def index(request):
'''浏览购物车'''
context = loadinfo(request)
if 'shoplist' not in request.session: # 会话中没有shoplist购物车
request.session['shoplist'] = {}
context['shoplist'] = request.session['shoplist']
return render(request, "cart/cart_list.html", context)
def index(request):
"""浏览购物车"""
context = loadinfo(request)
# 缓存/会话session中没有ShopList（购物车列表），默认指定为空
if 'ShopList' not in request.session:
request.session['ShopList'] = {}
context['shoplist'] = request.session['ShopList']
return render(request, 'cart/cart_list.html', context)
def detail(request, gid):
'''商品详情页'''
context = loadinfo(request)
# 加载商品详情信息
ob = Goods.objects.get(id=gid)
ob.clicknum += 1 # 点击量加1
ob.save()
context['good'] = ob
return render(request, "goods/detail.html", context)
def lists(request, page=1):
"""商品列表页（搜索&分页）"""
context = loadinfo(request)
# 获取商品信息查询对象
goods = Goods.objects
# 根据条件筛选商品列表
tid = request.GET.get('tid', None)
if tid:
# 根据tid筛选
goods = goods.filter(typeid=tid)
kw = request.GET.get('kw')
if kw:
# 根据关键字模糊搜索
goods = goods.filter(goods__contains=kw)
goods = goods.all().order_by('-addtime')
# 分页
paginator = Paginator(goods, per_page=2)
try:
goods = paginator.page(page) # 获取指定页的商品
print("当前页的商品信息：", goods.object_list)
except PageNotAnInteger:
# 如果请求的页数不是整数，返回第一页
goods = paginator.page(1)
except EmptyPage:
# 如果请求的页数不在合法的页数范围内，返回结果的最后一页
goods = paginator.page(paginator.num_pages)
except InvalidPage:
# 如果请求的页数不存在，重定向页面
return Http404('找不到页面的内容')
# 封装信息加载模板输出
context['goods'] = goods
context['paginator'] = paginator
print(goods)
return render(request, 'goods/list.html', context)
def lists(request, page=1):
'''商品列表页(搜索&分页)'''
context = loadinfo(request) # 获取商品信息查询对象
goods = Goods.objects
# 根据类型id查询
tid = request.GET.get('tid', None)
if tid:
goods = goods.filter(typeid=tid) # 根据typeid 查询goods
# 关键字查询
kw = request.GET.get('kw', None)
if kw:
# 过滤goods字段
goods = goods.filter(goods__contains=kw)
goods = goods.all()
paginator = Paginator(goods, 4) # 4以条每页创建分页对象
try:
goods = paginator.page(page)
except PageNotAnInteger:
# 如果请求的页数不是整数, 返回第一页。
goods = paginator.page(1)
except EmptyPage:
# 如果请求的页数不在合法的页数范围内，返回结果的最后一页。
goods = paginator.page(paginator.num_pages)
except InvalidPage:
# 如果请求的页数不存在, 重定向页面
return HttpResponse('找不到页面的内容')
# 封装信息加载模板输出
context['goods'] = goods
context['paginator'] = paginator
return render(request, "goods/list.html", context=context)
# 判断添加搜索条件
"""