chromium 尝试连接已有实例失败')
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}
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if (!this.browser || !connectFlag) {
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// 如果没有实例，初始化puppeteer
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this.browser = await puppeteer.launch(this.config).catch((err, trace) => {
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let errMsg = err.toString() + (trace ? trace.toString() : '')
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if (typeof err == 'object') {
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logger.error(JSON.stringify(err))
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} else {
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logger.error(err.toString())
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if (errMsg.includes('Could not find Chromium')) {
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logger.error('没有正确安装Chromium，可以尝试执行安装命令：node ./node_modules/puppeteer/install.js')
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} else if (errMsg.includes('libatk-bridge')) {
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logger.error('没有正确安装Chromium，可尝试执行 sudo yum install -y chromium')
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}
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}
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console.log(err, trace)
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})
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}
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this.lock = false
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if (!this.browser) {
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logger.error('puppeteer Chromium 启动失败')
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return false
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}
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if (connectFlag) {
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logger.mark('puppeteer Chromium 已连接启动的实例')
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} else {
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console.log('chromium', this.browser.wsEndpoint())
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if (process.env.pm_id && this.browserMacKey) {
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//缓存一下实例30天
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const expireTime = 60 * 60 * 24 * 30
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await redis.set(this.browserMacKey, this.browser.wsEndpoint(), { EX: expireTime })
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}
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logger.mark('puppeteer Chromium 启动成功')
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}
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/** 监听Chromium实例是否断开 */
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this.browser.on('disconnected', (e) => {
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logger.error('Chromium实例关闭或崩溃！')
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this.browser = false
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})
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return this.browser
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}
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// 获取Mac地址
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async getMac () {
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// 获取Mac地址
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let mac = '00:00:00:00:00:00'
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try {
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const network = os.networkInterfaces()
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let osMac
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// 判断系统
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if (os.platform() === 'win32') {
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// windows下获取mac地址
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let osMacList = Object.keys(network).map(key => network[key]).flat()
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osMacList = osMacList.filter(item => item.family === 'IPv4' && item.mac !== mac)
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osMac = osMacList[0].mac
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} else if (os.platform() === 'linux') {
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// linux下获取mac地址
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osMac = network.eth0.filter(item => item.family === 'IPv4' && item.mac !== mac)[0].mac
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}
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if (osMac) {
