From ff487c3fb657217ff0f14982c9f71b0e62690e4f Mon Sep 17 00:00:00 2001
From: Kane Wang <wangkane@qq.com>
Date: Thu, 27 Jul 2023 18:07:31 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=9D=E5=AD=98=E8=BF=9B=E5=BA=A6=EF=BC=81?=
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---
 .../cpic/xim/mybatis/utils/MybatisUtils.java  | 52 +++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 code/后端/desktop_archievement_backend/src/main/java/com/cpic/xim/mybatis/utils/MybatisUtils.java

diff --git a/code/后端/desktop_archievement_backend/src/main/java/com/cpic/xim/mybatis/utils/MybatisUtils.java b/code/后端/desktop_archievement_backend/src/main/java/com/cpic/xim/mybatis/utils/MybatisUtils.java
new file mode 100644
index 0000000..18866cc
--- /dev/null
+++ b/code/后端/desktop_archievement_backend/src/main/java/com/cpic/xim/mybatis/utils/MybatisUtils.java
@@ -0,0 +1,52 @@
+/*
+ * @Author: Kane
+ * @Date: 2023-07-27 17:22:55
+ * @LastEditors: Kane
+ * @FilePath: /desktop_archievement_backend/src/main/java/com/cpic/xim/mybatis/utils/MybatisUtils.java
+ * @Description: mybatis的工具集合
+ * 
+ * Copyright (c) ${2022} by Kane, All Rights Reserved. 
+ */
+package com.cpic.xim.mybatis.utils;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.HashMap;
+import org.apache.ibatis.io.Resources;
+import org.apache.ibatis.session.SqlSession;
+import org.apache.ibatis.session.SqlSessionFactory;
+import org.apache.ibatis.session.SqlSessionFactoryBuilder;
+
+public class MybatisUtils
+{
+    private static HashMap<String, SqlSession> SessionMap = new HashMap<>();
+    
+    /**
+     * 
+     * @param configFile
+     * @return
+     * @throws IOException
+     */
+    public static SqlSession getSqlSession(String configFile )
+    throws IOException
+    {
+        // 根据配置文件的路径，查找是否已经创建了对应的session
+        SqlSession session = SessionMap.get(configFile);
+
+        // 找到就直接返回
+        if ( session != null )
+        {
+            return session;
+        }
+
+        // 没找到就创建一个
+        InputStream configIS = Resources.getResourceAsStream(configFile);
+        SqlSessionFactory factory = new SqlSessionFactoryBuilder().build(configIS);
+        session = factory.openSession();
+
+        // 保存
+        SessionMap.put(configFile, session);
+
+        return session;
+    }    
+}
\ No newline at end of file