php的header函数之设置content-type

1. //定义编码
2. header( 'Content-Type:text/html;charset=utf-8 ');
3. //Atom
4. header('Content-type: application/atom+xml');
5. //CSS
6. header('Content-type: text/css');
7. //Javascript
8. header('Content-type: text/javascript');
9. //JPEG Image
10. header('Content-type: image/jpeg');
11. //JSON
12. header('Content-type: application/json');
13. //PDF
14. header('Content-type: application/pdf');
15. //RSS
16. header('Content-Type: application/rss+xml; charset=ISO-8859-1');
17. //Text (Plain)
18. header('Content-type: text/plain');
19. //XML
20. header('Content-type: text/xml');
21. // ok
22. header('HTTP/1.1 200 OK');
23. //设置一个404头:
24. header('HTTP/1.1 404 Not Found');
25. //设置地址被永久的重定向
26. header('HTTP/1.1 301 Moved Permanently');
27. //转到一个新地址
28. header('Location: http://www.example.org/');
29. //文件延迟转向:
30. header('Refresh: 10; url=http://www.example.org/');
31. print 'You will be redirected in 10 seconds';
32. //当然，也可以使用html语法实现
33. // <meta http-equiv="refresh" content="10;http://www.example.org/ />
34. // override X-Powered-By: PHP:
35. header('X-Powered-By: PHP/4.4.0');
36. header('X-Powered-By: Brain/0.6b');
37. //文档语言
38. header('Content-language: en');
39. //告诉浏览器最后一次修改时间
40. $time = time() - 60; // or filemtime($fn), etc
41. header('Last-Modified: '.gmdate('D, d M Y H:i:s', $time).' GMT');
42. //告诉浏览器文档内容没有发生改变
43. header('HTTP/1.1 304 Not Modified');
44. //设置内容长度
45. header('Content-Length: 1234');
46. //设置为一个下载类型
47. header('Content-Type: application/octet-stream');
48. header('Content-Disposition: attachment; filename="example.zip"');
49. header('Content-Transfer-Encoding: binary');
50. // load the file to send:
51. readfile('example.zip');
52. // 对当前文档禁用缓存
53. header('Cache-Control: no-cache, no-store, max-age=0, must-revalidate');
54. header('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the past
55. header('Pragma: no-cache');
56. //设置内容类型:
57. header('Content-Type: text/html; charset=iso-8859-1');
58. header('Content-Type: text/html; charset=utf-8');
59. header('Content-Type: text/plain'); //纯文本格式
60. header('Content-Type: image/jpeg'); //JPG***
61. header('Content-Type: application/zip'); // ZIP文件
62. header('Content-Type: application/pdf'); // PDF文件
63. header('Content-Type: audio/mpeg'); // 音频文件
64. header('Content-Type: application/x-shockw**e-flash'); //Flash动画
65. //显示登陆对话框
66. header('HTTP/1.1 401 Unauthorized');
67. header('WWW-Authenticate: Basic realm="Top Secret"');
68. print 'Text that will be displayed if the user hits cancel or ';
69. print 'enters wrong login data';

