Uniform Type Identifiers Overview

System-Declared Uniform Type Identifiers

维基百科的解释

https://en.wikipedia.org/wiki/Uniform_Type_Identifier

获取一个文件的 UTI, 使用 mdls 命令

mdls -name kMDItemContentType -name kMDItemContentTypeTree -name kMDItemKind $FILE

常用的

doc UTI:com.microsoft.word.doc

docx UTI:org.openxmlformats.wordprocessingml.document

ppt UTI:com.microsoft.powerpoint.ppt

pptx UTI:org.openxmlformats.presentationml.presentation

xls UTI:com.microsoft.excel.xls

xlsx UTI:org.openxmlformats.spreadsheetml.sheet

示例

let docsTypes = ["public.text",
                          "com.apple.iwork.pages.pages",
                          "public.data",
                          "kUTTypeItem",
                          "kUTTypeContent",
                          "kUTTypeCompositeContent",
                          "kUTTypeData",
                          "public.database",
                          "public.calendar-event",
                          "public.message",
                          "public.presentation",
                          "public.contact",
                          "public.archive",
                          "public.disk-image",
                          "public.plain-text",
                          "public.utf8-plain-text",
                          "public.utf16-external-plain-​text",
                          "public.utf16-plain-text",
                          "com.apple.traditional-mac-​plain-text",
                          "public.rtf",
                          "com.apple.ink.inktext",
                          "public.html",
                          "public.xml",
                          "public.source-code",
                          "public.c-source",
                          "public.objective-c-source",
                          "public.c-plus-plus-source",
                          "public.objective-c-plus-​plus-source",
                          "public.c-header",
                          "public.c-plus-plus-header",
                          "com.sun.java-source",
                          "public.script",
                          "public.assembly-source",
                          "com.apple.rez-source",
                          "public.mig-source",
                          "com.apple.symbol-export",
                          "com.netscape.javascript-​source",
                          "public.shell-script",
                          "public.csh-script",
                          "public.perl-script",
                          "public.python-script",
                          "public.ruby-script",
                          "public.php-script",
                          "com.sun.java-web-start",
                          "com.apple.applescript.text",
                          "com.apple.applescript.​script",
                          "public.object-code",
                          "com.apple.mach-o-binary",
                          "com.apple.pef-binary",
                          "com.microsoft.windows-​executable",
                          "com.microsoft.windows-​dynamic-link-library",
                          "com.sun.java-class",
                          "com.sun.java-archive",
                          "com.apple.quartz-​composer-composition",
                          "org.gnu.gnu-tar-archive",
                          "public.tar-archive",
                          "org.gnu.gnu-zip-archive",
                          "org.gnu.gnu-zip-tar-archive",
                          "com.apple.binhex-archive",
                          "com.apple.macbinary-​archive",
                          "public.url",
                          "public.file-url",
                          "public.url-name",
                          "public.vcard",
                          "public.image",
                          "public.fax",
                          "public.jpeg",
                          "public.jpeg-2000",
                          "public.tiff",
                          "public.camera-raw-image",
                          "com.apple.pict",
                          "com.apple.macpaint-image",
                          "public.png",
                          "public.xbitmap-image",
                          "com.apple.quicktime-image",
                          "com.apple.icns",
                          "com.apple.txn.text-​multimedia-data",
                          "public.audiovisual-​content",
                          "public.movie",
                          "public.video",
                          "com.apple.quicktime-movie",
                          "public.avi",
                          "public.mpeg",
                          "public.mpeg-4",
                          "public.3gpp",
                          "public.3gpp2",
                          "public.audio",
                          "public.mp3",
                          "public.mpeg-4-audio",
                          "com.apple.protected-​mpeg-4-audio",
                          "public.ulaw-audio",
                          "public.aifc-audio",
                          "public.aiff-audio",
                          "com.apple.coreaudio-​format",
                          "public.directory",
                          "public.folder",
                          "public.volume",
                          "com.apple.package",
                          "com.apple.bundle",
                          "public.executable",
                          "com.apple.application",
                          "com.apple.application-​bundle",
                          "com.apple.application-file",
                          "com.apple.deprecated-​application-file",
                          "com.apple.plugin",
                          "com.apple.metadata-​importer",
                          "com.apple.dashboard-​widget",
                          "public.cpio-archive",
                          "com.pkware.zip-archive",
                          "com.apple.webarchive",
                          "com.apple.framework",
                          "com.apple.rtfd",
                          "com.apple.flat-rtfd",
                          "com.apple.resolvable",
                          "public.symlink",
                          "com.apple.mount-point",
                          "com.apple.alias-record",
                          "com.apple.alias-file",
                          "public.font",
                          "public.truetype-font",
                          "com.adobe.postscript-font",
                          "com.apple.truetype-​datafork-suitcase-font",
                          "public.opentype-font",
                          "public.truetype-ttf-font",
                          "public.truetype-collection-​font",
                          "com.apple.font-suitcase",
                          "com.adobe.postscript-lwfn​-font",
                          "com.adobe.postscript-pfb-​font",
                          "com.adobe.postscript.pfa-​font",
                          "com.apple.colorsync-profile",
                          "public.filename-extension",
                          "public.mime-type",
                          "com.apple.ostype",
                          "com.apple.nspboard-type",
                          "com.adobe.pdf",
                          "com.adobe.postscript",
                          "com.adobe.encapsulated-​postscript",
                          "com.adobe.photoshop-​image",
                          "com.adobe.illustrator.ai-​image",
                          "com.compuserve.gif",
                          "com.microsoft.bmp",
                          "com.microsoft.ico",
                          "com.microsoft.word.doc",
                          "com.microsoft.excel.xls",
                          "com.microsoft.powerpoint.​ppt",
                          "com.microsoft.waveform-​audio",
                          "com.microsoft.advanced-​systems-format",
                          "com.microsoft.windows-​media-wm",
                          "com.microsoft.windows-​media-wmv",
                          "com.microsoft.windows-​media-wmp",
                          "com.microsoft.windows-​media-wma",
                          "com.microsoft.advanced-​stream-redirector",
                          "com.microsoft.windows-​media-wmx",
                          "com.microsoft.windows-​media-wvx",
                          "com.microsoft.windows-​media-wax",
                          "com.apple.keynote.key",
                          "com.apple.keynote.kth",
                          "com.truevision.tga-image",
                          "com.sgi.sgi-image",
                          "com.ilm.openexr-image",
                          "com.kodak.flashpix.image",
                          "com.j2.jfx-fax",
                          "com.js.efx-fax",
                          "com.digidesign.sd2-audio",
                          "com.real.realmedia",
                          "com.real.realaudio",
                          "com.real.smil",
                          "com.allume.stuffit-archive",
                          "org.openxmlformats.wordprocessingml.document",
                          "com.microsoft.powerpoint.​ppt",
                          "org.openxmlformats.presentationml.presentation",
                          "com.microsoft.excel.xls",
                          "org.openxmlformats.spreadsheetml.sheet",
                         
    
  ]
let documentPicker = UIDocumentPickerViewController(documentTypes: Utils.docsTypes, in: .import)
    documentPicker.delegate = self
    documentPicker.allowsMultipleSelection = true
    present(documentPicker, animated: true, completion: nil)