1.后端
from django import froms from django import forms from app import models class RegForm(forms.Form):username=forms.CharField(max_length=8,min_length=3,label='用戶名',error_messages={'max_length':'用戶名最長八位','min_length':'用戶名最短三位','required':'用戶名不能為空',},widget=forms.widgets.TextInput(attrs={'class':'form-control'}))password=forms.CharField(max_length=8,min_length=3,label="密碼",error_messages={'max_length':'密碼最長八位','min_length':'密碼最短三位','required':'密碼不能為空'},widget=forms.widgets.PasswordInput(attrs={'class':'form-control'}))confirm_password = forms.CharField(max_length=8, min_length=3, label="確認密碼",error_messages={'max_length': '密碼最長八位','min_length': '密碼最短三位','required': '密碼不能為空'}, widget=forms.widgets.PasswordInput(attrs={'class':'form-control'}))email=forms.EmailField(label='郵箱',error_messages={'lnvalid':'郵箱格式錯誤','required':'郵箱不能為空',},widget=forms.widgets.EmailInput(attrs={'class':'form-control'}))def clean_username(self):username=self.cleaned_data.get('username')user_obj=models.Userinfo.objects.filter(username=username).first()if user_obj:self.add_error('username','用戶名已存在')else:return usernamedef clean(self):password=self.cleaned_data.get('password')confir_password=self.cleaned_data.get('confirm_password')if not password == confir_password:self.add_error('confirm_password','兩次密碼不一致')else:return self.cleaned_data

　2　前端渲染

{% for foo in form_obj%}<div class="form-group"><label for="{{ foo.auto_id }}">{{ foo.label }}</label>{{ foo }}<span></span></div>{% endfor %}

　　

轉載于:https://www.cnblogs.com/xzcvblogs/p/11262171.html

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