From 0208c795499b808c762edbb3d61432410692dd6e Mon Sep 17 00:00:00 2001
From: chenhj <chenhj@lunor.cn>
Date: 星期六, 24 五月 2025 14:50:15 +0800
Subject: [PATCH] Merge pull request 'chen' (#7) from chen into master

---
 ruoyi-common/src/main/java/com/ruoyi/common/core/text/CharsetKit.java |   86 +++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 86 insertions(+), 0 deletions(-)

diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/core/text/CharsetKit.java b/ruoyi-common/src/main/java/com/ruoyi/common/core/text/CharsetKit.java
new file mode 100644
index 0000000..84124aa
--- /dev/null
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/core/text/CharsetKit.java
@@ -0,0 +1,86 @@
+package com.ruoyi.common.core.text;
+
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+import com.ruoyi.common.utils.StringUtils;
+
+/**
+ * 瀛楃闆嗗伐鍏风被
+ * 
+ * @author ruoyi
+ */
+public class CharsetKit
+{
+    /** ISO-8859-1 */
+    public static final String ISO_8859_1 = "ISO-8859-1";
+    /** UTF-8 */
+    public static final String UTF_8 = "UTF-8";
+    /** GBK */
+    public static final String GBK = "GBK";
+
+    /** ISO-8859-1 */
+    public static final Charset CHARSET_ISO_8859_1 = Charset.forName(ISO_8859_1);
+    /** UTF-8 */
+    public static final Charset CHARSET_UTF_8 = Charset.forName(UTF_8);
+    /** GBK */
+    public static final Charset CHARSET_GBK = Charset.forName(GBK);
+
+    /**
+     * 杞崲涓篊harset瀵硅薄
+     * 
+     * @param charset 瀛楃闆嗭紝涓虹┖鍒欒繑鍥為粯璁ゅ瓧绗﹂泦
+     * @return Charset
+     */
+    public static Charset charset(String charset)
+    {
+        return StringUtils.isEmpty(charset) ? Charset.defaultCharset() : Charset.forName(charset);
+    }
+
+    /**
+     * 杞崲瀛楃涓茬殑瀛楃闆嗙紪鐮�
+     * 
+     * @param source 瀛楃涓�
+     * @param srcCharset 婧愬瓧绗﹂泦锛岄粯璁SO-8859-1
+     * @param destCharset 鐩爣瀛楃闆嗭紝榛樿UTF-8
+     * @return 杞崲鍚庣殑瀛楃闆�
+     */
+    public static String convert(String source, String srcCharset, String destCharset)
+    {
+        return convert(source, Charset.forName(srcCharset), Charset.forName(destCharset));
+    }
+
+    /**
+     * 杞崲瀛楃涓茬殑瀛楃闆嗙紪鐮�
+     * 
+     * @param source 瀛楃涓�
+     * @param srcCharset 婧愬瓧绗﹂泦锛岄粯璁SO-8859-1
+     * @param destCharset 鐩爣瀛楃闆嗭紝榛樿UTF-8
+     * @return 杞崲鍚庣殑瀛楃闆�
+     */
+    public static String convert(String source, Charset srcCharset, Charset destCharset)
+    {
+        if (null == srcCharset)
+        {
+            srcCharset = StandardCharsets.ISO_8859_1;
+        }
+
+        if (null == destCharset)
+        {
+            destCharset = StandardCharsets.UTF_8;
+        }
+
+        if (StringUtils.isEmpty(source) || srcCharset.equals(destCharset))
+        {
+            return source;
+        }
+        return new String(source.getBytes(srcCharset), destCharset);
+    }
+
+    /**
+     * @return 绯荤粺瀛楃闆嗙紪鐮�
+     */
+    public static String systemCharset()
+    {
+        return Charset.defaultCharset().name();
+    }
+}

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