新增磁盘SMART检测汇报功能

src/main/java/com/yutou/nas/utils/StringUtils.java

@@ -1,7 +1,15 @@
 package com.yutou.nas.utils;
 
 public class StringUtils {
-    public static boolean isEmpty(String str){
+    public static boolean isEmpty(String str) {
         return str == null || str.trim().length() == 0;
     }
+
+    public static String toLowerCaseFirstOne(String s) {
+        if (Character.isLowerCase(s.charAt(0))) {
+            return s;
+        } else {
+            return Character.toLowerCase(s.charAt(0)) + s.substring(1);
+        }
+    }
 }