Skip to Content
JavaScript 经典实例:第三版
book

JavaScript 经典实例:第三版

by Adam D. Scott, Matthew MacDonald, Shelley Powers
September 2022
Intermediate to advanced
585 pages
8h 17m
Chinese
China Electric Power Press Ltd.
Content preview from JavaScript 经典实例:第三版
使用
Express
构建
Web
应用
537
/* GET
首页
*/
router.get('/',
function
(req, res, next) {
res.render('index', { title: 'Express' });
});
module.exports = router;
在这个文件中,
Express
路由器把针对
/
HTTP GET
请求交给一个回调函数处理,
渲染该资源页面的视图,作为响应返回。与之相比,
routes/users.js
文件中的路由则
响应一个文本消息,而不是视图。
var
express = require('express');
var
router = express.Router();
/* GET
用户列表
*/
router.get('/',
function
(req, res, next) {
res.send('respond with a resource');
});
module.exports = router;
第一个请求是怎样渲染视图的呢?在
views
子目录中有三个
Pug
文件:一个用于错
误处理,一个定义页面布局,还有一个(
index.pug
)渲染页面。
index.pug
文件的内
容如下所示。
extends
layout
block content
h1= title
p Welcome to #{title}
这个文件扩展的
layout.pug
文件包含下述内容。
doctype html
html
head
title= title
link(rel='stylesheet', ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
QuotationMarkI wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.
Addison B.
Field Engineer
QuotationMarkI’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.
Amir M.
Data Platform Tech Lead
QuotationMarkI'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Mark W.
Embedded Software Engineer

You might also like

JavaScript Patterns

JavaScript Patterns

Stoyan Stefanov
JavaScript

JavaScript

David Flanagan
JavaScript

JavaScript

T. J. Crowder

Publisher Resources

ISBN: 9787519869601