是否有Node.js即用工具（与npm一起安装），可以帮助我通过HTTP将文件夹内容作为文件服务器公开。
例如，如果我有
D:\Folder\file.zip
D:\Folder\file2.html
D:\Folder\folder\file-in-folder.jpg
然后从D:\Folder\node node-file-server.js开始我可以通过
http://hostname/file.zip
http://hostname/file2.html
http://hostname/folder/file-in-folder.jpg
为什么我的节点静态文件服务器丢弃请求？参考一些神秘的
标准node.js静态文件服务器
如果没有这样的工具，我应该使用什么框架？
相关：NodeJS中的基本静态文件服务器
当前回答
#仅演示/原型服务器
如果您只需要这些，请尝试以下操作：
const fs = require('fs'),
http = require('http'),
arg = process.argv.slice(2),
rootdir = arg[0] || process.cwd(),
port = process.env.PORT || 9000,
hostname = process.env.HOST || '127.0.0.1';
//tested on node=v10.19.0
http.createServer(function (req, res) {
try {
// change 'path///to/////dir' -> 'path/to/dir'
req_url = decodeURIComponent(req.url).replace(/\/+/g, '/');
stats = fs.statSync(rootdir + req_url);
if (stats.isFile()) {
buffer = fs.createReadStream(rootdir + req_url);
buffer.on('open', () => buffer.pipe(res));
return;
}
if (stats.isDirectory()) {
//Get list of files and folder in requested directory
lsof = fs.readdirSync(rootdir + req_url, {encoding:'utf8', withFileTypes:false});
// make an html page with the list of files and send to browser
res.writeHead(200, {'Content-Type': 'text/html; charset=utf-8'});
res.end(html_page(`http://${hostname}:${port}`, req_url, lsof));
return;
}
} catch (err) {
res.writeHead(404);
res.end(err);
return;
}
}).listen(port, hostname, () => console.log(`Server running at http://${hostname}:${port}`));
function html_page(host, req_url, lsof) {//this is a Function declarations can be called before it is defined
// Add link to root directory and parent directory if not already in root directory
list = req_url == '/' ? [] : [`<a href="${host}">/</a>`,
`<a href="${host}${encodeURI(req_url.slice(0,req_url.lastIndexOf('/')))}">..</a>`];
templete = (host, req_url, file) => {// the above is a Function expressions cannot be called before it is defined
return `<a href="${host}${encodeURI(req_url)}${req_url.slice(-1) == '/' ? '' : '/'}${encodeURI(file)}">${file}</a>`; }
// Add all the links to the files and folder in requested directory
lsof.forEach(file => {
list.push(templete(host, req_url, file));
});
return `
<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="content-type" content="text/html" charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Directory of ${req_url}</title>
</head>
<body>
<h2>Directory of ${req_url}</h2>
${list.join('<br/>\n')}
</body>
</html>`
}
其他回答
安装npm包
npm永远安装http服务器
永远启动$（哪个http服务器）-p 8000-d false[FILE_DIRECTORY]
永远启动/usr/local/lib/node_modules/http-server/bin/http服务器-p 8000/home/web文件/
替代地，
http服务器-p 8000/home/web文件/
如果您不想使用现成的工具，可以使用下面的代码，如我在https://developer.mozilla.org/en-US/docs/Node_server_without_framework:
var http = require('http');
var fs = require('fs');
var path = require('path');
http.createServer(function (request, response) {
console.log('request starting...');
var filePath = '.' + request.url;
if (filePath == './')
filePath = './index.html';
var extname = path.extname(filePath);
var contentType = 'text/html';
switch (extname) {
case '.js':
contentType = 'text/javascript';
break;
case '.css':
contentType = 'text/css';
break;
case '.json':
contentType = 'application/json';
break;
case '.png':
contentType = 'image/png';
break;
case '.jpg':
contentType = 'image/jpg';
break;
case '.wav':
contentType = 'audio/wav';
break;
}
fs.readFile(filePath, function(error, content) {
if (error) {
if(error.code == 'ENOENT'){
fs.readFile('./404.html', function(error, content) {
response.writeHead(200, { 'Content-Type': contentType });
response.end(content, 'utf-8');
});
}
else {
response.writeHead(500);
response.end('Sorry, check with the site admin for error: '+error.code+' ..\n');
response.end();
}
}
else {
response.writeHead(200, { 'Content-Type': contentType });
response.end(content, 'utf-8');
}
});
}).listen(8125);
console.log('Server running at http://127.0.0.1:8125/');
更新如果您需要从外部需求/文件访问服务器，则需要通过编写以下内容来克服node.js文件中的CORS，正如我在前面的回答中提到的
// Website you wish to allow to connect
response.setHeader('Access-Control-Allow-Origin', '*');
// Request methods you wish to allow
response.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE');
// Request headers you wish to allow
response.setHeader('Access-Control-Allow-Headers', 'X-Requested-With,content-type');
// Set to true if you need the website to include cookies in the requests sent
// to the API (e.g. in case you use sessions)
response.setHeader('Access-Control-Allow-Credentials', true);
更新
正如Adrian所提到的，在评论中，他写了一个ES6代码，并在这里进行了完整的解释，我只是在下面重新发布了他的代码，以防代码出于任何原因从原始站点消失：
const http = require('http');
const url = require('url');
const fs = require('fs');
const path = require('path');
const port = process.argv[2] || 9000;
http.createServer(function (req, res) {
console.log(`${req.method} ${req.url}`);
// parse URL
const parsedUrl = url.parse(req.url);
// extract URL path
let pathname = `.${parsedUrl.pathname}`;
// based on the URL path, extract the file extension. e.g. .js, .doc, ...
