From 0ac4ebea411ca9852fd5b382cf6b9fd65a302d95 Mon Sep 17 00:00:00 2001
From: 王佳豪 <g675230687@126.com>
Date: 星期三, 16 六月 2021 13:45:22 +0800
Subject: [PATCH] 解决erp连接不关闭查询异常问题
---
src/main/java/com/zy/common/service/erp/ErpSqlServer.java | 42 +++++++++++++++++++++++++++++++++---------
1 files changed, 33 insertions(+), 9 deletions(-)
diff --git a/src/main/java/com/zy/common/service/erp/ErpSqlServer.java b/src/main/java/com/zy/common/service/erp/ErpSqlServer.java
index 24b89da..2ebe41f 100644
--- a/src/main/java/com/zy/common/service/erp/ErpSqlServer.java
+++ b/src/main/java/com/zy/common/service/erp/ErpSqlServer.java
@@ -5,6 +5,10 @@
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
import java.sql.*;
import java.util.ArrayList;
import java.util.HashMap;
@@ -61,12 +65,14 @@
/********************************* 鏍稿績灞� *********************************/
/*****************************************************************************/
- private List<Map<String, Object>> executeQuery(String sql) {
+
+ private synchronized List<Map<String, Object>> executeQuery(String sql) {
try {
Connection conn = getConn();
pstm = conn.prepareStatement(sql);
rs = pstm.executeQuery();
- return convertList(rs);
+ List<Map<String, Object>> maps = convertList(rs);
+ return deepClone(maps);
} catch (Exception e) {
e.printStackTrace();
return null;
@@ -130,13 +136,31 @@
e.printStackTrace();
}
}
-// if (conn != null) {
-// try {
-// conn.close();
-// } catch (SQLException e) {
-// e.printStackTrace();
-// }
-// }
+ if (conn != null) {
+ try {
+ conn.close();
+ conn = null;
+ } catch (SQLException e) {
+ e.printStackTrace();
+ }
+ }
+ }
+
+ /**
+ * 娣辨嫹璐�
+ */
+ public ArrayList deepClone(List list) throws Exception {
+ // 搴忓垪鍖�
+ ByteArrayOutputStream bos = new ByteArrayOutputStream();
+ ObjectOutputStream oos = new ObjectOutputStream(bos);
+
+ oos.writeObject(list);
+
+ // 鍙嶅簭鍒楀寲
+ ByteArrayInputStream bis = new ByteArrayInputStream(bos.toByteArray());
+ ObjectInputStream ois = new ObjectInputStream(bis);
+
+ return (ArrayList) ois.readObject();
}
}
--
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