生成十位随机数

private synchronized static String createTransactionSuffix() {// 先加1再取值long i = atomicLong.incrementAndGet();System.out.println(i);if (i > 9999999999L) {// 当大于 9999999999L// 重新开始atomicLong = new AtomicLong();// 先加1再取值i = atomicLong.incrementAndGet();}return String.format(String.format("%010d", i));}