From a7b92e1331ba6ce8ef133e013c7aa642888ad108 Mon Sep 17 00:00:00 2001
From: wangsiyuan <2392948297@qq.com>
Date: Thu, 18 Jan 2024 21:20:26 +0800
Subject: [PATCH] =?UTF-8?q?=E5=88=9B=E5=BB=BA=20CartService.java?=
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---
 .../com/gao/finalhw/service/CartService.java    | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 src/main/java/com/gao/finalhw/service/CartService.java

diff --git a/src/main/java/com/gao/finalhw/service/CartService.java b/src/main/java/com/gao/finalhw/service/CartService.java
new file mode 100644
index 0000000..5c4ad6c
--- /dev/null
+++ b/src/main/java/com/gao/finalhw/service/CartService.java
@@ -0,0 +1,17 @@
+package com.gao.finalhw.service;
+
+import com.gao.finalhw.mapper.ShoppingCartMapper;
+import com.gao.finalhw.model.ShoppingCart;
+import org.apache.ibatis.annotations.Mapper;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class CartService {
+    @Autowired
+    ShoppingCartMapper shoppingCartMapper;
+    public int getCartCount(int id){
+        ShoppingCart result = shoppingCartMapper.selectById(id);
+        return  result.getCartId();
+    }
+}