基于Django的电子商务网站开发（连载26）

...url(r'^view_chart/$', views.view_chart),...

...# 查看购物车def view_chart(request): util = Util() username=util.check_user(request) if username=="": u =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})...

... #加入购物车 def add_chart(self,request): #获取购物车内的所有内容 cookie_list = self.deal_cookes(request) #定义my_chart_list列表 my_chart_list = [] #遍历cookie_list，把里面的内容加入类Chart_list列my_chart_list中 for key in cookie_list: chart_object = Chart_list chart_object = self.set_chart_list(key,cookie_list) my_chart_list.append(chart_object) #返回 my_chart_list return my_chart_list...

... #获取购物车内的所有内容 def deal_cookes(self,request): #获取本地所有的COOKIES cookie_list = request.COOKIES #去除COOKIES内的sessionid cookie_list.pop("sessionid") #如果COOKIES内含有csrftoken，去除COOKIES内的csrftoken if "csrftoken" in cookie_list: cookie_list.pop("csrftoken") #返回处理好的购物车内的所有内容 return cookie_list...

...#把获取购物车中商品放在一个名为Chart_list()的类中，返回给模板def set_chart_list(self,key,cookie_list): chart_list = Chart_list() good_list = get_object_or_404(Goods, id=key) chart_list.set_id(key)#商品的id chart_list.set_name(good_list.name)#商品的名称 chart_list.set_price(good_list.price)#商品的价钱 chart_list.set_count(cookie_list[key])#商品的个数 return chart_list...

...#购物车模型class Chart_list(): #主键 def set_id(self,id): self.id=id #商品名称 def set_name(self,name): self.name=name #商品价格 def set_price(self,price): self.price=price #商品数量 def set_count(self,count): self.count=count...

...{% extends "base.html" %}{% block content %} </ul> <ul class="nav navbar-nav navbar-right"> <li><a href="/user_info/">{{user}}</a></li> <li><a href="/logout/">退出</a></li> </ul> </div><!--/.nav-collapse --> </div> </nav> <div> <div id="navbar" class="navbar-collapse collapse"> </div><!--/.navbar-collapse --> </div> <div class="container theme-showcase" role="main"> <font color="#FF0000">{{error}}</font> <div> <div> <table class="table table-striped"> <thead> <tr> <th>编号</th> <th>名称</th> <th>价钱</th> <th>个数</th> <th>移除</th> </tr> </thead> <tbody> {% for key in goodss %} <tr> <td><a href="/view_goods/{{key.id}}/">{{key.id}}</a></td> <td>{{key.name}}</td> <td>￥{{key.price}}</td> <td><form action="/update_chart/{{key.id}}/" method="post"><input type="number" value="{{key.count}}" style="width:30px;" name="count{{key.id}}" id="id_count" required /><input type="submit" value="修改" /></form></td> <td><a href="/remove_chart/{{key.id}}/">移除</a></td> </tr> {% endfor %} </tbody> </table> <a href="/remove_chart_all/">清除所有</a>&nbsp;&nbsp;&nbsp;&nbsp; <a href="/view_address/">生成订单</a> </div> </div>{% endblock %}...