515fceeb
 “wangming”
框架初始化
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using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Yi.Framework.Core.Enums;
namespace Yi.Framework.Core.Helper
{
public static class MimeHelper
{
// 通过自己定义一个静态类
// 将所有的Content Type都扔进去吧
// 调用的时候直接调用静态方法即可。
public static List<string> ImageType { get; set; } = new List<string>
{
".jpg",".png",".jpeg"
};
private static Hashtable _mimeMappingTable;
private static void AddMimeMapping(string extension, string MimeType)
{
_mimeMappingTable.Add(extension, MimeType);
}
public static string GetMimeMapping(string FileName)
{
string text = null!;
int num = FileName.LastIndexOf('.');
if (0 < num && num > FileName.LastIndexOf('\\'))
{
text = (string)_mimeMappingTable[FileName.Substring(num)]!;
}
if (text == null)
{
text = (string)_mimeMappingTable[".*"]!;
}
return text;
}
public static FileTypeEnum GetFileType(string fileName)
{
var extension = Path.GetExtension(fileName);
if (ImageType.Contains(extension.ToLower()))
return FileTypeEnum.image;
return FileTypeEnum.file;
}
static MimeHelper()
{
_mimeMappingTable = new Hashtable(190, StringComparer.CurrentCultureIgnoreCase);
AddMimeMapping(".323", "text/h323");
AddMimeMapping(".asx", "video/x-ms-asf");
AddMimeMapping(".acx", "application/internet-property-stream");
AddMimeMapping(".ai", "application/postscript");
AddMimeMapping(".aif", "audio/x-aiff");
AddMimeMapping(".aiff", "audio/aiff");
AddMimeMapping(".axs", "application/olescript");
AddMimeMapping(".aifc", "audio/aiff");
AddMimeMapping(".asr", "video/x-ms-asf");
AddMimeMapping(".avi", "video/x-msvideo");
AddMimeMapping(".asf", "video/x-ms-asf");
AddMimeMapping(".au", "audio/basic");
AddMimeMapping(".application", "application/x-ms-application");
AddMimeMapping(".bin", "application/octet-stream");
AddMimeMapping(".bas", "text/plain");
AddMimeMapping(".bcpio", "application/x-bcpio");
AddMimeMapping(".bmp", "image/bmp");
AddMimeMapping(".cdf", "application/x-cdf");
AddMimeMapping(".cat", "application/vndms-pkiseccat");
AddMimeMapping(".crt", "application/x-x509-ca-cert");
AddMimeMapping(".c", "text/plain");
AddMimeMapping(".css", "text/css");
AddMimeMapping(".cer", "application/x-x509-ca-cert");
AddMimeMapping(".crl", "application/pkix-crl");
AddMimeMapping(".cmx", "image/x-cmx");
AddMimeMapping(".csh", "application/x-csh");
AddMimeMapping(".cod", "image/cis-cod");
AddMimeMapping(".cpio", "application/x-cpio");
AddMimeMapping(".clp", "application/x-msclip");
AddMimeMapping(".crd", "application/x-mscardfile");
AddMimeMapping(".deploy", "application/octet-stream");
AddMimeMapping(".dll", "application/x-msdownload");
AddMimeMapping(".dot", "application/msword");
AddMimeMapping(".doc", "application/msword");
AddMimeMapping(".dvi", "application/x-dvi");
AddMimeMapping(".dir", "application/x-director");
AddMimeMapping(".dxr", "application/x-director");
AddMimeMapping(".der", "application/x-x509-ca-cert");
AddMimeMapping(".dib", "image/bmp");
AddMimeMapping(".dcr", "application/x-director");
AddMimeMapping(".disco", "text/xml");
AddMimeMapping(".exe", "application/octet-stream");
AddMimeMapping(".etx", "text/x-setext");
AddMimeMapping(".evy", "application/envoy");
AddMimeMapping(".eml", "message/rfc822");
AddMimeMapping(".eps", "application/postscript");
AddMimeMapping(".flr", "x-world/x-vrml");
AddMimeMapping(".fif", "application/fractals");
AddMimeMapping(".gtar", "application/x-gtar");
AddMimeMapping(".gif", "image/gif");
AddMimeMapping(".gz", "application/x-gzip");
