June 2021
Intermediate to advanced
290 pages
9h 21m
Chinese
Content preview from Node与Express开发（第2版）
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视图模板——使用
Handlebars
｜
71
Express
只内建了对
Pug
、
EJS
和
JSHTML
的支持。前面已经讨论过
Pug
，而且我也找不到
什么理由来推荐
EJS
或
JSHTML
（在我看来
，它们在语法上的建树都不够）。因此，我们
需要增加一个在
Express
里提供
Handlebars
支持的
Node
包：
npm install express-handlebars
然后把它链进
Express
中（版本库的
ch07/meadowlark.js
）：
const expressHandlebars = require('express-handlebars')
app.engine('handlebars', expressHandlebars({
defaultLayout: 'main',
})
app.set('view engine', 'handlebars')
express-handlebars
期望
Handlebars
模板的扩展名为
.handlebars
。我对这个扩展
名已经习惯了，但如果你觉得有些长，可以在创建
express-handlebars
实例的
时候，把扩展名改成同样常用的
.hbs
：
app.engine('.hbs', expressHandlebars
({ extname: '.hbs' })); app.set('view engine', '.hbs')
。
7.4.4
视图和布局
视图
通常代表网站上独立的一个页面（尽管它也可以代表由
Ajax
加载的页面
、邮件或其
他东西的一部分） ...
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