List<Object> objList = new ArrayList<Object>(); List<MsgBO> list = service .getMsgBOList(); for (MsgBO smBO : list) { objList.add(smBO); } List<SmsBO> logs = service .getSmsBOList(); for (SmsBO log : logs) { objList.add(log); } // 排序 Collections.sort(objList, new Comparator<Object>() { @Override public int compare(Object o1, Object o2) { Date d1 = null, d2 = null; if (o1 instanceof MsgBO) { d1 = ((MsgBO) o1).getCreateTime(); } else if (o1 instanceof SmsBO) { d1 = ((SmsBO) o1).getCreateTime(); } if (o2 instanceof MsgBO) { d2 = ((MsgBO) o2).getCreateTime(); } else if (o2 instanceof SmsBO) { d2 = ((SmsBO) o2).getCreateTime(); } return d1.compareTo(d2); } }); 解析代码 for(Object data : objList ){ if (data instanceof MsgBO ) MsgBO msgBO = (MsgBO ) data; else SmsBO smsBO = (SmsBO) data; }
// 排序 Collections.sort(resultBos, new Comparator<Object>() { @Override public int compare(Object o1, Object o2) { Date d1 = null, d2 = null; d1 = ((MsgBO) o1).getTime(); d2 = ((MsgBO) o2).getTime(); return d1.compareTo(d2); } });