PHP解决跨域问题2

<?php
$ret = array(
    'name' => isset($_POST['name'])? $_POST['name'] : '',
    'gender' => isset($_POST['gender'])? $_POST['gender'] : ''
);
 
header('content-type:application:json;charset=utf8');
header('Access-Control-Allow-Origin:*');
header('Access-Control-Allow-Methods:POST');
header('Access-Control-Allow-Headers:x-requested-with,content-type');
 
echo json_encode($ret);
?>

如果需要指定某域名才允许跨域访问，只需把Access-Control-Allow-Origin:*改为Access-Control-Allow-Origin:允许的域名，例如：

header('Access-Control-Allow-Origin:https://www.cha128.com');

如果需要设置多个域名允许访问，那么把多个域名放在数组中就可以，例如：

<?php
$ret = array(
    'name' => isset($_POST['name'])? $_POST['name'] : '',
    'gender' => isset($_POST['gender'])? $_POST['gender'] : ''
);
 
header('content-type:application:json;charset=utf8');
 
$origin = isset($_SERVER['HTTP_ORIGIN'])? $_SERVER['HTTP_ORIGIN'] : '';
 
$allow_origin = array(
    'https://www.cha128.com',
    'https://www.cha128.com'
);
 
if(in_array($origin, $allow_origin)){
    header('Access-Control-Allow-Origin:'.$origin);
    header('Access-Control-Allow-Methods:POST');
    header('Access-Control-Allow-Headers:x-requested-with,content-type');
}
 
echo json_encode($ret);
?>

至此，No 'Access-Control-Allow-Origin'问题解决！

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