const ext = path.parse(pathname).ext;
// maps file extension to MIME typere
const map = {
'.ico': 'image/x-icon',
'.html': 'text/html',
'.js': 'text/javascript',
'.json': 'application/json',
'.css': 'text/css',
'.png': 'image/png',
'.jpg': 'image/jpeg',
'.wav': 'audio/wav',
'.mp3': 'audio/mpeg',
'.svg': 'image/svg+xml',
'.pdf': 'application/pdf',
'.doc': 'application/msword'
};
fs.exists(pathname, function (exist) {
if(!exist) {
// if the file is not found, return 404
res.statusCode = 404;
res.end(`File ${pathname} not found!`);
return;
}
// if is a directory search for index file matching the extension
if (fs.statSync(pathname).isDirectory()) pathname += '/index' + ext;
// read file from file system
fs.readFile(pathname, function(err, data){
if(err){
res.statusCode = 500;
res.end(`Error getting the file: ${err}.`);
} else {
// if the file is found, set Content-type and send data
res.setHeader('Content-type', map[ext] || 'text/plain' );
res.end(data);
}
});
});
}).listen(parseInt(port));
console.log(`Server listening on port ${port}`);
我对这一页上的任何答案都没有太多的运气，然而，下面的答案似乎起了作用。
添加包含以下内容的server.js文件：
const express = require('express')
const path = require('path')
const port = process.env.PORT || 3000
const app = express()
// serve static assets normally
app.use(express.static(__dirname + '/dist'))
// handle every other route with index.html, which will contain
// a script tag to your application's JavaScript file(s).
app.get('*', function (request, response){
response.sendFile(path.resolve(__dirname, 'dist', 'index.html'))
})
app.listen(port)
console.log("server started on port " + port)
还要确保您需要快递。根据您的设置运行yarn add express-save或npm install express-save（我可以推荐yarn，它非常快）。
您可以将dist更改为您提供内容的任何文件夹。对于我的简单项目，我没有从任何文件夹提供服务，所以我只是删除了dist文件名。
然后可以运行node server.js。由于我必须将项目上传到Heroku服务器，我需要将以下内容添加到package.json文件中：
"scripts": {
"start": "node server.js"
}
以下内容对我有用：
创建包含以下内容的文件app.js：
// app.js
var fs = require('fs'),
http = require('http');
http.createServer(function (req, res) {
fs.readFile(__dirname + req.url, function (err,data) {
if (err) {
res.writeHead(404);
res.end(JSON.stringify(err));
return;
}
res.writeHead(200);
res.end(data);
});
}).listen(8080);
创建包含以下内容的文件index.html：
Hi
启动命令行：
cmd
在cmd中运行以下命令：
node app.js
转到下面的URL，以chrome显示：
http://localhost:8080/index.html
这就是全部。希望这会有所帮助。
资料来源：https://nodejs.org/en/knowledge/HTTP/servers/how-to-serve-static-files/
NPM上还没有，但我在Express上构建了一个简单的静态服务器，它还允许您接受表单提交，并通过事务电子邮件服务（现在是Sendgrid，Mandrill即将到来）发送电子邮件。
https://github.com/jdr0dn3y/nodejs-StatServe
