Django自定义模板标签中的访问请求

  • Z时代
  • 2024-01-10
  • 分类：问答

我在myapp_extras.py中的代码：

from django import template
register = template.Library()
@register.inclusion_tag('new/userinfo.html')
def address():
    address = request.session['address']
    return {'address':address}

在“ settings.py”中：

TEMPLATE_CONTEXT_PROCESSORS =(
    "django.core.context_processors.auth",
    "django.core.context_processors.debug",
    "django.core.context_processors.i18n",
    "django.core.context_processors.media",
    'django.core.context_processors.request'
)

但我得到一个错误：

TemplateSyntaxError at /items/
Caught an exception while rendering: global name 'request' is not defined
Original Traceback (most recent call last):
  File "C:\Python25\lib\site-packages\django\template\debug.py", line 71, in render_node
    result = node.render(context)
  File "C:\Python25\lib\site-packages\django\template\__init__.py", line 915, in render
    dict = func(*args)
  File "C:\p4\projects\myproject\..\myproject\invoice\templatetags\myapp_extras.py", line 9, in address
    address = request.session['address']
NameError: global name 'request' is not defined

回答：

request在该范围内不是变量。你必须首先从上下文中获取它。传递takes_context给装饰器并添加context到tag参数。

像这样：

@register.inclusion_tag('new/userinfo.html', takes_context=True)
def address(context):
    request = context['request']
    address = request.session['address']
    return {'address':address}

以上是 Django自定义模板标签中的访问请求 的全部内容， 来源链接： utcz.com/qa/403740.html

回到顶部