2021年6月12日 星期六

使用Bootstrap5為電子購物網站換新裝

 前一篇文章我們把Django升級到3.2.4版，本篇文章我們來把Bootstrap3升級為Bootstrap5，步驟如下：

1,安裝dajngo-bootstrap-v5


2.使用pip list檢查安裝的套件，發現bootstrap3以及bootstrap-v5都在shopenv環境中。


3.使用pip uninstall 命令來移除bootstrap3


5.修改設定檔django_shop_tutorial/settings.py，將bootstrap3改為bootstrap5。

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'bootstrap5',
    'shop',
    'cart',
    'orders',
    'paypal.standard.ipn',
    'payment',
]

5.修改樣版

(1)shop/templates/shop/base.html

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{% load static %}
{% load bootstrap5 %}
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>{% block title %}{% endblock %}</title>
    <link href="https://netdna.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
    {% bootstrap_css %}
    {% bootstrap_javascript %}

</head>
<body>

<div class="container">
    <div class="page-header">
        <a href="/"><h1 class="display-1">My shop</h1></a>
    </div>
    <div class="panel panel-default">
        <div class="panel-heading">
            {# call __len__ #}
            {% with total_items=cart|length %}
                {% if cart|length > 0 %}
                    Your cart:
                    <a href="{% url "cart:cart_detail" %}">
                        {# If total_items is 1, the output will be 1 item. #}
                        {# If total_items is 2, the output will be 2 items. #}
                        {{ total_items }} item{{ total_items|pluralize }},
                        ${{ cart.get_total_price }}
                    </a>
                {% else %}
                    Your shopping cart is empty.
                {% endif %}
            {% endwith %}
        </div>
    </div>

    {% block content %}
    {% endblock %}
</div>
</body>
</html>

(2)shop/templates/shop/product/list.html
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{% extends "shop/base.html" %}
{% load static %}

{% block title %}
    {% if category %}{{ category.name }}{% else %}Products{% endif %}
{% endblock %}

{% block content %}

    <div class="row">
        <div class="col-md-3">
            <h3>Categories</h3>
            <ul class="nav flex-column">
                <li {% if not category %}class="nav-item"{% endif %}>
                    <a href="{% url "shop:product_list" %}">All</a></li>
                {% for c in categories %}
                    <li {% if category.slug == c.slug %}class="nav-item"{% endif %}>
                        <a href="{{ c.get_absolute_url }}">{{ c.name }}</a>
                    </li>
                {% endfor %}
            </ul>
        </div>

        <div class="col-md-9">
            <h2>{% if category %}{{ category.name }}{% else %}Products{% endif %}</h2>
            <div class="row">
                {% for product in products %}
                    <div class="col-md-4">
                        <div class="thumbnail">
                            <a href="{{ product.get_absolute_url }}">
                                <img class="img-thumbnail" src="{% if product.image %}{{ product.image.url }}
                                          {% else %}{% static "img/no_image.png" %} {% endif %}">
                            </a>
                            <a href="{{ product.get_absolute_url }}">{{ product.name }}</a><br>
                            ${{ product.price }}
                        </div>
                    </div>
                {% endfor %}
            </div>


        </div>


    </div>
{% endblock %}

(3)shop/templates/shop/product/detail/html 
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{% extends "shop/base.html" %}
{% load static %}
{% load bootstrap5 %}

{% block title %}
    {% if category %}{{ category.title }}{% else %}Products{% endif %}
{% endblock %}

{% block content %}
    <div class="row">
        <div class="col-md-12">
            <div class="col-md-6 col-md-4">

