package com.cy.report.utils; import java.util.UUID; public class ChannelKeyGenerator { public ChannelKeyGenerator() { } public 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; } //获得指定数量的UUID public static String[] getUUID(int number) { if (number < 1) { return null; } String[] ss = new String[number]; for (int i = 0; i < number; i++) { ss[i] = getUUID(); } return ss; } public static void main(String[] args) { // String[] ss = getUUID(10); // for (int i = 0; i < ss.length; i++) { // //System.out.println("ss["+i+"]====="+ss[i]); // } //System.out.println(getUUID()); } }