我正在使用jquery。我在ManyToMany
和ForeignKey
上添加了null=True
和blank=True
。但是为什么我在模板中的ManyToManyField
上会出现验证错误呢?我试图提交表格,但没有填写许多领域和外国人在管理键,它的工作,但没有在tempalte。你能帮忙吗?谢谢
许多错误-Enter a list of values.
型号
class Movie(models.Model):
title = models.CharField(max_length=100)
slug = models.SlugField(unique=True, max_length=100)
director = models.ManyToManyField(Director, null=True, blank=True)
writer = models.ManyToManyField(Writer, null=True, blank=True)
producer = models.ManyToManyField(Producer, null=True, blank=True)
starring = models.ManyToManyField(Starring, null=True, blank=True)
screenplay = models.ManyToManyField(Screenplay, null=True, blank=True)
editing = models.ForeignKey(Editing, null=True, blank=True)
music = models.ForeignKey(Music, null=True, blank=True)
studio = models.ForeignKey(Studio, null=True, blank=True)
image = models.CharField(max_length=200, null=True, blank=True)
电影形式
class MovieForm(ModelForm):
class Meta:
model = Movie
exclude = ('slug', 'image')
widgets = {
'director': Select(attrs={'multiple class': 'chzn-select'}),
'starring': Select(attrs={'multiple class': 'chzn-select'}),
'producer': Select(attrs={'class': 'chzn-select'}),
'writer': Select(attrs={'class': 'chzn-select'}),
'studio': Select(attrs={'class': 'chzn-select'}),
'editing': Select(attrs={'class': 'chzn-select'}),
'screenplay': Select(attrs={'class': 'chzn-select'}),
'music': Select(attrs={'class': 'chzn-select'}),
}
错误消息“Enter a list of values”意味着表单返回的值不是list或tuple的实例,我认为问题是您使用
Select
小部件,它返回单个值(“”如果为空),也许您应该使用SelectMultiple
:也可以在表单清理之前手动将值转换为list/tuple。你知道吗
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