转：http头状态信息意议以及在php使用header设置方法
常见http头状态信息意议以及在php使用header设置方法http://www.webfans.org/blog/template/fromDeep/images/toolbar_fontsize.gif <!---->
// ok
header('HTTP/1.1 200 OK');
//设置一个404头:
header('HTTP/1.1 404 Not Found');
//设置地址被永久的重定向
header('HTTP/1.1 301 Moved Permanently');
//转到一个新地址
header('Location: http://www.example.org/');
//文件延迟转向:
header('Refresh: 10; url=http://www.example.org/');
print 'You will be redirected in 10 seconds';
//当然，也可以使用html语法实现
//<meta http-equiv="refresh" content="10;http://www.example.org/ />&lt;br />&lt;br />// override X-Powered-By: PHP:&lt;br />header('X-Powered-By: PHP/4.4.0');&lt;br />header('X-Powered-By: Brain/0.6b');&lt;br />&lt;br />//文档语言&lt;br />header('Content-language: en');&lt;br />&lt;br />//告诉浏览器最后一次修改时间&lt;br />$time = time() - 60; // or filemtime($fn), etc&lt;br />header('Last-Modified: '.gmdate('D, d M Y H:i:s', $time).' GMT');&lt;br />&lt;br />//告诉浏览器文档内容没有发生改变&lt;br />header('HTTP/1.1 304 Not Modified');&lt;br />&lt;br />//设置内容长度&lt;br />header('Content-Length: 1234');&lt;br />&lt;br />//设置为一个下载类型&lt;br />header('Content-Type: application/octet-stream');&lt;br />header('Content-Disposition: attachment; filename=">header('Content-Transfer-Encoding: binary');
// load the file to send:
readfile('example.zip');
// 对当前文档禁用缓存
header('Cache-Control: no-cache, no-store, max-age=0, must-revalidate');
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the past
header('Pragma: no-cache');
//设置内容类型:
header('Content-Type: text/html; charset=iso-8859-1');
header('Content-Type: text/html; charset=utf-8');
header('Content-Type: text/plain'); //纯文本格式
header('Content-Type: image/jpeg'); //JPG图片
header('Content-Type: application/zip'); // ZIP文件
header('Content-Type: application/pdf'); // PDF文件
header('Content-Type: audio/mpeg'); // 音频文件
header('Content-Type: application/x-shockwave-flash'); //Flash动画
//显示登陆对话框
header('HTTP/1.1 401 Unauthorized');
header('WWW-Authenticate: Basic realm="Top Secret"');
print 'Text that will be displayed if the user hits cancel or ';
print 'enters wrong login data';
?>
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