From a5bbda30b568e9d72679da762166c40c9508b414 Mon Sep 17 00:00:00 2001
From: zjh <1084500556@qq.com>
Date: 星期二, 11 二月 2025 16:24:42 +0800
Subject: [PATCH] zjh20250211

---
 ltkj-common/src/main/java/com/ltkj/common/utils/IdUtils.java |   70 +++++++++++++++++++++++++++++++++++
 1 files changed, 70 insertions(+), 0 deletions(-)

diff --git a/ltkj-common/src/main/java/com/ltkj/common/utils/IdUtils.java b/ltkj-common/src/main/java/com/ltkj/common/utils/IdUtils.java
index 1936ff9..71bb04c 100644
--- a/ltkj-common/src/main/java/com/ltkj/common/utils/IdUtils.java
+++ b/ltkj-common/src/main/java/com/ltkj/common/utils/IdUtils.java
@@ -1,11 +1,13 @@
 package com.ltkj.common.utils;
 
+import cn.hutool.core.util.StrUtil;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.stereotype.Component;
 
 import java.text.SimpleDateFormat;
 import java.util.Date;
+import java.util.Random;
 
 /**
  * @Company: 瑗垮畨璺嘲绉戞妧鏈夐檺鍏徃
@@ -16,7 +18,11 @@
 public class IdUtils {
 
     private static final String LIS_LAST_ID_KEY = "id:generate:lis:id";
+    private static final String TJH_LAST_ID_KEY = "id:generate:tjhs:tjh";
+    private static final String LIS_LAST_ID_INCR_KEY = "id:generate:lis:id:incr";
     private static final String LIS_CURRENT_DATE_KEY = "id:generate:lis:currentDate";
+
+//    private static final UidGenerator uidGenerator = new DefaultUidGenerator();  // 浣跨敤榛樿鐨凷nowflake鐢熸垚鍣�
 
     @Autowired
     private StringRedisTemplate stringRedisTemplate;
@@ -38,4 +44,68 @@
         return String.format(prefix+"%s%05d", yyMMdd, lastId);
     }
 
+    /**
+     * 鐢熸垚鏃犻檺閫掑鏉$爜鍙�
+     * @param prefix
+     * @return
+     */
+    public synchronized String generateLisNextId(String prefix){
+        String lastIdStr = stringRedisTemplate.opsForValue().get(LIS_LAST_ID_INCR_KEY);
+        int current;
+        if (StrUtil.isBlank(lastIdStr)) {
+            current = 1;
+        }else {
+            current = Integer.parseInt(lastIdStr);
+        }
+        int numberLength = String.valueOf(99999).length();
+        String result = prefix + String.format("%0" + numberLength + "d", current);
+        current++;
+        stringRedisTemplate.opsForValue().set(LIS_LAST_ID_INCR_KEY,String.valueOf(current));
+        return result;
+    }
+
+
+    //鐢熸垚浣撴鍙风敤
+    private static long lastTimestamp = -1;
+    private static final Random random = new Random();
+
+//    public static synchronized String getTjNumber() {
+//        long timestamp = System.currentTimeMillis();  // 鑾峰彇褰撳墠鏃堕棿鎴筹紙姣锛�
+//
+//        // 濡傛灉鏃堕棿鎴冲拰涓婃鐢熸垚鐨勬椂闂存埑鐩稿悓锛岀敓鎴愪竴涓柊鐨勯殢鏈烘暟
+//        if (timestamp == lastTimestamp) {
+//            return String.format("%09d", (timestamp % 1000000000) + random.nextInt(900) + 100);
+//        } else {
+//            lastTimestamp = timestamp;  // 鏇存柊鏈�鍚庣敓鎴愭椂闂存埑
+//            return String.format("%09d", (timestamp % 1000000000) + random.nextInt(900) + 100);
+//        }
+//    }
+
+
+    public  synchronized String getTjNumber() {
+        String currentDate = new SimpleDateFormat("yyyyMMdd").format(new Date());
+        String storedDate = stringRedisTemplate.opsForValue().get(LIS_CURRENT_DATE_KEY);
+        String lastIdStr = stringRedisTemplate.opsForValue().get(TJH_LAST_ID_KEY);
+        if (StrUtil.isBlank(lastIdStr))lastIdStr = "0";
+        int lastId;
+        if (storedDate == null || !storedDate.equals(currentDate)) {
+            lastId = 1;
+            stringRedisTemplate.opsForValue().set(TJH_LAST_ID_KEY, String.valueOf(lastId));
+            stringRedisTemplate.opsForValue().set(LIS_CURRENT_DATE_KEY, currentDate);
+        } else {
+            lastId = Integer.parseInt(lastIdStr) + 1;
+            stringRedisTemplate.opsForValue().set(TJH_LAST_ID_KEY, String.valueOf(lastId));
+        }
+        String yyMMdd = currentDate.substring(2);
+        return String.format("%s%05d", yyMMdd, lastId);
+    }
+
+
+//    浣跨敤鍒嗗竷寮廔D鐢熸垚鍣紙濡係nowflake锛�
+    public static String generateExamNumber() {
+//        long id = uidGenerator.getUID();  // 鑾峰彇鐢熸垚鐨勫敮涓�ID
+//        return String.format("%09d", Math.abs(id) % 1000000000);  // 鏍煎紡鍖栦负9浣�
+        return null;
+    }
+
 }

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