From c7c4457deb0681036f17baed3b6838dfb408cd3f Mon Sep 17 00:00:00 2001
From: Looly <loolly@aliyun.com>
Date: Fri, 11 Apr 2025 19:15:42 +0800
Subject: [PATCH] =?UTF-8?q?`CharSequenceUtil`=E5=A2=9E=E5=8A=A0toLoweCase?=
 =?UTF-8?q?=E5=92=8CtoUpperCase=E6=96=B9=E6=B3=95=EF=BC=88issue#IC0H2B@Git?=
 =?UTF-8?q?ee=EF=BC=89?=
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Content-Transfer-Encoding: 8bit

---
 .../hutool/core/text/CharSequenceUtil.java    | 28 ++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/hutool-core/src/main/java/org/dromara/hutool/core/text/CharSequenceUtil.java b/hutool-core/src/main/java/org/dromara/hutool/core/text/CharSequenceUtil.java
index 2f5c8018a..6400b9f40 100644
--- a/hutool-core/src/main/java/org/dromara/hutool/core/text/CharSequenceUtil.java
+++ b/hutool-core/src/main/java/org/dromara/hutool/core/text/CharSequenceUtil.java
@@ -3673,13 +3673,26 @@ public class CharSequenceUtil extends StrValidator {
 	 * @since 5.8.38
 	 */
 	public static String toLoweCase(final CharSequence str) {
+		return toLoweCase(str, Locale.getDefault());
+	}
+
+	/**
+	 * 将字符串转为小写
+	 *
+	 * @param str 被转的字符串
+	 * @param locale Locale
+	 * @return 转换后的字符串
+	 * @see String#toLowerCase()
+	 * @since 6.0.0
+	 */
+	public static String toLoweCase(final CharSequence str, final Locale locale) {
 		if (null == str) {
 			return null;
 		}
 		if(0 == str.length()){
 			return EMPTY;
 		}
-		return str.toString().toLowerCase();
+		return str.toString().toLowerCase(locale);
 	}
 
 	/**
@@ -3691,6 +3704,19 @@ public class CharSequenceUtil extends StrValidator {
 	 * @since 5.8.38
 	 */
 	public static String toUpperCase(final CharSequence str) {
+		return toUpperCase(str, Locale.getDefault());
+	}
+
+	/**
+	 * 将字符串转为大写
+	 *
+	 * @param str 被转的字符串
+	 * @param locale Locale
+	 * @return 转换后的字符串
+	 * @see String#toUpperCase()
+	 * @since 6.0.0
+	 */
+	public static String toUpperCase(final CharSequence str, final Locale locale) {
 		if (null == str) {
 			return null;
 		}