WZExport/Utilitys/Excel/DirectoryUnit.cs

using System;
using System.Collections.Generic;
using System.Text;

namespace Utilty.Unit.Directory
{
    public class DirectoryUnit
    {
        public static void CheckCreate(string directoryPath)
        {
            if (!System.IO.Directory.Exists(directoryPath))
                System.IO.Directory.CreateDirectory(directoryPath);
        }
    }
}