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修复默认Locale为土耳其语时忽略大小写的Map及Month/Week/ColorUtil名称解析失效的问题 - #4348
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looly merged 1 commit intoOct 28, 2026
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土耳其语Locale下 "I".toLowerCase() 为无点的 "ı"，"i".toUpperCase() 为带点的 "İ"，
导致 CaseInsensitiveMap、Dict(true) 中 "ID" 与 "id" 不再视为同一个键，
Month.of("april")、Week.of("friday") 抛出 IllegalArgumentException，
ColorUtil.getColor("white") 返回 null。改为使用 Locale.ROOT 转换大小写。
Co-Authored-By: Claude Opus 5.5 <[email protected]>
This was referenced Nov 3, 2026
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说明
修改描述(包括说明bug修复或者添加新特性)
[bug修复] JVM 默认 Locale 为土耳其语（tr）时，
"I".toLowerCase()是无点的ı，"i".toUpperCase()是带点的İ，导致以下忽略大小写的逻辑失效：CaseInsensitiveMap/new Dict(true)：put("ID", v)后get("id")返回nullMonth.of("april")、Week.of("friday")：抛出IllegalArgumentException: No enum constant ...APRİLColorUtil.getColor("white")返回null（pink、light_gray同理）改为用
Locale.ROOT转换大小写。在CaseInsensitiveMapTest、DictTest、MonthTest、WeekTest中补充了用例，并新增ColorUtilTest，这些用例在修改前均失败。提交前自测
JDK 8（Temurin 1.8.0_504）下
mvn -pl hutool-core test新增用例全部通过；其余失败用例（时区 +08:00 假设、CSV 换行）在修改前的 v5-dev 上同样失败，与本次修改无关。I used Claude Code to write this change.