json多态序列化

https://blog.csdn.net/java_huashan/article/details/46428971

https://blog.csdn.net/bruce128/article/details/80298808

https://blog.csdn.net/sdyy321/article/details/40298081

原文地址:https://www.cnblogs.com/diyunpeng/p/10111787.html