private ObjectMapper objectMapper = new ObjectMapper(); //创建json entity 转换器
Entity entity = new Entity(); //实体类
entity = objectMapper.readValue( json, Entity .class); //json 转实体类
String
json =objectMapper.writeValueAsString(entity ); //实体类转 json
private ObjectMapper objectMapper = new ObjectMapper(); //创建json entity 转换器
Entity entity = new Entity(); //实体类
entity = objectMapper.readValue( json, Entity .class); //json 转实体类
String
json =objectMapper.writeValueAsString(entity ); //实体类转 json