第一步：新建文件 CustomerFileExtensionContentTypeProvider
namespace xxx { public class CustomerFileExtensionContentTypeProvider : FileExtensionContentTypeProvider { public CustomerFileExtensionContentTypeProvider() : base((IDictionary<string, string>) new Dictionary<string, string>( (IEqualityComparer<string>) StringComparer.OrdinalIgnoreCase) { { ".323", "text/h323" }, { ".3g2", "video/3gpp2" }, { ".3gp2", "video/3gpp2" }, { ".3gp", "video/3gpp" }, { ".3gpp", "video/3gpp" }, { ".aac", "audio/aac" }, { ".aaf", "application/octet-stream" }, { ".aca", "application/octet-stream" }, { ".accdb", "application/msaccess" }, { ".accde", "application/msaccess" }, { ".accdt", "application/msaccess" }, { ".acx", "application/internet-property-stream" }, { ".adt", "audio/vnd.dlna.adts" }, { ".adts", "audio/vnd.dlna.adts" }, { ".afm", "application/octet-stream" }, { ".ai", "application/postscript" }, { ".aif", "audio/x-aiff" }, { ".aifc", "audio/aiff" }, { ".aiff", "audio/aiff" }, { ".appcache", "text/cache-manifest" }, { ".application", "application/x-ms-application" }, { ".art", "image/x-jg" }, { ".asd", "application/octet-stream" }, { ".asf", "video/x-ms-asf" }, { ".asi", "application/octet-stream" }, { ".asm", "text/plain" }, { ".asr", "video/x-ms-asf" }, { ".asx", "video/x-ms-asf" }, { ".atom", "application/atom+xml" }, { ".au", "audio/basic" }, { ".avi", "video/x-msvideo" }, { ".axs", "application/olescript" }, { ".bas", "text/plain" }, { ".bcpio", "application/x-bcpio" }, { ".bin", "application/octet-stream" }, { ".bmp", "image/bmp" }, { ".c", "text/plain" }, { ".cab", "application/vnd.ms-cab-compressed" }, { ".calx", "application/vnd.ms-office.calx" }, { ".cat", "application/vnd.ms-pki.seccat" }, { ".cdf", "application/x-cdf" }, { ".chm", "application/octet-stream" }, { ".class", "application/x-java-applet" }, { ".clp", "application/x-msclip" }, { ".cmx", "image/x-cmx" }, { ".cnf", "text/plain" }, { ".cod", "image/cis-cod" }, { ".cpio", "application/x-cpio" }, { ".cpp", "text/plain" }, { ".crd", "application/x-mscardfile" }, { ".crl", "application/pkix-crl" }, { ".crt", "application/x-x509-ca-cert" }, { ".csh", "application/x-csh" }, { ".css", "text/css" }, { ".csv", "application/octet-stream" }, { ".cur", "application/octet-stream" }, { ".dcr", "application/x-director" }, { ".deploy", "application/octet-stream" }, { ".der", "application/x-x509-ca-cert" }, { ".dib", "image/bmp" }, { ".dir", "application/x-director" }, { ".disco", "text/xml" }, { ".dlm", "text/dlm" }, { ".doc", "application/msword" }, { ".docm", "application/vnd.ms-word.document.macroEnabled.12" }, { ".docx", "application/vnd.openxmlformats-officedocument.wordprocessingml.document" }, { ".dot", "application/msword" }, { ".dotm", "application/vnd.ms-word.template.macroEnabled.12" }, { ".dotx", "application/vnd.openxmlformats-officedocument.wordprocessingml.template" }, { ".dsp", "application/octet-stream" }, { ".dtd", "text/xml" }, { ".dvi", "application/x-dvi" }, { ".dvr-ms", "video/x-ms-dvr" }, { ".dwf", "drawing/x-dwf" }, { ".dwp", "application/octet-stream" }, { ".dxr", "application/x-director" }, { ".eml", "message/rfc822" }, { ".emz", "application/octet-stream" }, { ".eot", "application/vnd.ms-fontobject" }, { ".eps", "application/postscript" }, { ".etx", "text/x-setext" }, { ".evy", "application/envoy" }, { ".fdf", "application/vnd.fdf" }, { ".fif", "application/fractals" }, { ".fla", "application/octet-stream" }, { ".flr", "x-world/x-vrml" }, { ".flv", "video/x-flv" }, { ".gif", "image/gif" }, { ".gtar", "application/x-gtar" }, { ".gz", "application/x-gzip" }, { ".h", "text/plain" }, { ".hdf", "application/x-hdf" }, { ".hdml", "text/x-hdml" }, { ".hhc", "application/x-oleobject" }, { ".hhk", "application/octet-stream" }, { ".hhp", "application/octet-stream" }, { ".hlp", "application/winhlp" }, { ".hqx", "application/mac-binhex40" }, { ".hta", "application/hta" }, { ".htc", "text/x-component" }, { ".htm", "text/html" }, { ".html", "text/html" }, { ".htt", "text/webviewhtml" }, { ".hxt", "text/html" }, { ".ical", "text/calendar" }, { ".icalendar", "text/calendar" }, { ".ico", "image/x-icon" }, { ".ics", "text/calendar" }, { ".ief", "image/ief" }, { ".ifb", "text/calendar" }, { ".iii", "application/x-iphone" }, { ".inf", "application/octet-stream" }, { ".ins", "application/x-internet-signup" }, { ".isp", "application/x-internet-signup" }, { ".IVF", "video/x-ivf" }, { ".jar", "application/java-archive" }, { ".java", "application/octet-stream" }, { ".jck", "application/liquidmotion" }, { ".jcz", "application/liquidmotion" }, { ".jfif", "image/pjpeg" }, { ".jpb", "application/octet-stream" }, { ".jpe", "image/jpeg" }, { ".jpeg", "image/jpeg" }, { ".jpg", "image/jpeg" }, { ".js", "application/javascript" }, { ".json", "application/json" }, { ".jsx", "text/jscript" }, { ".latex", "application/x-latex" }, { ".lit", "application/x-ms-reader" }, { ".lpk", "application/octet-stream" }, { ".lsf", "video/x-la-asf" }, { ".lsx", "video/x-la-asf" }, { ".lzh", "application/octet-stream" }, { ".m13", "application/x-msmediaview" }, { ".m14", "application/x-msmediaview" }, { ".m1v", "video/mpeg" }, { ".m2ts", "video/vnd.dlna.mpeg-tts" }, { ".m3u", "audio/x-mpegurl" }, { ".m4a", "audio/mp4" }, { ".m4v", "video/mp4" }, { ".man", "application/x-troff-man" }, { ".manifest", "application/x-ms-manifest" }, { ".map", "text/plain" }, { ".markdown", "text/markdown" }, { ".md", "text/markdown" }, { ".mdb", "application/x-msaccess" }, { ".mdp", "application/octet-stream" }, { ".me", "application/x-troff-me" }, { ".mht", "message/rfc822" }, { ".mhtml", "message/rfc822" }, { ".mid", "audio/mid" }, { ".midi", "audio/mid" }, { ".mix", "application/octet-stream" }, { ".mmf", "application/x-smaf" }, { ".mno", "text/xml" }, { ".mny", "application/x-msmoney" }, { ".mov", "video/quicktime" }, { ".movie", "video/x-sgi-movie" }, { ".mp2", "video/mpeg" }, { ".mp3", "audio/mpeg" }, { ".mp4", "video/mp4" }, { ".mp4v", "video/mp4" }, { ".mpa", "video/mpeg" }, { ".mpe", "video/mpeg" }, { ".mpeg", "video/mpeg" }, { ".mpg", "video/mpeg" }, { ".mpp", "application/vnd.ms-project" }, { ".mpv2", "video/mpeg" }, { ".ms", "application/x-troff-ms" }, { ".msi", "application/octet-stream" }, { ".mso", "application/octet-stream" }, { ".mvb", "application/x-msmediaview" }, { ".mvc", "application/x-miva-compiled" }, { ".nc", "application/x-netcdf" }, { ".nsc", "video/x-ms-asf" }, { ".nws", "message/rfc822" }, { ".ocx", "application/octet-stream" }, { ".oda", "application/oda" }, { ".odc", "text/x-ms-odc" }, { ".ods", "application/oleobject" }, { ".oga", "audio/ogg" }, { ".ogg", "video/ogg" }, { ".ogv", "video/ogg" }, { ".ogx", "application/ogg" }, { ".one", "application/onenote" }, { ".onea", "application/onenote" }, { ".onetoc", "application/onenote" }, { ".onetoc2", "application/onenote" }, { ".onetmp", "application/onenote" }, { ".onepkg", "application/onenote" }, { ".osdx", "application/opensearchdescription+xml" }, { ".otf", "font/otf" }, { ".p10", "application/pkcs10" }, { ".p12", "application/x-pkcs12" }, { ".p7b", "application/x-pkcs7-certificates" }, { ".p7c", "application/pkcs7-mime" }, { ".p7m", "application/pkcs7-mime" }, { ".p7r", "application/x-pkcs7-certreqresp" }, { ".