生成16位卡号和激活码
作者：互联网
生成16位不重复数字,每四位"-"隔开
16位卡号
工具类(规则可自己修改生成)
package com.meditrusthealth.mth.equity.service.util;
import org.apache.commons.lang3.StringUtils;
import java.util.Random;
/**
* @description: 卡号生成工具
* @author: Jay
* @create: 2021-10-22 16:39
**/
public class CodeNumberUtil {
private static int i = 0;
public static final String NUMBERCHAR = "0123456789";
public static final String ENGILSHCHAR = "QWERTYUIOPASDFGHJKLZXCVBNM1234567890";
/**
* Description: 生成条码（卡号）
*/
public static String getCodeNumber(String prefix) {
if (!StringUtils.isEmpty(prefix)) {
//可以修改生成随机数的长度，生成想要的长度的条码
String num = generateNumString(6);
String st = prefix + num + getUnixTime();
return st + getCardCheckCode(st);
}
return "prefix不能为空";
}
/**
* 传入一个前缀和一个码。 【根据自己的业务定义】
* 卡号
*/
public static String getCodeNumber(String prefix, String code) {
if (!StringUtils.isEmpty(prefix) && !StringUtils.isEmpty(code)) {
String st = prefix + code + getUnixTime();
return st + getCardCheckCode(st);
}
return "prefix和code不能为空";
}
/**
* 校验条码是否正确
*/
public static boolean checkCode(String code) {
char bit = getCardCheckCode(code.substring(0, code.length() - 1));
if (bit == 'N') {
return false;
}
return code.charAt(code.length() - 1) == bit;
}
/**
* 从不含校验位的卡号采用 Luhm 校验算法获得校验位
*/
private static char getCardCheckCode(String nonCheckCodeCardNo) {
if (nonCheckCodeCardNo == null
|| nonCheckCodeCardNo.trim().length() == 0
|| !nonCheckCodeCardNo.matches("\\d+")) {
// 如果传的不是数据返回N
return 'N';
}
char[] chs = nonCheckCodeCardNo.trim().toCharArray();
int luhmSum = 0;
for (int i = chs.length - 1, j = 0; i >= 0; i--, j++) {
int k = chs[i] - '0';
if (j % 2 == 0) {
k *= 2;
k = k / 10 + k % 10;
}
luhmSum += k;
}
return (luhmSum % 10 == 0) ? '0' : (char) ((10 - luhmSum % 10) + '0');
}
/***
* 获取当前系统时间戳 并截取后8位
*/
private static String getUnixTime() {
try {
Thread.sleep(10);// 快速执行时，休眠10毫秒 防止号码重复
} catch (InterruptedException e) {
e.printStackTrace();
}
i++;
i = i > 100 ? i % 10 : i;
return ((System.currentTimeMillis() / 100) + "").substring(5)
+ (i % 10);
}
/**
* 生成一个定长的纯数字符串
*/
private static String generateNumString(int length) {
StringBuffer sb = new StringBuffer();
Random random = new Random();
for (int i = 0; i < length; i++) {
sb.append(NUMBERCHAR.charAt(random.nextInt(NUMBERCHAR.length())));
}
return sb.toString();
}
/*========================================================================================================*/
/*===============================================激活码====================================================*/
/*========================================================================================================*/
/**
* Description: 生成激活码（密码）
*/
public static String getCodeEnglish(String prefix) {
if (!StringUtils.isEmpty(prefix)) {
//可以修改生成随机数的长度，生成想要的长度的条码
String num = generateEngString(2);
String st = prefix + num + getUnixTime();
return st + getCardCheckCode(st);
}
return "prefix不能为空";
}
/**
* 传入一个前缀和一个码。 【根据自己的业务定义】
* 激活码
*/
public static String getCodeEnglish(String prefix, String code) {
if (!StringUtils.isEmpty(prefix) && !StringUtils.isEmpty(code)) {
String st = prefix + code + getUnixTime();
return st + getCardCheckCode(st);
}
return "prefix和code不能为空";
}
/**
* 生成一个定长混搭
*/
private static String generateEngString(int length) {
StringBuffer sb = new StringBuffer();
Random random = new Random();
