package net.joystart.common.payment.wxpay.util; import java.util.UUID; public class NonceStringUtil { public synchronized static String getUUID() { UUID uuid = UUID.randomUUID(); String str = uuid.toString(); // 去掉"-"符号 String temp = str.substring(0, 8) + str.substring(9, 13) + str.substring(14, 18) + str.substring(19, 23) + str.substring(24); return temp; } public static void main(String[] args) { String uuid = NonceStringUtil.getUUID(); System.out.println(uuid); } }