【Java】生成32位随机字符编号

/** * 生成32位编码 * @return string */ public static String getUUID(){ String uuid = UUID.randomUUID().toString().trim().replaceAll("-", ""); return uuid; }…

java生成32位UUID,具体代码如下: package com.fxsen.uuid; import java.util.UUID; /** * Copyright: Copyright (c) 2019 ITfxsen * @Description: 生成32位UUID * @ClassName: UuidTest.java * @author: ITfxsen * @date: 2019年10月16日下午12:52:18 * @version: v1.0.0 */ public cla…

Java生成8位随机邀请码,不重复

public static String[] chars = new String[] { "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n",…

UUID 生成32位随机串

java通过jdk自带的UUID,生成32位的随机串 private static String generate_UUID() { UUID uuid=UUID.randomUUID(); String str = uuid.toString(); System.out.println("str: " + str); // bb01a3cd-987f-469d-9e0f-04dffa2d3278 return str.replace("-", "&quo…

excel中生成32位随机id

记录下如何在EXCEL中利用公式生成32位的随机id(无符号,只有数字和小写字母). ,,)),),"",DEC2HEX(RANDBETWEEN(,,)),),"","",DEC2HEX(RANDBETWEEN(,,)),),"",DEC2HEX(RANDBETWEEN(,)),DEC2HEX(RANDBETWEEN(,,)),),"",DEC2HEX(RANDBETWEEN(,,)),),DEC2HEX(…

java生成6位随机数字

//生成6位随机数字 System.out.println((int)((Math.random()*9+1)*100000)); //生成5位随机数字 System.out.println((int)((Math.random()*9+1)*10000)); //生成4位随机数字 System.out.println((int)((Math.random()*9+1)*1000)); //生成3位随机数字 System.out.println((int)((Math.random()*9+1)…

php 生成32位随机字符串用于支付验证用户注册

//32位随机字符串 function randstrpay($length=32) { $rand=''; $randstr= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'; $max = strlen($randstr)-1; mt_srand((double)microtime()*1000000); for($i=0;$i<$length;$i++) { $rand.=$randstr[mt_rand(0,$max)]; } return $rand; }…