[php]代码库//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/ );