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Merge pull request #4142 from ZhonglinGui/v5-dev

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修复FileNameUtil.extName 方法对特殊后缀判断逻辑过于宽松导致误判
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Golden Looly
2025-11-23 23:14:42 +08:00
committed by GitHub
parent 9dad6fc4d5 17f78f8cd4
commit c6cbaeabff
2 changed files with 9 additions and 1 deletions
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2
hutool-core/src/main/java/cn/hutool/core/io/file/FileNameUtil.java
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@@ -238,7 +238,7 @@ public class FileNameUtil {
// issue#I4W5FS@Gitee
final int secondToLastIndex = fileName.substring(0, index).lastIndexOf(StrUtil.DOT);
final String substr = fileName.substring(secondToLastIndex == -1 ? index : secondToLastIndex + 1);
if (StrUtil.containsAny(substr, SPECIAL_SUFFIX)) {
if (StrUtil.equalsAny(substr, SPECIAL_SUFFIX)) {
return substr;
}

8
hutool-core/src/test/java/cn/hutool/core/io/file/FileNameUtilTest.java
View File

@@ -19,4 +19,12 @@ public class FileNameUtilTest {
final String s = FileNameUtil.mainName("abc.tar.gz");
assertEquals("abc", s);
}
@Test
public void extNameAndMainNameBugTest() {
// 正确，输出前缀为 "app-v2.3.1-star"
assertEquals("app-v2.3.1-star",FileNameUtil.mainName("app-v2.3.1-star.gz"));
// 当前代码会失败，预期后缀结果 "gz"，但是输出 "star.gz"
assertEquals("gz", FileNameUtil.extName("app-v2.3.1-star.gz"));
}
}