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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166
｜
第
15
章
不过，如果现在运行这些测试，它们就会超时然后失败，因为我们还没有实现
API
，也没
有启动服务器。那么现在就“动手”吧！
15.6
使用
Express
提供
API
Express
足以提供
API
支持。虽然有各种各样的
npm
模块（比如
connect-rest
和
json-
api
）提供有效支持，但我发现
Express
本身就非常适合，因此我们将完全使用
Express
来实
现。
先在
lib/handlers.js
文件里创建这些处理函数
（也可以创建一个单独的文件，比如
lib/api.js
，
但目前还是让事情简单一点儿）：
exports.getVacationsApi = async (req, res) => {
const vacations = await db.getVacations({ available: true })
res.json(vacations)
}
exports.getVacationBySkuApi = async (req, res) => {
const vacation = await db.getVacationBySku(req.params.sku)
res.json(vacation)
}
exports.addVacationInSeasonListenerApi = async (req, res) => {
await db.addVacationInSeasonListener(req.params.sku, req.body.email) ...
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