1.根据需要创建classjson数据结构：{“name”:“张三”,“age”:20,“idCard”:“123456789”,“birthday”:“2021-01-0100:00:00”,“hobbys”:[{“sort”:1,“desc”":“写字”},{“sort”:2,“desc”:“游泳”}]}privateclassStudet{publicstringname{get;set;}publicintage{get;set;}publicstringidCard{get;set;}publicDateTimebirthday{get;set;}publicListhobbys{g