Django入门与实践-第16章：用户登录(完结)

# myproject/settings.py

LOGIN_REDIRECT_URL = 'home'

EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend'

http://127.0.0.1:8000/login/

http://127.0.0.1:8000/signup/

http://127.0.0.1:8000/reset/

http://127.0.0.1:8000/reset/done/

http://127.0.0.1:8000/reset/Mw/set-password/

http://127.0.0.1:8000/reset/complete/

http://127.0.0.1:8000/settings/password/

http://127.0.0.1:8000/settings/password/done/

# myproject/urls.py

from django.conf.urls import url

from django.contrib import admin

from django.contrib.auth import views as auth_views

from accounts import views as accounts_views

from boards import views

urlpatterns = [

    url(r'^$', views.home, name='home'),

    url(r'^signup/$', accounts_views.signup, name='signup'),

    url(r'^login/$', auth_views.LoginView.as_view(template_name='login.html'), name='login'),

    url(r'^logout/$', auth_views.LogoutView.as_view(), name='logout'),

    url(r'^boards/(?P<pk>\d+)/$', views.board_topics, name='board_topics'),

    url(r'^boards/(?P<pk>\d+)/new/$', views.new_topic, name='new_topic'),

    url(r'^admin/', admin.site.urls),

]

<!--templates/base.html-->

{% load static %}<!DOCTYPE html>

<html>

    <head>

        <meta charset="utf-8">

        <title>{% block title %}Django Boards{% endblock %}</title>

        <link href="https://fonts.googleapis.com/css?family=Peralta" rel="stylesheet">

        <link rel="stylesheet" href="{% static 'css/bootstrap.min.css' %}">

        <link rel="stylesheet" href="{% static 'css/app.css' %}">

        {% block stylesheet %}{% endblock %} <!-- 这? -->

    </head>

    <body>

        {% block body %} <!-- 这? -->

            <nav class="navbar navbar-expand-sm navbar-dark bg-dark">

                <div class="container">

               　　 <a class="navbar-brand" href="{% url 'home' %}">Django Boards</a>

                　　<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#mainMenu" aria-controls="mainMenu" aria-expanded="false" aria-label="Toggle navigation">

                　　　　<span class="navbar-toggler-icon"></span>

                　　</button>

                    <div class="collapse navbar-collapse" id="mainMenu">

                  　　  {% if user.is_authenticated %}

                    　　　　<ul class="navbar-nav ml-auto">

                        　　　　<li class="nav-item dropdown">

                            　　　　<a class="nav-link dropdown-toggle" href="#" id="userMenu" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">

