package oss import ( "mime" "path" "strings" ) var extToMimeType = map[string]string{ ".xlsx": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", ".xltx": "application/vnd.openxmlformats-officedocument.spreadsheetml.template", ".potx": "application/vnd.openxmlformats-officedocument.presentationml.template", ".ppsx": "application/vnd.openxmlformats-officedocument.presentationml.slideshow", ".pptx": "application/vnd.openxmlformats-officedocument.presentationml.presentation", ".sldx": "application/vnd.openxmlformats-officedocument.presentationml.slide", ".docx": "application/vnd.openxmlformats-officedocument.wordprocessingml.document", ".dotx": "application/vnd.openxmlformats-officedocument.wordprocessingml.template", ".xlam": "application/vnd.ms-excel.addin.macroEnabled.12", ".xlsb": "application/vnd.ms-excel.sheet.binary.macroEnabled.12", ".apk": "application/vnd.android.package-archive", ".hqx": "application/mac-binhex40", ".cpt": "application/mac-compactpro", ".doc": "application/msword", ".ogg": "application/ogg", ".pdf": "application/pdf", ".rtf": "text/rtf", ".mif": "application/vnd.mif", ".xls": "application/vnd.ms-excel", ".ppt": "application/vnd.ms-powerpoint", ".odc": "application/vnd.oasis.opendocument.chart", ".odb": "application/vnd.oasis.opendocument.database", ".odf": "application/vnd.oasis.opendocument.formula", ".odg": "application/vnd.oasis.opendocument.graphics", ".otg": "application/vnd.oasis.opendocument.graphics-template", ".odi": "application/vnd.oasis.opendocument.image", ".odp": "application/vnd.oasis.opendocument.presentation", ".otp": "application/vnd.oasis.opendocument.presentation-template", ".ods": "application/vnd.oasis.opendocument.spreadsheet", ".ots": "application/vnd.oasis.opendocument.spreadsheet-template", ".odt": "application/vnd.oasis.opendocument.text", ".odm": "application/vnd.oasis.opendocument.text-master", ".ott": "application/vnd.oasis.opendocument.text-template", ".oth": "application/vnd.oasis.opendocument.text-web", ".sxw": "application/vnd.sun.xml.writer", ".stw": "application/vnd.sun.xml.writer.template", ".sxc": "application/vnd.sun.xml.calc", ".stc": "application/vnd.sun.xml.calc.template", ".sxd": "application/vnd.sun.xml.draw", ".std": "application/vnd.sun.xml.draw.template", ".sxi": "application/vnd.sun.xml.impress", ".sti": "application/vnd.sun.xml.impress.template", ".sxg": "application/vnd.sun.xml.writer.global", ".sxm": "application/vnd.sun.xml.math", ".sis": "application/vnd.symbian.install", ".wbxml": "application/vnd.wap.wbxml", ".wmlc": "application/vnd.wap.wmlc", ".wmlsc": "application/vnd.wap.wmlscriptc", ".bcpio": "application/x-bcpio", ".torrent": "application/x-bittorrent", ".bz2": "application/x-bzip2", ".vcd": "application/x-cdlink", ".pgn": "application/x-chess-pgn", ".cpio": "application/x-cpio", ".csh": "application/x-csh", ".dvi": "application/x-dvi", ".spl": "application/x-futuresplash", ".gtar": "application/x-gtar", ".hdf": "application/x-hdf", ".jar": "application/x-java-archive", ".jnlp": "application/x-java-jnlp-file", ".js": "application/x-javascript", ".ksp": "application/x-kspread", ".chrt": "application/x-kchart", ".kil": "application/x-killustrator", ".latex": "application/x-latex", ".rpm": "application/x-rpm", ".sh": "application/x-sh", ".shar": "application/x-shar", ".swf": "application/x-shockwave-flash", ".sit": "application/x-stuffit", ".sv4cpio": "application/x-sv4cpio", ".sv4crc": "application/x-sv4crc", ".tar": "application/x-tar", ".tcl": "application/x-tcl", ".tex": "application/x-tex", ".man": "application/x-troff-man", ".me": "application/x-troff-me", ".ms": "application/x-troff-ms", ".ustar": "application/x-ustar", ".src": "application/x-wais-source", ".zip": "application/zip", ".m3u": "audio/x-mpegurl", ".ra": "audio/x-pn-realaudio", ".wav": "audio/x-wav", ".wma": "audio/x-ms-wma", ".wax": "audio/x-ms-wax", ".pdb": "chemical/x-pdb", ".xyz": "chemical/x-xyz", ".bmp": "image/bmp", ".gif": "image/gif", ".ief": "image/ief", ".png": "image/png", ".wbmp": "image/vnd.wap.wbmp", ".ras": "image/x-cmu-raster", ".pnm": "image/x-portable-anymap", ".pbm": "image/x-portable-bitmap", ".pgm": "image/x-portable-graymap", ".ppm": "image/x-portable-pixmap", ".rgb": "image/x-rgb", ".xbm": "image/x-xbitmap", ".xpm": "image/x-xpixmap", ".xwd": "image/x-xwindowdump", ".css": "text/css", ".rtx": "text/richtext", ".tsv": "text/tab-separated-values", ".jad": "text/vnd.sun.j2me.app-descriptor", ".wml": "text/vnd.wap.wml", ".wmls": "text/vnd.wap.wmlscript", ".etx": "text/x-setext", ".mxu": "video/vnd.mpegurl", ".flv": "video/x-flv", ".wm": "video/x-ms-wm", ".wmv": "video/x-ms-wmv", ".wmx": "video/x-ms-wmx", ".wvx": "video/x-ms-wvx", ".avi": "video/x-msvideo", ".movie": "video/x-sgi-movie", ".ice": "x-conference/x-cooltalk", ".3gp": "video/3gpp", ".ai": "application/postscript", ".aif": "audio/x-aiff", ".aifc": "audio/x-aiff", ".aiff": "audio/x-aiff", ".asc": "text/plain", ".atom": "application/atom+xml", ".au": "audio/basic", ".bin": "application/octet-stream", ".cdf": "application/x-netcdf", ".cgm": "image/cgm", ".class": "application/octet-stream", ".dcr": "application/x-director", ".dif": "video/x-dv", ".dir": "application/x-director", ".djv": "image/vnd.djvu", ".djvu": "image/vnd.djvu", ".dll": "application/octet-stream", ".dmg": "application/octet-stream", ".dms": "application/octet-stream", ".dtd": "application/xml-dtd", ".dv": "video/x-dv", ".dxr": "application/x-director", ".eps": "application/postscript", ".exe": "application/octet-stream", ".ez": "application/andrew-inset", ".gram": "application/srgs", ".grxml": "application/srgs+xml", ".gz": "application/x-gzip", ".htm": "text/html", ".html": "text/html", ".ico": "image/x-icon", ".ics": "text/calendar", ".ifb": "text/calendar", ".iges": "model/iges", ".igs": "model/iges", ".jp2": "image/jp2", ".jpe": "image/jpeg", ".jpeg": "image/jpeg", ".jpg": "image/jpeg", ".kar": "audio/midi", ".lha": "application/octet-stream", ".lzh": "application/octet-stream", ".m4a": "audio/mp4a-latm", ".m4p": "audio/mp4a-latm", ".m4u": "video/vnd.mpegurl", ".m4v": "video/x-m4v", ".mac": "image/x-macpaint", ".mathml": "application/mathml+xml", ".mesh": "model/mesh", ".mid": "audio/midi", ".midi": "audio/midi", ".mov": "video/quicktime", ".mp2": "audio/mpeg", ".mp3": "audio/mpeg", ".mp4": "video/mp4", ".mpe": "video/mpeg", ".mpeg": "video/mpeg", ".mpg": "video/mpeg", ".mpga": "audio/mpeg", ".msh": "model/mesh", ".nc": "application/x-netcdf", ".oda": "application/oda", ".ogv": "video/ogv", ".pct": "image/pict", ".pic": "image/pict", ".pict": "image/pict", ".pnt": "image/x-macpaint", ".pntg": "image/x-macpaint", ".ps": "application/postscript", ".qt": "video/quicktime", ".qti": "image/x-quicktime", ".qtif": "image/x-quicktime", ".ram": "audio/x-pn-realaudio", ".rdf": "application/rdf+xml", ".rm": "application/vnd.rn-realmedia", ".roff": "application/x-troff", ".sgm": "text/sgml", ".sgml": "text/sgml", ".silo": "model/mesh", ".skd": "application/x-koan", ".skm": "application/x-koan", ".skp": "application/x-koan", ".skt": "application/x-koan", ".smi": "application/smil", ".smil": "application/smil", ".snd": "audio/basic", ".so": "application/octet-stream", ".svg": "image/svg+xml", ".t": "application/x-troff", ".texi": "application/x-texinfo", ".texinfo": "application/x-texinfo", ".tif": "image/tiff", ".tiff": "image/tiff", ".tr": "application/x-troff", ".txt": "text/plain", ".vrml": "model/vrml", ".vxml": "application/voicexml+xml", ".webm": "video/webm", ".wrl": "model/vrml", ".xht": "application/xhtml+xml", ".xhtml": "application/xhtml+xml", ".xml": "application/xml", ".xsl": "application/xml", ".xslt": "application/xslt+xml", ".xul": "application/vnd.mozilla.xul+xml", } // TypeByExtension returns the MIME type associated with the file extension ext. // 获取文件类型，选项ContentType使用 func TypeByExtension(filePath string) string { typ := mime.TypeByExtension(path.Ext(filePath)) if typ == "" { typ = extToMimeType[strings.ToLower(path.Ext(filePath))] } return typ }