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")); +// } }