變數

var (
    // ErrAddVBAProject 定義了向活頁簿嵌入 VBA 專案發生異常時的錯誤提示信息
    ErrAddVBAProject = errors.New("unsupported VBA project extension")
    // ErrAttrValBool 定義了序列化或反序列化 XML 布爾類型值失敗時的錯誤提示信息
    ErrAttrValBool = errors.New("unexpected child of attrValBool")
    // ErrCellCharsLength 定義了單個存儲格字符長度超出最大限制時的錯誤提示信息
    ErrCellCharsLength = fmt.Errorf("cell value must be 0-%d characters", TotalCellChars)
    // ErrCellStyles 定義了存儲格格式數量超出最大限制時的錯誤提示信息
    ErrCellStyles = fmt.Errorf("the cell styles exceeds the %d limit", MaxCellStyles)
    // ErrColumnNumber 定義了收到無效欄名時的錯誤提示信息
    ErrColumnNumber = fmt.Errorf(`the column number must be greater than or equal to %d and less than or equal to %d`, MinColumns, MaxColumns)
    // ErrColumnWidth 定義了收到無效欄寬度時的錯誤提示信息
    ErrColumnWidth = fmt.Errorf("the width of the column must be less than or equal to %d characters", MaxColumnWidth)
    // ErrCoordinates 定義了收到無效存儲格坐標元組時的錯誤提示信息
    ErrCoordinates = errors.New("coordinates length must be 4")
    // ErrCustomNumFmt 定義了指定自訂數字格式表達式為空時的錯誤提示信息
    ErrCustomNumFmt = errors.New("custom number format can not be empty")
    // ErrDataValidationFormulaLength 定義了數據驗證公式長度超出最大限制時錯誤提示信息
    ErrDataValidationFormulaLength = fmt.Errorf("data validation must be 0-%d characters", MaxFieldLength)
    // ErrDataValidationRange 定義了指定數據驗證小數範圍無效時的錯誤提示信息
    ErrDataValidationRange = errors.New("data validation range exceeds limit")
    // ErrDefinedNameDuplicate 定義了在給定範圍內已經存在相同指定名稱時的錯誤提示信息
    ErrDefinedNameDuplicate = errors.New("the same name already exists on the scope")
    // ErrDefinedNameScope 定義了在給定範圍內找不到指定名稱時的錯誤提示信息
    ErrDefinedNameScope = errors.New("no defined name on the scope")
    // ErrExistsSheet 定義了檢測到已有相同名稱工作表存在時的錯誤提示信息
    ErrExistsSheet = errors.New("the same name sheet already exists")
    // ErrExistsTableName 定義了給定表格名稱已存在時的錯誤提示信息
    ErrExistsTableName = errors.New("the same name table already exists")
    // ErrFontLength 定義了字型名稱長度超出最大限制時的錯誤提示信息
    ErrFontLength = fmt.Errorf("the length of the font family name must be less than or equal to %d", MaxFontFamilyLength)
    // ErrFontSize 定義了收到無效字號時的錯誤提示信息
    ErrFontSize = fmt.Errorf("font size must be between %d and %d points", MinFontSize, MaxFontSize)
    // ErrFormControlValue 定義了表單控制項捲軸值超過有效範圍時的錯誤提示信息
    ErrFormControlValue = fmt.Errorf("scroll value must be between 0 and %d", MaxFormControlValue)
    // ErrGroupSheets 定義了工作表分組異常時的錯誤提示信息
    ErrGroupSheets = errors.New("group worksheet must contain an active worksheet")
    // ErrImgExt 定義了不受支援的圖片擴展名的錯誤提示信息
    ErrImgExt = errors.New("unsupported image extension")
    // ErrInvalidFormula 定義了收到無效公式時的錯誤提示信息
    ErrInvalidFormula = errors.New("formula not valid")
    // ErrMaxFilePathLength 定義了活頁簿存儲路徑長度超出最大限制時的錯誤提示信息
    ErrMaxFilePathLength = fmt.Errorf("file path length exceeds maximum limit %d characters", MaxFilePathLength)
