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fix bug

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This commit is contained in:
Looly 2022-05-27 18:06:54 +08:00
parent bfa130b564
commit c72ff2c292
3 changed files with 27 additions and 13 deletions
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1
CHANGELOG.md
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@ -19,6 +19,7 @@
* 【core 】 修复CAR_VIN正则（pr#624@Gitee） * 【core 】 修复CAR_VIN正则（pr#624@Gitee）
* 【db 】 修复count查询别名问题（issue#I590YB@Gitee） * 【db 】 修复count查询别名问题（issue#I590YB@Gitee）
* 【json 】 修复json中byte[]无法转换问题（issue#I59LW4@Gitee） * 【json 】 修复json中byte[]无法转换问题（issue#I59LW4@Gitee）
* 【core 】 修复NumberUtil.isXXX未判空问题（issue#2350@Github）
------------------------------------------------------------------------------------------------------------- -------------------------------------------------------------------------------------------------------------

32
hutool-core/src/main/java/cn/hutool/core/util/NumberUtil.java
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@ -1238,10 +1238,12 @@ public class NumberUtil {
* @return 是否为整数 * @return 是否为整数
*/ */
public static boolean isInteger(String s) { public static boolean isInteger(String s) {
try { if(StrUtil.isNotBlank(s)) {
Integer.parseInt(s); try {
} catch (NumberFormatException e) { Integer.parseInt(s);
return false; } catch (NumberFormatException e) {
return false;
}
} }
return true; return true;
} }
@ -1255,10 +1257,12 @@ public class NumberUtil {
* @since 4.0.0 * @since 4.0.0
*/ */
public static boolean isLong(String s) { public static boolean isLong(String s) {
try { if(StrUtil.isNotBlank(s)) {
Long.parseLong(s); try {
} catch (NumberFormatException e) { Long.parseLong(s);
return false; } catch (NumberFormatException e) {
return false;
}
} }
return true; return true;
} }
@ -1270,11 +1274,13 @@ public class NumberUtil {
* @return 是否为{@link Double}类型 * @return 是否为{@link Double}类型
*/ */
public static boolean isDouble(String s) { public static boolean isDouble(String s) {
try { if(StrUtil.isNotBlank(s)) {
Double.parseDouble(s); try {
return s.contains("."); Double.parseDouble(s);
} catch (NumberFormatException ignore) { return s.contains(".");
// ignore } catch (NumberFormatException ignore) {
// ignore
}
} }
return false; return false;
} }

7
hutool-core/src/test/java/cn/hutool/core/util/NumberUtilTest.java
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@ -444,4 +444,11 @@ public class NumberUtilTest {
Assert.assertEquals(1001013, NumberUtil.div(100101300, (Number) 100).intValue()); Assert.assertEquals(1001013, NumberUtil.div(100101300, (Number) 100).intValue());
} }
@Test
public void isDoubleTest(){
Assert.assertFalse(NumberUtil.isDouble(null));
Assert.assertFalse(NumberUtil.isDouble(""));
Assert.assertFalse(NumberUtil.isDouble(" "));
}
} }