From dc3f9cc91759823ce59486f19b138be4b296a0f1 Mon Sep 17 00:00:00 2001
From: Junjie <fallin.jie@qq.com>
Date: 星期二, 28 四月 2026 09:43:28 +0800
Subject: [PATCH] #

---
 src/main/java/com/zy/asrs/service/impl/WrkLastnoServiceImpl.java |   45 +++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 45 insertions(+), 0 deletions(-)

diff --git a/src/main/java/com/zy/asrs/service/impl/WrkLastnoServiceImpl.java b/src/main/java/com/zy/asrs/service/impl/WrkLastnoServiceImpl.java
index 2a5a4a8..ad0fab2 100644
--- a/src/main/java/com/zy/asrs/service/impl/WrkLastnoServiceImpl.java
+++ b/src/main/java/com/zy/asrs/service/impl/WrkLastnoServiceImpl.java
@@ -1,12 +1,57 @@
 package com.zy.asrs.service.impl;
 
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.core.exception.CoolException;
 import com.zy.asrs.entity.WrkLastno;
+import com.zy.asrs.entity.WrkMast;
 import com.zy.asrs.mapper.WrkLastnoMapper;
 import com.zy.asrs.service.WrkLastnoService;
+import com.zy.asrs.service.WrkMastService;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 @Service("wrkLastnoService")
 public class WrkLastnoServiceImpl extends ServiceImpl<WrkLastnoMapper, WrkLastno> implements WrkLastnoService {
 
+    private final WrkMastService wrkMastService;
+
+    public WrkLastnoServiceImpl(WrkMastService wrkMastService) {
+        this.wrkMastService = wrkMastService;
+    }
+
+    @Override
+    public WrkLastno selectByWrkMkForUpdate(Integer wrkMk) {
+        return this.baseMapper.selectByWrkMkForUpdate(wrkMk);
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public int allocateNextWorkNo(Integer wrkMk) {
+        WrkLastno wrkLastno = this.baseMapper.selectByWrkMkForUpdate(wrkMk);
+        if (wrkLastno == null) {
+            throw new CoolException("鏁版嵁寮傚父锛岃鑱旂郴绠$悊鍛�");
+        }
+
+        Integer currentWrkNo = wrkLastno.getWrkNo();
+        Integer sNo = wrkLastno.getsNo();
+        Integer eNo = wrkLastno.geteNo();
+        if (currentWrkNo == null || sNo == null || eNo == null || sNo > eNo) {
+            throw new CoolException("宸ヤ綔鍙烽厤缃紓甯革紝璇疯仈绯荤鐞嗗憳");
+        }
+
+        int rangeSize = eNo - sNo + 1;
+        int candidate = currentWrkNo;
+        for (int i = 0; i < rangeSize; i++) {
+            candidate = candidate >= eNo ? sNo : candidate + 1;
+            WrkMast exists = wrkMastService.getOne(new QueryWrapper<WrkMast>().eq("wrk_no", candidate), false);
+            if (exists == null) {
+                wrkLastno.setWrkNo(candidate);
+                this.updateById(wrkLastno);
+                return candidate;
+            }
+        }
+
+        throw new CoolException("褰撳墠宸ヤ綔鍙峰彿娈靛凡婊★紝鏃犳硶鍒嗛厤鍙敤宸ヤ綔鍙�");
+    }
 }

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