应用程序未获取 .css 文件(flask/python) [英] Application not picking up .css file (flask/python)
问题描述
我正在渲染一个模板，我正在尝试使用外部样式表对其进行样式设置.文件结构如下.
I am rendering a template, that I am attempting to style with an external style sheet. File structure is as follows.
/app
- app_runner.py
/services
- app.py
/templates
- mainpage.html
/styles
- mainpage.css
mainpage.html 看起来像这样
mainpage.html looks like this
<html>
<head>
<link rel= "stylesheet" type= "text/css" href= "../styles/mainpage.css">
</head>
<body>
<!-- content -->
虽然我的任何样式都没有被应用.它与 html 是我正在渲染的模板这一事实有关吗?蟒蛇看起来像这样.
None of my styles are being applied though. Does it have something to do with the fact that the html is a template I am rendering? The python looks like this.
return render_template("mainpage.html", variables..)
我知道这一切都在起作用，因为我仍然能够渲染模板.但是，当我尝试将样式代码从 html 的head"标记内的样式"块移动到外部文件时，所有样式都消失了，留下了一个裸露的 html 页面.有人看到我的文件结构有什么错误吗?
I know this much is working, because I am still able to render the template. However, when I tried to move my styling code from a "style" block within the html's "head" tag to an external file, all the styling went away, leaving a bare html page. Anyone see any errors with my file structure?
推荐答案
除非您在 Flask 初始化期间专门覆盖它，否则您需要有一个静态"文件夹设置(用于 css/js 文件).我假设你没有覆盖它.
You need to have a 'static' folder setup (for css/js files) unless you specifically override it during Flask initialization. I am assuming you did not override it.
你的 css 目录结构应该是这样的:
Your directory structure for css should be like:
/app
- app_runner.py
/services
- app.py
/templates
- mainpage.html
/static
/styles
- mainpage.css
注意你的/styles 目录应该在/static 下
Notice that your /styles directory should be under /static
然后，这样做
<link rel= "stylesheet" type= "text/css" href= "{{ url_for('static',filename='styles/mainpage.css') }}">
Flask 现在会在 static/styles/mainpage.css 下寻找 css 文件
Flask will now look for the css file under static/styles/mainpage.css
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