两种排序方法
private static void ListSort(LinkedList<McssLog> list) { Collections.sort(list,new Comparator<McssLog>() { @Override public int compare(McssLog log1, McssLog log2) { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS"); try { Date dt1 = format.parse(log1.getOp_time()); Date dt2 = format.parse(log2.getOp_time()); if (dt1.getTime() > dt2.getTime()) { return 1; } else if (dt1.getTime() < dt2.getTime()) { return -1; } else { return 0; } } catch (Exception e) { e.printStackTrace(); } return 0; } }); } } private static void ListSort(LinkedList<McssLog> list) throws Exception { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS"); McssLog mcssLog =null; for(int i=1; i<list.size();i++) { Date dt1 = format.parse(list.get(i).getOp_time()); Date dt2 = format.parse(list.get(i-1).getOp_time()); if(dt1.getTime()<dt2.getTime()) { int j; mcssLog=list.get(i); Date dt3 = format.parse(mcssLog.getOp_time()); list.set(i, list.get(i-1)); for( j=i-1;j>=0 && format.parse(list.get(j).getOp_time()).getTime()>dt3.getTime();j--) { list.set(j+1,list.get(j)); } list.set(j+1, mcssLog); } } }