django-admin startapp accounts

INSTALLED_APPS = [

    'accounts',

]
# myproject/urls.py

from django.conf.urls import url

from django.contrib import admin

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'^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),

]

#accounts/views.py

from django.shortcuts import render

def signup(request):

    return render(request, 'signup.html')

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

{% extends 'base.html' %}

{% block content %}

    <h2>Sign up</h2>

{% endblock %}     
<!--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 %} <!-- 这里 -->

    </head>

    <body>

        {% block body %} <!-- 这里 -->

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

            　　<div class="container">

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

            　　</div>

        　　</nav>

        　　<div class="container">

            　　<ol class="breadcrumb my-4">

            　　　　{% block breadcrumb %}

            　　　　{% endblock %}

            　　</ol>

            　　　　{% block content %}

            　　　　{% endblock %}

        　　</div>

    　　{% endblock body %} <!-- 这里 -->

    </body>

</html>

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

{% extends 'base.html' %}

{% block body %}

    <h2>Sign up</h2>

{% endblock %}
#accounts/views.py

from django.contrib.auth.forms import UserCreationForm

from django.shortcuts import render

def signup(request):

    form = UserCreationForm()

    return render(request, 'signup.html', {'form': form})

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

{% extends 'base.html' %}

{% block body %}

    <div class="container">

        <h2>Sign up</h2>

        <form method="post" novalidate>

            {% csrf_token %}

            {{ form.as_p }}

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

        </form>

    </div>

{% endblock %}
<!--看起来有一点乱糟糟,是吧？我们可以使用form.html模板使它看起来更好：-->

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

{% extends 'base.html' %}

{% block body %}

    <div class="container">

        <h2>Sign up</h2>

        <form method="post" novalidate>

            {% csrf_token %}

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

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

        </form>

    </div>

{% endblock %}
<!--templates/includes/form.html-->

{% load widget_tweaks %}

{% 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 %}
# accounts/views.py

from django.contrib.auth import login as auth_login

from django.contrib.auth.forms import UserCreationForm

from django.shortcuts import render, redirect

def signup(request):

    if request.method == 'POST':

        form = UserCreationForm(request.POST)

        if form.is_valid():

            user = form.save()

            auth_login(request, user)

            return redirect('home')

    else:

        form = UserCreationForm()

    return render(request, 'signup.html', {'form': form})
<!--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">

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

                            <li class="nav-item">

                                <a class="nav-link" href="#">{{ user.username }}</a>

                            </li>

                        </ul>

                    </div>

                </div>

            </nav>

       　　 <div class="container">

        　　　　<ol class="breadcrumb my-4">

            　　　　{% block breadcrumb %}

            　　　　{% endblock %}

        　　　　</ol>

           　　 {% block content %}

            　　{% endblock %}

        　　</div>

    　　{% endblock body %} <!-- 这? -->

    </body>

</html>
# accounts/forms.py

from django import forms

from django.contrib.auth.forms import UserCreationForm

from django.contrib.auth.models import User

class SignUpForm(UserCreationForm):

    email = forms.CharField(max_length=254, required=True, widget=forms.EmailInput())

    class Meta:

        model = User

        fields = ('username', 'email', 'password1', 'password2')

# accounts/views.py

from django.contrib.auth import login as auth_login

from django.shortcuts import render, redirect

from .forms import SignUpForm

def signup(request):

    if request.method == 'POST':

        form = SignUpForm(request.POST)

        if form.is_valid():

            user = form.save()

            auth_login(request, user)

            return redirect('home')

    else:

        form = SignUpForm()

    return render(request, 'signup.html', {'form': form})
#static/css/accounts.css

body {

    background-image: url(../img/hip-square);

}

.logo {

    font-family: 'Peralta', cursive;

}

.logo a {

    color: rgba(0,0,0,.9);

}

.logo a:hover,

.logo a:active {

    text-decoration: none;

}

<!--templates/signup.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-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 btn-block">Create an account</button>

                        </form>

                    </div>

                    <div class="card-footer text-muted text-center">Already have an account?

                        <a href="#">Log in</a>

                    </div>

                </div>

            </div>

        </div>

    </div>

{% endblock %}

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