本文共 1019 字,大约阅读时间需要 3 分钟。
table = POOL.getTable(ann_index);
rs = table.getScanner(scan); int resultSum = 0; for (Result res : rs) { List<KeyValue> list = res.list(); for (KeyValue kv : list) { if (resultSum == sum) {//因为每行有可能有多条数据,所以要手动过滤条数 break; } JSONObject obj = new JSONObject(); String[] key = new String(kv.getRow()).split(":"); obj.put("serviceId", key[0]); obj.put("timestamp", Long.parseLong(key[1])); obj.put("traceId", byteArray2Long(kv.getQualifier())); obj.put("exInfo", new String(kv.getValue())); array.add(obj); resultSum++; } } sortJsonArrayByDate(array,"timestamp");private void sortJsonArrayByDate(JSONArray array,String dateName){
List<JSONObject> list = new ArrayList<JSONObject> (); JSONObject jsonObj = null; for (int i = 0; i < array.size(); i++) { jsonObj = (JSONObject)array.get(i); list.add(jsonObj); } //排序操作 JsonComparator pComparator = new JsonComparator(dateName); Collections.sort(list, pComparator); //把数据放回去 array.clear(); for (int i = 0; i < list.size(); i++) { jsonObj = list.get(i); array.add(jsonObj); } }转载地址:http://ufnsi.baihongyu.com/