我在我的项目中使用Django 1.11 。在我的编辑表单中,我有ImageField。Django 默认渲染 html,您可以在下面看到。如何正确更改编辑表单中 ImageField 的 html?
我尝试了下一个代码,但 Django 引发错误TemplateDoesNotExist。Django 在我的自定义小部件中看不到template_file?如何解决这个问题?顺便说一下,initial_text和input_text效果很好。我也试过template_with_initial但不幸的是它没有帮助我。如果有任何帮助,我将不胜感激!
Django默认渲染这个 html:
Currently:
<a href="/media/images/2017/08/23/picture.jpg">images/2017/08/23/picture.jpg</a>
Change:
<input name="image" id="id_image" type="file">
小部件.py:
from django.forms.widgets import ClearableFileInput
class CustomClearableFileInput(ClearableFileInput):
initial_text = 'Current image'
input_text = 'Change'
clear_checkbox_label = 'Clear Image'
template_name = 'custom_clearable_file_input.html' <-- DONT WORK
custom_clearable_file_input.html:
{% if widget.is_initial %}
<span>{{ widget.initial_text }}</span>: <a href="{{ widget.value.url }}">{{ widget.value }}</a>
{% if not widget.required %}
<input type="checkbox" name="{{ widget.checkbox_name }}" id="{{ widget.checkbox_id }}"/>
<label for="{{ widget.checkbox_id }}">{{ widget.clear_checkbox_label }}</label>
{% endif %}
<br/>
<span>{{ widget.input_text }}</span>:
{% endif %}
<input type="{{ widget.type }}" name="{{ widget.name }}"{% include "django/forms/widgets/attrs.html" %}/>
错误:
Traceback (most recent call last):
File "/srv/envs/Project/lib/python3.6/site-packages/django/core/handlers/exception.py", line 41, in inner
response = get_response(request)
File "/srv/envs/Project/lib/python3.6/site-packages/django/core/handlers/base.py", line 187, in _get_response
response = self.process_exception_by_middleware(e, request)
File "/srv/envs/Project/lib/python3.6/site-packages/django/core/handlers/base.py", line 185, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/srv/envs/Project/lib/python3.6/site-packages/django/views/generic/base.py", line 68, in view
return self.dispatch(request, *args, **kwargs)
File "/srv/envs/Project/lib/python3.6/site-packages/django/views/generic/base.py", line 88, in dispatch
return handler(request, *args, **kwargs)
File "/home/nurzhan/CA/article/views.py", line 106, in get
request=request
File "/srv/envs/Project/lib/python3.6/site-packages/django/template/loader.py", line 68, in render_to_string
return template.render(context, request)
File "/srv/envs/Project/lib/python3.6/site-packages/django/template/backends/django.py", line 68, in render
reraise(exc, self.backend)
File "/srv/envs/Project/lib/python3.6/site-packages/django/template/backends/django.py", line 89, in reraise
six.reraise(exc.__class__, new, sys.exc_info()[2])
File "/srv/envs/Project/lib/python3.6/site-packages/django/utils/six.py", line 685, in reraise
raise value.with_traceback(tb)
File "/srv/envs/Project/lib/python3.6/site-packages/django/template/backends/django.py", line 66, in render
return self.template.render(context)
File "/srv/envs/Project/lib/python3.6/site-packages/django/template/base.py", line 207, in render
return self._render(context)
File "/srv/envs/Project/lib/python3.6/site-packages/django/template/base.py", line 199, in _render
return self.nodelist.render(context)
File "/srv/envs/Project/lib/python3.6/site-packages/django/template/base.py", line 993, in render
bits.append(force_text(bit))
File "/srv/envs/Project/lib/python3.6/site-packages/django/utils/encoding.py", line 76, in force_text
s = six.text_type(s)
File "/srv/envs/Project/lib/python3.6/site-packages/django/utils/html.py", line 385, in <lambda>
klass.__str__ = lambda self: mark_safe(klass_str(self))
File "/srv/envs/Project/lib/python3.6/site-packages/django/forms/boundfield.py", line 41, in __str__
return self.as_widget()
File "/srv/envs/Project/lib/python3.6/site-packages/django/forms/boundfield.py", line 120, in as_widget
**kwargs
File "/srv/envs/Project/lib/python3.6/site-packages/django/forms/widgets.py", line 221, in render
return self._render(self.template_name, context, renderer)
File "/srv/envs/Project/lib/python3.6/site-packages/django/forms/widgets.py", line 226, in _render
return mark_safe(renderer.render(template_name, context))
File "/srv/envs/Project/lib/python3.6/site-packages/django/forms/renderers.py", line 31, in render
template = self.get_template(template_name)
File "/srv/envs/Project/lib/python3.6/site-packages/django/forms/renderers.py", line 37, in get_template
return self.engine.get_template(template_name)
File "/srv/envs/Project/lib/python3.6/site-packages/django/template/backends/django.py", line 41, in get_template
reraise(exc, self)
File "/srv/envs/Project/lib/python3.6/site-packages/django/template/backends/django.py", line 89, in reraise
six.reraise(exc.__class__, new, sys.exc_info()[2])
File "/srv/envs/kaseAdmPy362/lib/python3.6/site-packages/django/utils/six.py", line 685, in reraise
raise value.with_traceback(tb)
File "/srv/envs/kaseAdmPy362/lib/python3.6/site-packages/django/template/backends/django.py", line 39, in get_template
return Template(self.engine.get_template(template_name), self)
File "/srv/envs/kaseAdmPy362/lib/python3.6/site-packages/django/template/engine.py", line 162, in get_template
template, origin = self.find_template(template_name)
File "/srv/envs/kaseAdmPy362/lib/python3.6/site-packages/django/template/engine.py", line 148, in find_template
raise TemplateDoesNotExist(name, tried=tried)
django.template.exceptions.TemplateDoesNotExist: custom_clearable_file_input.html
[24/Aug/2017 11:02:30] "GET /administration/article/47/edit/ HTTP/1.1" 500