假设我有一张表格
class SampleClass(forms.Form):
name = forms.CharField(max_length=30)
age = forms.IntegerField()
django_hacker = forms.BooleanField(required=False)
是否有一种方法为我定义css类在每个字段,这样我就可以使用jQuery基于类在我渲染的页面?
我希望不必手动构建表单。
假设我有一张表格
class SampleClass(forms.Form):
name = forms.CharField(max_length=30)
age = forms.IntegerField()
django_hacker = forms.BooleanField(required=False)
是否有一种方法为我定义css类在每个字段,这样我就可以使用jQuery基于类在我渲染的页面?
我希望不必手动构建表单。
当前回答
只需将类添加到表单,如下所示。
class UserLoginForm(forms.Form):
username = forms.CharField(widget=forms.TextInput(
attrs={
'class':'form-control',
'placeholder':'Username'
}
))
password = forms.CharField(widget=forms.PasswordInput(
attrs={
'class':'form-control',
'placeholder':'Password'
}
))
其他回答
扩展docs.djangoproject.com中指出的方法:
class MyForm(forms.Form):
comment = forms.CharField(
widget=forms.TextInput(attrs={'size':'40'}))
我认为必须知道每个字段的本机小部件类型很麻烦,而且为了在表单字段上放一个类名而重写默认值也很有趣。这似乎对我很管用:
class MyForm(forms.Form):
#This instantiates the field w/ the default widget
comment = forms.CharField()
#We only override the part we care about
comment.widget.attrs['size'] = '40'
我觉得这样更干净了。
只需将类添加到表单,如下所示。
class UserLoginForm(forms.Form):
username = forms.CharField(widget=forms.TextInput(
attrs={
'class':'form-control',
'placeholder':'Username'
}
))
password = forms.CharField(widget=forms.PasswordInput(
attrs={
'class':'form-control',
'placeholder':'Password'
}
))
如果您希望表单中的所有字段都继承某个类,只需定义一个父类,从表单继承。ModelForm,然后继承它
class BaseForm(forms.ModelForm):
def __init__(self, *args, **kwargs):
super(BaseForm, self).__init__(*args, **kwargs)
for field_name, field in self.fields.items():
field.widget.attrs['class'] = 'someClass'
class WhateverForm(BaseForm):
class Meta:
model = SomeModel
这帮助我自动将“form-control”类添加到应用程序的所有表单上的所有字段,而不需要添加代码复制。
下面是上面的一个变种,它将给所有字段相同的类(例如jquery漂亮的圆角)。
# Simple way to assign css class to every field
def __init__(self, *args, **kwargs):
super(TranslatedPageForm, self).__init__(*args, **kwargs)
for myField in self.fields:
self.fields[myField].widget.attrs['class'] = 'ui-state-default ui-corner-all'
事实证明,你可以在表单构造函数(init函数)或在表单类初始化后这样做。这有时是必需的,如果你不是写自己的形式和形式是来自其他地方-
def some_view(request):
add_css_to_fields = ['list','of','fields']
if request.method == 'POST':
form = SomeForm(request.POST)
if form.is_valid():
return HttpResponseRedirect('/thanks/')
else:
form = SomeForm()
for key in form.fields.keys():
if key in add_css_to_fields:
field = form.fields[key]
css_addition = 'css_addition '
css = field.widget.attrs.get('class', '')
field.widget.attrs['class'] = css_addition + css_classes
return render(request, 'template_name.html', {'form': form})