WZExport/Utilitys/Excel/FileUnit.cs

using System.IO;
using Utilty.Unit.Directory;

namespace Utilty.Unit.File
{
    public class FileUnit
    {
        public static FileStream CheckCreate(string filePath)
        {           
            string directoryPath= System.IO.Path.GetDirectoryName(filePath);
            DirectoryUnit.CheckCreate(directoryPath);
            return System.IO.File.Create(filePath);
                
        }
        public static void CheckDelete(string filePath)
        {
            if (System.IO.File.Exists(filePath))
                System.IO.File.Delete(filePath);
        }
    }
}