变量

    2.     SourceRelationship                      = xml.Attr{Name: xml.Name{Local: "r", Space: "xmlns"}, Value: "http://schemas.openxmlformats.org/officeDocument/2006/relationships"}
    3.     SourceRelationshipCompatibility         = xml.Attr{Name: xml.Name{Local: "mc", Space: "xmlns"}, Value: "http://schemas.openxmlformats.org/markup-compatibility/2006"}
    4.     SourceRelationshipChart20070802         = xml.Attr{Name: xml.Name{Local: "c14", Space: "xmlns"}, Value: "http://schemas.microsoft.com/office/drawing/2007/8/2/chart"}
    6.     NameSpaceSpreadSheet                    = xml.Attr{Name: xml.Name{Local: "xmlns"}, Value: "http://schemas.openxmlformats.org/spreadsheetml/2006/main"}
    7.     NameSpaceSpreadSheetX14                 = xml.Attr{Name: xml.Name{Local: "x14", Space: "xmlns"}, Value: "http://schemas.microsoft.com/office/spreadsheetml/2009/9/main"}
    8.     NameSpaceDrawingML                      = xml.Attr{Name: xml.Name{Local: "a", Space: "xmlns"}, Value: "http://schemas.openxmlformats.org/drawingml/2006/main"}
    10.     NameSpaceSpreadSheetX15                 = xml.Attr{Name: xml.Name{Local: "x15", Space: "xmlns"}, Value: "http://schemas.microsoft.com/office/spreadsheetml/2010/11/main"}
    11.     NameSpaceSpreadSheetExcel2006Main       = xml.Attr{Name: xml.Name{Local: "xne", Space: "xmlns"}, Value: "http://schemas.microsoft.com/office/excel/2006/main"}
    12.     NameSpaceMacExcel2008Main               = xml.Attr{Name: xml.Name{Local: "mx", Space: "xmlns"}, Value: "http://schemas.microsoft.com/office/mac/excel/2008/main"}