Welcome to Flask — Flask Documentation (3.1.x)
Flask provides configuration and conventions, with sensible defaults, to get started. This section of the documentation explains the different parts of the Flask framework and how they can be …
Installation — Flask Documentation (3.1.x)
Flask is now installed. Check out the Quickstart or go to the Documentation Overview.
Quickstart — Flask Documentation (3.1.x)
Flask provides a really simple way to give feedback to a user with the flashing system. The flashing system basically makes it possible to record a message at the end of a request and …
Tutorial — Flask Documentation (3.1.x)
Check out the Quickstart for an overview of what Flask can do, then dive into the docs to find out more. The tutorial only uses what’s provided by Flask and Python.
API — Flask Documentation (3.1.x)
Flask parses incoming request data for you and gives you access to it through that global object. Internally Flask makes sure that you always get the correct data for the active thread if you are …
欢迎来到 Flask 的世界 — Flask Documentation (3.1.x)
本部分文档将介绍 Flask 框架的各个组成部分，以及如何使用、定制和扩展它们。 除了 Flask 本身，还可以查找由社区维护的扩展，以添加更多功能。
Using async and await — Flask Documentation (3.1.x)
Traditional Flask views will still be appropriate for most use cases, but Flask’s async support enables writing and using code that wasn’t possible natively before.
Templates — Flask Documentation (3.1.x)
Flask uses the Jinja template library to render templates. In your application, you will use templates to render HTML which will display in the user’s browser.
Templates — Flask Documentation (3.1.x)
Flask leverages Jinja as its template engine. You are obviously free to use a different template engine, but you still have to install Jinja to run Flask itself.
Keep Developing! — Flask Documentation (3.1.x)
Check out the Quickstart for an overview of what Flask can do, then dive into the docs to keep learning. Flask uses Jinja, Click, Werkzeug, and ItsDangerous behind the scenes, and they all …