Last modified: Jan 13, 2023 By Alexander Williams

Understanding Django LoginView With Simple Example

Django LoginView is a built-in view provided by Django for handling user authentication. It is based on the View class and implements the necessary logic for allowing users to log in to your website. In this article, we'll take a closer look at LoginView and how you can use it in your Django web application.

LoginView Example

Here is an example of a Django login view that you could use in your views.py file:

from django.contrib.auth.views import LoginView    

class AdminLogin(LoginView):
    template_name = 'LoginView_form.html'

template_name Is a parameter that you can pass to the Django LoginView Class when you define a login view in your Django project. It specifies the template's name that the view should use to render the login form.

This view would use the LoginView_form.html template to render the login form. You can also specify a template_name parameter when you include the login URL in your project's urls.py file.

In urls.py, we need to add a path for our views:

path('login/', AdminLogin.as_view(), name="login")

Now in LoginView_form.html let's create a simple form to login in.

<html>
    <head>
        <title>LoginView</title>
    </head>

    <body>
        <!-- form for handling user login -->
        <form method="POST">
            {% csrf_token %}  <!-- protection against cross-site request forgery -->
            <!-- form variable containing the login form fields -->
            {{ form.as_p }}  
            <!-- submit button for login form -->
            <input type="submit" name="sumbit">
        </form>
    </body>
</html>

In this code, the form variable is used to render the login form fields, and the csrf_token template tag is used to protect against cross-site request forgery attacks.

When the form is submitted, the input data is sent to the server using the POST method. The submit button allows the user to submit the form.

LOGIN_REDIRECT_URL = 'home'

In Django, the LOGIN_REDIRECT_URL setting specifies the URL where a user should be redirected after successfully logging in. This setting is used by the login view and the login function in Django's auth views module.

If the form login is successful, the browser will redirect to /home.

Conclusion

Django provides a built-in login view called LoginView for handling user authentication. You can use LoginView by creating a class that inherits from it and defining a template_name parameter that specifies the template that the view should use to render the login form.

You can specify a parameter when you include the login URL in your project's file. In the settings.py file, you can set the LOGIN_REDIRECT_URL setting to specify the URL where a user should be redirected after successfully logging in. To create the HTML form for the login view, you can use the form variable and the csrf_token template tag in the login template. When the form is submitted successfully, the browser will redirect to the URL specified by the LOGIN_REDIRECT_URL setting.

Related Tutorials:

Recent Tutorials: