Java文件类型工具类

package *;

import java.util.HashMap;
import java.util.Map;

/**
 * <p>
 * <b>FileTypeEnum2</b> is 文件类型（扩展名）对比类
 * </p>
 *
 * @since 2019年1月5日15:53:57
 * @author Liuyc
 * @version $Id: codetemplates.xml 1145 2019年1月5日 Liuyc $
 */
public class FileTypeEnum2 {

	/**
	 * 其他
	 */
	final public static Map<String, String> OTHER = new HashMap<String, String>() {
		private static final long serialVersionUID = 1L; {

			// xml类型文件
			put(".asa", "application/xml");
			put(".asax", "application/xml");
			put(".ascx", "application/xml");
			put(".ashx", "application/xml");
			put(".asmx", "application/xml");
			put(".aspx", "application/xml");
			put(".config", "application/xml");
			put(".coverage", "application/xml");
			put(".datasource", "application/xml");
			put(".dgml", "application/xml");
			put(".generictest", "application/xml");
			put(".hxa", "application/xml");
			put(".hxc", "application/xml");
			put(".hxe", "application/xml");
			put(".hxf", "application/xml");
			put(".hxk", "application/xml");
			put(".svc", "application/xml");
			put(".rdlc", "application/xml");
			put(".resx", "application/xml");
			put(".ruleset", "application/xml");
			put(".settings", "application/xml");
			put(".snippet", "application/xml");
			put(".testrunconfig", "application/xml");
			put(".testsettings", "application/xml");
			put(".xss", "application/xml");
			put(".xsc", "application/xml");
			put(".hxv", "application/xml");
			put(".loadtest", "application/xml");
			put(".trx", "application/xml");
			put(".psess", "application/xml");
			put(".mtx", "application/xml");
			put(".master", "application/xml");
			put(".orderedtest", "application/xml");
			put(".sitemap", "application/xml");
			put(".skin", "application/xml");
			put(".vscontent", "application/xml");
			put(".vsmdi", "application/xml");
			put(".webtest", "application/xml");
			put(".wiq", "application/xml");
			put(".xmta", "application/xml");

			put(".filters", "Application/xml");
			put(".vcproj", "Application/xml");
			put(".vcxproj", "Application/xml");

			// 文件流类型
			put(".thn", "application/octet-stream");
			put(".toc", "application/octet-stream");
			put(".ttf", "application/octet-stream");
			put(".u32", "application/octet-stream");
			put(".xsn", "application/octet-stream");
			put(".xtp", "application/octet-stream");
			put(".aaf", "application/octet-stream");
			put(".aca", "application/octet-stream");
			put(".afm", "application/octet-stream");
			put(".asd", "application/octet-stream");
			put(".asi", "application/octet-stream");
			put(".cab", "application/octet-stream");
			put(".bin", "application/octet-stream");
			put(".chm", "application/octet-stream");
			put(".cur", "application/octet-stream");
			put(".dat", "application/octet-stream");
			put(".deploy", "application/octet-stream");
			put(".dwp", "application/octet-stream");
			put(".dsp", "application/octet-stream");
			put(".emz", "application/octet-stream");
			put(".eot", "application/octet-stream");
			put(".exe", "application/octet-stream");
			put(".hxd", "application/octet-stream");
			put(".hxh", "application/octet-stream");
			put(".hxi", "application/octet-stream");
			put(".hxq", "application/octet-stream");
			put(".hxr", "application/octet-stream");
			put(".hxs", "application/octet-stream");
			put(".hxw", "application/octet-stream");
			put(".ics", "application/octet-stream");
			put(".hhk", "application/octet-stream");
			put(".hhp", "application/octet-stream");
			put(".inf", "application/octet-stream");
			put(".fla", "application/octet-stream");
			put(".java", "application/octet-stream");
			put(".jpb", "application/octet-stream");
			put(".mdp", "application/octet-stream");
			put(".mix", "application/octet-stream");
			put(".msi", "application/octet-stream");
			put(".mso", "application/octet-stream");
			put(".ocx", "application/octet-stream");
			put(".pcx", "application/octet-stream");
			put(".pcz", "application/octet-stream");
			put(".pfb", "application/octet-stream");
			put(".pfm", "application/octet-stream");
			put(".lzh", "application/octet-stream");
			put(".lpk", "application/octet-stream");
			put(".qxd", "application/octet-stream");
			put(".prm", "application/octet-stream");
			put(".prx", "application/octet-stream");
			put(".psd", "application/octet-stream");
			put(".psm", "application/octet-stream");
			put(".psp", "application/octet-stream");
			put(".rar", "application/octet-stream");
			put(".sea", "application/octet-stream");
			put(".smi", "application/octet-stream");
			put(".snp", "application/octet-stream");

