package com.ruoyi.shop.util;
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import com.ruoyi.common.core.utils.DateUtils;
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import java.security.SecureRandom;
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import java.util.Date;
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import java.util.Random;
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/**
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* @author jqs34
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* @ClassName CodeFactoryUtil
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* @description: TODO
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* @date 2023年02月13日
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* @version: 1.0
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*/
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public class CodeFactoryUtil {
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/**
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* APP用户编码
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*/
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private static final String APP_USER_PREFIX = "HRT_M";
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/**
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* 商户编号
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*/
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private static final String SHOP_PREFIX = "HRT_S";
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/**
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* 订单前缀
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*/
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private static final String ORDER_PREFIX = "BO";
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/**
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* 退款订单前缀
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*/
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private static final String ORDER_REFUND_PREFIX = "RO";
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/**
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* 用户id和随机数总长度
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*/
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private static final int MAX_LENGTH = 4;
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/**
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* 更具id进行加密+加随机数组成固定长度编码
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*/
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public static void main(String[] args) {
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Long orderId = 1L;
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String userNo = getShopNo(orderId);
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System.out.println(userNo);
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}
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/**
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* 获取商户编号
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*
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* @param shopId
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* @return
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*/
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public static String getShopNo(Long shopId) {
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String prefix = SHOP_PREFIX;
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return toFillZeroCode(prefix, MAX_LENGTH, shopId);
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}
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/**
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* 获取会员编号
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* @param userId
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* @return
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*/
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public static String getMemberNo(Long userId) {
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String prefix = APP_USER_PREFIX;
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return toFillZeroCode(prefix, MAX_LENGTH, userId);
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}
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/**
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* 获取订单编号
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*
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* @param userId
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* @return
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*/
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public static String getOrderNo(Long userId) {
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String prefix = DateUtils.parseDateToStr( "yyyyMMddHHmmss",new Date());
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prefix = ORDER_PREFIX + prefix;
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return toFillZeroCode(prefix, MAX_LENGTH, userId);
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}
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/**
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* 获取用户编号
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*
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* @param userId
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* @return
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*/
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public static String getAppUserNo(Long userId) {
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return toFillZeroCode(APP_USER_PREFIX, 9, userId);
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}
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/**
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* 0补位
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*
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* @param prefix
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* @param totalLength
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* @param id
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* @return
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*/
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private static String toFillZeroCode(String prefix, int totalLength, Long id) {
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String idStr = id.toString();
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int length = idStr.length();
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int fillLength = totalLength - length;
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StringBuilder idsbs = new StringBuilder(prefix);
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for (int i = 0; i < fillLength; i++) {
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idsbs.append("0");
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}
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return idsbs.append(idStr).toString();
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}
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/**
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* 随机6位数生成
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*/
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public static String getRandStr(int num) {
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// 默认6位
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num = num != 0 ? num : 6;
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Random r = new SecureRandom();
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StringBuffer str = new StringBuffer();
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int i = 0;
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while (i < num) {
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str.append(r.nextInt(10));
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i++;
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}
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return str.toString();
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}
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}
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