//废话不多说,复制就完了
$origin = isset($_SERVER['HTTP_ORIGIN'])? $_SERVER['HTTP_ORIGIN'] : '';
$allowOrigin = array(
'https://www.baidu.com/',
'https://www.google.com/'
);
if (in_array($origin, $allowOrigin)) {
header("Access-Control-Allow-Origin:".$origin);
}
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