p7s", "application/pkcs7-signature" }, { ".pbm", "image/x-portable-bitmap" }, { ".pcx", "application/octet-stream" }, { ".pcz", "application/octet-stream" }, { ".pdf", "application/pdf" }, { ".pfb", "application/octet-stream" }, { ".pfm", "application/octet-stream" }, { ".pfx", "application/x-pkcs12" }, { ".pgm", "image/x-portable-graymap" }, { ".pko", "application/vnd.ms-pki.pko" }, { ".pma", "application/x-perfmon" }, { ".pmc", "application/x-perfmon" }, { ".pml", "application/x-perfmon" }, { ".pmr", "application/x-perfmon" }, { ".pmw", "application/x-perfmon" }, { ".png", "image/png" }, { ".pnm", "image/x-portable-anymap" }, { ".pnz", "image/png" }, { ".pot", "application/vnd.ms-powerpoint" }, { ".potm", "application/vnd.ms-powerpoint.template.macroEnabled.12" }, { ".potx", "application/vnd.openxmlformats-officedocument.presentationml.template" }, { ".ppam", "application/vnd.ms-powerpoint.addin.macroEnabled.12" }, { ".ppm", "image/x-portable-pixmap" }, { ".pps", "application/vnd.ms-powerpoint" }, { ".ppsm", "application/vnd.ms-powerpoint.slideshow.macroEnabled.12" }, { ".ppsx", "application/vnd.openxmlformats-officedocument.presentationml.slideshow" }, { ".ppt", "application/vnd.ms-powerpoint" }, { ".pptm", "application/vnd.ms-powerpoint.presentation.macroEnabled.12" }, { ".pptx", "application/vnd.openxmlformats-officedocument.presentationml.presentation" }, { ".prf", "application/pics-rules" }, { ".prm", "application/octet-stream" }, { ".prx", "application/octet-stream" }, { ".ps", "application/postscript" }, { ".psd", "application/octet-stream" }, { ".psm", "application/octet-stream" }, { ".psp", "application/octet-stream" }, { ".pub", "application/x-mspublisher" }, { ".qt", "video/quicktime" }, { ".qtl", "application/x-quicktimeplayer" }, { ".qxd", "application/octet-stream" }, { ".ra", "audio/x-pn-realaudio" }, { ".ram", "audio/x-pn-realaudio" }, { ".rar", "application/octet-stream" }, { ".ras", "image/x-cmu-raster" }, { ".rf", "image/vnd.rn-realflash" }, { ".rgb", "image/x-rgb" }, { ".rm", "application/vnd.rn-realmedia" }, { ".rmi", "audio/mid" }, { ".roff", "application/x-troff" }, { ".rpm", "audio/x-pn-realaudio-plugin" }, { ".rtf", "application/rtf" }, { ".rtx", "text/richtext" }, { ".scd", "application/x-msschedule" }, { ".sct", "text/scriptlet" }, { ".sea", "application/octet-stream" }, { ".setpay", "application/set-payment-initiation" }, { ".setreg", "application/set-registration-initiation" }, { ".sgml", "text/sgml" }, { ".sh", "application/x-sh" }, { ".shar", "application/x-shar" }, { ".sit", "application/x-stuffit" }, { ".sldm", "application/vnd.ms-powerpoint.slide.macroEnabled.12" }, { ".sldx", "application/vnd.openxmlformats-officedocument.presentationml.slide" }, { ".smd", "audio/x-smd" }, { ".smi", "application/octet-stream" }, { ".smx", "audio/x-smd" }, { ".smz", "audio/x-smd" }, { ".snd", "audio/basic" }, { ".snp", "application/octet-stream" }, { ".spc", "application/x-pkcs7-certificates" }, { ".spl", "application/futuresplash" }, { ".spx", "audio/ogg" }, { ".src", "application/x-wais-source" }, { ".ssm", "application/streamingmedia" }, { ".sst", "application/vnd.ms-pki.certstore" }, { ".stl", "application/vnd.ms-pki.stl" }, { ".sv4cpio", "application/x-sv4cpio" }, { ".sv4crc", "application/x-sv4crc" }, { ".svg", "image/svg+xml" }, { ".svgz", "image/svg+xml" }, { ".swf", "application/x-shockwave-flash" }, { ".t", "application/x-troff" }, { ".tar", "application/x-tar" }, { ".tcl", "application/x-tcl" }, { ".tex", "application/x-tex" }, { ".texi", "application/x-texinfo" }, { ".texinfo", "application/x-texinfo" }, { ".tgz", "application/x-compressed" }, { ".thmx", "application/vnd.ms-officetheme" }, { ".thn", "application/octet-stream" }, { ".tif", "image/tiff" }, { ".tiff", "image/tiff" }, { ".toc", "application/octet-stream" }, { ".tr", "application/x-troff" }, { ".trm", "application/x-msterminal" }, { ".ts", "video/vnd.dlna.mpeg-tts" }, { ".tsv", "text/tab-separated-values" }, { ".ttc", "application/x-font-ttf" }, { ".ttf", "application/x-font-ttf" }, { ".tts", "video/vnd.dlna.mpeg-tts" }, { ".txt", "text/plain" }, { ".u32", "application/octet-stream" }, { ".uls", "text/iuls" }, { ".ustar", "application/x-ustar" }, { ".vbs", "text/vbscript" }, { ".vcf", "text/x-vcard" }, { ".vcs", "text/plain" }, { ".vdx", "application/vnd.ms-visio.viewer" }, { ".vml", "text/xml" }, { ".vsd", "application/vnd.visio" }, { ".vss", "application/vnd.visio" }, { ".vst", "application/vnd.visio" }, { ".vsto", "application/x-ms-vsto" }, { ".vsw", "application/vnd.visio" }, { ".vsx", "application/vnd.visio" }, { ".vtx", "application/vnd.visio" }, { ".wasm", "application/wasm" }, { ".wav", "audio/wav" }, { ".wax", "audio/x-ms-wax" }, { ".wbmp", "image/vnd.wap.wbmp" }, { ".wcm", "application/vnd.ms-works" }, { ".wdb", "application/vnd.ms-works" }, { ".webm", "video/webm" }, { ".webp", "image/webp" }, { ".wks", "application/vnd.ms-works" }, { ".wm", "video/x-ms-wm" }, { ".wma", "audio/x-ms-wma" }, { ".wmd", "application/x-ms-wmd" }, { ".wmf", "application/x-msmetafile" }, { ".wml", "text/vnd.wap.wml" }, { ".wmlc", "application/vnd.wap.wmlc" }, { ".wmls", "text/vnd.wap.wmlscript" }, { ".wmlsc", "application/vnd.wap.wmlscriptc" }, { ".wmp", "video/x-ms-wmp" }, { ".wmv", "video/x-ms-wmv" }, { ".wmx", "video/x-ms-wmx" }, { ".wmz", "application/x-ms-wmz" }, { ".woff", "application/font-woff" }, { ".woff2", "font/woff2" }, { ".wps", "application/vnd.ms-works" }, { ".wri", "application/x-mswrite" }, { ".wrl", "x-world/x-vrml" }, { ".wrz", "x-world/x-vrml" }, { ".wsdl", "text/xml" }, { ".wtv", "video/x-ms-wtv" }, { ".wvx", "video/x-ms-wvx" }, { ".x", "application/directx" }, { ".xaf", "x-world/x-vrml" }, { ".xaml", "application/xaml+xml" }, { ".xap", "application/x-silverlight-app" }, { ".xbap", "application/x-ms-xbap" }, { ".xbm", "image/x-xbitmap" }, { ".xdr", "text/plain" }, { ".xht", "application/xhtml+xml" }, { ".xhtml", "application/xhtml+xml" }, { ".xla", "application/vnd.ms-excel" }, { ".xlam", "application/vnd.ms-excel.addin.macroEnabled.12" }, { ".xlc", "application/vnd.ms-excel" }, { ".xlm", "application/vnd.ms-excel" }, { ".xls", "application/vnd.ms-excel" }, { ".xlsb", "application/vnd.ms-excel.sheet.binary.macroEnabled.12" }, { ".xlsm", "application/vnd.ms-excel.sheet.macroEnabled.12" }, { ".xlsx", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" }, { ".xlt", "application/vnd.ms-excel" }, { ".xltm", "application/vnd.ms-excel.template.macroEnabled.12" }, { ".xltx", "application/vnd.openxmlformats-officedocument.spreadsheetml.template" }, { ".xlw", "application/vnd.ms-excel" }, { ".xml", "text/xml" }, { ".xof", "x-world/x-vrml" }, { ".xpm", "image/x-xpixmap" }, { ".xps", "application/vnd.ms-xpsdocument" }, { ".xsd", "text/xml" }, { ".xsf", "text/xml" }, { ".xsl", "text/xml" }, { ".xslt", "text/xml" }, { ".xsn", "application/octet-stream" }, { ".xtp", "application/octet-stream" }, { ".xwd", "image/x-xwindowdump" }, { ".z", "application/x-compress" }, { ".zip", "application/x-zip-compressed" }, { ".less", "stylesheet/css" } }) { } } }
第二部：修改startup.cs，在Configure方法内：
app.UseStaticFiles(new StaticFileOptions { ContentTypeProvider = new CustomerFileExtensionContentTypeProvider() });