public static void Open(string excelFullpath)
    {
        ExcelEditorWindow window = GetWindowWithRect <ExcelEditorWindow>(new Rect(0, 0, 600, 400), false, "ExcelEditor");

        window._excelPath = excelFullpath;
        window.LoadFile();
    }
    public static void Open(Excel excel)
    {
        ExcelEditorWindow window = GetWindowWithRect <ExcelEditorWindow>(new Rect(0, 0, 600, 400), false, "ExcelEditor");

        window._excelPath = excel.FullPath;
        window._excel     = excel;
    }