public static void main(String[] args) {
        System.out.println("abcdefg".split(":")[0]);
        String string = "{\"validateMessagesShowId\":\"_validatorMessage\",\"status\":true,\"httpstatus\":200,\"data\":{\"orderCacheDTO\":{\"requestId\":5833520282124486629,\"userId\":3500042946533,\"number\":0,\"tourFlag\":\"dc\",\"requestTime\":\"2014-01-27 18:46:56\",\"queueOffset\":10796108861,\"queueName\":\"75_ORDER_Q6_3\",\"trainDate\":\"2014-02-06 00:00:00\",\"startTime\":\"1970-01-01 22:34:00\",\"stationTrainCode\":\"K9017\",\"fromStationCode\":\"ZZQ\",\"fromStationName\":\"株洲\",\"toStationCode\":\"SZQ\",\"toStationName\":\"深圳\",\"status\":3,\"message\":{\"message\":\"没有足够的票!\",\"code\":\"0\"},\"modifyTime\":\"2014-01-27 18:46:58\",\"tickets\":[{\"seatTypeName\":\"硬座\",\"seatTypeCode\":\"1\",\"ticketTypeName\":\"成人票\",\"passengerName\":\"李朝\",\"passengerIdTypeName\":\"二代身份证\"}],\"waitTime\":-2,\"waitCount\":0,\"ticketCount\":1,\"startTimeString\":\"2014-02-06 22:34\",\"array_passser_name_page\":[\"李朝\"]},\"to_page\":\"cache\"},\"messages\":[],\"validateMessages\":{}}";
        Pattern pattern = Pattern.compile(Constant.MESSAGE_PATTER);
        
        Matcher matcher = pattern.matcher(string);
        if(matcher.find()){
          System.out.println(matcher.group());   
        }
    }