[研究]用Visual Studio 2022 Installer 和 nvm-windows 1.1.12 安裝 node.js v20.10.0 LTS、npm、nvm
2024-01-08
因為Visual Studio 2022 Installer 預設安裝的 node.js 是舊版，測試再加上 nvm-windows 1.1.12 可否搭配安裝使用新版。
package.json
{
"name": "nodejs-web-app2",
"version": "0.0.0",
"description": "NodejsWebApp2",
"main": "server.js",
"author": {
"name": ""
},
"devDependencies": {
"eslint": "^8.21.0"
},
"eslintConfig": {
}
}
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server.js
'use strict';
var http = require('http');
var port = process.env.PORT || 1337;
http.createServer(function (req, res) {
res.writeHead(200, { 'Content-Type': 'text/plain' });
res.end('Hello World\n');
}).listen(port);
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********************************************************************************
package.json
{
"name": "express-app1",
"version": "0.0.0",
"private": true,
"scripts": {
"start": "node app"
},
"description": "ExpressApp1",
"author": {
"name": ""
},
"dependencies": {
"body-parser": "^1.15.0",
"cookie-parser": "^1.4.0",
"debug": "^2.2.0",
"express": "^4.14.0",
"morgan": "^1.7.0",
"pug": "^2.0.0-beta6",
"serve-favicon": "^2.3.0"
},
"devDependencies": {
"eslint": "^8.21.0"
},
"eslintConfig": {
}
} |
app.js
'use strict';
var debug = require('debug')('my express app');
var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var routes = require('./routes/index');
var users = require('./routes/users');
var app = express();
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'pug');
// uncomment after placing your favicon in /public
//app.use(favicon(__dirname + '/public/favicon.ico'));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use('/', routes);
app.use('/users', users);
// catch 404 and forward to error handler
app.use(function (req, res, next) {
var err = new Error('Not Found');
err.status = 404;
next(err);
});
// error handlers
// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
app.use(function (err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: err
});
});
}
// production error handler
// no stacktraces leaked to user
app.use(function (err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: {}
});
});
app.set('port', process.env.PORT || 3000);
var server = app.listen(app.get('port'), function () {
debug('Express server listening on port ' + server.address().port);
});
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(完)
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