markdown Flask加入404页面

Posted 2021-05-06

# 404.html
{% extends "base.html" %}
{% block title %}
  404
{% endblock %}

{% block page_content %}

  <div class="row">

    <div class="col-md-12">
      <img src="{{ url_for('static', filename = '404.png')  }}" style="margin: 0 auto" class="img-responsive" type="image/png" alt="Page not Found"/>
    </div>

  </div>

{% endblock %}


# app.py
from flask import render_template

app = Flask(__name__)

@app.errorhandler(404)
def page_not_found(e):
    return render_template('404.html'), 404