                             　　  　　 {{ user.username }}

                            　　　　</a>

                            　　　　<div class="dropdown-menu dropdown-menu-right" aria-labelledby="userMenu">

                              　　  　　<a class="dropdown-item" href="#">My account</a>

                              　　 　　 <a class="dropdown-item" href="#">Change password</a>

                              　　  　　<div class="dropdown-divider"></div>

                                　　　　<a class="dropdown-item" href="{% url 'logout'%}">Log out</a>

                            　　　　</div>

                       　　　　 </li>

                  　　  　　</ul>

                   　　 {% else %}

                    　　　　<form class="form-inline ml-auto">

                        　　　　<a href="#" class="btn btn-outline-secondary">Log in</a>

                       　　　　 <a href="{% url 'signup' %}" class="btn btn-primaryml-2">Sign up</a>

                       　　　　 <a href="{% url 'login' %}" class="btn btn-outline-secondary">Log in</a>

                   　　　　 </form>

                    　　{% endif %}

                    </div>

                </div>

            </nav>

        　　<div class="container">

        　　　　<ol class="breadcrumb my-4">

         　　　　   {% block breadcrumb %}

          　　　　  {% endblock %}

      　　　　  </ol>

          　　  {% block content %}

          　　  {% endblock %}

       　　 </div>

    　　{% endblock body %} <!-- 这? -->

    　　<script src="{% static 'js/jquery-3.2.1.min.js' %}"></script>

    　　<script src="{% static 'js/popper.min.js' %}"></script>

    　　<script src="{% static 'js/bootstrap.min.js' %}"></script>

    </body>

</html>

<!--templates/login.html-->

{% extends 'base.html' %}

{% load static %}

{% block stylesheet %}

    <link rel="stylesheet" href="{% static 'css/accounts.css' %}">

{% endblock %}

{% block body %}

    <div class="container">

        <h1 class="text-center logo my-4">

            <a href="{% url 'home' %}">Django Boards</a>

        </h1>

        <div class="row justify-content-center">

            <div class="col-lg-4 col-md-6 col-sm-8">

                <div class="card">

                    <div class="card-body">

                        <h3 class="card-title">Log in</h3>

                        <form method="post" novalidate>

                            {% csrf_token %}

                            {% include 'includes/form.html' %}

                            <button type="submit" class="btn btn-primary btn-block">Log in</button>

                        </form>

                     </div>

                     <div class="card-footer text-muted text-center">New to Django Boards? 
　　　　　　　　　　　　　　  <a href="{% url 'signup' %}">Sign up</a>

                     </div>

                 </div>

                　　　<div class="text-center py-2">

                    　　<small>

                       　　 <a href="#" class="text-muted">Forgot your password?</a>

                    　　</small>

                　　　</div>

           　　</div>

        </div>

    </div>

{% endblock %}

<!--templates/base_accounts.html-->

{% extends 'base.html' %}

{% load static %}

{% block stylesheet %}

    <link rel="stylesheet" href="{% static 'css/accounts.css' %}">

{% endblock %}

{% block body %}

    <div class="container">

        <h1 class="text-center logo my-4">

            <a href="{% url 'home' %}">Django Boards</a>

        </h1>

        {% block content %}

        {% endblock %}

    </div>

{% endblock %}

<!--templates/login.html-->

{% extends 'base_accounts.html' %}

{% block title %}Log in to Django Boards{% endblock %}

{% block content %}

    <div class="row justify-content-center">

        <div class="col-lg-4 col-md-6 col-sm-8">

            <div class="card">

                <div class="card-body">

                    <h3 class="card-title">Log in</h3>

                    <form method="post" novalidate>

                        {% csrf_token %}

                        {% include 'includes/form.html' %}

                        <button type="submit" class="btn btn-primary btnblock">Log in</button>

                    </form>

                </div>

                <div class="card-footer text-muted text-center">New to Django Boards? <a href="{% url 'signup' %}">Sign up</a></div>

             </div>

             <div class="text-center py-2">

                　<small>

                    　<a href="#" class="text-muted">Forgot your password?</a>

                　</small>

            </div>

        </div>

    </div>

{% endblock %}

<!--templates/signup.html-->

{% extends 'base_accounts.html' %}

{% block title %}Sign up to Django Boards{% endblock %}

{% block content %}

    <div class="row justify-content-center">

        <div class="col-lg-8 col-md-10 col-sm-12">

            <div class="card">

                <div class="card-body">

                    <h3 class="card-title">Sign up</h3>

                    <form method="post" novalidate>

                        {% csrf_token %}

                        {% include 'includes/form.html' %}

                        <button type="submit" class="btn btn-primary btnblock">Create an account</button>

                    </form>

                </div>

                <div class="card-footer text-muted text-center">Already have an account? <a href="{% url 'login' %}">Log in</a></div>

