新增作者

src/main/java/com/alibaba/excel/util/StringUtils.java

@@ -1,5 +1,6 @@
 package com.alibaba.excel.util;
-/*
+
+/**
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.
@@ -12,8 +13,9 @@ package com.alibaba.excel.util;
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
+ *
+ * @author Apache Software Foundation (ASF)
  */
-
 public class StringUtils {
     private StringUtils() {}
 
@@ -194,7 +196,6 @@ public class StringUtils {
         return true;
     }
 
-
     /**
      * <p>Checks if the CharSequence contains only Unicode digits.
      * A decimal point is not a Unicode digit and returns false.</p>