php中header设置常见文件类型的content-type

在PHP中可以通过header函数来发送头信息，还可以设置文件的content-type，下面整理了一些常见文件类型对于的content-type值。

    //date 2015-06-22
    //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
    // <meta http-equiv="refresh" content="10;http://www.example.org/ />

    // override X-Powered-By: PHP:
    header('X-Powered-By: PHP/4.4.0');
    header('X-Powered-By: Brain/0.6b');

    //文档语言
    header('Content-language: en');

    //告诉浏览器最后一次修改时间
    $time = time() - 60; // or filemtime($fn), etc
    header('Last-Modified: '.gmdate('D, d M Y H:i:s', $time).' GMT');

    //告诉浏览器文档内容没有发生改变
    header('HTTP/1.1 304 Not Modified');

    //设置内容长度
    header('Content-Length: 1234');

    //设置为一个下载类型
    header('Content-Type: application/octet-stream');
    header('Content-Disposition: attachment; filename="example.zip"');
    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';

以上所述就是本文的全部内容了，希望大家能够喜欢。