From a58a007809dd7d2dfd2152539aa2bd452f321660 Mon Sep 17 00:00:00 2001
From: lianlonggang <lianlonggang@qq.com>
Date: Thu, 22 Jan 2026 18:52:07 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E7=96=86=E7=9F=AD=E4=BF=A1=E5=86=85?=
 =?UTF-8?q?=E5=AE=B9=E4=B8=AD=E6=89=8B=E6=9C=BA=E5=8F=B7=E7=A0=81=E5=A4=84?=
 =?UTF-8?q?=E7=90=86=EF=BC=8C=E9=81=BF=E5=85=8D=E5=90=AB=E6=AD=A3=E5=B8=B8?=
 =?UTF-8?q?=E6=89=8B=E6=9C=BA=E5=8F=B7=E7=9A=84=E7=9F=AD=E4=BF=A1=E5=8F=91?=
 =?UTF-8?q?=E4=B8=8D=E5=87=BA=E5=8E=BB?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../java/org/jeecg/util/XjCommonUtil.java     | 29 ++++++++++++++-----
 1 file changed, 22 insertions(+), 7 deletions(-)

diff --git a/jeecg-boot-base-core/src/main/java/org/jeecg/util/XjCommonUtil.java b/jeecg-boot-base-core/src/main/java/org/jeecg/util/XjCommonUtil.java
index e944ac6..694c82a 100644
--- a/jeecg-boot-base-core/src/main/java/org/jeecg/util/XjCommonUtil.java
+++ b/jeecg-boot-base-core/src/main/java/org/jeecg/util/XjCommonUtil.java
@@ -11,17 +11,32 @@ public class XjCommonUtil {
      * @return {@link String }
      */
     public static String handleMobile(String mobile) {
-        if(StrUtil.isBlank(mobile)){
+        if (StrUtil.isBlank(mobile)) {
             return "";
         }
-        // 判空或长度不足3位，直接返回原值
-        if (mobile.length() < 3) {
+
+        // 如果长度 <= 4，无需分割
+        if (mobile.length() <= 4) {
             return mobile;
         }
-        return mobile.substring(0, 3) + "_" + mobile.substring(3);
+
+        StringBuilder result = new StringBuilder();
+        int len = mobile.length();
+
+        // 从后往前，每4位处理一次
+        for (int i = len; i > 0; i -= 4) {
+            int start = Math.max(0, i - 4);
+            String segment = mobile.substring(start, i);
+            if (result.length() > 0) {
+                result.insert(0, "～");
+            }
+            result.insert(0, segment);
+        }
+
+        return result.toString();
     }
 
-    public static void main(String[] args) {
-        System.out.println(handleMobile("13812345678"));
-    }
+//    public static void main(String[] args) {
+//        System.out.println(handleMobile("13812345678"));
+//    }
 }