官方文档
http://www.django-rest-framework.org/tutorial/1-serialization/
参考博客:
https://www.cnblogs.com/jay54520/p/6587480.html
https://segmentfault.com/a/1190000004399682
http://www.careeru.cn/blog/article/?id=85
http://www.chenxm.cc/post/292.html