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修复16进制解析错误的问题

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This commit is contained in:
Looly 2023-09-12 17:54:30 +08:00
parent 880bd40870
commit ead980e246
2 changed files with 8 additions and 5 deletions
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10
hutool-core/src/main/java/org/dromara/hutool/core/math/NumberParser.java
View File

@ -106,16 +106,16 @@ public class NumberParser {
return 0;
}
if (StrUtil.containsIgnoreCase(numberStr, "E")) {
// 科学计数法忽略支持，科学计数法一般用于表示非常小和非常大的数字，这类数字转换为int后精度丢失，没有意义。
throw new NumberFormatException(StrUtil.format("Unsupported int format: [{}]", numberStr));
}
if (StrUtil.startWithIgnoreCase(numberStr, "0x")) {
// 0x04表示16进制数
return Integer.parseInt(numberStr.substring(2), 16);
}
if (StrUtil.containsIgnoreCase(numberStr, "E")) {
// 科学计数法忽略支持，科学计数法一般用于表示非常小和非常大的数字，这类数字转换为int后精度丢失，没有意义。
throw new NumberFormatException(StrUtil.format("Unsupported int format: [{}]", numberStr));
}
try {
return Integer.parseInt(numberStr);
} catch (final NumberFormatException e) {

3
hutool-core/src/test/java/org/dromara/hutool/core/util/NumberUtilTest.java
View File

@ -393,6 +393,9 @@ public class NumberUtilTest {
int number = NumberUtil.parseInt("0xFF");
Assertions.assertEquals(255, number);
number = NumberUtil.parseInt("0xFE");
Assertions.assertEquals(254, number);
// 0开头
number = NumberUtil.parseInt("010");
Assertions.assertEquals(10, number);