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Node与Express开发(第2版)
book

Node与Express开发(第2版)

by Ethan Brown
June 2021
Intermediate to advanced
290 pages
9h 21m
Chinese
Posts & Telecom Press
Content preview from Node与Express开发(第2版)
集成第三方
API
|
223
刷新缓存,然后返回缓存的内容。
最后,创建一个视图
views/social.handlebars
作为社交媒体的主视图(目前,视图只包含
所选择的推文):
<h2>Oregon Travel in Social Media</h2>
<script id="twitter-wjs" type="text/javascript"
async defer src="//platform.twitter.com/widgets.js"></script>
{{{tweets}}}
并增加一个路由,渲染这个视图:
app.get('/social', async (req, res) => {
res.render('social', { tweets: await getTopTweets() })
})
注意我们引用了一个外部的脚本,即
Twitter
的
widgets.js
。对于嵌入到页面里的推文,要用
这个脚本来给它们增加格式和功能。默认情况下,
oembed
API
会在
HTML
里包含对这个脚本
的引用,但由于是显示
10
条推文
,如果按默认情况,就会额外多引用这个脚本
9
次。所以,
回想一下,我们在调用
oembed
API
的时候,传入了选项
{ omit_script: 1 }
,并让它忽略了
脚本的引用。既然如此,就必须在某个地方提供这个脚本,正如在视图中所做的那样。可以
试着从视图中移除这个脚本,你将仍然可以看到推文,但它们已没有任何格式或功能了。
现在我们有了一个不错的社交媒体内容聚合 ...
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Publisher Resources

ISBN: 9787115565099