[英]how to serve a directory with express?
I would like to create a simple express server that sends a directory like the image following: Browser directory picture我想创建一个简单的快递服务器,它发送的目录如下图:浏览器目录图片
const express = require('express');
const path = require('path');
const app = express();
app.use(express.static(path.join(__dirname, 'shaders')));
app.use('*', (req, res) => {
res.sendFile((path.join(__dirname, 'shaders')));
});
const PORT = 3000;
app.listen(PORT, () => {
console.log('listening on port ', PORT);
});
This code displays Cannot GET /
in the browser window.此代码在浏览器窗口中显示Cannot GET /
。
您可以使用静态文件夹通过 GET 请求共享或获取文件。
app.use(express.static(path.join(__dirname, 'shaders')));
This code displays Cannot GET / in the browser window.此代码在浏览器窗口中显示无法获取 /。
Sending a GET to / will fallback to your app.use
* as you don't have a route defined.发送 GET 到 / 将回app.use
您的app.use
* 因为您没有定义路由。 It's not clear what this should do as you're returning a directory instead of a file, which isn't going to work.目前尚不清楚这应该做什么,因为您返回的是目录而不是文件,这是行不通的。
If you'd like to access a specific file, you need to request it directly as localhost:3000/shaders/xxx
, etc. The use of express.static
appears to be correct.如果你想访问一个特定的文件,你需要直接请求它作为localhost:3000/shaders/xxx
等。 express.static
的使用似乎是正确的。
There are libraries that already do this for you, for example serve-index .有一些库已经为你做了这件事,例如serve-index 。
This is a modified version of your code to show file content or list the files/directories in a directory.这是代码的修改版本,用于显示文件内容或列出目录中的文件/目录。 I've added some comments to explain what's happening, but feel free to ask more questions if something is not clear.我已经添加了一些评论来解释正在发生的事情,但如果有什么不清楚的地方,请随时提出更多问题。
const express = require("express");
const path = require("path");
const fs = require("fs");
const app = express();
const listingPath = path.join(__dirname, "shaders");
app.get("*", (req, res) => {
// Build the path of the file using the URL pathname of the request.
const filePath = path.join(listingPath, req.path);
// If the path does not exist, return a 404.
if (!fs.existsSync(filePath)) {
return res.status(404).end();
}
// Check if the existing item is a directory or a file.
if (fs.statSync(filePath).isDirectory()) {
const filesInDir = fs.readdirSync(filePath);
// If the item is a directory: show all the items inside that directory.
return res.send(filesInDir);
} else {
const fileContent = fs.readFileSync(filePath, 'utf8');
// If the item is a file: show the content of that file.
return res.send(fileContent);
}
});
const PORT = 3000;
app.listen(PORT, () => {
console.log("listening on port ", PORT);
});
You can use this as a base to make a template that includes links to the files/directories, to include a link to the parent directory, to show more meta data ...您可以使用它作为基础来制作包含文件/目录链接的模板,包含指向父目录的链接,显示更多元数据......
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