jzwxiaoniao@163.com

  • 内容:1、class Person(models.Model): first_name = models.CharField(max_length=50) last_name = models.CharField(max_length=50) **role = models.CharField(max_length=1, choices=(('A', _('Author')), ('E', _('Editor'))))** objects = models.Manager() authors = AuthorManager() editors = EditorManager() 2、class AuthorForm(ModelForm): class Meta: model = Author fields = ('name', 'title', 'birth_date') widgets = { 'name': Textarea(attrs={'cols': 80, 'rows': 20}), # 关键是这一行 } labels = { ** 'name': _('Author'),** } help_texts = { **'name': _('Some useful help text.'),** } error_messages = { 'name': { '**max_length': _("This writer's name is too long."),** }, } 博主你好,请问在数据模型和表单中的那些下划线都表什么意思,都是一样的意思吗?谢谢!!