Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Node.js那些事儿
Search
Allen Liu
May 27, 2012
Programming
2
1.5k
Node.js那些事儿
课题分享
Allen Liu
May 27, 2012
Tweet
Share
More Decks by Allen Liu
See All by Allen Liu
字符集科普知识
liuxd
1
62
Nginx基础知识
liuxd
5
320
vagrant介绍
liuxd
2
270
PHP5.3、PHP5.4的特性介绍与深度挖掘
liuxd
3
280
Other Decks in Programming
See All in Programming
Modernisation Progressive d’Applications PHP
hhamon
0
120
rbs-inlineを導入してYARDからRBSに移行する
euglena1215
1
300
KSPの導入・移行を前向きに検討しよう!
shxun6934
PRO
0
300
Understand the mechanism! Let's do screenshots tests of Compose Previews with various variations / 仕組みから理解する!Composeプレビューを様々なバリエーションでスクリーンショットテストしよう
sumio
3
890
Android開発以外のAndroid開発経験の活かしどころ
konifar
2
1.1k
AndroidアプリのUIバリエーションをあの手この手で確認する / Check UI variations of Android apps by various means
tkmnzm
1
200
Shinjuku.rb#95:心の技術書紹介
free_world21
1
110
Composing an API the *right* way (Droidcon New York 2024)
zsmb
2
300
いまあるチームにフィットさせる Serverless そして Platform Engineeringへの挑戦 / Serverless Fits the Team You Have and Platform Engineering
seike460
PRO
0
110
API Platform for Laravel
dunglas
1
810
Beyond the RuboCop Defaults
koic
0
180
Ebitengineの1vs1ゲーム WebRTCの活用
ponyo877
0
380
Featured
See All Featured
[RailsConf 2023 Opening Keynote] The Magic of Rails
eileencodes
28
8.9k
Designing the Hi-DPI Web
ddemaree
278
34k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
36
1.7k
Agile that works and the tools we love
rasmusluckow
327
20k
Learning to Love Humans: Emotional Interface Design
aarron
270
40k
Designing Dashboards & Data Visualisations in Web Apps
destraynor
227
52k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
29
2.6k
WebSockets: Embracing the real-time Web
robhawkes
59
7.3k
From Idea to $5000 a Month in 5 Months
shpigford
379
46k
The Cult of Friendly URLs
andyhume
76
6k
Mobile First: as difficult as doing things right
swwweet
221
8.8k
We Have a Design System, Now What?
morganepeng
48
7.1k
Transcript
Node.js 那些事儿 作者:刘喜东
2 Content What Why How Where
Who
3 Content What Why How Where
Who
4 是什么? ➢ 学名: Node.js ➢ 辟谣:核心由 C/C++ 编写 ➢
本质:一个 JavaScript 虚拟机 ➢ 托管: https://github.com/joyent/node ➢ 概括: evented I/O for v8 javascript
5 Content What Why How Where
Who
6 Apache+mod_php
7 Node.js
8 Node.js VS Apache+mod_php ➢ 独立完成 VS 细化分工 ➢ 面向事件编程
VS 面向对象编程 ➢ 英雄主义 VS 人海战术 ➢ 劳模 VS 普通青年
9 Node.js 的优点 学习成本低 内存占用少 CPU 利用率高
10 Content What Why How Where
Who
11 离了模块就活不了 ➢ npm ➢ CommonJS ➢ 核心模块概览
npm ➢ Node Package Manager ➢ pear 、 gem 、
apt ➢ curl http://npmjs.org/install.sh | sudo sh
CommonJS ➢ 它是一套 API 。 ➢ 它要为 Web 服务器 ,
桌面和命令行应用创 建一个完整的 JavaScript 生态系统,不 仅仅只为浏览器。 ➢ 它定义了一组标准和规范,如模块、包、 文件系统等。
核心模块 ➢ http/https ➢ url ➢ os ➢ fs ➢
assert ➢ ... ...
代码示例 ➢ 功能:根据坐标获取小区列表的 API 。 ➢ 方式: POST ➢ 返回:
JSON ➢ 测试: ab -c 100 -n 1000 ➢ 网址: https://github.com/liuxd/MyNodeJS
Apache+mod_php
Node.js
18 Content What Why How Where
Who
19 用武之地 ➢ IO 频繁 ➢ CPU 利用率低 ➢ 内存导致并发瓶颈
20 应用场景 ➢ 聊天系统 ➢ 投票 ➢ 点击量统计 ➢ 秒杀
➢ 业务耦合较低的 api ➢ ... ...
21 Content What Why How Where
Who
22 谁在用? ➢ Instagram—— 基于 Node.js 开发了 node2dm ➢ LinkedIn——
移动应用业务 ➢ Github——NodeLoad, 存档下载服务器 ➢ —— 淘宝 用 Node.js 实现 MyFOX ➢ 微软、雅虎、 ebay
23 By the way ➢ NAE——Node App Engine ➢ http://registry.npmjs.vitecho.com
➢ npm config set registry “XXOO” ➢ PHP 版的 Node.js——React
Thank you very much.