Merge pull request #1505 from FULaBUla/v5-dev

Fix (hutool-core): 修复是否空白符方法不认为 \u0000 为空格的问题

hutool-core/src/main/java/cn/hutool/core/util/CharUtil.java

@@ -334,7 +334,8 @@ public class CharUtil {
 		return Character.isWhitespace(c)
 				|| Character.isSpaceChar(c)
 				|| c == '\ufeff'
-				|| c == '\u202a';
+				|| c == '\u202a'
+				|| c == '\u0000';
 	}
 
 	/**

hutool-core/src/test/java/cn/hutool/core/util/CharUtilTest.java

@@ -37,6 +37,9 @@ public class CharUtilTest {
 
 		char a3 = '\u3000';
 		Assert.assertTrue(CharUtil.isBlankChar(a3));
+
+		char a4 = '\u0000';
+		Assert.assertTrue(CharUtil.isBlankChar(a4));
 	}
 
 	@Test