mysql中，数据库字段为时间戳转时间的处理方法

//上个界面传过来的时间，可能是一个时间段，可能是当天
String  startTime = ctr.getPara("startDate").replaceAll(" ","");
String  endTime = ctr.getPara("endDate").replaceAll(" ","");
if (StringUtils.notBlank(startTime) && StringUtils.notBlank(endTime)  ){
//线上
   onlineWhere +="       AND FROM_UNIXTIME( a.claim_time / 1000, \'%Y-%m-%d\' ) >= \'"+startTime+"\'  " +
"     AND FROM_UNIXTIME( a.claim_time / 1000, \'%Y-%m-%d\' ) <= \'"+endTime+"\'" ;
   //准入
   admittanceWhere +="       AND FROM_UNIXTIME( a.claim_time / 1000, \'%Y-%m-%d\' ) >= \'"+startTime+"\'   " +
"     AND FROM_UNIXTIME( a.claim_time / 1000, \'%Y-%m-%d\' ) <= \'"+endTime+"\' " ;
}else {
//线上
   onlineWhere += " and FROM_UNIXTIME(a.claim_time/1000,\'%Y-%m-%d\') = DATE_FORMAT(NOW(),\'%Y-%m-%d\')  " ;
   //准入
   admittanceWhere += " and FROM_UNIXTIME(a.claim_time/1000,\'%Y-%m-%d\') = DATE_FORMAT(NOW(),\'%Y-%m-%d\')  " ;
}