AddMimeMapping(".hta", "application/hta");
AddMimeMapping(".htc", "text/x-component");
AddMimeMapping(".htt", "text/webviewhtml");
AddMimeMapping(".h", "text/plain");
AddMimeMapping(".hdf", "application/x-hdf");
AddMimeMapping(".hlp", "application/winhlp");
AddMimeMapping(".html", "text/html");
AddMimeMapping(".htm", "text/html");
AddMimeMapping(".hqx", "application/mac-binhex40");
AddMimeMapping(".isp", "application/x-internet-signup");
AddMimeMapping(".iii", "application/x-iphone");
AddMimeMapping(".ief", "image/ief");
AddMimeMapping(".ivf", "video/x-ivf");
AddMimeMapping(".ins", "application/x-internet-signup");
AddMimeMapping(".ico", "image/x-icon");
AddMimeMapping(".jpg", "image/jpeg");
AddMimeMapping(".jfif", "image/pjpeg");
AddMimeMapping(".jpe", "image/jpeg");
AddMimeMapping(".jpeg", "image/jpeg");
AddMimeMapping(".js", "application/x-javascript");
AddMimeMapping(".lsx", "video/x-la-asf");
AddMimeMapping(".latex", "application/x-latex");
AddMimeMapping(".lsf", "video/x-la-asf");
AddMimeMapping(".manifest", "application/x-ms-manifest");
AddMimeMapping(".mhtml", "message/rfc822");
AddMimeMapping(".mny", "application/x-msmoney");
AddMimeMapping(".mht", "message/rfc822");
AddMimeMapping(".mid", "audio/mid");
AddMimeMapping(".mpv2", "video/mpeg");
AddMimeMapping(".man", "application/x-troff-man");
AddMimeMapping(".mvb", "application/x-msmediaview");
AddMimeMapping(".mpeg", "video/mpeg");
AddMimeMapping(".m3u", "audio/x-mpegurl");
AddMimeMapping(".mdb", "application/x-msaccess");
AddMimeMapping(".mpp", "application/vnd.ms-project");
AddMimeMapping(".m1v", "video/mpeg");
AddMimeMapping(".mpa", "video/mpeg");
AddMimeMapping(".me", "application/x-troff-me");
AddMimeMapping(".m13", "application/x-msmediaview");
AddMimeMapping(".movie", "video/x-sgi-movie");
AddMimeMapping(".m14", "application/x-msmediaview");
AddMimeMapping(".mpe", "video/mpeg");
AddMimeMapping(".mp2", "video/mpeg");
AddMimeMapping(".mov", "video/quicktime");
AddMimeMapping(".mp3", "audio/mpeg");
AddMimeMapping(".mpg", "video/mpeg");
AddMimeMapping(".ms", "application/x-troff-ms");
AddMimeMapping(".nc", "application/x-netcdf");
AddMimeMapping(".nws", "message/rfc822");
AddMimeMapping(".oda", "application/oda");
AddMimeMapping(".ods", "application/oleobject");
AddMimeMapping(".pmc", "application/x-perfmon");
AddMimeMapping(".p7r", "application/x-pkcs7-certreqresp");
AddMimeMapping(".p7b", "application/x-pkcs7-certificates");
AddMimeMapping(".p7s", "application/pkcs7-signature");
AddMimeMapping(".pmw", "application/x-perfmon");
AddMimeMapping(".ps", "application/postscript");
AddMimeMapping(".p7c", "application/pkcs7-mime");
AddMimeMapping(".pbm", "image/x-portable-bitmap");
AddMimeMapping(".ppm", "image/x-portable-pixmap");
AddMimeMapping(".pub", "application/x-mspublisher");
AddMimeMapping(".pnm", "image/x-portable-anymap");
AddMimeMapping(".png", "image/png");
AddMimeMapping(".pml", "application/x-perfmon");
AddMimeMapping(".p10", "application/pkcs10");
AddMimeMapping(".pfx", "application/x-pkcs12");
AddMimeMapping(".p12", "application/x-pkcs12");
AddMimeMapping(".pdf", "application/pdf");
AddMimeMapping(".pps", "application/vnd.ms-powerpoint");
AddMimeMapping(".p7m", "application/pkcs7-mime");
AddMimeMapping(".pko", "application/vndms-pkipko");
AddMimeMapping(".ppt", "application/vnd.ms-powerpoint");
AddMimeMapping(".pmr", "application/x-perfmon");
AddMimeMapping(".pma", "application/x-perfmon");
AddMimeMapping(".pot", "application/vnd.ms-powerpoint");
