def get_detail_html(sku_id):
"""
生成静态商品详情页面
:param sku_id: 商品sku id
"""
# 获取当前sku的信息
sku = models.SKU.objects.get(id=sku_id)
# 查询商品频道分类
categories = get_categories()
# 查询面包屑导航
breadcrumb = get_breadcrumb(sku.category)
# 构建当前商品的规格键
sku_specs = sku.specs.order_by('spec_id')
sku_key = []
for spec in sku_specs:
sku_key.append(spec.option.id)
# 获取当前商品的所有SKU
skus = sku.spu.sku_set.all()
# 构建不同规格参数（选项）的sku字典
spec_sku_map = {}
for s in skus:
# 获取sku的规格参数
s_specs = s.specs.order_by('spec_id')
# 用于形成规格参数-sku字典的键
key = []
for spec in s_specs:
key.append(spec.option.id)
# 向规格参数-sku字典添加记录
spec_sku_map[tuple(key)] = s.id
# 获取当前商品的规格信息
goods_specs = sku.spu.specs.order_by('id')
# 若当前sku的规格信息不完整，则不再继续
if len(sku_key) < len(goods_specs):
return
for index, spec in enumerate(goods_specs):
# 复制当前sku的规格键
key = sku_key[:]
# 该规格的选项
spec_options = spec.options.all()
for option in spec_options:
# 在规格参数sku字典中查找符合当前规格的sku
key[index] = option.id
option.sku_id = spec_sku_map.get(tuple(key))
spec.spec_options = spec_options
# 上下文
context = {
'categories': categories,
'breadcrumb': breadcrumb,
'sku': sku,
'specs': goods_specs,
}
template = loader.get_template('detail.html')
html_text = template.render(context)
file_path = os.path.join(settings.STATICFILES_DIRS[0], 'detail/' + str(sku_id) + '.html')
with open(file_path, 'w') as f:
f.write(html_text)
def generate_static_index_html():
# 测试
print("%s:generate_static_index_html" % time.ctime())
# 获取商品频道和分类
categories = get_categories()
# 获取所有广告类别
content_category = ContentCategory.objects.all()
contents ={}
# 遍历广告类别 取出广告信息
for category in content_category:
contents[category.key] = category.content_set.filter(status=True).order_by('sequence')
# 渲染模板
context = {
'categories': categories,
'contents': contents
}
# 获取首页模板
template = loader.get_template('index.html')
# 渲染成html_text
html_text = template.render(context)
# 将html_text写入指定目录
file_path = os.path.join(settings.STATICFILES_DIRS[0],'index.html')
with open(file_path,'w',encoding='utf-8') as file:
file.write(html_text)
def generate_static_index_html():
print('%s: generate_static_index_html' % time.ctime())
# 1.获取 首页需要的数据
from apps.contents.utils import get_categories
categories = get_categories()
# 2.获取广告数据
# 2.1 获取所有的广告分类 content_category
from apps.contents.models import ContentCategory
content_categories = ContentCategory.objects.all()
# 2.2 遍历 广告分类
contents = {}
for cat in content_categories:
# 2.3 通过外键属性 获取 广告内容
contents[cat.key] = cat.content_set.filter(
status=True).order_by('sequence')
# 前端数据
context = {'categories': categories, 'contents': contents}
# 2.获取 模板里面的 index.html
from django.template import loader
template = loader.get_template('index.html')
# 3.渲染 index.html 和 数据
html_text = template.render(context)
# 4. 写入本地文件
file_path = os.path.join(settings.STATICFILES_DIRS[0], 'index.html')
with open(file_path, 'w', encoding='utf-8') as f:
f.write(html_text)
def generate_static_index_html():
"""
生成静态的主页html文件
"""
print('%s: generate_static_index_html' % time.ctime())
# 获取商品频道和分类
categories = get_categories()
# 广告内容
contents = {}
content_categories = ContentCategory.objects.all()
for cat in content_categories:
contents[cat.key] = cat.content_set.filter(
status=True).order_by('sequence')
# 渲染模板
context = {'categories': categories, 'contents': contents}
# 获取首页模板文件
template = loader.get_template('index.html')
# 渲染首页html字符串
html_text = template.render(context)
# 将首页html字符串写入到指定目录，命名'index.html'
file_path = os.path.join(settings.STATICFILES_DIRS[0], 'index.html')
with open(file_path, 'w', encoding='utf-8') as f:
f.write(html_text)