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mac = String(osMac)
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}
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} catch (e) {
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console.log('获取Mac地址失败', e.toString())
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}
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mac = mac.replace(/:/g, '')
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return mac
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}
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/**
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* `chromium` 截图
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* @param data 模板参数
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* @param data.tplFile 模板路径，必传
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* @param data.saveId 生成html名称，为空name代替
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* @param data.imgType screenshot参数，生成图片类型：jpeg，png
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* @param data.quality screenshot参数，图片质量 0-100，jpeg是可传，默认90
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* @param data.omitBackground screenshot参数，隐藏默认的白色背景，背景透明。默认不透明
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* @param data.path screenshot参数，截图保存路径。截图图片类型将从文件扩展名推断出来。如果是相对路径，则从当前路径解析。如果没有指定路径，图片将不会保存到硬盘。
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* @return icqq img
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*/
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async screenshot (name, data = {}) {
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if (!await this.browserInit()) {
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return false
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}
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let savePath = this.dealTpl(name, data)
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if (!savePath) return false
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let buff = ''
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let start = Date.now()
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this.shoting.push(name)
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try {
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const page = await this.browser.newPage()
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await page.goto(`file://${_path}${lodash.trim(savePath, '.')}`, data.pageGotoParams || {})
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let body = await page.$('#container') || await page.$('body')
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let randData = {
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// encoding: 'base64',
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type: data.imgType || 'jpeg',
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omitBackground: data.omitBackground || false,
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quality: data.quality || 90,
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path: data.path || ''
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}
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if (data.imgType === 'png') delete randData.quality
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buff = await body.screenshot(randData)
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page.close().catch((err) => logger.error(err))
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} catch (error) {
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logger.error(`图片生成失败:${name}:${error}`)
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/** 关闭浏览器 */
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if (this.browser) {
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await this.browser.close().catch((err) => logger.error(err))
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}
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this.browser = false
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buff = ''
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return false
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}
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this.shoting.pop()
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if (!buff) {
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logger.error(`图片生成为空:${name}`)
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return false
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}
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this.renderNum++
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/** 计算图片大小 */
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let kb = (buff.length / 1024).toFixed(2) + 'kb'
