Django REST framework is a powerful and flexible toolkit for building Web APIs.
Some reasons you might want to use REST framework:
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The Web browsable API is a huge usability win for your developers.
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Authentication policies including packages for OAuth1a and OAuth2.
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Serialization that supports both ORM and non-ORM data sources.
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Customizable all the way down – just use regular function-based views if you don’t need the more powerful features.
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Used and trusted by internationally recognised companies including Mozilla, Red Hat, Heroku, and Eventbrite.
之前虽然也用了Django REST framework 但是序列化函数基本都是自己写的，并没有用框架带的序列化函数。这次不想在搞的那么麻烦，于是使用Django REST framework带的序列化函数。
但是在序列化foreignkey的时候却发现只有id，其余的数据没有。
model定义：
class PlayerGoodsItem(models.Model):
create = models.DateTimeField(default=timezone.now, help_text='创建时间')
update = models.DateTimeField(auto_now=True, help_text='修改时间')
goods_item = models.ForeignKey(GoodsItem, related_name='goodsitem_playergoodsitem', help_text='商品信息',
on_delete=models.CASCADE)
序列化代码：
class PlayerGoodsItemSerializer(serializers.ModelSerializer):
class Meta:
model = PlayerGoodsItem
fields = "__all__"
，没看好文档。
