ItemModel m1 = new ItemModel(1488029396000l, 1488032996000l);//startTime 2017-02-25 21:29:56 ——endTime 2017-02-25 22:29:56
ItemModel m2 = new ItemModel(1487995200000l, 1487998800000l);//startTime 2017-02-25 12:00:00 ——endTime 2017-02-25 13:00:00
ItemModel m3 = new ItemModel(1487908800000l, 1487916000000l);//startTime 2017-02-24 12:00:00 ——endTime 2017-02-24 14:00:00
/*我想得出一个map,key是startTime对应的那天0点0分的时间戳,value是endTime-startTime的值除以1000(即总秒数)
- 即得出 {1487865600000=3600 ,1487952000000=7200}
- */
List itemModelList = new ArrayList();
itemModelList.add(m1);
itemModelList.add(m2);
itemModelList.add(m3);