for (int i = 0; i < length; i++) {
sb.append(ENGILSHCHAR.charAt(random.nextInt(ENGILSHCHAR.length())));
}
return sb.toString();
}
//测试卡号
// public static void main(String[] args) {
//
// try {
//
// for (int i = 0; i < 1; i++) {
// // 生成条码
// String code = getCodeNumber("99");
// System.out.println(code);
// // 检验条码
// System.out.println(checkCode(code));
// }
//
// } catch (Exception e) {
// e.printStackTrace();
// }
// }
//测试激活码
// public static void main(String[] args) {
// try {
// for (int i = 0; i < 1; i++) {
// // 生成条码
// String code = getCodeEnglish("MX","33");
// System.out.println(code);
// // 检验条码
// System.out.println(checkCode(code));
// }
// } catch (Exception e) {
// e.printStackTrace();
// }
// }
}
用例
/**
* 制作卡
*/
@Transactional
@Async
public EquityCardBatchnoResp makeCardAndActivation(EquityCardBatchnoReq equityCardBatchnoReq) throws CommonException {
/*创建人和创建时间*/
Date date = new Date();
//13位的时间戳
long time = date.getTime();
EquityCardBatchno equityCardBatchno = new EquityCardBatchno();
BeanUtils.copyProperties(equityCardBatchnoReq,equityCardBatchno);
equityCardBatchnoReq.setCreateTime(date);
EquityCardBatchnoDetail equityCardBatchnoDetail = new EquityCardBatchnoDetail();
equityCardBatchnoDetail.setBatchNo(String.valueOf(time));
//卡数
equityCardBatchno.setBacthCount(2000);
/*批量制卡*/
for (int i = 0; i < equityCardBatchno.getBacthCount(); i++) {
String cardId = CodeNumberUtil.getCodeNumber("99");
String activationCode = CodeNumberUtil.getCodeEnglish("MD");
/*卡片校验*/
boolean checkCode = CodeNumberUtil.checkCode(cardId);
if (checkCode) {
/*卡号和激活码*/
cardId=cardId.replaceAll("(.{4})","$1-");
cardId = cardId.substring(0, cardId.length() - 1);
equityCardBatchnoDetail.setCardNo(cardId);
equityCardBatchnoDetail.setActivationCode(activationCode);
int saveId = equityCardBatchnoDetailMapper.insert(equityCardBatchnoDetail);
if (saveId == 1) {
log.warn(
"{卡号:" + " " + cardId + "}" + " " + "保存成功" + "}" +
"{激活码:" + " " + activationCode + "}" + " " + "保存成功" + "}"
);
} else {
log.warn(
"{卡号:" + " " + cardId + "}" + " " + "保存失败" +
"{激活码:" + " " + activationCode + "}" + " " + "保存失败" + "}"
);
}
} else {
log.error(
"{卡号:" + " " + cardId + "}" + " " + "制卡失败,不符合编卡规则" + "}"
);
}
}
EquityCardBatchno cardBatchno = equityCardBatchnoMapper.selectById(equityCardBatchno.getId());
LambdaQueryWrapper<EquityCardBatchnoDetail> wrapper = new LambdaQueryWrapper<>();
wrapper.eq(EquityCardBatchnoDetail::getBatchNo,cardBatchno.getBatchNo());
List<EquityCardBatchnoDetail> list = equityCardBatchnoDetailMapper.selectList(wrapper);
EquityCardBatchnoResp resp = new EquityCardBatchnoResp();
BeanUtils.copyProperties(cardBatchno,resp);
resp.setEquityCardBatchnoDetailList(list);
log.warn(
"{本次制卡数量:" + " " + equityCardBatchnoReq.getBacthCount() + "}" + " "+"已完成}"
);
return resp;
}
卡号(16位数字，每4位之间用-隔开)
String cardId = CodeNumberUtil.getCodeNumber("99");
String activationCode = CodeNumberUtil.getCodeEnglish("MD");
/*卡号校验*/
boolean checkCode = CodeNumberUtil.checkCode(cardId);
/*卡号和激活码*/
//正则表达式,每四位加"-"
cardId=cardId.replaceAll("(.{4})","$1-");
//去除最后一个"-"
cardId = cardId.substring(0, cardId.length() - 1);
System.out.println(cardId);
激活码(12位数字+随机字母)
String activationCode = CodeNumberUtil.getCodeEnglish("MD");
标签：code,return,String,16,prefix,激活码,卡号,cardId 来源： https://blog.csdn.net/weixin_45883611/article/details/120993522