如下所示：
复制代码代码如下://定义编码header( 'Content-Type:text/html;charset=utf-8 ');//Atom header('Content-type: application/atom+xml');//CSS header('Content-type: text/css');//Javascript header('Content-type: text/javascript');//JPEG Image header('Content-type: image/jpeg');//JSON header('Content-type: application/json');//PDF header('Content-type: application/pdf');//RSS header('Content-Type: application/rss+xml; charset=ISO-8859-1');//Text (Plain) header('Content-type: text/plain');//XML header('Content-type: text/xml');// 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// 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***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-shockw**e-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';