private static string GetAlarmJSON(string deviceID) { StringBuilder sb2 = new StringBuilder(); sb2.Append("["); AlarmOnline ao = new AlarmOnline(); IList<AlarmOnlineInfo> list = ao.QueryDeviceAlarm(deviceID); int j = 0; foreach (AlarmOnlineInfo info in list) { if (j != 0) { sb2.Append(","); } sb2.Append("[\"" + info.CONTENTCODE + "\"," + "\"" + info.FLOWTACHE + "\"," + "\"" + info.COLLECTTIME.ToString() + "\"]"); j++; } sb2.Append("]"); return sb2.ToString(); }