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修复HexUtil.isHexNumber()对"-"的判断问题

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This commit is contained in:
Looly 2023-01-15 11:01:28 +08:00
parent 09a2dc3807
commit a0cba2fd55
3 changed files with 11 additions and 2 deletions
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3
CHANGELOG.md
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@ -3,10 +3,11 @@
-------------------------------------------------------------------------------------------------------------
# 5.8.12.M1 (2022-12-27)
# 5.8.12.M1 (2023-01-15)
### 🐣新特性
### 🐞Bug修复
* 【core 】 修复HexUtil.isHexNumber()对"-"的判断问题（issue#2857@Github）
-------------------------------------------------------------------------------------------------------------

6
hutool-core/src/main/java/cn/hutool/core/util/HexUtil.java
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@ -27,7 +27,11 @@ public class HexUtil {
* @return 是否为16进制
*/
public static boolean isHexNumber(String value) {
int index = (value.startsWith("-") ? 1 : 0);
if(StrUtil.startWith(value, '-')){
// issue#2875
return false;
}
int index = 0;
if (value.startsWith("0x", index) || value.startsWith("0X", index)) {
index += 2;
} else if (value.startsWith("#", index)) {

4
hutool-core/src/test/java/cn/hutool/core/util/HexUtilTest.java
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@ -49,6 +49,10 @@ public class HexUtilTest {
// 错误的
a = "0x0000001000T00001158e460913d00000";
Assert.assertFalse(HexUtil.isHexNumber(a));
// 错误的,https://github.com/dromara/hutool/issues/2857
a = "-1";
Assert.assertFalse(HexUtil.isHexNumber(a));
}
@Test