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logger.mark(`[图片生成][${name}][${this.renderNum}次] ${kb} ${logger.green(`${Date.now() - start}ms`)}`)
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this.restart()
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return segment.image(buff)
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}
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/**
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* `chromium` 分片截图
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*/
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async screenshots (name, data = {}) {
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// FIXME: pageHeight 作为参数？
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const pageHeight = 7000
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await this.browserInit()
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|
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if (!this.browser) return false
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||||
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const savePath = this.dealTpl(name, data)
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if (!savePath) return false
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const page = await this.browser.newPage()
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||||
try {
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||||
await page.goto(`file://${_path}${lodash.trim(savePath, '.')}`, { timeout: 120000 })
|
||||
const body = await page.$('#container') || await page.$('body')
|
||||
const boundingBox = await body.boundingBox()
|
||||
|
||||
const num = Math.round(boundingBox.height / pageHeight) || 1
|
||||
|
||||
if (num > 1) {
|
||||
await page.setViewport({
|
||||
width: boundingBox.width,
|
||||
height: pageHeight + 100
|
||||
})
|
||||
}
|
||||
|
||||
const img = []
|
||||
for (let i = 1; i <= num; i++) {
|
||||
const randData = {
|
||||
type: 'jpeg',
|
||||
quality: 90
|
||||
}
|
||||
|
||||
if (i !== 1 && i === num) {
|
||||
await page.setViewport({
|
||||
width: boundingBox.width,
|
||||
height: parseInt(boundingBox.height) - pageHeight * (num - 1)
|
||||
})
|
||||
}
|
||||
|
||||
if (i !== 1 && i <= num) {
|
||||
await page.evaluate(() => window.scrollBy(0, 7000))
|
||||
}
|
||||
|
||||
let buff
|
||||
if (num === 1) {
|
||||
buff = await body.screenshot(randData)
|
||||
} else {
|
||||
buff = await page.screenshot(randData)
|
||||
}
|
||||
|
||||
if (num > 2) await common.sleep(200)
|
||||
|
||||
this.renderNum++
|
||||
/** 计算图片大小 */
|
||||
const kb = (buff.length / 1024).toFixed(2) + 'kb'
|
||||
|
||||
logger.mark(`[图片生成][${name}][${this.renderNum}次] ${kb}`)
|
||||
|
||||
img.push(segment.image(buff))
|
||||
}
|
||||
|
||||
await page.close().catch((err) => logger.error(err))
|
||||
|
||||
if (num > 1) {
|
||||
logger.mark(`[图片生成][${name}] 处理完成`)
|
||||
}
|
||||
return img
|
||||
} catch (error) {
|
||||
logger.error(`图片生成失败:${name}:${error}`)
|
||||
/** 关闭浏览器 */
|
||||
if (this.browser) {
|
||||
await this.browser.close().catch((err) => logger.error(err))
|
||||
}
|
||||
this.browser = false
|
||||
}
|
||||
}
|
||||
|
||||
/** 模板 */
|
||||
dealTpl (name, data) {
|
||||
let { tplFile, saveId = name } = data
|
||||
let savePath = `./temp/html/${name}/${saveId}.html`
|
||||
|
||||
/** 读取html模板 */
|
||||
if (!this.html[tplFile]) {
|
||||
this.createDir(`./temp/html/${name}`)
|
||||
|
||||
try {
|
||||
this.html[tplFile] = fs.readFileSync(tplFile, 'utf8')
|
||||
} catch (error) {
|
||||
logger.error(`加载html错误：${tplFile}`)
|
||||
return false
|
||||
}
|
||||
|
||||
this.watch(tplFile)
|
||||
}
|
||||
|
||||
data.resPath = `${_path}/resources/`
|
||||
|
||||
/** 替换模板 */
|
||||
let tmpHtml = template.render(this.html[tplFile], data)
|
||||
|
||||
/** 保存模板 */
|
||||
fs.writeFileSync(savePath, tmpHtml)
|
||||
|
||||
logger.debug(`[图片生成][使用模板] ${savePath}`)
|
||||
|
||||
return savePath
|
||||
}
|
||||
|
||||
/** 监听配置文件 */
|
||||
watch (tplFile) {
|
||||
if (this.watcher[tplFile]) return
|
||||
|
||||
const watcher = chokidar.watch(tplFile)
|
||||
watcher.on('change', path => {
|
||||
delete this.html[tplFile]
|
||||
logger.mark(`[修改html模板] ${tplFile}`)
|
||||
})
|
||||
|
||||
this.watcher[tplFile] = watcher
|
||||
}
|
||||
|
||||
/** 重启 */
|
||||
restart () {
|
||||
/** 截图超过重启数时，自动关闭重启浏览器，避免生成速度越来越慢 */
|
||||
if (this.renderNum % this.restartNum === 0) {
|
||||
if (this.shoting.length <= 0) {
|
||||
setTimeout(async () => {
|
||||
if (this.browser) {
|
||||
await this.browser.close().catch((err) => logger.error(err))
|
||||
}
|
||||
this.browser = false
|
||||
logger.mark('puppeteer 关闭重启...')
|
||||
}, 100)
|
||||
}
|
||||
async function registerRendererBackends() {
|
||||
