PHP 解决Ajax跨域请求的问题

    XMLHttpRequest cannot load http://market.zmzhz.com/admin.php. No 'Access-Control-Allow-Origin' header is present on the requested resource.Origin 'http://blog.zmzhz.com' is therefore not allowed access.

    header('Access-Control-Allow-Origin:http://blog.zmzhz.com');

    $origin = isset($_SERVER['HTTP_ORIGIN'])? $_SERVER['HTTP_ORIGIN'] : '';  

$allow_origin = array(  
    'http://blog1.zmzhz.com',  
    'http://blog2.zmzhz.com'  
);  
  
if(in_array($origin, $allow_origin)){  
    header('Access-Control-Allow-Origin:'.$origin);       
}

    header('Access-Control-Allow-Origin:*');