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Homephp教程php手册php header功能的使用

header() 函数向客户端发送原始的 HTTP 报头。

复制代码 代码如下:


//200 正常状态
header('HTTP/1.1 200 OK');
// 301 永久重定向,记得在后面要加重定向地址 Location:$url
header('HTTP/1.1 301 Moved Permanently');
// 重定向,其实就是302 暂时重定向
header('Location: http://www.maiyoule.com/');
// 设置页面304 没有修改
header('HTTP/1.1 304 Not Modified');
// 显示登录框,
header('HTTP/1.1 401 Unauthorized');
header('WWW-Authenticate: Basic realm="登录信息"');
echo '显示的信息!';
// 403 禁止访问
header('HTTP/1.1 403 Forbidden');
// 404 错误
header('HTTP/1.1 404 Not Found');
// 500 服务器错误
header('HTTP/1.1 500 Internal Server Error');
// 3秒后重定向指定地址(也就是刷新到新页面与 header('Content-Transfer-Encoding: binary');
readfile('example.zip');//读取文件到客户端

//禁用页面缓存
header('Cache-Control: no-cache, no-store, max-age=0, must-revalidate');
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
header('Pragma: no-cache');

//设置页面头信息
header('Content-Type: text/html; charset=iso-8859-1');
header('Content-Type: text/html; charset=utf-8');
header('Content-Type: text/plain');
header('Content-Type: image/jpeg');
header('Content-Type: application/zip');
header('Content-Type: application/pdf');
header('Content-Type: audio/mpeg');
header('Content-Type: application/x-shockwave-flash');
//.... 至于Content-Type 的值 可以去查查 w3c 的文档库,那里很丰富
?>

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