class TestForm(forms.Form):   user = fields.CharField(         required=True,  # 是否必填         max_length=12,  # 最大长度         min_length=3,  # 最小长度         error_messages={  # 错误提示            'required':''         },         # widget = widgets.Textarea, # 定制html插件         # widget=widgets.Select,         label="用户名",         initial='请输入用户名',  # 默认值         show_hidden_initial=False,  # 是否在当前插件在家一个隐藏的且具有默认值的插件(可用于检验两次输入是否一致)         validators=[],  # 自定制验证规则(是否是手机号)         localize=False,  # 是否支持本地化         disabled=True,  # 是否可以编辑         label_suffix=":",

   )   age = fields.IntegerField(label="年龄",)   email = fields.EmailField(label="邮箱",)

当widget = widgets.Textarea 展示效果如下

当widget=widgets.Select展示效果如下

简单了解
1){{ obj.as_p }}
2)
<ul>{{ obj.as_ul }}
</ul>
3)
<table>
{{ obj.as_table}}
</table>

age = fields.IntegerField(label="年龄",max_value=12,min_value=5,error_messages={'max_value' : "太大了"})

 weight = fields.DecimalField(label = "体重",max_value=30,  # 最大值min_value=10,  # 最小值max_digits=5,  #总长度decimal_places=3,  #小数位的长度)

img = fields.FileField(label="上传文件")

novalidate enctype="multipart/form-data"

    city = fields.ChoiceField(label="城市",choices=[(1,"上海"),(2,"北京"),(3,"天津"),],initial = 2,)

hobby = fields.MultipleChoiceField(label="爱好",choices=[(1, "篮球"), (2, "足球"), (3, "乒乓球"), ],initial=[1, 2],  # 多选是列表)

city = fields.TypedChoiceField(coerce=lambda x: int(x),#转换类型label="城市",choices=[(1, "上海"), (2, "北京"), (3, "天津"), ],initial=2,  # 单选是单值)

widget = widgets.TextInput(attrs={'n':123}), #加自定义属性

from  django.utils.safestring import mark_safetxt =mark_safe("<input type = 'text/>")

只有select 有choice input什么的没有
xdb = fields.CharField(widget=widgets.Select(choices=[(1,"11"),(2,"22"),]))

也可以直接用ChoiceField

xdb = fields.ChoiceField( choices=[(1,"11"),(2,"22"),])

xdb = fileds.MultipleChoiceField(choices = [(1,"111"),(2,"222")]widget = widgets.SelectMultiple(attrs = {"class":"cl"})
)

  xdb = fields.CharField(# widget=widgets.Select(choices=[(1,"11"),(2,"22"),])widget=widgets.CheckboxInput())

  xdb = fields.MultipleChoiceField(initial=[2,],choices = [(1, "篮球"), (2, "足球"), (3, "乒乓球"), ],# widget=widgets.Select(choices=[(1,"11"),(2,"22"),])widget=widgets.CheckboxSelectMultiple())

  xdb = fields.ChoiceField(initial=[2,],choices = [(1, "篮球"), (2, "足球"), (3, "乒乓球"), ],# widget=widgets.Select(choices=[(1,"11"),(2,"22"),])widget=widgets.RadioSelect())