django modelform

 一、

     1. python   view.py

class UserModelForm(forms.ModelForm):
    class Meta:
        model = models.UserInfo
        fields = ["name", "password",]
        # fields = "__all__"
form = UserModelForm()

  2 . html

      {{form.name}}      普通的input框
     {{form.password}}  普通的input框

二、定义插件

1.

class UserModelForm(forms.ModelForm):
    class Meta:
        model = models.UserInfo
        fields = ["name", "password",]
        widgets = {
            "name": forms.TextInput(attrs={"class": "form-control"}),
            "password": forms.PasswordInput(attrs={"class": "form-control"}),
            "age": forms.TextInput(attrs={"class": "form-control"}),
        }

  2.批量设置标签属性

     

class UserModelForm(forms.ModelForm):
    class Meta:
        model = models.UserInfo
        fields = ["name", "password", "age",]

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        
        # 循环ModelForm中的所有字段，给每个字段的插件设置
        for name, field in self.fields.items():
			field.widget.attrs = {
                "class": "form-control", 
                "placeholder": field.label
            }

  

class UserModelForm(forms.ModelForm):
    class Meta:
        model = models.UserInfo
        fields = ["name", "password", "age",]

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        
        # 循环ModelForm中的所有字段，给每个字段的插件设置
        for name, field in self.fields.items():
            # 字段中有属性，保留原来的属性，没有属性，才增加。
            if field.widget.attrs:
				field.widget.attrs["class"] = "form-control"
				field.widget.attrs["placeholder"] = field.label
            else:
                field.widget.attrs = {
                    "class": "form-control", 
                    "placeholder": field.label
                }

    3. 自定义类

       

class BootStrapModelForm(forms.ModelForm):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        # 循环ModelForm中的所有字段，给每个字段的插件设置
        for name, field in self.fields.items():
            # 字段中有属性，保留原来的属性，没有属性，才增加。
            if field.widget.attrs:
				field.widget.attrs["class"] = "form-control"
				field.widget.attrs["placeholder"] = field.label
            else:
                field.widget.attrs = {
                    "class": "form-control", 
                    "placeholder": field.label
                }

class UserEditModelForm(BootStrapModelForm):
    class Meta:
        model = models.UserInfo
        fields = ["name", "password", "age",]