我正在尝试在我的计算机上本地运行节点应用程序。我npm start在命令行上运行时收到以下错误：npm ERR! code ELIFECYCLEnpm ERR! errno 1npm ERR! node-express@1.0.0 start: `node index`npm ERR! Exit status 1npm ERR! npm ERR! Failed at the node-express@1.0.0 start script.npm ERR! This is probably not a problem with npm. There is likely additional logging output above.这是我的package.json：{ "name": "node-express", "version": "1.0.0", "description": "Node Express Examples", "main": "index.js", "scripts": { "test": "echo \"Error: no test specified\" && exit 1", "start": "node index" }, "author": "Shilpa Kancharla", "license": "ISC", "dependencies": { "body-parser": "^1.19.0", "morgan": "^1.10.0" }}这是我的index.js：const express = require('express');const http = require('http');const hostname = 'localhost';const port = 3000;const app = express();const morgan = require('morgan');app.use(morgan('dev'));app.use(express.static(__dirname + '/public'));const bodyParser = require('body-parser');app.use(bodyParser.json());const dishRouter = require('./routes/dishRouter');const promoRouter = require('./require/promoRouter');const leaderRouter = require('./require/leaderRouter');app.use('/dishes', dishRouter);app.use('/promotions', promoRouter);app.use('/leaders', leaderRouter);app.use((req, res, next) => { console.log(req.headers); res.statusCode = 200; res.setHeader('Content-Type', 'text/html'); res.end('<html><body><h1>This is an Express Server </h1></body></html>');});const server = http.createServer(app);server.listen(port, hostname, () => { console.log(`Server running at http://${hostname}:${port}/`);});我尝试安装和卸载节点模块，将其名称更改为start，node index.js但node index没有这样的运气。
1 回答
哈士奇WWW
TA贡献1799条经验 获得超6个赞
使用这个 package.json
{
"name": "node-express",
"version": "1.0.0",
"description": "Node Express Examples",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"start": "nodemon index.js"
},
"author": "Shilpa Kancharla",
"license": "ISC",
"dependencies": {
"body-parser": "^1.19.0",
"express": "^4.17.1",
"http": "0.0.0",
"morgan": "^1.10.0"
},
"devDependencies": {
"nodemon": "^2.0.2"
}
}
现在通过运行以下命令运行和更新节点模块
npm i or npm install
您现在可以通过运行以下命令开始
npm start
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