SrpingMVC/SpringBoot中restful接口序列化json的时候使用Jackson将空字段，空字符串不传递给前端
笔者的JSON如下：{"code":10001,"message":"成功","nextUrl":null,"data":{"updateTime":"2020-02-2313:43:18","result":[{"confirm":24,"suspect":0,"dead":0,"heal":17,"weight":...
