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我正在閱讀「開始Django電子商務」一書,我試圖在所有頁面上顯示「去購物車」鏈接。'str'對象沒有屬性'會話'
我得到這個error: 'str' object has no attribute 'session'
和線
"{% cart_box request%}"
在HTML中突出了這個錯誤。
這是HTML
{% load catalog_tags %}
<div class="cart_box">
{% cart_box request %}
</div>
{% if hour == 7 or hour == 9 or hour == 12 %}
Order time = {{hour}}
這是圖。
def menu_hour(request,hour):
#set the test cookie
request.session.set_test_cookie()
hour = int(hour)
food = Food.objects.all()
output = ', '.join([f.name for f in food])
steak = Food.objects.get(name="Steak and Egg Burrito")
steak.price = 15
steak.save()
queso = Food.objects.get(name="Queso Burrito")
queso.time = hour
food_dict = {"steak": steak, "queso": queso, "hour":hour}
return render_to_response('menu_hour.html', food_dict, context_instance=RequestContext(request))
這是目錄標記
from django import template
from cart import cart
register = template.Library()
@register.inclusion_tag("tags/cart_box.html")
def cart_box(request):
cart_item_count = cart.cart_distinct_item_count(request)
return {'cart_item_count': cart_item_count }
這是目錄標記HTML
{% with cart_item_count as cart_count %}
<a href="{% url show_cart %}">
Shopping Cart
<br />
{{ cart_count }} Item{{ cart_count|pluralize }}
</a>
{% endwith %}
你調用'session'的唯一對象是請求,在def menu_hour的第一行。這表明請求是一個字符串。你在哪裏調用這個函數? – Lenna 2012-07-27 04:00:18
但我通過「請求」時,我打電話給render_to_response,應該發送請求到我的html頁面。沒有? – anc1revv 2012-07-27 04:14:35
從哪裏調用menu_hour視圖?你是手動調用還是從urls.py調用? – Babu 2012-07-27 04:52:04