Flask-Moment: Format date and time using Python

Flask-Moment: Format date and time using Python

Flask is a simple and easy-to-use Python web development framework. For the need to process time and date, Flask can use the Flask-Moment extension. Efficient and concise processing.

Flask-Moment is a Flask extension that can conveniently format dates and times and supports multiple languages.

Install Flask-Moment

Flask-Moment access is very simple. You only need to enter the following command in the virtual environment to install:

pip install flask-moment

Introduce Flask-Moment

In the Flask application, introduce Flask-Moment through the following statement:

from flask_moment import Moment

moment = Moment(app)

Among them, app is the instantiation object of Flask, and Moment is the instantiation object of Flask-Moment.

Format Date

With the help of Flask-Moment, you can easily implement custom formatting of dates. For example, we can format the date into English format:

{% extends "base.html" %}

{% block content %}
  <p>The date is {{ moment().format('MMMM Do YYYY') }}.</p>
{% endblock %}

In the above code, moment() means getting the current date, and the .format() function accepts a string as a parameter, which uses Moment.js formatting syntax to specify the date format to be displayed. In this example, we display the full month name, as well as the day and year.

Formatting time

In addition to formatting dates, Flask-Moment also supports formatting time. For example, we can use the following code to get the current time and display it in the format of "hour:minute:second":

{% extends "base.html" %}

{% block content %}
  <p>The time is {{ moment().format('h:mm:ss a') }}.</p>
{% endblock %}

In the above code, a means to display morning or afternoon.

Use multiple languages

Flask-Moment also supports internationalization and can easily switch between multiple languages. Using the multi-language functions supported by Flask-Moment is simple, just add a language code in the Flask settings:

from flask import Flask
from flask_moment import Moment
 
app = Flask(__name__)
moment = Moment(app)
app.config['MOMENT_DEFAULT_LANGUAGE'] = 'zh-CN'

In the above code, 'zh-CN' is expressed in Simplified Chinese format. You can also choose other language packs, such as English, French, etc.

Conclusion

This article introduces how to use Flask-Moment to format date and time. By studying this article, you have mastered common skills such as how to customize date and time formats, international languages, etc. I believe this knowledge can help you develop web more efficiently.

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