From 9d25cb0ec78260a283b06fd96bc7b156f32cf9df Mon Sep 17 00:00:00 2001
From: Surpriseplus <845948745@qq.com>
Date: 星期五, 30 九月 2022 14:28:52 +0800
Subject: [PATCH] 1
---
src/main/java/com/lf/server/helper/StringHelper.java | 18 +++++++++++++-----
1 files changed, 13 insertions(+), 5 deletions(-)
diff --git a/src/main/java/com/lf/server/helper/StringHelper.java b/src/main/java/com/lf/server/helper/StringHelper.java
index 8509337..0eaed3e 100644
--- a/src/main/java/com/lf/server/helper/StringHelper.java
+++ b/src/main/java/com/lf/server/helper/StringHelper.java
@@ -81,13 +81,23 @@
}
/**
- * 瀛楃涓诧紝鏄惁涓虹┖
+ * 瀛楃涓诧紝鏄惁涓簄ull鎴�""
+ *
+ * @param str
+ * @return
+ */
+ public static boolean isNull(String str) {
+ return null == str || str.length() == 0;
+ }
+
+ /**
+ * 瀛楃涓�,鏄惁涓虹┖null鍜岀┖鏍�
*
* @param str
* @return
*/
public static boolean isEmpty(String str) {
- return null == str || str.length() == 0;
+ return str == null || "".equals(str.trim());
}
/**
@@ -97,8 +107,6 @@
* @return
*/
public static String capitalize(String str) {
- String f = str.charAt(0) + "";
-
- return f.toUpperCase() + str.substring(1);
+ return String.valueOf(str.charAt(0)).toUpperCase() + str.substring(1);
}
}
--
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