各类文件的文件头标志1、从Ultra－edit-32中提取出来的JPEG (jpg)，文件头：FFD8FFPNG (png)，文件头：89504E47GIF (gif)，文件头：47494638TIFF (tif)，文件头：49492A00Windows Bitmap (bmp)，文件头：424DCAD (dwg)，文件头：41433130Adobe Photoshop (psd)，文件头：38425053Rich Text Format (rtf)，文件头：7B5C727466XML (xml)，文件头：3C3F786D6CHTML (html)，文件头：68746D6C3EEmail [thorough only] (eml)，文件头：44656C69766572792D646174653A Outlook Express (dbx)，文件头：CFAD12FEC5FD746FOutlook (pst)，文件头：2142444EMS Word/Excel (xls.or.doc)，文件头：D0CF11E0MS Access (mdb)，文件头：5374616E64617264204AWordPerfect (wpd)，文件头：FF575043Postscript (eps.or.ps)，文件头：252150532D41646F6265Adobe Acrobat (pdf)，文件头：255044462D312EQuicken (qdf)，文件头：AC9EBD8FWindows Password (pwl)，文件头：E3828596ZIP Archive (zip)，文件头：504B0304RAR Archive (rar)，文件头：52617221Wave (wav)，文件头：57415645AVI (avi)，文件头：41564920Real Audio (ram)，文件头：2E7261FDReal Media (rm)，文件头：2E524D46MPEG (mpg)，文件头：000001BAMPEG (mpg)，文件头：000001B3Quicktime (mov)，文件头：6D6F6F76Windows Media (asf)，文件头：3026B2758E66CF11 MIDI (mid)，文件头：4D5468642、从winhex中取出的文件头列表File Type ExtensionsHeaderJPEG jpg;jpeg 0xFFD8FFPNG png 0x89504E470D0A1A0AGIF gif GIF8TIFF tif;tiff 0x49492A00TIFF tif;tiff 0x4D4D002ABit map bmp BMAOL ART art 0x4A47040E000000AOL ART art 0x4A47030E000000PC Paintbrush pcx 0x0A050108Graphics Metafile wmf 0xD7CDC69AGraphics Metafile wmf 0x01000900Graphics Metafile wmf 0x02000900Enhanced Metafile emf 0x0100000058000000Corel Draw cdr CDRCAD dwg 0x41433130Adobe Photoshop psd 8BPSRich Text Format rtf rtfXML xmlHTML html;htm;php;php3;php4;phtml;shtml typeEmail eml Delivery-date:Outlook Express dbx 0xCFAD12FEOutlookpst!BDNMS Office/OLE2 doc;xls;dot;ppt;xla;ppa;pps;pot;msi;sdw;db 0xD0CF11E0A1B11AE1MS Access mdb;mda;mde;mdt Standard JWordPerfect wpd 0xFF575043OpenOffice Writer sxw writerOpenOffice Calc sxc calcOpenOffice Math sxm mathOpenOffice Impress sxi impressOpenOffice Draw sxd drawAdobe FrameMaker fm <MAKERFILEPostScript eps.or.ps;ps;eps %!PS-AdobeAdobe Acrobat pdf %PDF-1.Quicken qdf 0xAC9EBD8FQuickBooks Backup qbb 0x458600000600Sage sly.or.srt.or.slt;sly;srt;slt 0x53520100Sage Backup 1 SAGEBACKUPLotus WordPro v9 lwp 0x576F726450726FLotus 123 v9 123 0x00001A00051004Lotus 123 v5 wk4 0x00001A0002100400Lotus 123 v3 wk3 0x00001A0000100400Lotus 123 v1 wk1 0x2000604060Windows Password pwl 0xE3828596ZIP Archive zip;jar 0x504B0304ZIP Archive (outdated) zip 0x504B3030RAR Archive rar Rar!GZ Archive gz;tgz 0x1F8B08BZIP Archive bz2 BZhARJ Archive arj 0x60EA7-ZIP Archive 7z 7z集'Wave wav WAVEAVI avi AVIReal Audio ram;ra .ra?0Real Media rm .RMFMPEG mpg;mpeg 0x000001BAMPEG mpg;mpeg 0x000001B3Quicktime mov moovWindows Media asf 0x3026B2758E66CF11MIDI mid MThdWin32 Executable exe;dll;drv;vxd;sys;ocx;vbx MZWin16 Executable exe;dll;drv;vxd;sys;ocx;vbx MZELF Executable elf;; 0x7F454C4601010100各种文件类型文件头标志位详细列表FFD8FFFE00, .JPEG;.JPE;.JPG, "JPG Graphic File"FFD8FFE000, .JPEG;.JPE;.JPG, "JPG Graphic File"474946383961, .gif, "GIF 89A"474946383761, .gif, "GIF 87A"424D, .bmp, "Windows Bitmap"4D5A, .exe;.com;.386;.ax;.acm;.sys;.dll;.drv;.flt;.fon;.ocx;.scr;.lrc;.v xd;.cpl;.x32, "Executable File"504B0304, .zip, "Zip Compressed"3A42617365, .cnt, ""D0CF11E0A1B11AE1, .doc;.xls;.xlt;.ppt;.apr, "MS Compound