我发现了一些问题,当我尝试在我的模型更新多个对象。这里是我的模型:Django的更新多个对象错误
class NumberSequence(models.Model):
code = models.CharField(max_length=12)
name = models.CharField(max_length=60)
prefix = models.CharField(max_length=3)
length = models.IntegerField()
last = models.IntegerField(verbose_name='Last Number Used')
def getNumberSequence():
ns = NumberSequence.objects.filter(code='REQ')
letter = ns[0].prefix
lastNumber = ns[0].last+1
l = '{0}-{1:0'+str(ns[0].length)+'d}'
for num in ns:
num.last = lastNumber
num.save()
return l.format(letter,lastNumber+1)
class Requisitions(models.Model):
number = models.CharField(max_length=20, default=getNumberSequence())
transDate = models.DateField(verbose_name='Date')
businessUnit = models.ForeignKey(BusinessUnit, verbose_name='Unit')
division = models.ForeignKey(Division, verbose_name='Division')
remarks = models.TextField
status = models.IntegerField(verbose_name='Status')
当我在申请中创建新记录时,表号序列不会更新。但如果我重新启动服务,数字序列表会自动更新。 发生了什么我的代码? 任何建议,请..
显示该呼叫的多个更新的代码,你只显示清晰度。 –