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摘要： Django的多表查询 假设有模型 class Category(models.Model): id = models.CharField(primary_key = True,max_length = 255) type_name = models.CharField(max_length = 2 阅读全文

摘要： 构建基类表 class Base(models.Model): create_time = model.TimeField(auto_now_add=True) update_time = model.TimeField(auto_now=True) class Meta: # 告诉django这是 阅读全文