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update 优化灵活脱敏方法

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AprilWind 2025-12-18 17:30:32 +08:00
parent f20a0c4342
commit 0d87c12d3c
1 changed files with 5 additions and 13 deletions
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18
ruoyi-common/ruoyi-common-core/src/main/java/org/dromara/common/core/utils/DesensitizedUtils.java
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@ -34,21 +34,13 @@ public class DesensitizedUtils extends DesensitizedUtil {
return StrUtil.repeat('*', len);
}
// 可用长度 = 总长度 - 前后可见长度
int available = len - prefixVisible - suffixVisible;
// 中间掩码长度不能超过可用长度
int actualMaskLength = Math.min(maskLength, available);
// 剩余字符尽量显示在中间掩码旁
int remaining = available - actualMaskLength;
String middleChars = remaining > 0 ? value.substring(prefixVisible, prefixVisible + remaining) : "";
String middleMask = StrUtil.repeat('*', actualMaskLength);
String prefix = value.substring(0, prefixVisible);
String suffix = value.substring(len - suffixVisible);
return prefix + middleChars + middleMask + suffix;
// 中间可用于脱敏的最大长度
int middleLen = len - prefixVisible - suffixVisible;
// 实际掩码长度 至少脱敏 1 位
int actualMaskLen = Math.max(1, Math.min(maskLength, middleLen));
return prefix + StrUtil.repeat('*', actualMaskLen) + suffix;
}
}