    // ErrMaxRowHeight 定義了收到無效列高度時的錯誤提示信息
    ErrMaxRowHeight = fmt.Errorf("the height of the row must be less than or equal to %d points", MaxRowHeight)
    // ErrMaxRows 定義了當列號超出最大限制時的錯誤提示信息
    ErrMaxRows = errors.New("row number exceeds maximum limit")
    // ErrNameLength 定義了自訂名稱或表格名稱長度超出最大限制時的錯誤提示信息
    ErrNameLength = fmt.Errorf("the name length exceeds the %d characters limit", MaxFieldLength)
    // ErrOptionsUnzipSizeLimit 定義了開啓活頁簿時，「用以指定開啓電子錶格檔案時的解壓縮大小限制參數」和「用以指定解壓每個工作表時的內存限制參數」產生衝突時的錯誤提示信息
    ErrOptionsUnzipSizeLimit = errors.New("the value of UnzipSizeLimit should be greater than or equal to UnzipXMLSizeLimit")
    // ErrOutlineLevel 定義了在數據分組時收到無效級別時的錯誤提示信息
    ErrOutlineLevel = errors.New("invalid outline level")
    // ErrParameterInvalid 定義了收到無效參數時的錯誤提示信息
    ErrParameterInvalid = errors.New("parameter is invalid")
    // ErrParameterRequired 定義了必要參數為空時的錯誤提示信息
    ErrParameterRequired = errors.New("parameter is required")
    // ErrPasswordLengthInvalid 定義了密碼長度超出限制時的錯誤提示信息
    ErrPasswordLengthInvalid = errors.New("password length invalid")
    // ErrSave 定義了保存活頁簿時的錯誤提示信息
    ErrSave = errors.New("no path defined for file, consider File.WriteTo or File.Write")
    // ErrSheetIdx 定義了收到了無效工作表索引時的錯誤提示信息
    ErrSheetIdx = errors.New("invalid worksheet index")
    // ErrSheetNameBlank 定義了收到的工作表名稱為空時的錯誤提示信息
    ErrSheetNameBlank = errors.New("the sheet name can not be blank")
    // ErrSheetNameInvalid 定義了收到帶有無效字符的工作表名稱時的錯誤提示信息
    ErrSheetNameInvalid = errors.New("the sheet can not contain any of the characters :\\/?*[or]")
    // ErrSheetNameLength 定義了工作表名稱長度超出最大限制時的錯誤提示信息
    ErrSheetNameLength = fmt.Errorf("the sheet name length exceeds the %d characters limit", MaxSheetNameLength)
    // ErrSheetNameSingleQuote 定義了收到的工作表名稱中，第一個或者最後一個字符是單引號時的錯誤提示信息
    ErrSheetNameSingleQuote = errors.New("the first or last character of the sheet name can not be a single quote")
    // ErrSparkline 定義了收到無效走勢圖創建參數時的錯誤提示信息
    ErrSparkline = errors.New("must have the same number of 'Location' and 'Range' parameters")
    // ErrSparklineLocation 定義了創建走勢圖參數缺少 Location 字段時的錯誤提示信息
    ErrSparklineLocation = errors.New("parameter 'Location' is required")
    // ErrSparklineRange 定義了創建走勢圖參數缺少 Range 字段時的錯誤提示信息
    ErrSparklineRange = errors.New("parameter 'Range' is required")
    // ErrSparklineStyle 定義了收到無效走勢圖創建樣式參數時的錯誤提示信息
    ErrSparklineStyle = errors.New("parameter 'Style' must between 0-35")
    // ErrSparklineType 定義了創建走勢圖收到無效參數時的錯誤提示信息
    ErrSparklineType = errors.New("parameter 'Type' must be 'line', 'column' or 'win_loss'")
    // ErrStreamSetColWidth 定義了在流式寫入模式下設定欄寬度時的錯誤提示信息
    ErrStreamSetColWidth = errors.New("must call the SetColWidth function before the SetRow function")
    // ErrStreamSetPanes 定義了在流式寫入模式下設定窗格時的錯誤提示信息
    ErrStreamSetPanes = errors.New("must call the SetPanes function before the SetRow function")
    // ErrTotalSheetHyperlinks 定義了工作表包含的超鏈接總數超出最大限制時的錯誤提示信息
    ErrTotalSheetHyperlinks = errors.New("over maximum limit hyperlinks in a worksheet")
    // ErrUnknownEncryptMechanism 定義了檢測到未知加密機制時的錯誤提示信息
    ErrUnknownEncryptMechanism = errors.New("unknown encryption mechanism")
    // ErrUnprotectSheet 定義了取消保護工作表時的錯誤提示信息
    ErrUnprotectSheet = errors.New("worksheet has set no protect")
    // ErrUnprotectSheetPassword 定義了透過密碼驗證取消保護工作表失敗時的錯誤提示信息
    ErrUnprotectSheetPassword = errors.New("worksheet protect password not match")
    // ErrUnprotectWorkbook 定義了取消保護活頁簿時的錯誤提示信息
    ErrUnprotectWorkbook = errors.New("workbook has set no protect")
    // ErrUnprotectWorkbookPassword 定義了透過密碼驗證取消保護活頁簿失敗時的錯誤提示信息
    ErrUnprotectWorkbookPassword = errors.New("workbook protect password not match")
    // ErrUnsupportedEncryptMechanism 定義了檢測到不受支援的加密機制時的錯誤提示信息
    ErrUnsupportedEncryptMechanism = errors.New("unsupported encryption mechanism")
    // ErrUnsupportedHashAlgorithm 定義了檢測到不受支援的哈希算法時的錯誤提示信息
    ErrUnsupportedHashAlgorithm = errors.New("unsupported hash algorithm")
    // ErrUnsupportedNumberFormat 定義了檢測到不受支援的數字格式時的錯誤提示信息
    ErrUnsupportedNumberFormat = errors.New("unsupported number format token")
    // ErrWorkbookFileFormat 定義了不受支援的活頁簿文件類型的錯誤提示信息
    ErrWorkbookFileFormat = errors.New("unsupported workbook file format")
    // ErrWorkbookPassword 定義了開啓活頁簿時密碼驗證失敗的錯誤提示信息
    ErrWorkbookPassword = errors.New("the supplied open workbook password is not correct")
)

下列變數定義了 XML 源關係和命名空間列表、相關前綴和引入它的模式：

var (
    NameSpaceDocumentPropertiesVariantTypes = xml.Attr{Name: xml.Name{Local: "vt", Space: "xmlns"}, Value: "http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes"}
    NameSpaceDrawing2016SVG                 = xml.Attr{Name: xml.Name{Local: "asvg", Space: "xmlns"}, Value: "http://schemas.microsoft.com/office/drawing/2016/SVG/main"}
    NameSpaceDrawingML                      = xml.Attr{Name: xml.Name{Local: "a", Space: "xmlns"}, Value: "http://schemas.openxmlformats.org/drawingml/2006/main"}
    NameSpaceDrawingMLA14                   = xml.Attr{Name: xml.Name{Local: "a14", Space: "xmlns"}, Value: "http://schemas.microsoft.com/office/drawing/2010/main"}
    NameSpaceDrawingMLChart                 = xml.Attr{Name: xml.Name{Local: "c", Space: "xmlns"}, Value: "http://schemas.openxmlformats.org/drawingml/2006/chart"}
    NameSpaceDrawingMLSlicer                = xml.Attr{Name: xml.Name{Local: "sle", Space: "xmlns"}, Value: "http://schemas.microsoft.com/office/drawing/2010/slicer"}
    NameSpaceDrawingMLSlicerX15             = xml.Attr{Name: xml.Name{Local: "sle15", Space: "xmlns"}, Value: "http://schemas.microsoft.com/office/drawing/2012/slicer"}