			//
			put(".acx", "application/internet-property-stream");
			put(".ai", "application/postscript");
			put(".atom", "application/atom+xml");
			put(".axs", "application/olescript");
			put(".ustar", "application/x-ustar");
			put(".bcpio", "application/x-bcpio");
			put(".xhtml", "application/xhtml+xml");
			put(".crl", "application/pkix-crl");
			put(".amc", "application/x-mpeg");
			put(".cdf", "application/x-cdf");
			put(".cer", "application/x-x509-ca-cert");
			put(".class", "application/x-java-applet");
			put(".clp", "application/x-msclip");
			put(".application", "application/x-ms-application");
			put(".adobebridge", "application/x-bridge-url");
			put(".cpio", "application/x-cpio");
			put(".crd", "application/x-mscardfile");
			put(".crt", "application/x-x509-ca-cert");
			put(".der", "application/x-x509-ca-cert");
			put(".csh", "application/x-csh");
			put(".dcr", "application/x-director");
			put(".dir", "application/x-director");
			put(".dll", "application/x-msdownload");
			put(".dvi", "application/x-dvi");
			put(".dwf", "drawing/x-dwf");
			put(".dxr", "application/x-director");
			put(".flr", "x-world/x-vrml");
			put(".gtar", "application/x-gtar");
			put(".gz", "application/x-gzip");
			put(".hdf", "application/x-hdf");
			put(".hhc", "application/x-oleobject");
			put(".mmf", "application/x-smaf");
			put(".mny", "application/x-msmoney");
			put(".ms", "application/x-troff-ms");
			put(".mvb", "application/x-msmediaview");
			put(".mvc", "application/x-miva-compiled");
			put(".mxp", "application/x-mmxp");
			put(".nc", "application/x-netcdf");
			put(".pcast", "application/x-podcast");
			put(".ins", "application/x-internet-signup");
			put(".jnlp", "application/x-java-jnlp-file");
			put(".js", "application/x-javascript");
			put(".latex", "application/x-latex");
			put(".lit", "application/x-ms-reader");
			put(".manifest", "application/x-ms-manifest");
			put(".man", "application/x-troff-man");
			put(".me", "application/x-troff-me");
			put(".mfp", "application/x-shockwave-flash");
			put(".pfx", "application/x-pkcs12");
			put(".p7r", "application/x-pkcs7-certreqresp");
			put(".p12", "application/x-pkcs12");
			put(".p7b", "application/x-pkcs7-certificates");
			put(".pma", "application/x-perfmon");
			put(".pmc", "application/x-perfmon");
			put(".pml", "application/x-perfmon");
			put(".pmr", "application/x-perfmon");
			put(".pmw", "application/x-perfmon");
			put(".iii", "application/x-iphone");
			put(".ipa", "application/x-itunes-ipa");
			put(".ipg", "application/x-itunes-ipg");
			put(".ipsw", "application/x-itunes-ipsw");
			put(".isp", "application/x-internet-signup");
			put(".ite", "application/x-itunes-ite");
			put(".itlp", "application/x-itunes-itlp");
			put(".itms", "application/x-itunes-itms");
			put(".itpc", "application/x-itunes-itpc");
			put(".eps", "application/postscript");
			put(".etl", "application/etl");
			put(".evy", "application/envoy");
			put(".fdf", "application/vnd.fdf");
