From b0c345d2a74f47e5c34617051bcd61becde11b96 Mon Sep 17 00:00:00 2001
From: yaowanxin <3588231647@qq.com>
Date: 星期五, 15 八月 2025 14:09:59 +0800
Subject: [PATCH] 业务流程修改

---
 src/main/java/com/ruoyi/device/service/impl/DeviceLedgerServiceImpl.java |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/src/main/java/com/ruoyi/device/service/impl/DeviceLedgerServiceImpl.java b/src/main/java/com/ruoyi/device/service/impl/DeviceLedgerServiceImpl.java
index 913156c..0687aad 100644
--- a/src/main/java/com/ruoyi/device/service/impl/DeviceLedgerServiceImpl.java
+++ b/src/main/java/com/ruoyi/device/service/impl/DeviceLedgerServiceImpl.java
@@ -1,5 +1,6 @@
 package com.ruoyi.device.service.impl;
 
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
@@ -44,6 +45,11 @@
 
     @Override
     public AjaxResult saveDeviceLedger(DeviceLedger deviceLedger) {
+        LambdaQueryWrapper<DeviceLedger> deviceLedgerLambdaQueryWrapper = new LambdaQueryWrapper<>();
+        deviceLedgerLambdaQueryWrapper.eq(DeviceLedger::getDeviceModel,deviceLedger.getDeviceModel());
+        if (this.count(deviceLedgerLambdaQueryWrapper) > 0) {
+            return AjaxResult.error("璁惧鍨嬪彿宸插瓨鍦�");
+        }
         boolean save = this.save(deviceLedger);
         if (save){
             return AjaxResult.success();

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