required=True, 是否允许为空
widget=None, HTML插件
label=None,...ChoiceField(Field)
......choices=(), 选项,如:choices = ((0,'上海'),(1,'北京'),)
required=True, 是否必填...}}">{{ field.label }}
{{ field }}<span class="right_span" style="color:....')],
<em>required</em>=False,
),
)
super(PhoneField, self).