def generate_static_index_html():
"""
定义:用户直接去静态服务器，访问处理好的静态html文件。
需求:为什么要静态化
减少数据库查询次数。
提升页面响应效率。
# 1.生成静态的主页html文件
# 2.获取频道和分类
# 3.获取广告内容
# 4.渲染模板
# 5.获取首页模板文件
:return:
"""
# 1.生成静态的主页html文件
print('%s:generate_static_index_html' % time.ctime())
# 2.获取频道和分类
categories = get_categories()
# 3.获取广告内容
contents = {}
content_categories = ContentCategory.objects.all()
for cat in content_categories:
contents[cat.key] = cat.content_set.filter(
status=True).order_by('sequence')
# 4.渲染模板
context = {'categories': categories, 'contents': contents}
# 5.获取首页模板文件
template = loader.get_template('index.html')
# 6.渲染首页html字符串(获取数据)
html_text = template.render(context)
#将首页的html字符串写入到制定目录,命名'index.html'
file_path = os.path.join(settings.STATICFILES_DIRS[0], 'index.html')
with open(file_path, 'w', encoding='utf-8') as f:
f.write(html_text)
def generate_static_index_html():
print('%s: generate_static_index_html' % time.ctime())
# 1.获取 首页 数据 交互数据库
categories = get_categories()
# 2.获取 广告数据
contents = {}
# 2.1 获取广告分类数据 所有 all()
content_categorys = ContentCategory.objects.all()
# 2.2 遍历 分类 id name key
for cat in content_categorys:
# 2.3 根据分类 获取 对应的 广告内容
contents[cat.key] = cat.content_set.filter(
status=True).order_by('sequence')
context = {'categories': categories, 'contents': contents}
# 2.获取 首页 的 模板文件
template = loader.get_template('index.html')
# 3.将数据和 模板文件 --渲染
html_text = template.render(context)
# 4.写入本地---本地路径
file_path = os.path.join(settings.STATICFILES_DIRS[0], 'index.html')
with open(file_path, 'w') as f:
f.write(html_text)
def get(self, request, sku_id):
# 查看当前sku的信息
try:
sku = SKU.objects.get(id=sku_id)
except SKU.DoesNotExist:
return render(request, '404.html')
# 调用商品频道三级分类
categories = get_categories()
# 掉用面包屑组件
breadcrumb = get_breadcrumb(sku.category)
# 构建当前商品的规格键
sku_specs = sku.specs.order_by('spec_id')
sku_key = []
for spec in sku_specs:
sku_key.append(spec.option.id)
# 获取当前商品的所有SKU
skus = sku.spu.sku_set.all()
# 构建不同的规格参数（选项）的sku字典
spec_sku_map = {}
for s in skus:
# 获取sku的规格参数
s_specs = s.specs.order_by('spec_id')
# 用于形成规格参数-sku字典的键
key = []
for spec in s_specs:
key.append(spec.option.id)
# 向规格参数-sku字典添加记录
spec_sku_map[tuple(key)] = s.id
# 获取当前商品的规格信息
goods_specs = sku.spu.specs.order_by('id')
# 若当前sku的规格信息不完整，则不再继续
if len(sku_key) < len(goods_specs):
return
for index, spec in enumerate(goods_specs):
# 复制当前的sku的规格键
key = sku_key[:]
# 该规格的选项
spec_options = spec.options.all()
for option in spec_options:
# 在规格参数sku字典中查找符合当前规格的sku
key[index] = option.id
option.sku_id = spec_sku_map.get(tuple(key))
spec.spec_options = spec_options
# 渲染页面
context = {
'categories': categories,
'breadcrumb': breadcrumb,
'sku': sku,
'specs': goods_specs,
}
return render(request, 'detail.html', context)
def get(self, request, sku_id):
try:
sku = SKU.objects.get(id=sku_id)
except SKU.DoesNotExist:
return render(request, '404.html')
# 查询商品频道分类
categories = get_categories()
# 查询面包屑导航
breadcrumb = get_breadcrumb(sku.category)
# 查询当前sku所对应的spu
spu = sku.spu
# 获取当前sku所对应的三级分类
category = sku.category
"""1.准备当前商品的规格选项列表 [8, 11]"""
# 获取出当前正显示的sku商品的规格选项id列表
current_sku_spec_qs = sku.specs.order_by('spec_id')
current_sku_option_ids = [] # [8, 11]
for current_sku_spec in current_sku_spec_qs:
current_sku_option_ids.append(current_sku_spec.option_id)
"""2.构造规格选择仓库
{(8, 11): 3, (8, 12): 4, (9, 11): 5, (9, 12): 6, (10, 11): 7, (10, 12): 8}
"""
# 构造规格选择仓库
temp_sku_qs = spu.sku_set.all() # 获取当前spu下的所有sku
# 选项仓库大字典
spec_sku_map = {} # {(8, 11): 3, (8, 12): 4, (9, 11): 5, (9, 12): 6, (10, 11): 7, (10, 12): 8}
for temp_sku in temp_sku_qs:
