远程图标功能 完成

Util/StringUtil.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GeekDesk.Util
+{
+   public class StringUtil
+    {
+
+
+        public static bool IsEmpty(string str)
+        {
+            if (str == null || str.Length == 0 || str.Trim().Length == 0)
+            {
+                return true;
+            }
+            return false;
+        }
+    }
+}