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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)
62
|
第
6
章
})
} catch(err) {
// 在这里处理持续运行失败
console.error(`error processing contact from ${req.body.name} ` +
`<${req.body.email}>`)
res.format({
'text/html': () => res.redirect(303, '/contact-error'),
'application/json': () => res.status(500).json({
error: 'error saving contact information' }),
})
}
})
6.10.3
 
API
服务
当你提供
API
服务时,通常会把参数存放在
req.body
里,就像处理表单一样,虽然也可以
使用
req.query
,但
API
服务的不同之处就在于,通常会返回
JSON
、
XML
,甚至普通文
本,而不是
HTML
,
而且会更多地使用不太常用的
HTTP
方法,比如
PUT
、
POST
和
DELETE
。
API
服务将在第
15
章讨论
。示例
6-11
和示例
6-12
将使用下面的“产品”数组(正常情况
下应该从数据库获取):
const tours = [
{ id: 0, name: 'Hood River', price: 99.99 },
{ id: 1, name: 'Oregon Coast', price: 149.95 },
]
术语“端点”常用来描述一套
API
中的单个功能。 ...
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Publisher Resources

ISBN: 9787115565099