# 查询每一个sku的规格数据
temp_spec_qs = temp_sku.specs.order_by('spec_id')
temp_sku_option_ids = [] # 用来包装每个sku的选项值
for temp_spec in temp_spec_qs:
temp_sku_option_ids.append(temp_spec.option_id)
spec_sku_map[tuple(temp_sku_option_ids)] = temp_sku.id
"""3.组合 并找到sku_id 绑定"""
spu_spec_qs = spu.specs.order_by('id') # 获取当前spu中的所有规格
for index, spec in enumerate(spu_spec_qs): # 遍历当前所有的规格
spec_option_qs = spec.options.all() # 获取当前规格中的所有选项
temp_option_ids = current_sku_option_ids[:] # 复制一个新的当前显示商品的规格选项列表
for option in spec_option_qs: # 遍历当前规格下的所有选项
temp_option_ids[index] = option.id # [8, 12]
option.sku_id = spec_sku_map.get(tuple(temp_option_ids)) # 给每个选项对象绑定下他sku_id属性
spec.spec_options = spec_option_qs # 把规格下的所有选项绑定到规格对象的spec_options属性上
context = {
'categories': categories,
'breadcrumb': breadcrumb,
'sku': sku,
'spu': spu,
'category': category,
'spec_qs': spu_spec_qs
}
return render(request, 'detail.html', context)
def get(self, request):
# 查询商品频道和分类
categories = get_categories()
return render(request, 'index.html', {
'categories': categories,
'contents': self.get_advertising()
})
def generate_static_sku_detail_html(sku):
# 调用商品分类频道
categories = get_categories()
# 调用面包屑组件
breadcrumb = get_breadcrumb(sku.category)
# 构建当前商品的规格键
sku_specs = sku.specs.order_by('spec_id')
sku_key = []
for spec in sku_specs:
sku_key.append(spec.option.id)
# 获取当前商品的所有SKU
skus = sku.spu.sku_set.all()
# 构建不同规格参数（选项）的sku字典
spec_sku_map = {}
for s in skus:
# 获取sku的规格参数
s_specs = s.specs.order_by('spec_id')
# 用于形成规格参数-sku字典的键
key = []
for spec in s_specs:
key.append(spec.option.id)
# 向规格参数-sku字典添加记录
spec_sku_map[tuple(key)] = s.id
# 获取当前商品的规格信息
goods_specs = sku.spu.specs.order_by('id')
# 若当前sku的规格信息不完整，则不再继续
if len(sku_key) < len(goods_specs):
return
for index, spec in enumerate(goods_specs):
# 复制当前sku的规格键
key = sku_key[:]
# 该规格的选项
spec_options = spec.options.all()
for option in spec_options:
# 在规格参数sku字典中查找符合当前规格的sku
key[index] = option.id
option.sku_id = spec_sku_map.get(tuple(key))
spec.spec_options = spec_options
# 渲染页面
context = {
'categories': categories,
'breadcrumb': breadcrumb,
'sku': sku,
'specs': goods_specs,
}
# 获取详情页模板
templage = loader.get_template('detail.html')
# 渲染成html_text
html_text = templage.render(context)
# 将html_text写入指定文件
file_path = os.path.join(settings.STATICFILES_DIRS[0],
'detail/' + str(sku.id) + '.html')
with open(file_path, 'w', encoding='utf-8') as file:
file.write(html_text)
def get(self, request, sku_id):
"""
1.根据sku_id,进行查询
2.获取面包屑
3.获取分类数据
"""
# 1.根据sku_id,进行查询
try:
sku = SKU.objects.get(pk=sku_id)
except Exception as e:
return render(request, '404.html')
# 2.获取面包屑
breadcrumb = get_breadcrumb(sku.category)
# 3.获取分类数据
categories = get_categories()
# 构建当前商品的规格键
sku_specs = sku.specs.order_by('spec_id')
sku_key = []
for spec in sku_specs:
sku_key.append(spec.option.id)
# 获取当前商品的所有SKU
skus = sku.spu.sku_set.all()
# 构建不同规格参数（选项）的sku字典
spec_sku_map = {}
for s in skus:
# 获取sku的规格参数
s_specs = s.specs.order_by('spec_id')
# 用于形成规格参数-sku字典的键
key = []
for spec in s_specs:
key.append(spec.option.id)
# 向规格参数-sku字典添加记录
spec_sku_map[tuple(key)] = s.id
# 获取当前商品的规格信息
goods_specs = sku.spu.specs.order_by('id')
# 若当前sku的规格信息不完整，则不再继续
if len(sku_key) < len(goods_specs):
return
for index, spec in enumerate(goods_specs):
# 复制当前sku的规格键
key = sku_key[:]
# 该规格的选项
spec_options = spec.options.all()
for option in spec_options:
# 在规格参数sku字典中查找符合当前规格的sku
key[index] = option.id
option.sku_id = spec_sku_map.get(tuple(key))
spec.spec_options = spec_options
context = {
'categories': categories,
'breadcrumb': breadcrumb,
'sku': sku,
