tp5跨域处理

//访问源头

$origin = isset($_SERVER['HTTP_ORIGIN']) ? $_SERVER['HTTP_ORIGIN'] : '';
if($origin)
{
header('Access-Control-Allow-Origin:' . $origin);
}
header('Access-Control-Allow-Credentials:true');
header('Access-Control-Allow-Headers:Content-type');
header('Content-type:application/json');
header('Access-Control-Allow-Methods:PUT,POST,GET,DELETE,OPTIONS');