我这个数组为什么计算不了长度？count()和sizeof()用不了;

Question

[{"tablename":"rr","tablecontent":[{"onlyID":"123456789987654321","operationTime":"2020-05-16 09:15:24","code":"123456","cs":"0"},{"onlyID":"123456789987654321","operationTime":"2020-05-16 09:15:25","code":"123456","cs":"0"},{"onlyID":"123456789987654321","operationTime":"2020-05-16 09:15:25","code":"123456","cs":"0"}]
},{"tablename":"ear_tag","tablecontent":[{"onlyID":"654321","level1":"19","level2":"20","level3":"24","del":"0","operationTime":"0000-00-00 00:00:00","addtime":"2020-05-19 17:03:34","makidoID":"2","earCode":"321","earID":"0","operatorID":"1","isMale":"0","isTwins":"0","tips":"0"},{"onlyID":"654321","level1":"19","level2":"20","level3":"24","del":"0","operationTime":"0000-00-00 00:00:00","addtime":"2020-05-19 17:03:34","makidoID":"2","earCode":"321","earID":"0","operatorID":"1","isMale":"0","isTwins":"0","tips":""},{"onlyID":"654321","level1":"19","level2":"20","level3":"24","del":"0","operationTime":"0000-00-00 00:00:00","addtime":"2020-05-19 17:03:34","makidoID":"2","earCode":"321","earID":"0","operatorID":"1","isMale":"0","isTwins":"0","tips":""}]}]

Answer 1

你这是json吧