'specs': goods_specs
}
return render(request, 'detail.html', context=context)
def get(self, request, category_id, page_num):
# 判断有没有三级分类数据
try:
category = GoodsCategory.objects.get(id=category_id)
except Exception as e:
logger.error(e)
return http.HttpResponseNotFound('GoodsCategory does not exist')
# 调用商品频道分类分数
categories = get_categories()
# 调用面包屑导航
breadcrumb = get_breadcrumb(category)
# 按照排序规则查询该分类商品SKU信息
# 获取用户的查询方式
sort = request.GET.get('sort', 'default')
# 判断
if sort == 'price':
sort_field = 'price'
elif sort == 'hot':
sort_field = '-sales'
else:
sort_field = 'create_time'
# SKU信息排序
skus = SKU.objects.filter(category=category,
is_launched=True).order_by(sort_field)
# 分页
from django.core.paginator import Paginator
# 实例化分页器 提供内容和分页的数
pagenator = Paginator(skus, constants.GOODS_LIST_LIMIT)
# 获取总页数
total_page = pagenator.num_pages
# 获取每页的数据
try:
page_skus = pagenator.page(page_num)
except Exception as e:
logger.error(e)
return http.HttpResponseNotFound('empty page')
# 渲染页面
context = {
'categories': categories, # 频道分类
'breadcrumb': breadcrumb, # 面包屑导航
'sort': sort, # 排序字段
'category': category, # 第三级分类
'page_skus': page_skus, # 分页后数据
'total_page': total_page, # 总页数
'page_num': page_num, # 当前页码
}
# 响应结果
return render(request, 'list.html', context)
def get(self, request, category_id, page_num):
'''
商品三级列表
:param request:
:param category_id:
:param page_num:
:return:
'''
"""提供商品列表页"""
# 判断category_id是否正确
try:
category = models.GoodsCategory.objects.get(id=category_id)
except models.GoodsCategory.DoesNotExist:
return HttpResponseNotFound('GoodsCategory does not exist')
# 1.0 三级列表
categories = get_categories()
# 2.0 面包屑
# 接收sort参数：如果用户不传，就是默认的排序规则
sort = request.GET.get('sort', 'default')
# 默认
if sort == 'price':
# 升序 价格从低到高
sort_field = 'price'
elif sort == 'hot':
# 降序 热度从搞到低
sort_field = '-sales'
else:
# 其余的都是默认
sort_field = 'create_time'
skus = SKU.objects.filter(category=category,
is_launched=True).order_by(sort_field)
# 实例化创建分页器 每页N个数据
# 所有数据
paginator = Paginator(skus, constants.GOODS_LIST_LIMIT)
# 获取每页商品数据
try:
page_skus = paginator.page(page_num)
except EmptyPage:
# 如果page_num不正确，默认给用户404
return HttpResponseNotFound('empty page')
# 获取列表页总页数
total_page = paginator.num_pages
breadcrumb = get_breadcrumb(category)
context = {
'categories': categories, # 频道分类
'breadcrumb': breadcrumb, # 面包屑导航
'sort': sort, # 排序字段
'category': category, # 第三级分类
'page_skus': page_skus, # 分页后数据
'total_page': total_page, # 总页数
'page_num': page_num, # 当前页码
}
return render(request, 'list.html', context)
def get(self, request, sku_id):
# 1.根据sku_id获取当前sku的信息
try:
sku = SKU.objects.get(id=sku_id)
except Exception as e:
# todo 如果搜索的商品不存在,直接跳转商品不存在的404页面
return render(request, '404.html')
# 2.查询商品频道分类
categories = get_categories()
# 3.查询面包屑导航
breadcrumb = get_breadcrumb(sku.category)
"""多对多的信息"""
# 4.构建当前商品的规格键
sku_specs = sku.specs.order_by('spec_id')
sku_key = []
for spec in sku_specs:
sku_key.append(spec.option.id)
# 获取当前商品的所有SKU
skus = sku.spu.sku_set.all()
# 构建不同规格参数（选项）的sku字典
spec_sku_map = {}
for s in skus:
# 获取sku的规格参数
s_specs = s.specs.order_by('spec_id')
# 用于形成规格参数-sku字典的键
key = []
for spec in s_specs:
key.append(spec.option.id)
# 向规格参数-sku字典添加记录
spec_sku_map[tuple(key)] = s.id
# 获取当前商品的规格信息
goods_specs = sku.spu.specs.order_by('id')
# 若当前sku的规格信息不完整，则不再继续
if len(sku_key) < len(goods_specs):
return
for index, spec in enumerate(goods_specs):
# 复制当前sku的规格键
key = sku_key[:]
# 该规格的选项
spec_options = spec.options.all()
for option in spec_options:
# 在规格参数sku字典中查找符合当前规格的sku
key[index] = option.id
option.sku_id = spec_sku_map.get(tuple(key))