Document v1 or Lotus Approach APR file"0100000058000000, .emf, ""03000000C466C456, .evt, ""3F5F0300, .gid;.hlp;.lhp, "Windows Help File"1F8B08, .gz, "GZ Compressed File"28546869732066696C65, .hqx, ""0000010000, .ico, "Icon File"4C000000011402, .lnk, "Windows Link File"25504446, .pdf, "Adobe PDF File"5245474544495434, .reg, ""7B5C727466, .rtf, "Rich Text Format File"lh, .lzh, "Lz compression file"MThd, .mid, ""0A050108, .pcx, ""25215053, .eps, "Adobe EPS File"2112, .ain, "AIN Archive File"1A02, .arc, "ARC/PKPAK Compressed 1"1A03, .arc, "ARC/PKPAK Compressed 2"1A04, .arc, "ARC/PKPAK Compressed 3"1A08, .arc, "ARC/PKPAK Compressed 4"1A09, .arc, "ARC/PKPAK Compressed 5"60EA, .arj, "ARJ Compressed"41564920, .avi, "Audio Video Interleave (AVI)"425A68, .bz;.bz2, "Bzip Archive"49536328, .cab, "Cabinet File"4C01, .obj, "Compiled Object Module"303730373037, .tar;.cpio, "CPIO Archive File" 4352555348, .cru;.crush, "CRUSH Archive File"3ADE68B1, .dcx, "DCX Graphic File"1F8B, .gz;.tar;.tgz, "Gzip Archive File"91334846, .hap, "HAP Archive File"3C68746D6C3E, .htm;.html, "HyperText Markup Language 1" 3C48544D4C3E, .htm;.html, "HyperText Markup Language 2" 3C21444F4354, .htm;.html, "HyperText Markup Language 3"100, .ico, "ICON File"5F27A889, .jar, "JAR Archive File"2D6C68352D, .lha, "LHA Compressed"20006040600, .wk1;.wks, "Lotus 123 v1 Worksheet"00001A0007800100, .fm3, "Lotus 123 v3 FMT file"00001A0000100400, .wk3, "Lotus 123 v3 Worksheet" 20006800200, .fmt, "Lotus 123 v4 FMT file"00001A0002100400, .wk4, "Lotus 123 v5"5B7665725D, .ami, "Lotus Ami Pro"300000041505052, .adx, "Lotus Approach ADX file"1A0000030000, .nsf;.ntf, "Lotus Notes Database/Template" 4D47582069747064, .ds4, "Micrografix Designer 4"4D534346, .cab, "Microsoft CAB File Format"4D546864, .mid, "Midi Audio File"000001B3, .mpg;.mpeg, "MPEG Movie"0902060000001000B9045C00, .xls, "MS Excel v2" 0904060000001000F6055C00, .xls, "MS Excel v4"7FFE340A, .doc, "MS Word"1234567890FF, .doc, "MS Word 6.0"31BE000000AB0000, .doc, "MS Word for DOS 6.0"1A00000300001100, .nsf, "Notes Database"7E424B00, .psp, "PaintShop Pro Image File"504B0304, .zip, "PKZIP Compressed"89504E470D0A, .png, "PNG Image File"6D646174, .mov, "QuickTime Movie"6D646174, .qt, "Quicktime Movie File"52617221, .rar, "RAR Archive File"2E7261FD, .ra;.ram, "Real Audio File"EDABEEDB, .rpm, "RPM Archive File"2E736E64, .au, "SoundMachine Audio File"53495421, .sit, "Stuffit v1 Archive File"53747566664974, .sit, "Stuffit v5 Archive File"1F9D, .z, "TAR Compressed Archive File"49492A, .tif;.tiff, "TIFF (Intel)"4D4D2A, .tif;.tiff, "TIFF (Motorola)"554641, .ufa, "UFA Archive File"57415645666D74, .wav, "Wave Files"D7CDC69A, .wmf, "Windows Meta File"4C000000, .lnk, "Windows Shortcut (Link File)"504B3030504B0304, .zip, "WINZIP Compressed"FF575047, .wpg, "WordPerfect Graphics"FF575043, .wp, "WordPerfect v5 or v6"3C3F786D6C, .xml, "XML Document"FFFE3C0052004F004F0054005300540055004200, .xml, "XML Document (ROOTSTUB)" 3C21454E54495459, .dtd, "XML DTD"5A4F4F20, .zoo, "ZOO Archive File"通过文件头标识判断图片格式最近在做东西的时候遇到了点问题，在加载图片的时候，加载失败，后缀都是jpg格式，但换个图片就可以了，为此，怀疑图片格式有问题，遂拖到UE里面查看它的16进制，果然，两个图片的文件头根本就不一样，这不是欺负人嘛，害我白白浪费了半天的时间，差点要重新编译内核。