			put(".fif", "application/fractals");
			put(".fsscript", "application/fsharp-script");
			put(".fsx", "application/fsharp-script");
			put(".hlp", "application/winhlp");
			put(".hqx", "application/mac-binhex40");
			put(".hta", "application/hta");
			put(".jck", "application/liquidmotion");
			put(".jcz", "application/liquidmotion");
			put(".library-ms", "application/windows-library+xml");
			put(".mht", "message/rfc822");
			put(".mhtml", "message/rfc822");
			put(".nws", "message/rfc822");
			put(".eml", "message/rfc822");
			put(".oda", "application/oda");
			put(".ods", "application/oleobject");
			put(".osdx", "application/opensearchdescription+xml");
			put(".p10", "application/pkcs10");
			put(".p7c", "application/pkcs7-mime");
			put(".p7m", "application/pkcs7-mime");
			put(".p7s", "application/pkcs7-signature");
			put(".prf", "application/pics-rules");
			put(".ps", "application/postscript");
			put(".psc1", "application/PowerShell");
			put(".pub", "application/x-mspublisher");
			put(".qtl", "application/x-quicktimeplayer");
			put(".rat", "application/rat-file");
			put(".roff", "application/x-troff");
			put(".rtf", "application/rtf");
			put(".safariextz", "application/x-safari-safariextz");
			put(".scd", "application/x-msschedule");
			put(".sdp", "application/sdp");
			put(".searchConnector-ms", "application/windows-search-connector+xml");
			put(".setpay", "application/set-payment-initiation");
			put(".setreg", "application/set-registration-initiation");
			put(".sgimb", "application/x-sgimb");
			put(".sh", "application/x-sh");
			put(".shar", "application/x-shar");
			put(".sit", "application/x-stuffit");
			put(".slupkg-ms", "application/x-ms-license");
			put(".spc", "application/x-pkcs7-certificates");
			put(".spl", "application/futuresplash");
			put(".src", "application/x-wais-source");
			put(".ssm", "application/streamingmedia");
			put(".sv4cpio", "application/x-sv4cpio");
			put(".sv4crc", "application/x-sv4crc");
			put(".swf", "application/x-shockwave-flash");
			put(".t", "application/x-troff");
			put(".tar", "application/x-tar");
			put(".tcl", "application/x-tcl");
			put(".tex", "application/x-tex");
			put(".texi", "application/x-texinfo");
			put(".texinfo", "application/x-texinfo");
			put(".tr", "application/x-troff");
			put(".trm", "application/x-msterminal");
			put(".vsi", "application/ms-vsi");
			put(".vsix", "application/vsix");
			put(".vsto", "application/x-ms-vsto");
			put(".webarchive", "application/x-safari-webarchive");
			put(".WLMP", "application/wlmoviemaker");
			put(".wlpginstall", "application/x-wlpg-detect");
			put(".wlpginstall3", "application/x-wlpg3-detect");
			put(".x", "application/directx");
			put(".xaml", "application/xaml+xml");
			put(".xht", "application/xhtml+xml");
			put(".xap", "application/x-silverlight-app");
			put(".xbap", "application/x-ms-xbap");
			put(".xaf", "x-world/x-vrml");
			put(".xof", "x-world/x-vrml");
			put(".wrl", "x-world/x-vrml");
			put(".wrz", "x-world/x-vrml");