spec.spec_options = spec_options
# 5.组织渲染页面的数据
context = {
'categories': categories,
'breadcrumb': breadcrumb,
'sku': sku,
'specs': goods_specs,
}
return render(request, 'detail.html', context)
def get(self, request, category_id, page_num):
# 获取三级分类的对象
try:
category = GoodsCategory.objects.get(id=category_id)
except Exception as e:
return HttpResponseNotFound('商品分类不存在')
# 1.商品分类数据
from apps.contents.utils import get_categories
categories = get_categories()
# 2.面包屑组件数据
from apps.goods.utils import get_breadcrumb
breadcrumb = get_breadcrumb(category)
# 3. 排序
# 3.1 获取sort 里面的参数值 查询参数
sort = request.GET.get('sort', 'default')
# 3.2 判断 排序的字段值 sort 模型对象
if sort == 'price':
sort_field = 'price'
elif sort == 'hot':
sort_field = '-sales'
else:
# 默认都是 创建时间排序
sort_field = 'create_time'
# 3.3 根据排序规则 获取category_id 对应的所有 上架的商品
skus = SKU.objects.filter(category=category,
is_launched=True).order_by(sort_field)
# 4. 分页--django提供了分页器
# 4.1 实例化 分页器(分页的数据,每页显示的个数)==>返回每页显示的数据skus
from django.core.paginator import Paginator
paginator = Paginator(skus, 5)
# 4.2 告诉分页器 当前显示的页数
try:
page_skus = paginator.page(page_num)
except Exception as e:
return HttpResponseNotFound('当前页数超出范围了!')
# 4.3 获取总页数
total_page = paginator.num_pages
context = {
'categories': categories,
'breadcrumb': breadcrumb,
'sort': sort, # 排序字段
'category': category, # 第三级分类
'page_skus': page_skus, # 分页后数据
'total_page': total_page, # 总页数
'page_num': page_num, # 当前页码
}
return render(request, 'list.html', context)
def get(self, request, sku_id):
try:
sku = SKU.objects.get(id=sku_id)
except Exception as e:
return render(request, '404.html')
# 面包屑组件
breadcrumb = get_breadcrumb(sku.category)
# 商品分类三级菜单d
categories = get_categories()
# 获取当前商品的规格
sku_specs = sku.specs.order_by('spec_id')
sku_key = []
for spec in sku_specs:
sku_key.append(spec.option_id)
# 1. 获取当前商品的所有 sku
# skus = sku.spu.sku_set.all()
# 2. 获取当前商品的所有 sku
skus = SKU.objects.filter(spu=sku.spu)
# 构建不同参数的sku字典
spec_sku_map = {}
for s in skus:
key = []
s_specs = s.specs.order_by('spec_id')
for spec in s_specs:
key.append(spec.option_id)
spec_sku_map[tuple(key)] = s.id
# 获取当前商品的规格
goods_specs = sku.spu.specs.order_by('id')
for index, spec in enumerate(goods_specs):
key = sku_key[:]
spec_options = spec.options.all()
for option in spec_options:
key[index] = option.id
option.sku_id = spec_sku_map.get(tuple(key))
spec.spec_options = spec_options
# 获取商品评论
comments = OrderGoods.objects.filter(sku=sku).exclude(comment='')
# 商品评论总数
count = len(comments)
# 渲染页面
context = {
'categories': categories,
'breadcrumb': breadcrumb,
'sku': sku,
'specs': goods_specs,
'count': count
}
return render(request, 'detail.html', context)
def get(self, request, category_id, page_num):
# 判断category_id是否正确
try:
category = GoodsCategory.objects.get(id=category_id)
except GoodsCategory.DoesNotExist:
return http.HttpResponseNotFound('GoodsCategory does not exist')
# 调用商品频道三级联动
categories = get_categories()
# 调用面包屑导航
breadcrumb = get_breadcrumb(category)
# 排序
# 1 接收参数
sort = request.GET.get('sort', 'default')
# 2 校验参数
if sort == 'price':
sort_filed = 'price'
elif sort == 'hot':
sort_filed = '-sales'
else:
sort_filed = 'create_time'
# 3 对商品信息进行排序
skus = SKU.objects.filter(category=category,
is_launched=True).order_by(sort_filed)
# 分页
# 1 创建分页器对象
paginator = Paginator(skus, constants.GOODS_LIST_LIMIT)
# 2 获取每页的数据
try:
page_skus = paginator.page(page_num)
except EmptyPage:
# 如果page_num不正确，默认给用户404
return http.HttpResponseNotFound('empty page')
# 3 获取总页数
total_page = paginator.num_pages
# 构造前端需要的数据 渲染页面
context = {
