From 70dcf4e610a0ec5fd6ca2c3daf9edf4957b30529 Mon Sep 17 00:00:00 2001
From: “djh” <“3298565835@qq.com”>
Date: 星期二, 25 二月 2025 16:34:46 +0800
Subject: [PATCH] 考试制证修改
---
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..bff1051 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(10L, "NC"));
}
+ private static final Random RANDOM = new Random();
+ 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 String generateOrderNumber(Long dataId, String orderType) {
+ String datePart = new SimpleDateFormat("yyyyMMddhhmm").format(new Date());
+ int randomPart = RANDOM.nextInt(90000) + 10000; // 生成5位随机数
+
+ return orderType + datePart + String.format("%05d", randomPart) + dataId;
+ }
+
}
--
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