fromdjango.formsimportmodels as form_model fromdjango.core.exceptionsimportValidationError fromdjango.core.validatorsimportRegexValidator classFInfo(forms.Form): authors=form_model.ModelMultipleChoiceField(queryset=models.NNewType.objects.all()) # authors = form_model.ModelChoiceField(queryset=models.NNew...
from django import forms # 首先需导入forms包 class FM(forms.Form): #建立一个验证类 user = forms.CharField(error_messages={'required': '用户名不能为空'}) #自定制的中文错误返回 pwd = forms.CharField( max_length='12', min_length='8', error_messages={'required': '密码不能为空', 'ma...
thappens特别是如果您使用Django CookieCutter初始化了Django项目。在您的Django项目设置中敏锐地查看您是否具有此配置 "django.db.utils.OperationalError: no such table: django-site-id-seq" 反应或对此发表评论,它可以正常工作。这发生在我身上,在这样做之后,迁移运行还不错。您可以阅读更多信息 0投票 最新...
from django.db import modelsclass Person(models.Model): name = models.CharField(max_length=128) def __str__(self): return self.nameclass Group(models.Model): name = models.CharField(max_length=128) members = models.ManyToManyField(Person, through='Membership'...