'categories': categories, # 频道分类
'breadcrumb': breadcrumb, # 面包屑导航
'sort': sort, # 排序字段
'category': category, # 第三级分类
'page_skus': page_skus, # 分页后数据
'total_page': total_page, # 总页数
'page_num': page_num, # 当前页码
}
return render(request, 'list.html', context)
def get(self, request, category_id, page_num):
"""提供商品列表页"""
# 判断category_id是否正确
try:
category = GoodsCategory.objects.get(pk=category_id)
except GoodsCategory.DoesNotExist:
return http.HttpResponseBadRequest('GoodsCategory does not exist')
# 接收sort参数：如果用户不传，就是默认的排序规则
sort = request.GET.get('sort', 'default')
# 查询商品频道分类
categories = get_categories()
# 查询面包屑导航
breadcrumb = get_breadcrumb(category)
# 按照排序规则查询该分类商品SKU信息
if sort == 'price':
# 按照价格由低到高
sort_field = 'price'
elif sort == 'hot':
# 按照销量由高到低
sort_field = '-sales'
else:
# 'price'和'sales'以外的所有排序方式都归为'default'
sort = 'default'
sort_field = 'create_time'
skus = SKU.objects.filter(category=category,
is_launched=True).order_by(sort_field)
# 创建分页器：每页N条记录
paginator = Paginator(skus, 5)
# 获取每页商品数据
try:
page_skus = paginator.page(page_num)
except Exception as e:
logger.error(e)
# 如果page_num不正确，默认给用户404
return http.HttpResponseNotFound('empty page')
# 获取列表页总页数
total_page = paginator.num_pages
# 渲染页面
context = {
'categories': categories, # 频道分类
'breadcrumb': breadcrumb, # 面包屑导航
'sort': sort, # 排序字段
'category': category, # 第三级分类
'page_skus': page_skus, # 分页后数据
'total_page': total_page, # 总页数
'page_num': page_num, # 当前页码
}
return render(request, 'list.html', context=context)
def get(self, request, category_id, page_num):
"""
1.判断category_id
2.获取分类数据
3.获取面包屑数据
4.组织排序字段
5.分页
6.组织数据
7.返回相应
"""
# 1.判断category_id
try:
category = GoodsCategory.objects.get(pk=category_id)
except Exception as e:
return http.HttpResponseNotFound('分类数据错误')
# 2.获取分类数据
categories = get_categories()
# 3.获取面包屑数据
breadcrumb = get_breadcrumb(category)
# 4.组织排序字段
sort = request.GET.get('sort')
order_field = ''
if sort == 'price':
order_field = 'price'
elif sort == 'hot':
order_field = '-sales'
else:
sort = 'default'
order_field = 'create_time'
skus = SKU.objects.filter(category=category,
is_launched=True).order_by(order_field)
# 5.分页
paginator = Paginator(skus, per_page=5)
try:
page_num = int(page_num)
page_skus = paginator.page(page_num)
except Exception as e:
return http.HttpResponseNotFound('empty page')
#总页数
total_page = paginator.num_pages
# 6.组织数据
context = {
'categories': categories,
'breadcrumb': breadcrumb,
'sort': sort, # 排序字段
'category': category, # 第三级分类
'page_skus': page_skus, # 分页后数据
'total_page': total_page, # 总页数
'page_num': page_num, # 当前页码
}
# 7.返回相应
return render(request, 'list.html', context=context)
def get(self, request):
"""提供首页广告界面"""
# 查询商品频道和分类
categories = get_categories()
#查询广告信息
contents = {}
content_categories = ContentCategory.objects.all()
for cat in content_categories:
contents[cat.key] = cat.content_set.filter(
status=True).order_by('sequence')
# 渲染模板的上下文
context = {'categories': categories, 'contents': contents}
return render(request, 'index.html', context=context)
def get(self, request):
categories = get_categories()
contents = {}
content_categories = ContentCategory.objects.all()
for cat in content_categories:
contents[cat.key] = cat.content_set.filter(
status=True).order_by('sequence')
context = {
'categories': categories,
'contents': contents,
}
return render(request, 'index.html', context)
def get(self, request, category_id, page_num):
"""
:param category_id: 三级分类ID
:param page_num: 当前页数
"""
try:
cat3 = GoodsCategory.objects.get(pk=category_id)
except:
return http.HttpResponseForbidden('商品不存在!')
