Question

我在模型中添加“unicode(>)”方法,但在显示所有物体在互动中不发挥作用时。

import datetime
from django.db import models
from django.utils import timezone

class Poll(models.Model):
    question = models.CharField(max_length=200)
    pub_date = models.DateTimeField( date published )
    def _unicode_(self):
        return self.question
    def was_published_recently(self):
        return self.pub_date >= timezone.now() - datetime.timedelta(days=1)

class Choice(models.Model):
    poll = models.ForeignKey(Poll)
    choice = models.CharField(max_length=200)
    votes = models.IntegerField()
    def _unicode_(self):
        return self.choice
# Create your models here.

(InteractiveConsole

>>> from polls.models import Poll, Choice
>>> Poll.objects.all()
[<Poll: Poll object>]

Answer 1

The django docs show you how to specify a unicode method in your model:
https://docs.djangoproject.com/en/dev/ref/models/instances/?from=olddocs#other-model-instance-methods

class Person(models.Model):
    first_name = models.CharField(max_length=50)
    last_name = models.CharField(max_length=50)

    def __unicode__(self):
        return u %s %s  % (self.first_name, self.last_name)

<>说明: 这些是DOUBLE强调的,在你的例子中,你只是使用单一强调。

http://docs.python.org/fer/datamodel.html#object.__unicode__"rel=“nofollow”

Answer 2

它们需要的名称是unicode__(两面强调)。这是对沙尔保留方法的粗略细节,从看看不出。

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