响应

res 对象表示 Express 应用程序在收到 HTTP 请求时发送的 HTTP 响应。

The res object represents the HTTP response that an Express app sends when it gets an HTTP request.

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app.get('/user/:id', (req, res) => {
  res.send(`user ${req.params.id}`)
})

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app.get('/user/:id', (request, response) => {
  response.send(`user ${request.params.id}`)
})

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