AddMimeMapping(".prf", "application/pics-rules");
AddMimeMapping(".pgm", "image/x-portable-graymap");
AddMimeMapping(".qt", "video/quicktime");
AddMimeMapping(".ra", "audio/x-pn-realaudio");
AddMimeMapping(".rgb", "image/x-rgb");
AddMimeMapping(".ram", "audio/x-pn-realaudio");
AddMimeMapping(".rmi", "audio/mid");
AddMimeMapping(".ras", "image/x-cmu-raster");
AddMimeMapping(".roff", "application/x-troff");
AddMimeMapping(".rtf", "application/rtf");
AddMimeMapping(".rtx", "text/richtext");
AddMimeMapping(".sv4crc", "application/x-sv4crc");
AddMimeMapping(".spc", "application/x-pkcs7-certificates");
AddMimeMapping(".setreg", "application/set-registration-initiation");
AddMimeMapping(".snd", "audio/basic");
AddMimeMapping(".stl", "application/vndms-pkistl");
AddMimeMapping(".setpay", "application/set-payment-initiation");
AddMimeMapping(".stm", "text/html");
AddMimeMapping(".shar", "application/x-shar");
AddMimeMapping(".sh", "application/x-sh");
AddMimeMapping(".sit", "application/x-stuffit");
AddMimeMapping(".spl", "application/futuresplash");
AddMimeMapping(".sct", "text/scriptlet");
AddMimeMapping(".scd", "application/x-msschedule");
AddMimeMapping(".sst", "application/vndms-pkicertstore");
AddMimeMapping(".src", "application/x-wais-source");
AddMimeMapping(".sv4cpio", "application/x-sv4cpio");
AddMimeMapping(".tex", "application/x-tex");
AddMimeMapping(".tgz", "application/x-compressed");
AddMimeMapping(".t", "application/x-troff");
AddMimeMapping(".tar", "application/x-tar");
AddMimeMapping(".tr", "application/x-troff");
AddMimeMapping(".tif", "image/tiff");
AddMimeMapping(".txt", "text/plain");
AddMimeMapping(".texinfo", "application/x-texinfo");
AddMimeMapping(".trm", "application/x-msterminal");
AddMimeMapping(".tiff", "image/tiff");
AddMimeMapping(".tcl", "application/x-tcl");
AddMimeMapping(".texi", "application/x-texinfo");
AddMimeMapping(".tsv", "text/tab-separated-values");
AddMimeMapping(".ustar", "application/x-ustar");
AddMimeMapping(".uls", "text/iuls");
AddMimeMapping(".vcf", "text/x-vcard");
AddMimeMapping(".wps", "application/vnd.ms-works");
AddMimeMapping(".wav", "audio/wav");
AddMimeMapping(".wrz", "x-world/x-vrml");
AddMimeMapping(".wri", "application/x-mswrite");
AddMimeMapping(".wks", "application/vnd.ms-works");
AddMimeMapping(".wmf", "application/x-msmetafile");
AddMimeMapping(".wcm", "application/vnd.ms-works");
AddMimeMapping(".wrl", "x-world/x-vrml");
AddMimeMapping(".wdb", "application/vnd.ms-works");
AddMimeMapping(".wsdl", "text/xml");
AddMimeMapping(".xap", "application/x-silverlight-app");
AddMimeMapping(".xml", "text/xml");
AddMimeMapping(".xlm", "application/vnd.ms-excel");
AddMimeMapping(".xaf", "x-world/x-vrml");
AddMimeMapping(".xla", "application/vnd.ms-excel");
AddMimeMapping(".xls", "application/vnd.ms-excel");
AddMimeMapping(".xlsx", "application/vnd.ms-excel");
AddMimeMapping(".xof", "x-world/x-vrml");
AddMimeMapping(".xlt", "application/vnd.ms-excel");
AddMimeMapping(".xlc", "application/vnd.ms-excel");
AddMimeMapping(".xsl", "text/xml");
AddMimeMapping(".xbm", "image/x-xbitmap");
AddMimeMapping(".xlw", "application/vnd.ms-excel");
AddMimeMapping(".xpm", "image/x-xpixmap");
AddMimeMapping(".xwd", "image/x-xwindowdump");
AddMimeMapping(".xsd", "text/xml");
AddMimeMapping(".z", "application/x-compress");
AddMimeMapping(".zip", "application/x-zip-compressed");
AddMimeMapping(".*", "application/octet-stream");
}
}
}
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