		}
	};

	/**
	 * 图片
	 */
	final public static Map<String, String> PICS = new HashMap<String, String>() {
		private static final long serialVersionUID = 1L; {

			// 常用图片
			put(".jpe", "image/jpeg");
			put(".jpeg", "image/jpeg");
			put(".jpg", "image/jpeg");
			put(".bmp", "image/bmp");
			put(".png", "image/png");
			put(".gif", "image/gif");

			// 不常用
			put(".jfif", "image/pjpeg");
			put(".dib", "image/bmp");
			put(".pnz", "image/png");
			put(".art", "image/x-jg");
			put(".cmx", "image/x-cmx");
			put(".ico", "image/x-icon");
			put(".ppm", "image/x-portable-pixmap");
			put(".mac", "image/x-macpaint");
			put(".pbm", "image/x-portable-bitmap");
			put(".pgm", "image/x-portable-graymap");
			put(".pnm", "image/x-portable-anymap");
			put(".pnt", "image/x-macpaint");
			put(".pntg", "image/x-macpaint");
			put(".qti", "image/x-quicktime");
			put(".qtif", "image/x-quicktime");
			put(".rgb", "image/x-rgb");
			put(".xwd", "image/x-xwindowdump");
			put(".ras", "image/x-cmu-raster");
			put(".xbm", "image/x-xbitmap");
			put(".xpm", "image/x-xpixmap");
			put(".cod", "image/cis-cod");
			put(".ief", "image/ief");
			put(".pct", "image/pict");
			put(".pic", "image/pict");
			put(".pict", "image/pict");
			put(".rf", "image/vnd.rn-realflash");
			put(".wbmp", "image/vnd.wap.wbmp");
			put(".wdp", "image/vnd.ms-photo");
			put(".tif", "image/tiff");
			put(".tiff", "image/tiff");
		}
	};

	/**
	 * 文档
	 */
	final public static Map<String, String> DOCS = new HashMap<String, String>() {
		private static final long serialVersionUID = 1L; {

			/** 常用  */ 

			// txt
			put(".txt", "text/plain");

			// css
			put(".css", "text/css");

			// html
			put(".htm", "text/html");
			put(".html", "text/html");
			put(".shtml", "text/html");

			// xml
			put(".wsdl", "text/xml");
			put(".xml", "text/xml");

			// pdf
			put(".pdf", "application/pdf");

			// ppt
			put(".ppt", "application/vnd.ms-powerpoint");
			put(".pptx", "application/vnd.openxmlformats-officedocument.presentationml.presentation");

			// doc
			put(".doc", "application/msword");
			put(".docx", "application/vnd.openxmlformats-officedocument.wordprocessingml.document");

			// excel
			put(".xlm", "application/vnd.ms-excel");
			put(".xlsx", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");

			// note
			put(".one", "application/onenote");

			// access
			put(".accdb", "application/msaccess");

			// visio
			put(".vsd", "application/vnd.visio");

			/** 不常用 */ 

			put(".323", "text/h323");
			put(".rqy", "text/x-ms-rqy");
			put(".rtx", "text/richtext");
			put(".rc", "text/plain");
			put(".XOML", "text/plain");
			put(".sln", "text/plain");
			put(".rgs", "text/plain");
			put(".pkgdef", "text/plain");
			put(".pkgundef", "text/plain");
			put(".sol", "text/plain");
			put(".sor", "text/plain");
			put(".srf", "text/plain");
			put(".xdr", "text/plain");
			put(".rc2", "text/plain");
			put(".rct", "text/plain");
			put(".s", "text/plain");
			put(".asm", "text/plain");
			put(".c", "text/plain");
			put(".cc", "text/plain");
			put(".cd", "text/plain");
			put(".def", "text/plain");
			put(".cxx", "text/plain");
			put(".cnf", "text/plain");
			put(".cpp", "text/plain");
			put(".cs", "text/plain");
			put(".csdproj", "text/plain");
			put(".csproj", "text/plain");
			put(".dbproj", "text/plain");
			put(".bas", "text/plain");
			put(".dsw", "text/plain");
			put(".inc", "text/plain");
			put(".hxx", "text/plain");
			put(".i", "text/plain");
			put(".idl", "text/plain");
			put(".inl", "text/plain");
			put(".lst", "text/plain");
			put(".jsxbin", "text/plain");
			put(".mak", "text/plain");
			put(".map", "text/plain");
			put(".h", "text/plain");
			put(".hpp", "text/plain");
			put(".ipproj", "text/plain");
			put(".mk", "text/plain");
			put(".odh", "text/plain");
			put(".odl", "text/plain");
			put(".tsv", "text/tab-separated-values");
			put(".uls", "text/iuls");
			put(".user", "text/plain");
			put(".tlh", "text/plain");
			put(".tli", "text/plain");
			put(".vb", "text/plain");
			put(".vbdproj", "text/plain");
			put(".vbproj", "text/plain");
			put(".vcs", "text/plain");
			put(".vddproj", "text/plain");
			put(".vdp", "text/plain");
			put(".vdproj", "text/plain");
			put(".vspscc", "text/plain");
			put(".vsscc", "text/plain");
			put(".vssscc", "text/plain");

