找不到模块'./api/routers'"/>
错误:找不到模块'./api/routers'
嗨,
希望大家都过得不错...
我正在尝试开发NextJS单页Web应用程序。对于nextJs定制服务器,我使用Express,MongoDB,同时使用nodemon进行热重装。如果我启动服务器,则显示错误(错误:找不到模块'./api/routers')模块,最终应用程序崩溃。请在下面讲述我的文件夹结构和服务器设置。我所做的服务器设置有什么问题吗?
[请帮助我认识@all,专家开发人员。
const express = require('express')
const next = require('next')
const bodyParser = require('body-parser')
const port = process.env.PORT || 3000
const dev = process.env.NODE_DEV !== 'production' //true false
const nextApp = next({ dev })
const handle = nextApp.getRequestHandler() //part of next config
const db = require("mongoose")
const routers = require("./api/routers")
// const mongoose = require("mongoose")
// const db = mongoose.connect('mongodb://localhost:27017/Profile',{ useUnifiedTopology: true, useNewUrlParser: true })
const db_uri = "mongodb://localhost:27017/profile"
nextApp.prepare()
.then(() => {
const app = express()
app.use(bodyParser.json())
app.use(bodyParser.urlencoded({ extended: true }))
app.use('/api', routers)
app.all('*', (req, res) => {
return handle(req, res)
})
app.listen(port, err => {
if (err) {
throw err
} else {
db.connect(db_uri,
{ useUnifiedTopology: true, useNewUrlParser: true }, () => {
console.log("Database Connected...");
console.log(`> Server is running on http://localhost:${port}`)
})
}
})
})
.catch((ex) => {
console.error(ex.stack);
process.exit(1);
})
回答如下:const express = require('express')
const next = require('next')
const bodyParser = require('body-parser')
const port = process.env.PORT || 3000
const dev = process.env.NODE_DEV !== 'production' //true false
const nextApp = next({ dev })
const handle = nextApp.getRequestHandler() //part of next config
const db = require("mongoose")
const routers = require("./api/routers") // there's no index.js
// const mongoose = require("mongoose")
// const db = mongoose.connect('mongodb://localhost:27017/Profile',{ useUnifiedTopology: true, useNewUrlParser: true })
const db_uri = "mongodb://localhost:27017/profile"
nextApp.prepare()
.then(() => {
const app = express()
app.use(bodyParser.json())
app.use(bodyParser.urlencoded({ extended: true }))
app.use('/api', routers)
app.all('*', (req, res) => {
return handle(req, res)
})
app.listen(port, err => {
if (err) {
throw err
} else {
db.connect(db_uri,
{ useUnifiedTopology: true, useNewUrlParser: true }, () => {
console.log("Database Connected...");
console.log(`> Server is running on http://localhost:${port}`)
})
}
})
})
.catch((ex) => {
console.error(ex.stack);
process.exit(1);
})
默认情况下,require会假设如果找不到模块,则存在一个index.js文件,允许以./api/routers
的身份导入,即引用的目录不包含index.js(x)。
直接引用./api/routers/router
或创建索引文件。
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错误:找不到模块'./api/routers'
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