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如何從模型中獲取特定列在Django(SELECT城市FROM廣告)以及如何顯示全市僅重複一次,(我有倫敦X3)如何從Django的模型中獲取特定的列?
我的模型:
class Advert(models.Model):
title = models.CharField(max_length=255)
company = models.CharField(max_length=255)
city = models.CharField(max_length=255)
https://docs.djangoproject.com/en/1.4/topics/db/queries/ – rantanplan