            </div>

        </div>

    </div>

{% endblock %}

<!--templates/includes/form.html-->

{% load widget_tweaks %}

{% if form.non_field_errors %}

    <div class="alert alert-danger" role="alert">

        {% for error in form.non_field_errors %}

            <p{% if forloop.last %} class="mb-0"{% endif %}>{{ error }}</p>

        {% endfor %}

    </div>

{% endif %}

{% for field in form %}

    <div class="form-group">

     {{ field.label_tag }}

    　　{% if form.is_bound %}

       　　 {% if field.errors %}

           　　 {% render_field field class="form-control is-invalid" %}

           　　 {% for error in field.errors %}

               　　 <div class="invalid-feedback">

                　　　　{{ error }}

               　　 </div>

             　　{% endfor %}

        　　{% else %}

             　　 {% render_field field class="form-control is-valid" % }

       　　 {% endif %}

   　　 {% else %}

          　　 {% render_field field class="form-control" %}

   　　 {% endif %}

        {% if field.help_text %}

        　　<small class="form-text text-muted">

          　　  {{ field.help_text|safe }} <!-- 新的代码 -->

          　　  {{ field.help_text }}

        　　</small>

        {% endif %}

    </div>

{% endfor %}

#在boards应用中，创建一个名为templatetags的新文件夹。然后在该文件夹内创建两个名为 init.py 和 form_tags.py的空文件。

# boards/templatetags/form_tags.py

from django import template

register = template.Library()

@register.filter

def field_type(bound_field):

    return bound_field.field.widget.__class__.__name__

@register.filter

def input_class(bound_field):

    css_class = ''

    if bound_field.form.is_bound:

        if bound_field.errors:

            css_class = 'is-invalid'

        elif field_type(bound_field) != 'PasswordInput':

            css_class = 'is-valid'

    return 'form-control {}'.format(css_class)

<!--templates/includes/form.html-->    

{% load form_tags widget_tweaks %}

{% if form.non_field_errors %}

    <div class="alert alert-danger" role="alert">

        {% for error in form.non_field_errors %}

       　　 <p{% if forloop.last %} class="mb-0"{% endif %}>{{ error }}</p>

        {% endfor %}

    </div>

{% endif %}

{% for field in form %}

    <div class="form-group">

        {{ field.label_tag }}

        {% render_field field class=field|input_class %}

        {% for error in field.errors %}

        　　<div class="invalid-feedback">

         　　   {{ error }}

       　　 </div>

        {% endfor %}

        {% if field.help_text %}

        　　<small class="form-text text-muted">

           　　 {{ field.help_text|safe }}

      　　  </small>

        {% endif %}

    </div>

{% endfor %}

myproject/urls.py

url(r'^reset/$',

    auth_views.PasswordResetView.as_view(

    template_name='password_reset.html',

    email_template_name='password_reset_email.html',

    subject_template_name='password_reset_subject.txt'

    ),

    name='password_reset'),

url(r'^reset/done/$',

    auth_views.PasswordResetDoneView.as_view(template_name='password_reset_done.html'),

    name='password_reset_done'),

url(r'^reset/(?P<uidb64>[0-9A-Za-z_\-]+)/(?P<token>[0-9A-Za-z]{1,13}-[0-9A-Za-z]{1,20})/$',

    auth_views.PasswordResetConfirmView.as_view(template_name='password_reset_confirm.html'),

    name='password_reset_confirm'),

url(r'^reset/complete/$',

    auth_views.PasswordResetCompleteView.as_view(template_name='password_reset_complete.html'),

    name='password_reset_complete'),

<!--templates/password_reset.html-->

{% extends 'base_accounts.html' %}

{% block title %}Reset your password{% endblock %}

{% block content %}

    <div class="row justify-content-center">

        <div class="col-lg-4 col-md-6 col-sm-8">

            <div class="card">

                <div class="card-body">

               　　 <h3 class="card-title">Reset your password</h3>

              　　  <p>Enter your email address and we will send you a link to reset your password.</p>

                    <form method="post" novalidate>

                        {% csrf_token %}

                        {% include 'includes/form.html' %}

                        <button type="submit" class="btn btn-primary btnblock">Send password reset email</button>

                    </form>

                </div>

            </div>

        </div>

    </div>

{% endblock %}

#templates/password_reset_subject.txt

[Django Boards] Please reset your password

<!--templates/password_reset_email.html-->

Hi there,

　　Someone asked for a password reset for the email address {{ email }}.

Follow the link below:

　　{{ protocol }}://{{ domain }}{% url 'password_reset_confirm'uidb64=uid token=token %}

　　In case you forgot your Django Boards username: {{ user.username }}

　　If clicking the link above doesn't work, please copy and paste the URLin a new browser window instead.

　　If you've received this mail in error, it's likely that another user entered

　　your email address by mistake while trying to reset a password. 
　　If you didn'tinitiate the request, you don't need to take any further action and can safely disregard this email.

