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static 文件夹约定

了解 Flask 默认在哪里查找资源

第 1 / 4 课13 个步骤

static 文件夹约定 是 CoddyKit 上的免费 Flask Academy 课时。这是第 1 节课，共 4 节。你可以在下方免费阅读本课时的完整内容 — 然后在浏览器中使用内置代码编辑器和全天候 AI 导师进行实践。这是 Flask Academy 学习路径的一部分，你的进度在网页和 CoddyKit 应用中同步。 Flask Academy 课程共包含 4 节课。

本课时的部分内容尚未翻译，以英文显示。

Assets Need a Home

Your app needs CSS, JavaScript, and images. Flask gives them one default home: a folder named static next to your app. 📁

Where Flask Looks

By convention, Flask serves anything inside the static folder automatically, so you never write a route to hand out a stylesheet yourself.

The Folder Layout

Place static right beside your app.py file. Flask finds it relative to your application package without any extra setup.

myapp/
  app.py
  static/
    style.css
  templates/

The Public URL Prefix

Files in that folder are reachable under the /static URL prefix. A file named style.css becomes available at /static/style.css in the browser.

Organize with Subfolders

You can nest folders inside static to stay tidy. The path on disk simply maps to the path in the URL, one to one.

static/
  css/style.css
  js/app.js
  img/logo.png

URL Mirrors the Path

So static/css/style.css is served at /static/css/style.css. The browser path mirrors your folder structure exactly. 🔗

It Is Just a Default

The name static is a default, not a law. Flask uses it unless you tell it otherwise, which keeps every project predictable.

Rename the Folder if Needed

Pass static_folder when you create the app to point Flask at a differently named directory on disk.

from flask import Flask
app = Flask(__name__, static_folder="assets")

Change the URL Prefix Too

You can also change the public prefix with static_url_path, so assets appear under /files instead of /static.

app = Flask(__name__, static_url_path="/files")

Static Means Unchanging

These files are static because Flask sends them as-is, with no Python running. That is exactly why serving them is so fast.

Templates Are Different

Do not put HTML you render into static. Dynamic pages belong in templates, while static holds only finished, ready-to-send assets.

Quick Check

You drop logo.png into the static folder. Where can the browser reach it?

在交互式课程中回答

Recap: The static Folder

You learned the static convention: drop assets in that folder and Flask serves them under /static, fast and free. Next, link them cleanly. ✨

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常见问题解答

「static 文件夹约定」课时是免费的吗？

是的 — 「static 文件夹约定」的完整文本可在网页上免费阅读。要进行交互式练习（内置代码编辑器和全天候 AI 导师）并解锁 Flask Academy 课程的其余内容，请升级到 CoddyKit PRO。 Flask Academy 课程共包含 4 节课。

「static 文件夹约定」这节课中我会学到什么？

了解 Flask 默认在哪里查找资源你通过在浏览器中直接运行的动手代码来练习 Flask Academy，全天候 AI 导师会在你学习这节课的过程中回答你的问题。

学习 Flask Academy 需要有经验吗？

无需任何先前经验。CoddyKit 上的 Flask Academy 课程适合初学者到高级学习者，你可以从这里开始或从头开始，按照自己的节奏学习。这是第 1 节课，共 4 节。

「static 文件夹约定」课时需要多长时间？

大多数 CoddyKit 课程大约需要 5–10 分钟。每节课都很精短且互动，所以你能稳步进步，并在网页和应用中从离开的地方继续。

我能在这节 Flask Academy 课中编写并运行代码吗？

能。每节 Flask Academy 课都包含内置代码编辑器，你可以在浏览器中直接编写并运行真实代码，并获得即时 AI 反馈 — 无需本地设置。

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