			put(".hxt", "text/html");

			put(".vssettings", "text/xml");
			put(".vstemplate", "text/xml");
			put(".vml", "text/xml");
			put(".vsct", "text/xml");
			put(".vsixlangpack", "text/xml");
			put(".vsixmanifest", "text/xml");
			put(".exe.config", "text/xml");
			put(".disco", "text/xml");
			put(".dll.config", "text/xml");
			put(".AddIn", "text/xml");
			put(".dtd", "text/xml");
			put(".dtsConfig", "text/xml");
			put(".mno", "text/xml");
			put(".xrm-ms", "text/xml");
			put(".xsd", "text/xml");
			put(".xsf", "text/xml");
			put(".xsl", "text/xml");
			put(".xslt", "text/xml");
			put(".SSISDeploymentManifest", "text/xml");

			put(".iqy", "text/x-ms-iqy");
			put(".contact", "text/x-ms-contact");
			put(".etx", "text/x-setext");
			put(".hdml", "text/x-hdml");
			put(".htc", "text/x-component");
			put(".group", "text/x-ms-group");
			put(".vcf", "text/x-vcard");
			put(".odc", "text/x-ms-odc");
			put(".qht", "text/x-html-insertion");
			put(".qhtm", "text/x-html-insertion");

			put(".wml", "text/vnd.wap.wml");
			put(".wmls", "text/vnd.wap.wmlscript");

			put(".vbs", "text/vbscript");
			put(".jsx", "text/jscript");
			put(".sct", "text/scriptlet");
			put(".csv", "text/csv");

			put(".323", "text/h323");
			put(".dlm", "text/dlm");
			put(".htt", "text/webviewhtml");
			put(".wsc", "text/scriptlet");
			put(".sgml", "text/sgml");

			// ppt
			put(".pot", "application/vnd.ms-powerpoint");
			put(".ppa", "application/vnd.ms-powerpoint");
			put(".pwz", "application/vnd.ms-powerpoint");
			put(".pps", "application/vnd.ms-powerpoint");
			put(".sldm", "application/vnd.ms-powerpoint.slide.macroEnabled.12");
			put(".ppam", "application/vnd.ms-powerpoint.addin.macroEnabled.12");
			put(".potm", "application/vnd.ms-powerpoint.template.macroEnabled.12");
			put(".ppsm", "application/vnd.ms-powerpoint.slideshow.macroEnabled.12");
			put(".pptm", "application/vnd.ms-powerpoint.presentation.macroEnabled.12");
			put(".potx", "application/vnd.openxmlformats-officedocument.presentationml.template");
			put(".ppsx", "application/vnd.openxmlformats-officedocument.presentationml.slideshow");

			// doc
			put(".wbk", "application/msword");
			put(".wiz", "application/msword");
			put(".dot", "application/msword");
			put(".docm", "application/vnd.ms-word.document.macroEnabled.12");
			put(".dotm", "application/vnd.ms-word.template.macroEnabled.12");
			put(".dotx", "application/vnd.openxmlformats-officedocument.wordprocessingml.template");

