将模型中所有DateField的日期与当前日期进行比较

if i have in my model

如果我有我的模特

class MyModel(models.model):
    field1 = models.ForignKey(AnotherModel)
    field2 = models.DateField(blank=True, null=True)
    field3 = models.DateField(blank=True, null=True)
    field4 = models.DateField(blank=True, null=True)
    field5 = models.DateField(blank=True, null=True)
    ...
    field10 = models.DateField(blank=True, null=True)
class MyMode