From 03682382b79d64cccdbceb395bb93628bd9f1c31 Mon Sep 17 00:00:00 2001 From: heheng <heheng@123456> Date: 星期三, 22 一月 2025 14:25:07 +0800 Subject: [PATCH] 特种作业非煤缴费版本导入优化 --- ruoyi-common/src/main/java/com/ruoyi/common/utils/RandomUtil.java | 24 +++++++++++++++++++----- 1 files changed, 19 insertions(+), 5 deletions(-) diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/RandomUtil.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/RandomUtil.java index 1ef77b8..89ed10b 100644 --- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/RandomUtil.java +++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/RandomUtil.java @@ -1,25 +1,26 @@ package com.ruoyi.common.utils; +import java.text.SimpleDateFormat; +import java.util.Date; import java.util.Random; +import java.util.concurrent.atomic.AtomicInteger; public class RandomUtil { /** * 字符串池 */ - private static String[] STR_ARR = new String[] { "a", "b", "c", "d", "e", + private static String[] STR_ARR = new String[]{"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "1", "2", "3", "4", "5", - "6", "7", "8", "9", "0" }; + "6", "7", "8", "9", "0"}; /** - * * 根据指定的长度生成的含有大小写字母及数字的字符串 * - * @param length - * 指定的长度 + * @param length 指定的长度 * @return 按照指定的长度生成的含有大小写字母及数字的字符串 */ public static String generateRandomString(int length) { @@ -34,7 +35,20 @@ public static void main(String[] args) { String s = generateRandomString(26); System.out.println(s); + System.out.println(generateOrderNumber()); } + private static final AtomicInteger SEQUENCE = new AtomicInteger(0); + private static final int MAX_SEQUENCE = 99999;// 5位数的序列号 + private static final String ORDER_PER = "SN"; + + public static synchronized String generateOrderNumber() { + String datePart = new SimpleDateFormat("yyyyMMddhhmm").format(new Date()); + int sequencePart = SEQUENCE.getAndIncrement() % MAX_SEQUENCE; + String sequenceStr = String.format("%05d", sequencePart); // 保证序列号是5位数,不足的前面补0 + + return ORDER_PER + datePart + sequenceStr; + } + } -- Gitblit v1.9.2