			// excel
			put(".xla", "application/vnd.ms-excel");
			put(".xlc", "application/vnd.ms-excel");
			put(".xld", "application/vnd.ms-excel");
			put(".xlk", "application/vnd.ms-excel");
			put(".xll", "application/vnd.ms-excel");
			put(".xls", "application/vnd.ms-excel");
			put(".xlt", "application/vnd.ms-excel");
			put(".xlw", "application/vnd.ms-excel");
			put(".slk", "application/vnd.ms-excel");
			put(".xlam", "application/vnd.ms-excel.addin.macroEnabled.12");
			put(".xlsm", "application/vnd.ms-excel.sheet.macroEnabled.12");
			put(".xltm", "application/vnd.ms-excel.template.macroEnabled.12");
			put(".xlsb", "application/vnd.ms-excel.sheet.binary.macroEnabled.12");
			put(".xltx", "application/vnd.openxmlformats-officedocument.spreadsheetml.template");

			// access
			put(".accde", "application/msaccess");
			put(".accdt", "application/msaccess");
			put(".adp", "application/msaccess");
			put(".mda", "application/msaccess");
			put(".mde", "application/msaccess");
			put(".accda", "application/msaccess.addin");
			put(".accdc", "application/msaccess.cab");
			put(".accdr", "application/msaccess.runtime");
			put(".accdw", "application/msaccess.webapplication");
			put(".accft", "application/msaccess.ftemplate");
			put(".ade", "application/msaccess");

			// visio
			put(".thmx", "application/vnd.ms-officetheme");
			put(".vdx", "application/vnd.ms-visio.viewer");
			put(".vss", "application/vnd.visio");
			put(".vst", "application/vnd.visio");
			put(".vsw", "application/vnd.visio");
			put(".vsx", "application/vnd.visio");
			put(".vtx", "application/vnd.visio");

			// note类型文本
			put(".onea", "application/onenote");
			put(".onepkg", "application/onenote");
			put(".onetmp", "application/onenote");
			put(".onetoc", "application/onenote");
			put(".onetoc2", "application/onenote");

			// 其他
			put(".pko", "application/vnd.ms-pki.pko");
			put(".cat", "application/vnd.ms-pki.seccat");
			put(".sst", "application/vnd.ms-pki.certstore");
			put(".stl", "application/vnd.ms-pki.stl");
			put(".mpf", "application/vnd.ms-mediapackage");
			put(".mpp", "application/vnd.ms-project");
			put(".wpl", "application/vnd.ms-wpl");
			put(".wks", "application/vnd.ms-works");
			put(".wps", "application/vnd.ms-works");
			put(".wcm", "application/vnd.ms-works");
			put(".wdb", "application/vnd.ms-works");
			put(".calx", "application/vnd.ms-office.calx");
			put(".xps", "application/vnd.ms-xpsdocument");
			put(".odp", "application/vnd.oasis.opendocument.presentation");
			put(".odt", "application/vnd.oasis.opendocument.text");
			put(".rm", "application/vnd.rn-realmedia");
			put(".rmp", "application/vnd.rn-rn_music_package");
			put(".sldx", "application/vnd.openxmlformats-officedocument.presentationml.slide");
			put(".air", "application/vnd.adobe.air-application-installer-package+zip");
			put(".wmlsc", "application/vnd.wap.wmlscriptc");
			put(".wmlc", "application/vnd.wap.wmlc");

			put(".m13", "application/x-msmediaview");
			put(".m14", "application/x-msmediaview");
			put(".wmf", "application/x-msmetafile");
			put(".wri", "application/x-mswrite");
			put(".mdb", "application/x-msaccess");
			put(".wmd", "application/x-ms-wmd");
			put(".wmz", "application/x-ms-wmz");

		}
	};

	/**
	 * 压缩文档
	 */
	final public static Map<String, String> ZIPDOCS = new HashMap<String, String>() {
		private static final long serialVersionUID = 1L; {
			// 常用
			put(".7z", "application/x-7z-compressed");
			put(".z", "application/x-compress");
			put(".zip", "application/x-zip-compressed");
			put(".tgz", "application/x-compressed");
			put(".jar", "application/java-archive");

			// 不常用
		}
	};

	/**
	 * 视频
	 */
	final public static Map<String, String> VIDEOS = new HashMap<String, String>() {
		private static final long serialVersionUID = 1L; {
			// 常用
			put(".flv", "video/x-flv");
			put(".3gp", "video/3gpp");
			put(".avi", "video/x-msvideo");
			put(".mp4", "video/mp4");