  1 Content-type 的说明
  2 
  3 $mimetypes = array(
  4  'ez' => 'application/andrew-inset',
  5  'hqx' => 'application/mac-binhex40',
  6  'cpt' => 'application/mac-compactpro',
  7  'doc' => 'application/msword',
  8  'bin' => 'application/octet-stream',
  9  'dms' => 'application/octet-stream',
 10  'lha' => 'application/octet-stream', 
 11  'lzh' => 'application/octet-stream',
 12  'exe' => 'application/octet-stream',
 13  'class' => 'application/octet-stream',
 14  'so' => 'application/octet-stream',
 15  'dll' => 'application/octet-stream',
 16  'oda' => 'application/oda',
 17  'pdf' => 'application/pdf',
 18  'ai' => 'application/postscript',
 19  'eps' => 'application/postscript',
 20  'ps' => 'application/postscript',
 21  'smi' => 'application/smil',
 22  'smil' => 'application/smil', 
 23 
 24  'mif' => 'application/vnd.mif',
 25  'xls' => 'application/vnd.ms-excel',
 26  'ppt' => 'application/vnd.ms-powerpoint',
 27  'wbxml' => 'application/vnd.wap.wbxml',
 28  'wmlc' => 'application/vnd.wap.wmlc',
 29  'wmlsc' => 'application/vnd.wap.wmlscriptc',
 30  'bcpio' => 'application/x-bcpio',
 31  'vcd' => 'application/x-cdlink',
 32  'pgn' => 'application/x-chess-pgn',
 33  'cpio' => 'application/x-cpio',
 34  'csh' => 'application/x-csh',
 35 
 36 'dcr' => 'application/x-director',
 37  'dir' => 'application/x-director',
 38  'dxr' => 'application/x-director',
 39  'dvi' => 'application/x-dvi',
 40  'spl' => 'application/x-futuresplash',
 41  'gtar' => 'application/x-gtar',
 42  'hdf' => 'application/x-hdf',
 43  'js' => 'application/x-javascript',
 44  'skp' => 'application/x-koan',
 45  'skd' => 'application/x-koan',
 46  'skt' => 'application/x-koan',
 47  'skm' => 'application/x-koan', 
 48  'latex' => 'application/x-latex',
 49  'nc' => 'application/x-netcdf',
 50  'cdf' => 'application/x-netcdf',
 51  'sh' => 'application/x-sh',
 52  'shar' => 'application/x-shar',
 53  'swf' => 'application/x-shockwave-flash',
 54  'sit' => 'application/x-stuffit',
 55  'sv4cpio' => 'application/x-sv4cpio',
 56  'sv4crc' => 'application/x-sv4crc',
 57  'tar' => 'application/x-tar',
 58  'tcl' => 'application/x-tcl',
 59  'tex' => 'application/x-tex', 
 60  'texinfo' => 'application/x-texinfo',
 61  'texi' => 'application/x-texinfo',
 62  't' => 'application/x-troff',
 63  'tr' => 'application/x-troff',
 64  'roff' => 'application/x-troff',
 65  'man' => 'application/x-troff-man',
 66  'me' => 'application/x-troff-me',
 67  'ms' => 'application/x-troff-ms',
 68  'ustar' => 'application/x-ustar',
 69  'src' => 'application/x-wais-source',
 70  'xhtml' => 'application/xhtml+xml',
 71  'xht' => 'application/xhtml+xml', 
 72  'zip' => 'application/zip',
 73  'au' => 'audio/basic',
 74  'snd' => 'audio/basic',
 75  'mid' => 'audio/midi',
 76  'midi' => 'audio/midi',
 77  'kar' => 'audio/midi',
 78  'mpga' => 'audio/mpeg',
 79  'mp2' => 'audio/mpeg',
 80  'mp3' => 'audio/mpeg',
 81  'aif' => 'audio/x-aiff',
 82  'aiff' => 'audio/x-aiff',
 83  'aifc' => 'audio/x-aiff',
 84  'm3u' => 'audio/x-mpegurl', 
 85  'ram' => 'audio/x-pn-realaudio',
 86  'rm' => 'audio/x-pn-realaudio',
 87  'rpm' => 'audio/x-pn-realaudio-plugin',
 88  'ra' => 'audio/x-realaudio',
 89  'wav' => 'audio/x-wav',
 90  'pdb' => 'chemical/x-pdb',
 91  'xyz' => 'chemical/x-xyz',
 92  'bmp' => 'image/bmp',
 93  'gif' => 'image/gif',
 94  'ief' => 'image/ief',
 95  'jpeg' => 'image/jpeg',
 96  'jpg' => 'image/jpeg',
 97  'jpe' => 'image/jpeg', 
 98  'png' => 'image/png',
 99  'tiff' => 'image/tiff',
100  'tif' => 'image/tiff',
101  'djvu' => 'image/vnd.djvu',
102  'djv' => 'image/vnd.djvu',
103  'wbmp' => 'image/vnd.wap.wbmp',
104  'ras' => 'image/x-cmu-raster',
105  'pnm' => 'image/x-portable-anymap',
106  'pbm' => 'image/x-portable-bitmap',
107  'pgm' => 'image/x-portable-graymap',
108  'ppm' => 'image/x-portable-pixmap',
109  'rgb' => 'image/x-rgb', 
110  'xbm' => 'image/x-xbitmap',
111  'xpm' => 'image/x-xpixmap',
112  'xwd' => 'image/x-xwindowdump',
113  'igs' => 'model/iges',
114  'iges' => 'model/iges',
115  'msh' => 'model/mesh',
116  'mesh' => 'model/mesh',
117  'silo' => 'model/mesh',
118  'wrl' => 'model/vrml',
119  'vrml' => 'model/vrml',
120  'css' => 'text/css',
121  'html' => 'text/html',
122  'htm' => 'text/html', 
123  'asc' => 'text/plain',
124  'txt' => 'text/plain',
125  'rtx' => 'text/richtext',
126  'rtf' => 'text/rtf',
127  'sgml' => 'text/sgml',
128  'sgm' => 'text/sgml',
129  'tsv' => 'text/tab-separated-values',
130  'wml' => 'text/vnd.wap.wml',
131  'wmls' => 'text/vnd.wap.wmlscript',
132  'etx' => 'text/x-setext',
133  'xsl' => 'text/xml',
134  'xml' => 'text/xml',
135  'mpeg' => 'video/mpeg',
136 
137 'mpg' => 'video/mpeg',
138  'mpe' => 'video/mpeg',
139  'qt' => 'video/quicktime',
140  'mov' => 'video/quicktime',
141  'mxu' => 'video/vnd.mpegurl',
142  'avi' => 'video/x-msvideo',
143  'movie' => 'video/x-sgi-movie',
144  'ice' => 'x-conference/x-cooltalk',
145 );

The following table documents the HTTP MIME types that are available when working with Office 2007 documents: