摘要：
class MyModel(models.Model): foo = models.BooleanField() # Wrong! Don't do this! def clean_fields(self, exclude=None): # 指定某些字段排除验证 # Bah! Forgetting 阅读全文
摘要：
models.py class Child(models.Model): name = models.CharField(max_length=200) last_name = models.CharField(max_length=200) grade = models.CharField(max 阅读全文