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我如何获得平均评分?Django过滤器AVG - 评分
型号:
class Review(models.Model):
vendor = models.ForeignKey(Vendor)
product = models.ForeignKey(Product ,blank=True, null=True)
headline = models.CharField(max_length=100)
review = models.TextField(blank=True, null=True)
rating = models.IntegerField()
active = models.BooleanField(default=1)
created = models.DateTimeField(auto_now_add=True)
changed = models.DateTimeField(auto_now=True)
我尝试..
等级= Review.objects.filter(供应商=供应商).annotate(AVG( '评级'))
模板:
{{rating.rating__avg}}