直接看代码
Mapmap = new HashMap<>(); Object object = new Object(); map.put("key1",object); //新建一个 ObjectMapper 对象 ObjectMapper objectMapper = new ObjectMapper(); User user = objectMapper.convertValue(map.get("key1"),User.class);

直接看代码
Mapmap = new HashMap<>(); Object object = new Object(); map.put("key1",object); //新建一个 ObjectMapper 对象 ObjectMapper objectMapper = new ObjectMapper(); User user = objectMapper.convertValue(map.get("key1"),User.class);