我现在需要在服务器上,获取一段数据,数据内容为:
([{"id":1,"tp":"6月","title":"aaaaa"},
{"id":2,"tp":"6月","title":"bbbbb"},
{"id":3,"tp":"6月","title":"ccccc"},
{"id":4,"tp":"6月","title":"ddddd"},
{"id":5,"tp":"7月","title":"eeeee"},
{"id":6,"tp":"7月","title":"fffff"},
{"id":7,"tp":"7月","title":"ggggg"},
{"id":8,"tp":"7月","title":"hhhhh"},
{"id":9,"tp":"8月","title":"iiiii"},
{"id":10,"tp":"8月","title":"jjjjj"}])
我想存在本地的时候,tp字段能去掉重复,比如我只存“6月”,“7月”,“8月”这三条数据,其他重复不要,该如何操作? |