DRF This field may not be null, This field cannot be blank

目标

• 需要把原来的必填字段改为非必填

实现

• 先在models里面更新了字段, 加上null=True, default=None, blank=True

name = CharField(max_length=64, verbose_name='姓名', null=True, default=None, blank=True)
account = CharField(max_length=64, verbose_name='账号', null=True, default=None, blank=True)

• serializers更新

name = CharField(required=False)
account = CharField(required=False)

• 执行python manage.py makemigrations
• 执行python manage.py migrate

问题

• 出现这种情况

This field may not be null.

• 或者

This field cannot be blank.

解决

• 需要把serializers改成这样

name = CharField(required=False, allow_blank=True, allow_null=True)
account = CharField(required=False, allow_blank=True, allow_null=True)

allow_blank=True 解决 This field cannot be blank.
allow_null=True 解决 This field may not be null.