June 2021
Intermediate to advanced
290 pages
9h 21m
Chinese
Content preview from Node与Express开发（第2版）
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,
O’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.I 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.I’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.I'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.
148
｜
第
13
章
vacations: vacations.map(vacation => {
return {
sku: vacation.sku,
name: vacation.name,
description: vacation.description,
inSeason: vacation.inSeason,
price: convertFromUSD(vacation.price, currency),
qty: vacation.qty,
}
})
}
switch(currency){
case 'USD': context.currencyUSD = 'selected'; break
case 'GBP': context.currencyGBP = 'selected'; break
case 'BTC': context.currencyBTC = 'selected'; break
}
res.render('vacations', context)
})
}
还要在
meadowlark.js
里给设置币种增加一个路由：
app.get('/set-currency/:currency', handlers.setCurrency)
当然，这里转换币种的做法并不好。我们更希望利用一个第三方的币种转换
API
，以保证
汇率是最新的。不过这样用作演示已经足够了。现在你可以在不同币种之间切换了。试着
停止再重启服务器，就会看到网站已经记住了你的币种偏好设置。如果清除了 ...
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
O’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.
I 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.
I’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.
I'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.