# 1.获取 商品 分类数据
categories = get_categories()
# 2.面包屑组件的功能
breadcrumbs = get_breadcrumb(cat3)
# 3. 排序 --获取 所有 SKU的值
# 前端传入的 sort 值 和 数据库的 字段 不对应 , 所以需要代码转换
sort = request.GET.get('sort')
if sort == "price":
order_field = 'price'
elif sort == 'hot':
order_field = '-sales'
else:
order_field = 'create_time'
# 查询出来的 所有 skus
skus = SKU.objects.filter(category=cat3,
is_launched=True).order_by(order_field)
# 1.导包分页器
from django.core.paginator import Paginator
# 2.实例化
paginator = Paginator(skus, 5)
# 3.获取 当前页的 skus数据
page_skus = paginator.page(page_num)
# 4.获取总个数
total_page = paginator.num_pages
context = {
'categories': categories,
'breadcrumbs': breadcrumbs,
'sort': sort, # 排序字段
'category': cat3, # 第三级分类
'page_skus': page_skus, # 分页后数据
'total_page': total_page, # 总页数
'page_num': page_num, # 当前页码
}
return render(request, 'list.html', context)
def get(self, request, category_id, page_num):
"""提供商品列表页"""
# 1.判断category_id是否存在
try:
category = GoodsCategory.objects.get(id=category_id)
except GoodsCategory.DoesNotExist:
return HttpResponseBadRequest('category参数错误')
# 2.查询商品频道分类,查询面包屑导航
categories = get_categories()
breadcrumb = get_breadcrumb(category)
# 3.根据sort方式 确认不同的排序字段,传递不同的数据进行数据排序
sort = request.GET.get('sort', 'default')
if sort == 'price':
# 价格 升序
sort_field = 'price'
elif sort == 'hot':
# 人气 按照销量降序
sort_field = '-sales'
else:
# 默认按照创建时间升序
sort_field = 'create_time'
# 根据排序字段查出所有数据
datas_obj = SKU.objects.filter(category=category).order_by(sort_field)
# 4.根据当前页号,每次返回5条
# ① 创建分页器
page_obj = Paginator(datas_obj, 5)
try:
# ② 获取指定页面的数据
datas = page_obj.page(page_num)
except EmptyPage:
# 如果page_num不正确，默认给用户404
return HttpResponseNotFound('empty page')
# ③获取列表页总页数
total_page = page_obj.num_pages
# 5.组装渲染数据并返回响应
# 渲染页面
context = {
'categories': categories, # 频道分类
'breadcrumb': breadcrumb, # 面包屑导航
'sort': sort, # 排序字段
'category': category, # 第三级分类
'page_skus': datas, # 分页后数据
'total_page': total_page, # 总页数
'page_num': page_num, # 当前页码
}
return render(request, 'list.html', context)
def get(self, request, sku_id):
try:
sku = SKU.objects.get(id=sku_id)
except SKU.DoesNotExist:
return render(request, '404.html')
categories = get_categories()
breadcrumb = get_breadcrumb(sku.category)
sku_specs = sku.specs.order_by('spec_id')
sku_key = []
for spec in sku_specs:
sku_key.append(spec.option.id)
skus = sku.spu.sku_set.all()
spec_sku_map = {}
for s in skus:
s_specs = s.specs.order_by('spec_id')
key = []
for spec in s_specs:
key.append(spec.option.id)
spec_sku_map[tuple(key)] = s.id
goods_specs = sku.spu.specs.order_by('id')
if len(sku_key) < len(goods_specs):
return
for index, spec in enumerate(goods_specs):
key = sku_key[:]
spec_options = spec.options.all()
for option in spec_options:
key[index] = option.id
option.sku_id = spec_sku_map.get(tuple(key))
spec.spec_options = spec_options
context = {
'categories': categories,
'breadcrumb': breadcrumb,
'sku': sku,
'specs': goods_specs,
}
return render(request, 'detail.html', context)
def generate_static_index_html():
"""
生成静态的主页html文件
"""
# <1> 获取首页需要的 数据库数据
# 1.获取三级分类商品 数据
categories = get_categories()
# 2.获取广告数据
contents = {}
# 2.1 获取所有的 广告分类
ad_categories = ContentCategory.objects.all()
# 2.2 遍历分类 取出每个分类广告
for category in ad_categories:
contents[category.key] = category.content_set.filter(
status=True).order_by('sequence')
context = {
'categories': categories,
'contents': contents,
}
# <2> 获取 index 模板文件 loader加载
# from django.template import loader
template = loader.get_template('index.html')
# <3> 渲染数据到模板文件 ==> html_text(渲染完毕的纯字符串)
html_text = template.render(context)
# <4> 将html_text 写入到本地文件
file_path = os.path.join(settings.STATICFILES_DIRS[0], 'index.html')
with open(file_path, 'w') as f:
f.write(html_text)
# 广告商没钱了 过节--重新生成首页--定时任务crontab静态化首页--dev.py
# 验证
# python manage.py shell
# >>> from apps.contents.crons import generate_static_index_html
# >>> generate_static_index_html()
# 开启测试静态服务器
# python -m http.server 8080 --bind 127.0.0.1
def get(self, request, category_id, page_num):
