java - 使用fastjson对HashMap进行序列化错误

Question

项目中使用fastjson对HashMap进行序列化和反序列化

//这个正常进行序列化和反序列化
HashMap<String, Integer> tempMap1 = new HashMap<String, Integer>();

//这个反序列化后数据丢失  
HashMap<String, HashMap<String, Integer>> tempMap2 = new HashMap<>();

Answer 1

Please complete the question

1. How to serialize and deserialize

2. What data was lost