Django:如何制作带自定义模板的表单?

25 投票
4 回答
50511 浏览
提问于 2025-04-16 11:15

我有一个模型:

class Setting(models.Model):

    class Meta:
        abstract = True

    name = models.CharField(max_length=120, primary_key=True)
    description = models.CharField(max_length=300, blank=True)

class IntegerSetting(Setting):
    value = models.IntegerField()

我想创建一个看起来像这样的表单:

<form method="POST" action="">
     {% for model in models %}
     <label>{{model.name}}</label> <input value='{{model.value}}' />
     <p>{{model.description}}</p>
     {% endfor %}
</form>

我不太确定该怎么做。也许我需要使用一个表单集?

from django.forms.models import modelformset_factory
from apps.about.models import Setting, IntegerSetting

def site_settings(request):
    formset = modelformset_factory(IntegerSetting)()

    return render_to_response("about/admin/site-settings.html", {'formset': formset}, RequestContext(request, {}))

然后在模板中,我想把表单的显示方式改得和默认的不一样。不过,我不太清楚怎么去访问模型的属性。这是正确的方法吗?还是说我应该用其他方式来做?

更新:这是我现在正在做的。除了样式之外,它的显示效果正是我想要的。不过,我觉得这样做有点不太正规:

class SettingsForm(ModelForm):
    class Meta:
        model = IntegerSetting

    def as_table(self):
        bound_field = BoundField(self, self.fields['value'], 'value')
        return mark_safe("<tr><td><label>%s</label></td><td>%s\n<p class='help'>%s</p></td></tr>" % (self.instance.name,
                                                                       self.instance.description, 
                                                                       bound_field.__unicode__())) 

def edit_settings(request):
    forms = [SettingsForm(instance=intSetting) for intSetting in IntegerSetting.objects.all()]

    return render_to_response("admin/edit-settings.html", {'forms': forms}, RequestContext(request, {}))

edit-settings.html

{% extends "admin/base_site.html" %}
{% block title %}System Settings{% endblock %}

{% block content %}
    <form method="post" action="">
        <table>
        {% for form in forms %}
        {{form}}
        {% endfor %}
        </table>
    </form>
{% endblock %}

有没有更好的方法呢?

另外,我也不确定在提交表单时会不会遇到问题。

4 个回答

4

对于需要jbcurtin的答案中

版本的人:

<form method="post">{% csrf_token %}
  <table>
    {% for field in form %}
      <tr>
        <th>{{field.label_tag}}</th>
        <td>
          {{ field.errors }}
          {{ field }}
        </td>
      </tr>
    {% endfor %}
  </table>
  <hr/>
  <input type="submit" value="Conferma" />
</form>
10

我觉得在这里你不需要用到表单集。想要为一个视图创建自定义模板的话,可以看看这里。如果你想要自己创建一个 {{ form.as_foobar }},只需要继承 forms.Form,像这样:

class MyForm(forms.Form):
  def as_foobar(self):
    return self._html_output(
      normal_row = u'%(label)s %(field)s%(help_text)s',
      error_row = u'%s',
      row_ender = '',
      help_text_html = u' %s',
      errors_on_separate_row = False)

然后在你的 forms.py 文件中使用它:

class ContactForm(MyForm):
  # ..
22
<form action="/contact/" method="post">
    {% for field in form %}
        <div class="fieldWrapper">
            {{ field.errors }}
            {{ field.label_tag }}: {{ field }}
        </div>
    {% endfor %}
    <p><input type="submit" value="Send message" /></p>
</form>

你可以在这里找到完整的文档: http://docs.djangoproject.com/en/dev/topics/forms/#customizing-the-form-template

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