const subFolders = fs.readdirSync(rendererDir, { withFileTypes: true }).filter((dirent) => dirent.isDirectory());
|
||||
for (let subFolder of subFolders) {
|
||||
const newRendererBackends = (await import(path.join(rendererDir, subFolder.name, 'index.js'))).default;
|
||||
for (let rendererBackendName in newRendererBackends) {
|
||||
rendererBackends[rendererBackendName] = newRendererBackends[rendererBackendName];
|
||||
logger.mark("[渲染后端加载]: 导入 " + rendererBackendName);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
export default new Puppeteer()
|
||||
function selectRendererBackend() {
|
||||
let rendererBackendName = cfg.renderer?.name;
|
||||
// 未指定，回退到 puppeteer
|
||||
if (!rendererBackendName) rendererBackendName = "puppeteer";
|
||||
let rendererBackendConstructor = rendererBackends[rendererBackendName];
|
||||
if (!rendererBackendConstructor) {
|
||||
logger.warn("未知的渲染后端 " + rendererBackendName + ", 回退到 puppeteer");
|
||||
rendererBackendName = "puppeteer";
|
||||
rendererBackendConstructor = rendererBackends[rendererBackendName];
|
||||
}
|
||||
if (!rendererBackendConstructor.isImportable()) {
|
||||
logger.warn("渲染后端 " + rendererBackendName + " 不可用 (导入失败), 回退到 puppeteer");
|
||||
rendererBackendName = "puppeteer";
|
||||
rendererBackendConstructor = rendererBackends[rendererBackendName];
|
||||
}
|
||||
logger.mark("当前渲染后端：" + rendererBackendName);
|
||||
return rendererBackendConstructor;
|
||||
}
|
||||
|
||||
async function newRenderer() {
|
||||
// 自动扫描，并注册渲染后端
|
||||
await registerRendererBackends();
|
||||
// 选择渲染后端
|
||||
let rendererBackendConstructor = selectRendererBackend();
|
||||
return new rendererBackendConstructor();
|
||||
}
|
||||
|
||||
export default new Proxy(await newRenderer(), rendererProxyHandler);
|
||||
|
|
|
|||
|
|
@ -1,2 +1,3 @@
|
|||
packages:
|
||||
- 'plugins/**'
|
||||
- 'renderers/**'
|
||||
|
|
|
|||
|
|
@ -0,0 +1,6 @@
|
|||
*
|
||||
!.gitignore
|
||||
!base_renderer.js
|
||||
|
||||
!puppeteer
|
||||
!puppeteer/**
|
||||
|
|
@ -0,0 +1,28 @@
|
|||
export default class BaseRenderer {
|
||||
/**
|
||||
* 截图
|
||||
*/
|
||||
async screenshot(name, data = {}) {
|
||||
this.constructor._WARNING('screenshot(name, data)');
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* 分片截图
|
||||
*/
|
||||
async screenshots(name, data = {}) {
|
||||
this.constructor._WARNING('screenshots(name, data)');
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* 该渲染后端是否可导入
|
||||
*/
|
||||
static isImportable() {
|
||||
return false;
|
||||
}
|
||||
|
||||
static _WARNING(fName) {
|
||||
logger.fatal('方法 "' + fName + ' 在类 ' + this.name + ' 中未被实现，请报告错误！');
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,7 @@
|
|||
import PuppeteerRenderer from './puppeteer_renderer.js';
|
||||
|
||||
const newRendererBackends = {
|
||||
'puppeteer': PuppeteerRenderer
|
||||
};
|
||||
|
||||
export default newRendererBackends;
|
||||
|
|
@ -0,0 +1,398 @@
|
|||
import fs from 'node:fs'
|
||||
import os from 'node:os'
|
||||
import lodash from 'lodash'
|
||||
import template from 'art-template'
|
||||
import chokidar from 'chokidar'
|
||||
import cfg from '../../lib/config/config.js'
|
||||
import common from '../../lib/common/common.js'
|
||||
import BaseRenderer from '../base_renderer.js'
|
||||
|
||||
const _path = process.cwd()
|
||||
|
||||
let puppeteer = {}
|
||||
|
||||
// mac地址
|
||||
let mac = ''
|
||||
|
||||
export default class PuppeteerRenderer extends BaseRenderer {
|
||||
constructor() {
|
||||
super()
|
||||
this.browser = false
|
||||
this.lock = false
|
||||
this.shoting = []
|
||||
/** 截图数达到时重启浏览器 避免生成速度越来越慢 */
|
||||
this.restartNum = 100
|
||||
/** 截图次数 */
|
||||
this.renderNum = 0
|
||||
this.config = {
|
||||
headless: true,
|
||||
args: [
|
||||
'--disable-gpu',
|
||||
'--disable-setuid-sandbox',
|
||||
'--no-sandbox',
|
||||
'--no-zygote'
|
||||
]
|
||||
}
|
||||
|
||||
if (cfg.bot?.chromium_path) {
|
||||
/** chromium其他路径 */
|
||||
this.config.executablePath = cfg.bot.chromium_path
|
||||
}
|
||||
|
||||
this.html = {}
|
||||
this.watcher = {}
|
||||
this.createDir('./temp/html')
|
||||
}
|
||||
|
||||
async initPupp() {
|
||||
if (!lodash.isEmpty(puppeteer)) return puppeteer
|
||||
|
||||
puppeteer = (await import('puppeteer')).default
|
||||
|
||||
return puppeteer
|
||||
}
|
||||
|
||||
createDir(dir) {
|
||||
if (!fs.existsSync(dir)) {
|
||||
let dirs = dir.split('/')
|
||||
for (let idx = 1; idx <= dirs.length; idx++) {
|
||||
let temp = dirs.slice(0, idx).join('/')
|
||||
if (!fs.existsSync(temp)) {
|
||||
fs.mkdirSync(temp)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 初始化chromium
|
||||
*/
|
||||
async browserInit() {
|
||||
await this.initPupp()
|
||||
if (this.browser) return this.browser
|
||||
if (this.lock) return false
|
||||
this.lock = true
|
||||
|
||||
logger.mark('puppeteer Chromium 启动中...')
