From b1097dce55d857ae1ae63798911c1e7027c00de4 Mon Sep 17 00:00:00 2001
From: chenjiahe <763432473@qq.com>
Date: 星期五, 28 一月 2022 14:55:11 +0800
Subject: [PATCH] Mysql数据库AES加密工具

---
 src/main/java/com/hx/util/StringUtils.java |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/src/main/java/com/hx/util/StringUtils.java b/src/main/java/com/hx/util/StringUtils.java
index 0a43d73..78d4e36 100644
--- a/src/main/java/com/hx/util/StringUtils.java
+++ b/src/main/java/com/hx/util/StringUtils.java
@@ -228,6 +228,16 @@
         return null == str || str.trim().length() == 0 || "undefined".equals(str);
     }
 
+    /**鍒ゆ柇绌�*/
+    public static boolean isNull(String str) {
+        return null == str || str.trim().length() == 0 || "undefined".equals(str);
+    }
+
+    /**鍒ゆ柇闈炵┖*/
+    public static boolean noNull(String str) {
+        return null != str && str.trim().length() != 0 && !"undefined".equals(str);
+    }
+
     /**
      * 鍒ゆ柇瀛楃鍐呭涓槸鍚﹀瓨鍦ㄤ竴涓负绌虹殑瀛楃锟�?
      * <p>

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