关于网络传输文件乱码等问题(下载)
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在网络进行文件传输时,尤其是做文件下载功能时,经常遇到文件乱码等问题,此问题通常是因为response的header头设置错误

1、下载文件需要指定文件名时,header头添加:

   Content-Disposition:attachment; filename=文件名
2、下载文件乱码时,header头添加:
    Content-Type:application/
vnd.ms-excel 红色部分为文件格式,具体格式表参考如下
    'hqx' => 'application/mac-binhex40',
   'cpt' => 'application/mac-compactpro',
   'doc' => 'application/msword',
   'bin' => 'application/octet-stream',
   'dms' => 'application/octet-stream',
   'lha' => 'application/octet-stream',
   'lzh' => 'application/octet-stream',
   'exe' => 'application/octet-stream',
   'class' => 'application/octet-stream',
   'so' => 'application/octet-stream',
   'dll' => 'application/octet-stream',
   'oda' => 'application/oda',
   'pdf' => 'application/pdf',
   'ai' => 'application/postscript',
   'eps' => 'application/postscript',
   'ps' => 'application/postscript',
   'smi' => 'application/smil',
   'smil' => 'application/smil',
   'mif' => 'application/vnd.mif',
   'xls' => 'application/vnd.ms-excel',
   'ppt' => 'application/vnd.ms-powerpoint',
   'wbxml' => 'application/vnd.wap.wbxml',
   'wmlc' => 'application/vnd.wap.wmlc',
   'wmlsc' => 'application/vnd.wap.wmlscriptc',
   'bcpio' => 'application/x-bcpio',
   'vcd' => 'application/x-cdlink',
   'pgn' => 'application/x-chess-pgn',
   'cpio' => 'application/x-cpio',
   'csh' => 'application/x-csh',
   'dcr' => 'application/x-director',
   'dir' => 'application/x-director',
   'dxr' => 'application/x-director',
   'dvi' => 'application/x-dvi',
   'spl' => 'application/x-futuresplash',
   'gtar' => 'application/x-gtar',
   'hdf' => 'application/x-hdf',
   'js' => 'application/x-javascript',
   'skp' => 'application/x-koan',
   'skd' => 'application/x-koan',
   'skt' => 'application/x-koan',
   'skm' => 'application/x-koan',
   'latex' => 'application/x-latex',
   'nc' => 'application/x-netcdf',
   'cdf' => 'application/x-netcdf',
   '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',
   'texinfo' => 'application/x-texinfo',
   'texi' => 'application/x-texinfo',
   't' => 'application/x-troff',
   'tr' => 'application/x-troff',
   'roff' => 'application/x-troff',
   'man' => 'application/x-troff-man',
   'me' => 'application/x-troff-me',
   'ms' => 'application/x-troff-ms',
   'ustar' => 'application/x-ustar',
   'src' => 'application/x-wais-source',
   'xhtml' => 'application/xhtml+xml',
   'xht' => 'application/xhtml+xml',
   'zip' => 'application/zip',
   'au' => 'audio/basic',
   'snd' => 'audio/basic',
   'mid' => 'audio/midi',
   'midi' => 'audio/midi',
   'kar' => 'audio/midi',
   'mpga' => 'audio/mpeg',
'mp2' => 'audio/mpeg',
'mp3' => 'audio/mpeg',
'aif' => 'audio/x-aiff',
'aiff' => 'audio/x-aiff',
'aifc' => 'audio/x-aiff',
'm3u' => 'audio/x-mpegurl',
'ram' => 'audio/x-pn-realaudio',
'rm' => 'audio/x-pn-realaudio',
'rpm' => 'audio/x-pn-realaudio-plugin',
'ra' => 'audio/x-realaudio',
'wav' => 'audio/x-wav',
'pdb' => 'chemical/x-pdb',
'xyz' => 'chemical/x-xyz',
'bmp' => 'image/bmp',
'gif' => 'image/gif',
'ief' => 'image/ief',
'jpeg' => 'image/jpeg',
'jpg' => 'image/jpeg',
'jpe' => 'image/jpeg',
'png' => 'image/png',
'tiff' => 'image/tiff',
'tif' => 'image/tiff',
'djvu' => 'image/vnd.djvu',
'djv' => 'image/vnd.djvu',
'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',
'igs' => 'model/iges',
'iges' => 'model/iges',
'msh' => 'model/mesh',
'mesh' => 'model/mesh',
'silo' => 'model/mesh',
'wrl' => 'model/vrml',
'vrml' => 'model/vrml',
'css' => 'text/css',
'html' => 'text/html',
'htm' => 'text/html',
'asc' => 'text/plain',
'txt' => 'text/plain',
'rtx' => 'text/richtext',
'rtf' => 'text/rtf',
'sgml' => 'text/sgml',
'sgm' => 'text/sgml',
'tsv' => 'text/tab-separated-values',
'wml' => 'text/vnd.wap.wml',
'wmls' => 'text/vnd.wap.wmlscript',
'etx' => 'text/x-setext',
'xsl' => 'text/xml',
'xml' => 'text/xml',
'mpeg' => 'video/mpeg',
'mpg' => 'video/mpeg',
'mpe' => 'video/mpeg',
'qt' => 'video/quicktime',
'mov' => 'video/quicktime',
'mxu' => 'video/vnd.mpegurl',
'avi' => 'video/x-msvideo',
'movie' => 'video/x-sgi-movie',
'ice' => 'x-conference/x-cooltalk',


打印避免table行分页,割裂,css
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