|
||||
|
||||
let connectFlag = false
|
||||
try {
|
||||
// 如果是pm2启动，尝试连接已有实例
|
||||
if (process.env.pm_id) {
|
||||
// 获取Mac地址
|
||||
if (!mac) {
|
||||
mac = await this.getMac()
|
||||
this.browserMacKey = `Yz:chromium:browserWSEndpoint:${mac}`
|
||||
}
|
||||
// 是否有browser实例
|
||||
const browserUrl = await redis.get(this.browserMacKey)
|
||||
if (browserUrl) {
|
||||
const browserWSEndpoint = await puppeteer.connect({ browserWSEndpoint: browserUrl }).catch((err) => {
|
||||
logger.error('puppeteer Chromium 缓存的实例已关闭')
|
||||
redis.del(this.browserMacKey)
|
||||
})
|
||||
// 如果有实例，直接使用
|
||||
if (browserWSEndpoint) {
|
||||
this.browser = browserWSEndpoint
|
||||
if (this.browser) {
|
||||
connectFlag = true
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
} catch (e) {
|
||||
logger.error('puppeteer Chromium 尝试连接已有实例失败')
|
||||
}
|
||||
|
||||
if (!this.browser || !connectFlag) {
|
||||
// 如果没有实例，初始化puppeteer
|
||||
this.browser = await puppeteer.launch(this.config).catch((err, trace) => {
|
||||
let errMsg = err.toString() + (trace ? trace.toString() : '')
|
||||
if (typeof err == 'object') {
|
||||
logger.error(JSON.stringify(err))
|
||||
} else {
|
||||
logger.error(err.toString())
|
||||
if (errMsg.includes('Could not find Chromium')) {
|
||||
logger.error('没有正确安装Chromium，可以尝试执行安装命令：node ./node_modules/puppeteer/install.js')
|
||||
} else if (errMsg.includes('libatk-bridge')) {
|
||||
logger.error('没有正确安装Chromium，可尝试执行 sudo yum install -y chromium')
|
||||
}
|
||||
}
|
||||
console.log(err, trace)
|
||||
})
|
||||
}
|
||||
|
||||
this.lock = false
|
||||
|
||||
if (!this.browser) {
|
||||
logger.error('puppeteer Chromium 启动失败')
|
||||
return false
|
||||
}
|
||||
if (connectFlag) {
|
||||
logger.mark('puppeteer Chromium 已连接启动的实例')
|
||||
} else {
|
||||
console.log('chromium', this.browser.wsEndpoint())
|
||||
if (process.env.pm_id && this.browserMacKey) {
|
||||
//缓存一下实例30天
|
||||
const expireTime = 60 * 60 * 24 * 30
|
||||
await redis.set(this.browserMacKey, this.browser.wsEndpoint(), { EX: expireTime })
|
||||
}
|
||||
logger.mark('puppeteer Chromium 启动成功')
|
||||
}
|
||||
|
||||
/** 监听Chromium实例是否断开 */
|
||||
this.browser.on('disconnected', (e) => {
|
||||
logger.error('Chromium实例关闭或崩溃！')
|
||||
this.browser = false
|
||||
})
|
||||
|
||||
return this.browser
|
||||
}
|
||||
|
||||
// 获取Mac地址
|
||||
async getMac() {
|
||||
// 获取Mac地址
|
||||
let mac = '00:00:00:00:00:00'
|
||||
try {
|
||||
const network = os.networkInterfaces()
|
||||
let osMac
|
||||
// 判断系统
|
||||
if (os.platform() === 'win32') {
|
||||
// windows下获取mac地址
|
||||
let osMacList = Object.keys(network).map(key => network[key]).flat()
|
||||
osMacList = osMacList.filter(item => item.family === 'IPv4' && item.mac !== mac)
|
||||
osMac = osMacList[0].mac
|
||||
} else if (os.platform() === 'linux') {
|
||||
// linux下获取mac地址
|
||||
osMac = network.eth0.filter(item => item.family === 'IPv4' && item.mac !== mac)[0].mac
|
||||
}
|
||||
if (osMac) {
|
||||
mac = String(osMac)
|
||||
}
|
||||
} catch (e) {
|
