15.2. XML 命名空间

以下这些常量定义了 XML 标签的命名空间：

const (
    SourceRelationshipOfficeDocument             = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument"
    SourceRelationshipChart                      = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart"
    SourceRelationshipComments                   = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/comments"
    SourceRelationshipImage                      = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/image"
    SourceRelationshipTable                      = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/table"
    SourceRelationshipDrawingML                  = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/drawing"
    SourceRelationshipDrawingVML                 = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/vmlDrawing"
    SourceRelationshipHyperLink                  = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink"
    SourceRelationshipWorkSheet                  = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet"
    SourceRelationshipChartsheet                 = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/chartsheet"
    SourceRelationshipDialogsheet                = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/dialogsheet"
    SourceRelationshipPivotTable                 = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/pivotTable"
    SourceRelationshipPivotCache                 = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/pivotCacheDefinition"
    SourceRelationshipSharedStrings              = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/sharedStrings"
    SourceRelationshipVBAProject                 = "http://schemas.microsoft.com/office/2006/relationships/vbaProject"
    NameSpaceXML                                 = "http://www.w3.org/XML/1998/namespace"
    NameSpaceXMLSchemaInstance                   = "http://www.w3.org/2001/XMLSchema-instance"
    StrictSourceRelationship                     = "http://purl.oclc.org/ooxml/officeDocument/relationships"
    StrictSourceRelationshipOfficeDocument       = "http://purl.oclc.org/ooxml/officeDocument/relationships/officeDocument"
    StrictSourceRelationshipChart                = "http://purl.oclc.org/ooxml/officeDocument/relationships/chart"
    StrictSourceRelationshipComments             = "http://purl.oclc.org/ooxml/officeDocument/relationships/comments"
    StrictSourceRelationshipImage                = "http://purl.oclc.org/ooxml/officeDocument/relationships/image"
    StrictNameSpaceSpreadSheet                   = "http://purl.oclc.org/ooxml/spreadsheetml/main"
    NameSpaceDublinCore                          = "http://purl.org/dc/elements/1.1/"
    NameSpaceDublinCoreTerms                     = "http://purl.org/dc/terms/"
    NameSpaceDublinCoreMetadataInitiative        = "http://purl.org/dc/dcmitype/"
    ContentTypeDrawing                           = "application/vnd.openxmlformats-officedocument.drawing+xml"
    ContentTypeDrawingML                         = "application/vnd.openxmlformats-officedocument.drawingml.chart+xml"
    ContentTypeSheetML                           = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml"
    ContentTypeTemplate                          = "application/vnd.openxmlformats-officedocument.spreadsheetml.template.main+xml"
    ContentTypeAddinMacro                        = "application/vnd.ms-excel.addin.macroEnabled.main+xml"
    ContentTypeMacro                             = "application/vnd.ms-excel.sheet.macroEnabled.main+xml"
    ContentTypeTemplateMacro                     = "application/vnd.ms-excel.template.macroEnabled.main+xml"
    ContentTypeSpreadSheetMLChartsheet           = "application/vnd.openxmlformats-officedocument.spreadsheetml.chartsheet+xml"
    ContentTypeSpreadSheetMLComments             = "application/vnd.openxmlformats-officedocument.spreadsheetml.comments+xml"
    ContentTypeSpreadSheetMLPivotCacheDefinition = "application/vnd.openxmlformats-officedocument.spreadsheetml.pivotCacheDefinition+xml"
    ContentTypeSpreadSheetMLPivotTable           = "application/vnd.openxmlformats-officedocument.spreadsheetml.pivotTable+xml"
    ContentTypeSpreadSheetMLSharedStrings        = "application/vnd.openxmlformats-officedocument.spreadsheetml.sharedStrings+xml"
    ContentTypeSpreadSheetMLTable                = "application/vnd.openxmlformats-officedocument.spreadsheetml.table+xml"
    ContentTypeSpreadSheetMLWorksheet            = "application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml"
    ContentTypeVBA                               = "application/vnd.ms-office.vbaProject"
    ContentTypeVML                               = "application/vnd.openxmlformats-officedocument.vmlDrawing"
    // ExtURIConditionalFormattings is the extLst child element
    // ([ISO/IEC29500-1:2016] section 18.2.10) of the worksheet element
    // ([ISO/IEC29500-1:2016] section 18.3.1.99) is extended by the addition of
    // new child ext elements ([ISO/IEC29500-1:2016] section 18.2.7)
    ExtURIConditionalFormattings = "{78C0D931-6437-407D-A8EE-F0AAD7539E65}"
    ExtURIDataValidations        = "{CCE6A557-97BC-4B89-ADB6-D9C93CAAB3DF}"
    ExtURISparklineGroups        = "{05C60535-1F16-4fd2-B633-F4F36F0B64E0}"
    ExtURISlicerListX14          = "{A8765BA9-456A-4DAB-B4F3-ACF838C121DE}"
    ExtURISlicerCachesListX14    = "{BBE1A952-AA13-448e-AADC-164F8A28A991}"
    ExtURISlicerListX15          = "{3A4CF648-6AED-40f4-86FF-DC5316D8AED3}"
    ExtURIProtectedRanges        = "{FC87AEE6-9EDD-4A0A-B7FB-166176984837}"
    ExtURIIgnoredErrors          = "{01252117-D84E-4E92-8308-4BE1C098FCBB}"
    ExtURIWebExtensions          = "{F7C9EE02-42E1-4005-9D12-6889AFFD525C}"
    ExtURITimelineRefs           = "{7E03D99C-DC04-49d9-9315-930204A7B6E9}"
    ExtURIDrawingBlip            = "{28A0092B-C50C-407E-A947-70E740481C1C}"
    ExtURIMacExcelMX             = "{64002731-A6B0-56B0-2670-7721B7C09600}"
)