def view_chart(request):
# 检查用户是否登录
util = Util()
username = util.check_user(request)
if username == '':
uf = LoginForm()
return render(request, 'index.html', {'uf': uf, 'error': '请登录后再进入'})
else:
count = util.count_cookies(request) # 当前购物车中的商品数量
# 返回所有cookie的内容
my_chart_list = util.my_chart(request)
return render(request, 'view_chart.html', {
'user': username,
'count': count,
'goodss': my_chart_list
})
def update_chart(request, good_id):
# 检查用户是否登录
util = Util()
username = util.check_user(request)
if username == '':
uf = LoginForm()
return render(request, 'index.html', {'uf': uf, 'error': '请登录后再进入'})
else:
good = get_object_or_404(Goods, id=good_id) # 获取对应的商品
count = request.POST.get('count' + good_id, '') # 获取修改的数量
if int(count) <= 0:
my_chart_list = util.my_chart(request)
return render(request, 'view_chart.html', {
'user': username,
'error': '个数不能小于等于0',
'goodss': my_chart_list
})
else:
response = HttpResponseRedirect('/view_chart/')
response.set_cookie(str(good.id), count, 365 * 24 * 60 * 60)
return response