||||
console.log('获取Mac地址失败', e.toString())
|
||||
}
|
||||
mac = mac.replace(/:/g, '')
|
||||
return mac
|
||||
}
|
||||
|
||||
/**
|
||||
* `chromium` 截图
|
||||
* @param data 模板参数
|
||||
* @param data.tplFile 模板路径，必传
|
||||
* @param data.saveId 生成html名称，为空name代替
|
||||
* @param data.imgType screenshot参数，生成图片类型：jpeg，png
|
||||
* @param data.quality screenshot参数，图片质量 0-100，jpeg是可传，默认90
|
||||
* @param data.omitBackground screenshot参数，隐藏默认的白色背景，背景透明。默认不透明
|
||||
* @param data.path screenshot参数，截图保存路径。截图图片类型将从文件扩展名推断出来。如果是相对路径，则从当前路径解析。如果没有指定路径，图片将不会保存到硬盘。
|
||||
* @return icqq img
|
||||
*/
|
||||
async screenshot(name, data = {}) {
|
||||
if (!await this.browserInit()) {
|
||||
return false
|
||||
}
|
||||
|
||||
let savePath = this.dealTpl(name, data)
|
||||
if (!savePath) return false
|
||||
|
||||
let buff = ''
|
||||
let start = Date.now()
|
||||
|
||||
this.shoting.push(name)
|
||||
|
||||
try {
|
||||
const page = await this.browser.newPage()
|
||||
await page.goto(`file://${_path}${lodash.trim(savePath, '.')}`, data.pageGotoParams || {})
|
||||
let body = await page.$('#container') || await page.$('body')
|
||||
|
||||
let randData = {
|
||||
// encoding: 'base64',
|
||||
type: data.imgType || 'jpeg',
|
||||
omitBackground: data.omitBackground || false,
|
||||
quality: data.quality || 90,
|
||||
path: data.path || ''
|
||||
}
|
||||
|
||||
if (data.imgType === 'png') delete randData.quality
|
||||
|
||||
buff = await body.screenshot(randData)
|
||||
|
||||
page.close().catch((err) => logger.error(err))
|
||||
} catch (error) {
|
||||
logger.error(`图片生成失败:${name}:${error}`)
|
||||
/** 关闭浏览器 */
|
||||
if (this.browser) {
|
||||
await this.browser.close().catch((err) => logger.error(err))
|
||||
}
|
||||
this.browser = false
|
||||
buff = ''
|
||||
return false
|
||||
}
|
||||
|
||||
this.shoting.pop()
|
||||
|
||||
if (!buff) {
|
||||
logger.error(`图片生成为空:${name}`)
|
||||
return false
|
||||
}
|
||||
|
||||
this.renderNum++
|
||||
|
||||
/** 计算图片大小 */
|
||||
let kb = (buff.length / 1024).toFixed(2) + 'kb'
|
||||
|
||||
logger.mark(`[图片生成][${name}][${this.renderNum}次] ${kb} ${logger.green(`${Date.now() - start}ms`)}`)
|
||||
|
||||
this.restart()
|
||||
|
||||
return segment.image(buff)
|
||||
}
|
||||
|
||||
/**
|
||||
* `chromium` 分片截图
|
||||
*/
|
||||
async screenshots(name, data = {}) {
|
||||
// FIXME: pageHeight 作为参数？
|
||||
const pageHeight = 7000
|
||||
|
||||
await this.browserInit()
|
||||
|
||||
if (!this.browser) return false
|
||||
|
||||
const savePath = this.dealTpl(name, data)
|
||||
if (!savePath) return false
|
||||
|
||||
const page = await this.browser.newPage()
|
||||
try {
|
||||
await page.goto(`file://${_path}${lodash.trim(savePath, '.')}`, { timeout: 120000 })
|
||||
const body = await page.$('#container') || await page.$('body')
|
||||
const boundingBox = await body.boundingBox()
|
||||
|
||||
const num = Math.round(boundingBox.height / pageHeight) || 1
|
||||
|
||||
if (num > 1) {
|
||||
await page.setViewport({
|
||||
width: boundingBox.width,
|
||||
