void OnGUI()
    {
        EditorGUILayout.BeginHorizontal();
        EditorGUILayout.LabelField("Excel路径 : ", GUILayout.Width(80));
        _excelPath = EditorGUILayout.TextField(_excelPath, GUILayout.Width(400));
        bool selectPath = GUILayout.Button("选择");

        if (selectPath)
        {
            _excelPath = EditorWindowUtil.SelectFileWithFilters("选择Excel路径", _excelPath, new string[] { "xls,xlsx", "xls,xlsx" });
        }
        EditorGUILayout.EndHorizontal();

        EditorGUILayout.BeginHorizontal();
        bool load = GUILayout.Button("Load");
        bool save = GUILayout.Button("Save");

        EditorGUILayout.EndHorizontal();

        if (load)
        {
            LoadFile();
        }
        if (save)
        {
            SaveFile();
        }

        if (_excel == null || _excel.excelData == null)
        {
            return;
        }

        _position = EditorGUILayout.BeginScrollView(_position);
        for (int i = 0; i < _excel.excelData.count; i++)
        {
            EditorGUILayout.BeginHorizontal();
            _tmpRow = _excel.excelData.GetRow(i);
            if (_tmpRow.rowType == ExcelRowType.Content || _tmpRow.rowType == ExcelRowType.Comment)
            {
                DrawRow(_tmpRow, DrawCell);
            }
            else if (_tmpRow.rowType == ExcelRowType.Type)
            {
                DrawRow(_tmpRow, DrawTypeCell);
            }
            else if (_tmpRow.rowType == ExcelRowType.Name)
            {
                DrawRow(_tmpRow, DrawNameCell);
            }
            EditorGUILayout.EndHorizontal();
        }

        EditorGUILayout.EndScrollView();
    }
 void LoadFile()
 {
     if (string.IsNullOrEmpty(_excelPath))
     {
         _excelPath = EditorWindowUtil.SelectFileWithFilters("选择Excel路径", _excelPath, new string[] { "xls,xlsx", "xls,xlsx" });
     }
     if (string.IsNullOrEmpty(_excelPath) || (!_excelPath.EndsWith(".xls") && !_excelPath.EndsWith(".xlsx")))
     {
         Debug.LogError("请选择正确的excel文件");
         return;
     }
     _excel = new Excel(_excelPath);
     _excel.Load();
 }