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在我的序列号(像id一样工作)中,正好有13个字符,这有一些属性吗? 实例:不3,我需要串行成为0000000000003.如何解决IntegerField或AutoField的长度?
class Entrada(models.Model):
user = models.ForeignKey(settings.AUTH_USER_MODEL, default=1)
medicamento = models.ForeignKey(Medicamento, verbose_name=_(u'Medicamento'))
serial = models.AutoField(_(u'Serial'), null=False, blank=False, unique=True, db_index=True, primary_key=True)
validade = models.DateField(_(u'Validade'), auto_now=False, auto_now_add=False)
lote = models.CharField(_(u'Lote do fabricante'), null=False, blank=False, max_length=20)
quantidade = models.PositiveIntegerField(_(u'Quantidade'), null=False)
mud = models.PositiveIntegerField(_(u'Menor unidade de dispensa'), null=False)
data_entrada = models.DateField(_(u'Data de entrada'), default=timezone.now())
值得指出的是AutoField可容纳的最大值是2147483647。 – Wilerson