2019.3.16【Django2.0教程】30.导航栏添加用户操作

最新推荐文章于 2024-08-02 11:52:00 发布

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最新推荐文章于 2024-08-02 11:52:00 发布

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分类专栏： Django

本文链接：https://blog.youkuaiyun.com/weixin_42879237/article/details/88589043

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本文介绍了如何在网站导航中增加登录和注册按钮，通过修改前端代码实现用户登录和退出功能，同时展示了与之相关的视图函数代码。

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今天，在导航增加了登录和注册的按钮，方便后面登录和退出网站。
前端代码，主要是改了导航栏
1.base.html

.`{% load staticfiles %}
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" c

ontent="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>{% block title %}{% endblock %}</title>
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<script type="text/javascript" src="{% static 'js/jquery.min.js' %}"><

/script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
    {% block header_extends %}{% endblock %}
</head>

            <ul class="nav navbar-nav navbar-right">
                {% if not user.is_authenticated %}
                    <li>
                        <a href="{% url 'login' %}?from={{ request.get_full_path }}">登录</a>
                    </li>
                    <li>
                        <a href="{% url 'register' %}?from={{ request.get_full_path }}">注册</a>
                    </li>
                {% else %}
                    <li class="dropdown">
                        <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button">{{ user.username }} <span class="caret"></span></a>
                        <ul class="dropdown-menu">
                            <li><a href="#">个人资料</a></li>
                            <li><a href="{% url 'logout' %}?from={{ request.get_full_path }}">退出</a></li>
                        </ul>
                    </li>
                {% endif %}
            </ul>
        </div>
    </div>
</div>

{% block content %}{% endblock %}

<!-- Modal -->
<div class="modal fade" id="login_modal" tabindex="-1" role="dialog">
    <div class="modal-dialog modal-sm" role="document">
        <div class="modal-content">
            <form id="login_medal_form" action="" method="POST">
                <div class="modal-header">
                    <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
                    <h4 class="modal-title">登录</h4>
                </div>

                <div class="modal-body">
                    {% csrf_token %}
                    {% for field in login_modal_form %}
                        <label for="{{ field.id_for_label }}">{{ field.label }}</label>
                        {{ field }}
                    {% endfor %}
                    <span id="login_medal_tip" class="text-danger"></span>
                </div>

                <div class="modal-footer">
                    <button type="submit" class="btn btn-primary">登录</button>
                    <button type="button" class="btn btn-default" data-dismiss="modal">关闭</button>
                </div>
            </form>
        </div>
    </div>
</div>


{% block script_extends %}{% endblock %}

2.blogname-views.py

from django.shortcuts import render, redirect
from apps.Blogname.models import Blog
from django.core.cache import cache
from read_statistics.utils import get_seven_days_read_data, get_7_days_hot_blogs, \
    get_yesterday_hot_blogs,\
    get_today_hot_blogs
from django.contrib.contenttypes.models import ContentType
from .forms import LoginForm, RegForm
from django.contrib import auth
from django.urls import reverse
from django.contrib.auth.models import User


def index(request):
    blog_content_type = ContentType.objects.get_for_model(Blog)
    dates, read_nums = get_seven_days_read_data(blog_content_type)
    #获取7天热门博客缓存数据
    hot_blogs_for_7_days = cache.get('hot_blogs_for_7_days')
    if hot_blogs_for_7_days is None:
        hot_blogs_for_7_days = get_7_days_hot_blogs()
        cache.set('hot_blogs_for_7_days', hot_blogs_for_7_days, 3600)
        print('cals')
    else:
        print('use cache')

    context = {}
    context['read_nums'] = read_nums
    context['dates'] = dates
    context['today_hot_blogs'] = get_today_hot_blogs()
    context['yesterday_hot_blogs'] = get_yesterday_hot_blogs()
    context['hot_blogs_for_7_days'] = get_7_days_hot_blogs()
    return render(request, 'blog/home.html', context=context)


def login(request):
    if request.method == 'POST':
        login_form = LoginForm(request.POST)
        if login_form.is_valid():
            user = login_form.cleaned_data['user']
            auth.login(request, user)
            return redirect(request.GET.get('from', reverse('index')))
    else:
        login_form = LoginForm()
    context = {
        'login_form': login_form
    }
    return render(request, 'login.html', context=context)


def register(request):
    if request.method == 'POST':
        reg_form = RegForm(request.POST)
        if reg_form.is_valid():
            username = reg_form.cleaned_data.get('username')
            email = reg_form.cleaned_data.get('email')
            password = reg_form.cleaned_data.get('password1')
            user = User.objects.create_user(username=username, password=password, email=email)
            user.save()
            user = auth.authenticate(username=username, password=password, email=email)
            auth.login(request, user)
            return redirect(request.GET.get('from', reverse('index')))
    else:
        reg_form = RegForm()
    context = {
       'reg_form': reg_form
                    }
    return render(request, 'register.html', context=context)


def logout(request):
    auth.logout(request)
    return redirect(request.GET.get('from', reverse('index')))

后半部分明天在完善。