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fix:字符串NPE

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This commit is contained in:
asukavuuyn 2025-09-28 01:15:57 +08:00
parent 23b60cd9cc
commit f3992c706d
1 changed files with 6 additions and 0 deletions
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6
hutool-core/src/main/java/cn/hutool/core/util/StrUtil.java
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@ -370,6 +370,9 @@ public class StrUtil extends CharSequenceUtil implements StrPool {
* @since 3.0.9 * @since 3.0.9
*/ */
public static String reverse(String str) { public static String reverse(String str) {
if (null == str) {
return null;
}
return new String(ArrayUtil.reverse(str.toCharArray())); return new String(ArrayUtil.reverse(str.toCharArray()));
} }
@ -414,6 +417,9 @@ public class StrUtil extends CharSequenceUtil implements StrPool {
* @since 3.1.2 * @since 3.1.2
*/ */
public static String fill(String str, char filledChar, int len, boolean isPre) { public static String fill(String str, char filledChar, int len, boolean isPre) {
if (null == str) {
str = "";
}
final int strLen = str.length(); final int strLen = str.length();
if (strLen > len) { if (strLen > len) {
return str; return str;