<Django>天天生鲜项目（三）

from django.shortcuts import render
# 类视图
from django.views.generic import View
from .models import GoodsType, IndexGoodsBanner, IndexPromotionBanner, IndexTypeGoodsBanner


# Create your views here.

# http://127.0.0.1:8000
class IndexView(View):
	‘‘‘首页‘‘‘

	def get(self, request):
		‘‘‘显示首页‘‘‘
		# 获取商品种类信息
		types = GoodsType.objects.all()
		# 获取首页轮播信息
		goods_banners = IndexGoodsBanner.objects.all().order_by(‘index‘)
		# 获取首页促销活动信息
		promotion_banners = IndexPromotionBanner.objects.all().order_by(‘index‘)
		# 获取首页分类展示信息
		# type_goods_banners = IndexTypeGoodsBanner.objects.all()
		for type in types:  # GoodsType
			# 获取type种类首页分类商品图片展示信息
			image_banner = IndexTypeGoodsBanner.objects.filter(type=type, display_type=1).order_by(‘index‘)
			# 获取type种类首页分类商品文字展示信息
			title_banner = IndexTypeGoodsBanner.objects.filter(type=type, display_type=0).order_by(‘index‘)
			# 动态给type增加属性，增加图片展示信息和文字展示信息
			type.image_banner = image_banner
			type.title_banner = title_banner

		# 获取用户购物车商品数目
		cart_count = 0
		# 组织模板上下文
		context = {
			‘types‘: types,
			‘goods_banners‘: goods_banners,
			‘promotion_banners‘: promotion_banners,
			‘cart_count‘: cart_count,
		}
		# 使用模板
		return render(request, ‘goods/index.html‘, context)

from django.conf.urls import url
from . import views
from .views import IndexView

urlpatterns=[
	url(r‘^$‘, IndexView.as_view(),name=‘index‘),
	url(r‘^index$‘, IndexView.as_view(),name=‘index‘),
]

{% extends ‘base.html‘ %}

{% block title %}天天生鲜-首页{% endblock title %}

{% load staticfiles %}

{% block body %}

	<div class="navbar_con">
		<div class="navbar">
			<h1 class="fl">全部商品分类</h1>
			<ul class="navlist fl">
				<li><a href="">首页</a></li>
				<li class="interval">|</li>
				<li><a href="">手机生鲜</a></li>
				<li class="interval">|</li>
				<li><a href="">抽奖</a></li>
			</ul>
		</div>
	</div>

	<div class="center_con clearfix">
		<ul class="subnav fl">
            {% for type in types %}
			    <li><a href="#model0{{ forloop.counter }}" class="{{ type.logo }}">{{ type.name }}</a></li>
            {% endfor %}
		</ul>
		<div class="slide fl">
			<ul class="slide_pics">
                {% for banner in goods_banner %}
				    <li><a href="#"><img src="{{ banner.image.url }}" alt="幻灯片"></a></li>
                {% endfor %}
			</ul>
			<div class="prev"></div>
			<div class="next"></div>
			<ul class="points"></ul>
		</div>
		<div class="adv fl">
            {% for banner in promotion_banners %}
			    <a href="{{ banner.url }}"><img src="{{ banner.image.url }}"></a>
		    {% endfor %}
        </div>
	</div>
    {% for type in types %}
	<div class="list_model">
		<div class="list_title clearfix">
			<h3 class="fl" id="model0{{ forloop.counter }}">{{ type.name }}</h3>
			<div class="subtitle fl">
				<span>|</span>
                 {% for banner in type.title_banner %}
				<a href="#">{{ banner.sku.name }}</a>
                 {% endfor %}
			</div>
			<a href="#" class="goods_more fr" id="fruit_more">查看更多 ></a>
		</div>

		<div class="goods_con clearfix">
			<div class="goods_banner fl"><img src="{{ type.image.url }}"></div>
			<ul class="goods_list fl">
                {% for banner in type.image_banner %}
				<li>
					<h4><a href="#">草莓</a></h4>
					<a href="#"><img src="{{ banner.sku.image.url }}"></a>
					<div class="prize">¥ {{ banner.sku.price }}</div>
				</li>
                {% endfor %}
			</ul>
		</div>
	</div>
    {% endfor %}



{% block bottomfiles %}
    {% load staticfiles %}
	<script type="text/javascript" src="{% static ‘js/slide.js‘ %}"></script>
	<script type="text/javascript">
		BCSlideshow(‘focuspic‘);
		var oFruit = document.getElementById(‘fruit_more‘);
		var oShownum = document.getElementById(‘show_count‘);

		var hasorder = localStorage.getItem(‘order_finish‘);

		if(hasorder)
		{
			oShownum.innerHTML = ‘2‘;
		}

		oFruit.onclick = function(){
			window.location.href = ‘list.html‘;
		}
	</script>
{% endblock bottomfiles %}


{% endblock body %}

# 购物车数量-链接redis
from django_redis import get_redis_connection

　　　　　　　　　　# 获取用户购物车商品数目
		user = request.user
		cart_count = 0
		if user.is_authenticated():
			# 用户已登录
			conn = get_redis_connection(‘default‘)
			cart_key = ‘cart_%d‘%user,id
			cart_count = conn.hlen(cart_key)

			<div class="goods_count fl" id="show_count">{{ cart_count }}</div>