From b63eb86888f55bb0e89e0df11f37a514e5724ad6 Mon Sep 17 00:00:00 2001
From: zyy <zyy@email.com>
Date: Mon, 12 Jan 2026 17:25:04 +0800
Subject: [PATCH] 杠杆

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

diff --git a/src/main/java/com/nq/service/impl/StockDzServiceImpl.java b/src/main/java/com/nq/service/impl/StockDzServiceImpl.java
index f3070c8..3c8ce9d 100644
--- a/src/main/java/com/nq/service/impl/StockDzServiceImpl.java
+++ b/src/main/java/com/nq/service/impl/StockDzServiceImpl.java
@@ -68,6 +68,12 @@
             return ServerResponse.createByErrorMsg("参数不能为空");
         }
 
+        Long count = stockDzMapper.selectCount(new LambdaQueryWrapper<StockDz>()
+                .eq(StockDz::getStockCode,stockCode));
+        if(count > 0){
+            return ServerResponse.createByErrorMsg("股票代码已存在");
+        }
+
         QueryWrapper queryWrapper = new QueryWrapper();
         queryWrapper.eq("stock_code",stockCode);
 

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