			// 不常用
			put(".3g2", "video/3gpp2");
			put(".3gp2", "video/3gpp2");
			put(".3gpp", "video/3gpp");
			put(".asf", "video/x-ms-asf");
			put(".asr", "video/x-ms-asf");
			put(".asx", "video/x-ms-asf");
			put(".dif", "video/x-dv");
			put(".mod", "video/mpeg");
			put(".mov", "video/quicktime");
			put(".movie", "video/x-sgi-movie");
			put(".mp2", "video/mpeg");
			put(".mp2v", "video/mpeg");
			put(".dv", "video/x-dv");
			put(".IVF", "video/x-ivf");
			put(".lsf", "video/x-la-asf");
			put(".lsx", "video/x-la-asf");
			put(".m1v", "video/mpeg");
			put(".m2t", "video/vnd.dlna.mpeg-tts");
			put(".m2ts", "video/vnd.dlna.mpeg-tts");
			put(".m2v", "video/mpeg");
			put(".m4v", "video/x-m4v");
			put(".mp4v", "video/mp4");
			put(".mpa", "video/mpeg");
			put(".mpe", "video/mpeg");
			put(".mpeg", "video/mpeg");
			put(".wm", "video/x-ms-wm");
			put(".mpg", "video/mpeg");
			put(".mpv2", "video/mpeg");
			put(".mqv", "video/quicktime");
			put(".nsc", "video/x-ms-asf");
			put(".qt", "video/quicktime");
			put(".ts", "video/vnd.dlna.mpeg-tts");
			put(".vbk", "video/mpeg");
			put(".wmp", "video/x-ms-wmp");
			put(".wmv", "video/x-ms-wmv");
			put(".wmx", "video/x-ms-wmx");
			put(".wvx", "video/x-ms-wvx");
			put(".mts", "video/vnd.dlna.mpeg-tts");
			put(".tts", "video/vnd.dlna.mpeg-tts");
		}
	};

	/**
	 * 音频
	 */
	final public static Map<String, String> AUDIOS = new HashMap<String, String>() {
		private static final long serialVersionUID = 1L; {
			// 常用
			put(".mp3", "audio/mpeg");
			put(".wma", "audio/x-ms-wma");

			// 不常用
			put(".aa", "audio/audible");
			put(".AAC", "audio/aac");
			put(".aax", "audio/vnd.audible.aax");
			put(".ac3", "audio/ac3");
			put(".ADT", "audio/vnd.dlna.adts");
			put(".ADTS", "audio/aac");
			put(".aif", "audio/x-aiff");
			put(".aifc", "audio/aiff");
			put(".aiff", "audio/aiff");
			put(".cdda", "audio/aiff");
			put(".au", "audio/basic");
			put(".m3u", "audio/x-mpegurl");
			put(".m3u8", "audio/x-mpegurl");
			put(".m4a", "audio/m4a");
			put(".m4b", "audio/m4b");
			put(".m4p", "audio/m4p");
			put(".m4r", "audio/x-m4r");
			put(".caf", "audio/x-caf");
			put(".gsm", "audio/x-gsm");
			put(".mid", "audio/mid");
			put(".midi", "audio/mid");
			put(".pls", "audio/scpls");
			put(".ra", "audio/x-pn-realaudio");
			put(".ram", "audio/x-pn-realaudio");
			put(".rmi", "audio/mid");
			put(".rpm", "audio/x-pn-realaudio-plugin");
			put(".sd2", "audio/x-sd2");
			put(".smd", "audio/x-smd");
			put(".smx", "audio/x-smd");
			put(".smz", "audio/x-smd");
			put(".snd", "audio/basic");
			put(".wav", "audio/wav");
			put(".wave", "audio/wav");
			put(".wax", "audio/x-ms-wax");
		}
	};

}

　　继续维护并补充中，如果有遗漏，请联系补充。

原文地址：https://www.cnblogs.com/yuchuan/p/File_ContentType_Util.html