    NameSpaceDrawingMLSpreadSheet           = xml.Attr{Name: xml.Name{Local: "xdr", Space: "xmlns"}, Value: "http://schemas.openxmlformats.org/drawingml/2006/spreadsheetDrawing"}
    NameSpaceMacExcel2008Main               = xml.Attr{Name: xml.Name{Local: "mx", Space: "xmlns"}, Value: "http://schemas.microsoft.com/office/mac/excel/2008/main"}
    NameSpaceSpreadSheet                    = xml.Attr{Name: xml.Name{Local: "xmlns"}, Value: "http://schemas.openxmlformats.org/spreadsheetml/2006/main"}
    NameSpaceSpreadSheetExcel2006Main       = xml.Attr{Name: xml.Name{Local: "xne", Space: "xmlns"}, Value: "http://schemas.microsoft.com/office/excel/2006/main"}
    NameSpaceSpreadSheetX14                 = xml.Attr{Name: xml.Name{Local: "x14", Space: "xmlns"}, Value: "http://schemas.microsoft.com/office/spreadsheetml/2009/9/main"}
    NameSpaceSpreadSheetX15                 = xml.Attr{Name: xml.Name{Local: "x15", Space: "xmlns"}, Value: "http://schemas.microsoft.com/office/spreadsheetml/2010/11/main"}
    NameSpaceSpreadSheetXR10                = xml.Attr{Name: xml.Name{Local: "xr10", Space: "xmlns"}, Value: "http://schemas.microsoft.com/office/spreadsheetml/2016/revision10"}
    SourceRelationship                      = xml.Attr{Name: xml.Name{Local: "r", Space: "xmlns"}, Value: "http://schemas.openxmlformats.org/officeDocument/2006/relationships"}
    SourceRelationshipChart20070802         = xml.Attr{Name: xml.Name{Local: "c14", Space: "xmlns"}, Value: "http://schemas.microsoft.com/office/drawing/2007/8/2/chart"}
    SourceRelationshipChart2014             = xml.Attr{Name: xml.Name{Local: "c16", Space: "xmlns"}, Value: "http://schemas.microsoft.com/office/drawing/2014/chart"}
    SourceRelationshipChart201506           = xml.Attr{Name: xml.Name{Local: "c16r2", Space: "xmlns"}, Value: "http://schemas.microsoft.com/office/drawing/2015/06/chart"}
    SourceRelationshipCompatibility         = xml.Attr{Name: xml.Name{Local: "mc", Space: "xmlns"}, Value: "http://schemas.openxmlformats.org/markup-compatibility/2006"}
)

下面的變數定義了索引色彩和 RGB 色值的映射關係。為保證向後相容性，其中值為 0-7 與 8-15 的索引色彩是重復的。索引色彩的值範圍是 0-65。

var IndexedColorMapping = []string{
    "000000", "FFFFFF", "FF0000", "00FF00", "0000FF", "FFFF00", "FF00FF", "00FFFF",
    "000000", "FFFFFF", "FF0000", "00FF00", "0000FF", "FFFF00", "FF00FF", "00FFFF",
    "800000", "008000", "000080", "808000", "800080", "008080", "C0C0C0", "808080",
    "9999FF", "993366", "FFFFCC", "CCFFFF", "660066", "FF8080", "0066CC", "CCCCFF",
    "000080", "FF00FF", "FFFF00", "00FFFF", "800080", "800000", "008080", "0000FF",
    "00CCFF", "CCFFFF", "CCFFCC", "FFFF99", "99CCFF", "FF99CC", "CC99FF", "FFCC99",
    "3366FF", "33CCCC", "99CC00", "FFCC00", "FF9900", "FF6600", "666699", "969696",
    "003366", "339966", "003300", "333300", "993300", "993366", "333399", "333333",
    "000000", "FFFFFF",
}