/**

     * 生成19位long型唯一数字id

     * @return

     */

    public static long GetLong19UUID() {

        //  String nanoRandom = System.nanoTime() + "" + random.nextInt(99999);

        SimpleDateFormat sdf =new SimpleDateFormat("YYMMdd");

        String dayTime=sdf.format(new Date());

        int hashcode= UUID.randomUUID().toString().hashCode();

        if(hashcode<0)

        {

            hashcode=-hashcode;

        }

        int i = (int)(Math.random()*900 + 100);

        String value = dayTime+String.format("%010d",hashcode)+ i;

        long l = Long.parseLong(value);

        return l;

    }