height: pageHeight + 100
|
||||
})
|
||||
}
|
||||
|
||||
const img = []
|
||||
for (let i = 1; i <= num; i++) {
|
||||
const randData = {
|
||||
type: 'jpeg',
|
||||
quality: 90
|
||||
}
|
||||
|
||||
if (i !== 1 && i === num) {
|
||||
await page.setViewport({
|
||||
width: boundingBox.width,
|
||||
height: parseInt(boundingBox.height) - pageHeight * (num - 1)
|
||||
})
|
||||
}
|
||||
|
||||
if (i !== 1 && i <= num) {
|
||||
await page.evaluate(() => window.scrollBy(0, 7000))
|
||||
}
|
||||
|
||||
let buff
|
||||
if (num === 1) {
|
||||
buff = await body.screenshot(randData)
|
||||
} else {
|
||||
buff = await page.screenshot(randData)
|
||||
}
|
||||
|
||||
if (num > 2) await common.sleep(200)
|
||||
|
||||
this.renderNum++
|
||||
/** 计算图片大小 */
|
||||
const kb = (buff.length / 1024).toFixed(2) + 'kb'
|
||||
|
||||
logger.mark(`[图片生成][${name}][${this.renderNum}次] ${kb}`)
|
||||
|
||||
img.push(segment.image(buff))
|
||||
}
|
||||
|
||||
await page.close().catch((err) => logger.error(err))
|
||||
|
||||
if (num > 1) {
|
||||
logger.mark(`[图片生成][${name}] 处理完成`)
|
||||
}
|
||||
return img
|
||||
} catch (error) {
|
||||
logger.error(`图片生成失败:${name}:${error}`)
|
||||
/** 关闭浏览器 */
|
||||
if (this.browser) {
|
||||
await this.browser.close().catch((err) => logger.error(err))
|
||||
}
|
||||
this.browser = false
|
||||
}
|
||||
}
|
||||
|
||||
/** 模板 */
|
||||
dealTpl(name, data) {
|
||||
let { tplFile, saveId = name } = data
|
||||
let savePath = `./temp/html/${name}/${saveId}.html`
|
||||
|
||||
/** 读取html模板 */
|
||||
if (!this.html[tplFile]) {
|
||||
this.createDir(`./temp/html/${name}`)
|
||||
|
||||
try {
|
||||
this.html[tplFile] = fs.readFileSync(tplFile, 'utf8')
|
||||
} catch (error) {
|
||||
logger.error(`加载html错误：${tplFile}`)
|
||||
return false
|
||||
}
|
||||
|
||||
this.watch(tplFile)
|
||||
}
|
||||
|
||||
data.resPath = `${_path}/resources/`
|
||||
|
||||
/** 替换模板 */
|
||||
let tmpHtml = template.render(this.html[tplFile], data)
|
||||
|
||||
/** 保存模板 */
|
||||
fs.writeFileSync(savePath, tmpHtml)
|
||||
|
||||
logger.debug(`[图片生成][使用模板] ${savePath}`)
|
||||
|
||||
return savePath
|
||||
}
|
||||
|
||||
/** 监听配置文件 */
|
||||
watch(tplFile) {
|
||||
if (this.watcher[tplFile]) return
|
||||
|
||||
const watcher = chokidar.watch(tplFile)
|
||||
watcher.on('change', path => {
|
||||
delete this.html[tplFile]
|
||||
logger.mark(`[修改html模板] ${tplFile}`)
|
||||
})
|
||||
|
||||
this.watcher[tplFile] = watcher
|
||||
}
|
||||
|
||||
/** 重启 */
|
||||
restart() {
|
||||
/** 截图超过重启数时，自动关闭重启浏览器，避免生成速度越来越慢 */
|
||||
if (this.renderNum % this.restartNum === 0) {
|
||||
if (this.shoting.length <= 0) {
|
||||
setTimeout(async () => {
|
||||
if (this.browser) {
|
||||
await this.browser.close().catch((err) => logger.error(err))
|
||||
}
|
||||
this.browser = false
|
||||
logger.mark('puppeteer 关闭重启...')
|
||||
}, 100)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static isImportable() {
|
||||
// XXX: Puppeteer 为默认的，因此总可以被导入
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue