def update_chart(request, good_id):
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:
#获取编号为good_id的商品
good = get_object_or_404(Goods, id=good_id)
#获取修改的数量
count = (request.POST.get("count" + good_id, "")).strip()
#如果数量值<=0,报出错信息
if int(count) <= 0:
#获得购物车列表信息
my_chart_list = util.add_chart(request)
#返回错误信息
return render(request, "view_chart.html", {
"user": username,
"goodss": my_chart_list,
"error": "个数不能小与0"
})
else:
#否则修改商品数量
response = HttpResponseRedirect('/view_chart/')
response.set_cookie(str(good.id), count, 60 * 60 * 24 * 365)
return response
def update_chart(request, good_id):
'''
修改购物车中的商品数量
:param request:
:param good_id:
:return:
'''
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:
# 获取编号为good_id的商品
good = get_object_or_404(Goods, id=good_id)
# 获取修改的数量
count = (request.POST.get("count" + good_id, "")).strip()
# 如果数量值<=0, 就报出错信息
if int(count) <= 0:
# 获得购物车列表信息
my_chart_list = util.add_chart(request)
# 返回错误信息
return render(request, "view_chart.html", {
'user': username,
'goodss': my_chart_list,
'error': '个数不能少于或等于0！'
})
else:
# 否则修改商品数量
response = HttpResponseRedirect('/view_chart/')
response.set_cookie(str(good_id), count, 60 * 60 * 24 * 365)
return response
def view_chart(request):
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:
#购物车中商品个数
count = util.cookies_count(request)
#返回所有的cookie内容
my_chart_list = util.add_chart(request)
return render(request, "view_chart.html", {
"user": username,
"goodss": my_chart_list,
"count": count
})
def view_chart(request):
'''
查看购物车中的商品
:param request:
:return:
'''
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:
# 购物车中的商品个数
count = util.cookies_count(request)
# 返回所有的cookie内容
my_chart_list = util.add_chart(request)
return render(request, "view_chart.html", {
"user": username,
"goodss": my_chart_list,
"count": count
})