# category_id 三级分类ID
# 1.三级分类 调用 contents 封装好的代码
categories = get_categories()
# 2.面包屑组件 cat3.parent
# 获取cat3对象
cat3 = GoodsCategory.objects.get(id=category_id)
bread_crumb = get_breadcrumb(cat3)
# 3.排序 按照排序规则查询该分类商品SKU信息
# 3.1 sort == 'price':前端传入参数 hot default 不能直接对接数据库
sort = request.GET.get('sort')
if sort == 'price':
order_field = 'price'
elif sort == 'hot':
order_field = '-sales'
else:
order_field = 'create_time'
# 3.2 SKU.objects.filter().order_by()
skus = SKU.objects.filter(category=cat3,
is_launched=True).order_by(order_field)
print(skus)
# 4.分页器--paginator
from django.core.paginator import Paginator
# 4.1 一页显示几个
paginator = Paginator(skus, contants.GOODS_LIST_LIMIT)
# 4.2 总页数
all_pages = paginator.num_pages
# 4.3 当前页 显示的内容
page_skus = paginator.page(page_num)
context = {
'categories': categories, # 频道分类
'breadcrumb': bread_crumb, # 面包屑导航
'sort': sort, # 排序字段
'category': cat3, # 第三级分类
'page_skus': page_skus, # 分页后数据
'total_page': all_pages, # 总页数
'page_num': page_num, # 当前页码
}
return render(request, 'list.html', context)
def get(self, request):
# 1.获取三级分类商品 数据
categories = get_categories()
# 2.获取广告数据
contents = {}
# 2.1 获取所有的 广告分类
ad_categories = ContentCategory.objects.all()
# 2.2 遍历分类 取出每个分类广告
for category in ad_categories:
contents[category.key] = category.content_set.filter(status=True).order_by('sequence')
context = {
'categories': categories,
'contents': contents,
}
return render(request, 'index.html', context)
def get(self, request, category_id, page_num):
try:
category = GoodsCategory.objects.get(id=category_id)
except Exception as e:
return http.HttpResponseNotFound('GoodsCategory does not exist')
breadcrumb = get_breadcrumb(category)
categories = get_categories()
sort = request.GET.get('sort', 'default')
if sort == 'price':
sort_field = 'price'
elif sort == 'hot':
sort_field = '-sales'
else:
sort_field = 'create_time'
skus = SKU.objects.filter(category=category,
is_launched=True).order_by(sort_field)
paginator = Paginator(skus, 5)
# 总页数
total_page = paginator.num_pages
# 每一页的商品
try:
page_skus = paginator.page(page_num)
except Exception as e:
return http.HttpResponseNotFound('empty page')
context = {
'categories': categories,
'breadcrumb': breadcrumb,
'category': category,
'sort': sort,
'page_num': page_num,
'total_page': total_page,
'page_skus': page_skus
}
return render(request, 'list.html', context)
def get(self,request):
# 1.分类信息
# 分类信息在其他页面也会出现,我们应该直接抽取为一个方法
# 查询商品频道和分类
categories = get_categories()
# 2.楼层信息
# 广告数据
contents = {}
content_categories = ContentCategory.objects.all()
for cat in content_categories:
contents[cat.key] = cat.content_set.filter(status=True).order_by('sequence')
# 渲染模板的上下文
context = {
'categories': categories,
'contents': contents,
}
return render(request,'index.html',context=context)
def get(self, request, category_id, page_num):
# category_id 三级分类id
category = GoodsCategory.objects.get(id=category_id)
# 1. 商品分类数据
categories = get_categories()
# 2.获取面包屑组件
bread_crumb = get_breadcrumb(category)
# 3. 排序判断 default==create_time price=price hot==-sales
sort = request.GET.get('sort')
order_field = "create_time"
if sort == "price":
order_field = "price"
elif sort == "hot":
order_field = "-sales"
else:
order_field = "create_time"
# 获取 所有上架的商品(对应的类)---排序
skus = SKU.objects.filter(category=category,
is_launched=True).order_by(order_field)
# 每页有几个; 每页显示哪几个 ; 总页数; 当前页数 page_num
from django.core.paginator import Paginator
paginator = Paginator(skus, 5)
page_skus = paginator.page(page_num)
total_nums = paginator.num_pages
context = {
'categories': categories,
'breadcrumb': bread_crumb,
'category': category,
'sort': sort, # 排序字段
'page_skus': page_skus, # 分页后数据
'total_page': total_nums, # 总页数
'page_num': page_num, # 当前页码
}
return render(request, 'list.html', context)