如图,要取的值是process_time里的canceltime:YYYY-MM-DD 这部分的数据,该用什么语句?其中一条数据如下: {"planTime": "0001-01-01T00:00:00Z", "guideTime": "0001-01-01T00:00:00Z", "trackTime": "0001-01-01T00:00:00Z", "assignTime": "0001-01-01T00:00:00Z", "cancelTime": "2021-07-08T16:00:03.810821499+08:00", "createTime": "2021-07-08T15:49:04.841934103+08:00", "completeTime": "0001-01-01T00:00:00Z", "benchmarkTime": "0001-01-01T00:00:00Z"} |