            </div>
            <div class="col-md-6 col-md-4">
                <div class="thumbnail">
                    <img class="img-fluid" src="{% if product.image %}{{ product.image.url }}
                              {% else %}{% static "img/no_image.png" %}{% endif %}"
                         class="img-responsive">
                    <div class="caption">
                        <div class="row">
                            <div class="col-md-6 col-xs-6">
                                <h3>{{ product.name }}</h3>
                            </div>
                            <div class="col-md-6 col-xs-6 price">
                                <h3>
                                    <label>${{ product.price }}</label></h3>
                            </div>
                        </div>
                        <p>{{ product.description }}</p>
                        <h2><a href="{{ product.category.get_absolute_url }}">{{ product.category }}</a></h2>
                        <form action="{% url "cart:cart_add" product.id %}" method="post">
                            {% csrf_token %}
                            {% bootstrap_form cart_product_form %}
                            {% buttons %}
                                <button type="submit" class="btn btn-success btn-product">
                                    <span class="glyphicon glyphicon-shopping-cart"></span> Add to cart
                                </button>
                            {% endbuttons %}
                        </form>

                        <p></p>
                    </div>
                </div>
            </div>
            <div class="col-md-6 col-md-4">

            </div>
        </div>

    </div>


{% endblock %}

(4)cart/templates/cart/detail/html
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{% extends "shop/base.html" %}
{% load static %}
{% load bootstrap5 %}
{% block title %}
    Your shopping cart
{% endblock %}

{% block content %}
    <h1>Your shopping cart</h1>

    <div class="row">
        <div class="col-sm-12 col-md-10 col-md-offset-1">
            <table class="table table-hover">
                <thead>
                <tr>
                    <th>Product</th>
                    <th>Quantity</th>
                    <th class="text-center">Price</th>
                    <th class="text-center">Total</th>
                    <th> </th>
                </tr>
                </thead>
                <tbody>
                {% for item in cart %}
                    {% with product=item.product %}
                        <tr>
                            <td class="col-sm-8 col-md-6">
                                <div class="media">
                                    <a class="thumbnail pull-left" href="{{ product.get_absolute_url }}">
                                        <img class="media-object"
                                             src="{% if product.image %}{{ product.image.url }}
                                                  {% else %}{% static "img/no_image.png" %}{% endif %}"
                                             style="width: 72px; height: 72px;">
                                    </a>
                                    <div class="media-body">
                                        <h4 class="media-heading"><a
                                                href="{{ product.get_absolute_url }}">{{ product.name }}</a></h4>
                                        <span>Status: </span><span class="text-success"><strong>In Stock</strong></span>
                                    </div>
                                </div>
                            </td>
                            <td class="col-sm-1 col-md-1" style="text-align: center">
                                <form action="{% url "cart:cart_add" product.id %}" method="post">
                                    {% csrf_token %}
                                    {% bootstrap_field item.update_quantity_form.quantity show_label=False %}
                                    {% bootstrap_field item.update_quantity_form.update %}
                                    {% buttons %}
                                        <button type="submit" class="btn btn-success btn-product">
                                            Update
                                        </button>
                                    {% endbuttons %}
                                </form>
                            </td>

                            <td class="col-sm-1 col-md-1 text-center"><strong>${{ item.price }}</strong></td>
                            <td class="col-sm-1 col-md-1 text-center"><strong>${{ item.total_price }}</strong></td>

                            <td class="col-sm-1 col-md-1">
                                <a href="{% url "cart:cart_remove" product.id %}" class="btn btn-danger">
                                    <i class="glyphicon glyphicon-remove" aria-hidden="true"></i> Remove
                                </a>
                            </td>
                        </tr>
                    {% endwith %}
                {% endfor %}
                <tr>
                    <td>  </td>
                    <td>  </td>
                    <td>  </td>
                    <td><h3>Total</h3></td>
                    <td class="text-right"><h3><strong>${{ cart.get_total_price }}</strong></h3></td>
                </tr>
                <tr>
                    <td>  </td>
                    <td>  </td>
                    <td>  </td>
                    <td>
                        <a href="{% url "shop:product_list" %}" class="btn btn-default">
                            Continue Shopping <i class="glyphicon glyphicon-shopping-cart" aria-hidden="true"></i>
                        </a>
                    </td>
                    <td>
                        <a href="{% url "orders:order_create" %}" class="btn btn-default">Checkout <i
                                class="glyphicon glyphicon-play" aria-hidden="true"></i>
                        </a>
                    </td>
                </tr>
                </tbody>
            </table>
        </div>
    </div>

{% endblock %}


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