serializers serialization and deserialization

First, the development of the core separated front and rear ends: all comply with certain rules, the conversion to a data type to another data type
converting json call model serialization
would convert json model called deserialized

• Serialization: Object -> dictionary -> json

• Deserialization: json -> dictionary -> Object

Second, the role serializer

Especially: serializer provided DRF

1.进行数据的校验

2.对数据对象进行转换

3. reduce the code amount, to improve coding efficiency