From 42b3216351368c3d9651dd697d9ea009c16a294a Mon Sep 17 00:00:00 2001
From: luogw <3132758203@qq.com>
Date: Sat, 28 Feb 2026 10:54:41 +0800
Subject: [PATCH] =?UTF-8?q?=E5=90=8D=E5=AD=97=E5=8A=A0=E5=AF=86=E8=A7=84?=
 =?UTF-8?q?=E5=88=99?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../com/project/ding/domain/dto/UserDTO.java  |  3 +-
 .../ding/utils/ChineseNameEncryptUtil.java    | 37 +++++++++++++++++++
 2 files changed, 39 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/com/project/ding/utils/ChineseNameEncryptUtil.java

diff --git a/src/main/java/com/project/ding/domain/dto/UserDTO.java b/src/main/java/com/project/ding/domain/dto/UserDTO.java
index d19e81f..41e61ba 100644
--- a/src/main/java/com/project/ding/domain/dto/UserDTO.java
+++ b/src/main/java/com/project/ding/domain/dto/UserDTO.java
@@ -4,6 +4,7 @@ import cn.hutool.core.bean.BeanUtil;
 import cn.hutool.core.util.DesensitizedUtil;
 import com.fasterxml.jackson.annotation.JsonFormat;
 import com.project.base.domain.dto.BaseDTO;
+import com.project.ding.utils.ChineseNameEncryptUtil;
 import lombok.Data;
 
 import java.util.Date;
@@ -74,7 +75,7 @@ public class UserDTO extends BaseDTO {
 
     public UserDTO desensitize() {
         this.mobile = DesensitizedUtil.mobilePhone(this.getMobile());
-        this.setName(DesensitizedUtil.chineseName(this.getName()));
+        this.setName(ChineseNameEncryptUtil.encryptChineseName(this.getName()));
         return this;
     }
 }
diff --git a/src/main/java/com/project/ding/utils/ChineseNameEncryptUtil.java b/src/main/java/com/project/ding/utils/ChineseNameEncryptUtil.java
new file mode 100644
index 0000000..195b80a
--- /dev/null
+++ b/src/main/java/com/project/ding/utils/ChineseNameEncryptUtil.java
@@ -0,0 +1,37 @@
+package com.project.ding.utils;
+
+/**
+ * 中文名字脱敏工具类
+ * 规则：
+ * 1. 二字名：第二个字替换为*（如：李*）
+ * 2. 三字名：中间字替换为*（如：李*华）
+ * 3. 四字名：中间两个字替换为*（如：李**明）
+ * 4. 其他长度：保留首尾，中间全部替换为*（如：李***强、*明）
+ */
+public class ChineseNameEncryptUtil {
+
+    /**
+     * 脱敏中文名字（优化版）
+     * @param chineseName 原始中文名字
+     * @return 脱敏后的名字，空值返回空字符串
+     */
+    public static String encryptChineseName(String chineseName) {
+        // 空值处理
+        if (chineseName == null || chineseName.isBlank()) {
+            return "";
+        }
+
+        // 去除首尾空格
+        String name = chineseName.trim();
+        int nameLength = name.length();
+
+        // 增强型 switch 表达式（JDK 14+ 支持，可简化为单行返回）
+        return switch (nameLength) {
+            case 1 -> name; // 单字名直接返回
+            case 2 -> name.charAt(0) + "*"; // 二字名：首字符 + *
+            case 3 -> name.charAt(0) + "*" + name.charAt(2); // 三字名：首 + * + 尾
+            case 4 -> name.charAt(0) + "**" + name.charAt(3); // 四字名：首 + ** + 尾
+            default -> name.charAt(0) + "*".repeat(nameLength - 2) + name.charAt(nameLength - 1);
+        };
+    }
+}
\ No newline at end of file