def get(self, request, category_id, page_num):
# category_id表示第三级分类的编号
# page_num表示第n页数据
# 查询分类数据
categories = get_categories()
# 查询第三级分类对象
cat3 = GoodsCategory.objects.get(pk=category_id)
breadcrumb = get_breadcrumb(cat3)
# 排序规则
sort = request.GET.get('sort', 'default')
if sort == 'default':
sort_field = '-sales'
elif sort == 'price':
sort_field = 'price'
elif sort == 'hot':
sort_field = '-comments'
else:
sort_field = '-sales'
# 热销排行：通过另外一个视图实现
# 查询当前页的商品数据
# 1.查询指定分类的数据
skus = SKU.objects.filter(category_id=category_id,
is_launched=True).order_by(sort_field)
# 2.分页
# 2.1创建分页对象，指定列表、页大小
paginator = Paginator(skus, constants.SKU_LIST_PER_PAGE)
# 2.2获取指定页码的数据
page_skus = paginator.page(page_num)
# 2.3获取总页数
total_page = paginator.num_pages
context = {
'categories': categories,
'breadcrumb': breadcrumb,
'category': cat3,
'page_skus': page_skus,
'page_num': page_num,
'total_page': total_page,
'sort': sort
}
return render(request, 'list.html', context)
def get(self, request):
#查询分类
categories = get_categories()
# 查询广告数据
content_category_list = ContentCategory.objects.all()
# 构造广告字典
'''
{广告位标识：[广告1,....]}
'''
contents = {}
for content_category in content_category_list:
contents[content_category.
key] = content_category.content_set.order_by('sequence')
context = {'categories': categories, 'contents': contents}
return render(request, 'index.html', context=context)
def generate_index_html():
# 1.生成html
# 查询分类
categories = get_categories()
# 查询广告数据
content_category_list = ContentCategory.objects.all()
# 构造广告字典
'''
{广告位标识：[广告1,....]}
'''
contents = {}
for content_category in content_category_list:
contents[content_category.key] = content_category.content_set.order_by(
'sequence')
context = {'categories': categories, 'contents': contents}
response = render(None, 'index.html', context=context)
html_str = response.content.decode()
# 写文件
with open(os.path.join(settings.BASE_DIR, 'static/index.html'), 'w') as f:
f.write(html_str)
def get(self, request, sku_id):
try:
sku = SKU.objects.get(pk=sku_id)
except:
return http.Http404('商品编号无效')
# 分类数据
categories = get_categories()
# 获取面包屑导航
breadcrumb = get_breadcrumb(sku.category)
# 获取spu
spu = sku.spu
# 获取规格信息：sku===>spu==>specs
specs = spu.specs.order_by('id')
# 查询所有的sku，如华为P10的所有库存商品
skus = spu.skus.order_by('id')
'''
{
选项:sku_id
}
说明：键的元组中，规格的索引是固定的
示例数据如下：
{
(1,3):1,
(2,3):2,
(1,4):3,
(2,4):4
}
'''
sku_options = {}
sku_option = []
for sku1 in skus:
infos = sku1.specs.order_by('spec_id')
option_key = []
for info in infos:
option_key.append(info.option_id)
# 获取当前商品的规格信息
if sku.id == sku1.id:
sku_option.append(info.option_id)
sku_options[tuple(option_key)] = sku1.id
# 遍历当前spu所有的规格
specs_list = []
for index, spec in enumerate(specs):
option_list = []
for option in spec.options.all():
# 如果当前商品为蓝、64,则列表为[2,3]
sku_option_temp = sku_option[:]
# 替换对应索引的元素：规格的索引是固定的[1,3]
sku_option_temp[index] = option.id
# 为选项添加sku_id属性，用于在html中输出链接
option.sku_id = sku_options.get(tuple(sku_option_temp), 0)
# 添加选项对象
option_list.append(option)
# 为规格对象添加选项列表
spec.option_list = option_list
# 重新构造规格数据
specs_list.append(spec)
context = {
'sku': sku,
'categories': categories,
'breadcrumb': breadcrumb,
'category_id': sku.category_id,
'spu': spu,
'specs': specs_list
}
return render(request, 'detail.html', context)
def get_detail_html(sku_id):
# 获取当前sku对象
sku = SKU.objects.get(id=sku_id)
# 分类数据
categories = get_categories()
# 获取面包屑导航
breadcrumb = get_breadcrumb(sku.category)
# 获取spu
spu = sku.spu
# 获取规格信息：sku===>spu==>specs
specs = spu.specs.order_by('id')
# 查询所有的sku，如华为P10的所有库存商品
skus = spu.skus.order_by('id')
'''
{
选项:sku_id
}
说明：键的元组中，规格的索引是固定的
示例数据如下：
{
(1,3):1,
(2,3):2,
(1,4):3,
(2,4):4
}
'''
sku_options = {}
sku_option = []
for sku1 in skus:
infos = sku1.specs.order_by('spec_id')
option_key = []
for info in infos:
option_key.append(info.option_id)
# 获取当前商品的规格信息
if sku.id == sku1.id:
sku_option.append(info.option_id)
sku_options[tuple(option_key)] = sku1.id
# 遍历当前spu所有的规格
specs_list = []
for index, spec in enumerate(specs):
option_list = []
for option in spec.options.all():
# 如果当前商品为蓝、64,则列表为[2,3]
sku_option_temp = sku_option[:]
# 替换对应索引的元素：规格的索引是固定的[1,3]
sku_option_temp[index] = option.id
# 为选项添加sku_id属性，用于在html中输出链接
option.sku_id = sku_options.get(tuple(sku_option_temp), 0)
# 添加选项对象
option_list.append(option)
# 为规格对象添加选项列表
spec.option_list = option_list
# 重新构造规格数据
specs_list.append(spec)
context = {
'sku': sku,
'categories': categories,
'breadcrumb': breadcrumb,
'category_id': sku.category_id,
'spu': spu,
'specs': specs_list
}
response = render(None, 'detail.html', context)
file_name = os.path.join(settings.BASE_DIR,
'static/detail/%d.html' % sku.id)
# 写文件
with open(file_name, 'w') as f1:
f1.write(response.content.decode())