　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　Thanks,

　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　The Django Boards Team

<!--templates/password_reset_done.html-->

{% extends 'base_accounts.html' %}

{% block title %}Reset your password{% endblock %}

{% block content %}

    <div class="row justify-content-center">

        <div class="col-lg-4 col-md-6 col-sm-8">

            <div class="card">

                <div class="card-body">

                    <h3 class="card-title">Reset your password</h3>

                    <p>Check your email for a link to reset your password. If it doesn't appear within a few minutes, check your spam folder.</p>

                    <a href="{% url 'login' %}" class="btn btn-secondary btn-block">Return to log in</a>

                </div>

            </div>

        </div>

    </div>

{% endblock %}

<!--templates/password_reset_confirm.html-->

{% extends 'base_accounts.html' %}

{% block title %}

    {% if validlink %}

    　　Change password for {{ form.user.username }}

    {% else %}

    　　Reset your password

    {% endif %}

{% endblock %}

{% block content %}

    <div class="row justify-content-center">

        <div class="col-lg-6 col-md-8 col-sm-10">

            <div class="card">

                <div class="card-body">

                　　{% if validlink %}

               　　　　 <h3 class="card-title">Change password for @{{ form.user.username }}</h3>

                　　　　<form method="post" novalidate>

                   　　　　 {% csrf_token %}

                   　　　　 {% include 'includes/form.html' %}

                   　　　　 <button type="submit" class="btn btn-success btn-block">Change password</button>

               　　　　 </form>

               　　 {% else %}

               　　　　 <h3 class="card-title">Reset your password</h3>

              　　 　　 <div class="alert alert-danger" role="alert">

                  　　　　  It looks like you clicked on an invalid password reset link. Please try again.

               　　 　　</div>

                   　　 <a href="{% url 'password_reset' %}" class="btn btn-secondary btn-block">Request a new password reset link</a>

                    {% endif %}

                </div>

            </div>

        </div>

    </div>

{% endblock %}

<!--templates/password_reset_complete.html-->

{% extends 'base_accounts.html' %}

{% block title %}Password changed!{% endblock %}

{% block content %}

    <div class="row justify-content-center">

        <div class="col-lg-6 col-md-8 col-sm-10">

            <div class="card">

                <div class="card-body">

                    <h3 class="card-title">Password changed!</h3>

                    <div class="alert alert-success" role="alert">

                        You have successfully changed your password! You may now proceed to log in.

                    </div>

                    <a href="{% url 'login' %}" class="btn btn-secondary btn-block">Return to log in</a>

                </div>

            </div>

        </div>

    </div>

{% endblock %}

#myproject/urls.py (view complete file contents)

url(r'^settings/password/$', auth_views.PasswordChangeView.as_view(template_name='password_change.html'),

    name='password_change'),

url(r'^settings/password/done/$', auth_views.PasswordChangeDoneView.as_view(template_name='password_change_done.html'),

    name='password_change_done'),

#myproject/settings.py

LOGIN_URL = 'login'

<!--templates/password_change.html-->

{% extends 'base.html' %}

{% block title %}Change password{% endblock %}

{% block breadcrumb %}

    <li class="breadcrumb-item active">Change password</li>

{% endblock %}

{% block content %}

    <div class="row">

        <div class="col-lg-6 col-md-8 col-sm-10">

            <form method="post" novalidate>

                {% csrf_token %}

                {% include 'includes/form.html' %}

                <button type="submit" class="btn btn-success">Change password</button>

            </form>

        </div>

    </div>

{% endblock %}

<!--templates/password_change_done.html-->

{% extends 'base.html' %}

{% block title %}Change password successful{% endblock %}

{% block breadcrumb %}

    <li class="breadcrumb-item"><a href="{% url 'password_change' %}">Change password</a></li>

    <li class="breadcrumb-item active">Success</li>

{% endblock %}

{% block content %}

    <div class="alert alert-success" role="alert">

        <strong>Success!</strong> Your password has been changed!

    </div>

    <a href="{% url 'home' %}" class="btn btn-secondary">Return to home page</a>

{% endblock %}

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