From 589f03a1039a0f07756ec8f9dbd577f061ad452d Mon Sep 17 00:00:00 2001
From: wangliwen <wangliwen@hisense.com>
Date: Thu, 14 Jul 2022 09:35:59 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BD=BF=E7=94=A8=E5=8D=95=E4=BE=8B=E6=9E=9A?=
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 =?UTF-8?q?=E5=85=B7=E7=B1=BB=E4=B8=BA=E5=85=A8=E5=B1=80=E5=8D=95=E4=BE=8B?=
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---
 .../common/utils/CodeGenerationUtils.java     | 21 ++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/renren-admin/src/main/java/io/renren/common/utils/CodeGenerationUtils.java b/renren-admin/src/main/java/io/renren/common/utils/CodeGenerationUtils.java
index d6a8c9a4..aaaa9137 100644
--- a/renren-admin/src/main/java/io/renren/common/utils/CodeGenerationUtils.java
+++ b/renren-admin/src/main/java/io/renren/common/utils/CodeGenerationUtils.java
@@ -25,6 +25,23 @@ public class CodeGenerationUtils {
     }
 
 
+    /**
+     * 使用单例枚举保证全局单例
+     */
+    enum CodeGenerationUtilsEnum {
+        INSTANCE;
+        private CodeGenerationUtils codeGenerationUtils;
+
+        CodeGenerationUtilsEnum() {
+            codeGenerationUtils = new CodeGenerationUtils();
+        }
+
+        public CodeGenerationUtils getInstnce() {
+            return codeGenerationUtils;
+        }
+    }
+
+
     /**
      * 生成流程单号
      * <p>
@@ -89,9 +106,7 @@ public class CodeGenerationUtils {
 
     }
 
-    private static CodeGenerationUtils codeGenerationUtils = new CodeGenerationUtils();
-
     public static CodeGenerationUtils getInstance() {
-        return codeGenerationUtils;
+        return CodeGenerationUtilsEnum.INSTANCE.getInstnce();
     }
 }