1. ?? ???

thinkphp ???????? ?? ???? ???? ??? ? ?? ??? ???? ?? ??? ??? ? ????. ???? ??? ???? ???? ?? ??? ???? ????.

header("Access-Control-Allow-Origin: *");
header("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept");

? ? ? ?? ?? ?? ?? ??? ??? ? ??? ???? ???? ? ???? ?? ?? ??? ??? ?? ????. ??? ?? ??? ??? ?? ???? ??? ???? ?????. ?? ??? ??? ???? ?? ??? ??? ??? ? ????.

2. ?? ?????

Header ???? ???? ??? ? ??? ???? ? ??? ?? ?????? ???? ? ????? ???? ?? ????. ??? ?? CORS(Cross-Origin Resource Sharing) ????? cors ??? ?? ?? ?? ?????? ???? ??? ? ??? ???? ??? ?????.

1. cors ?? ??

??? ?? ?? ?? ??? ?????:

composer require topthink/think-cors

2. Configure cors Extension

????? config ??? cors.php ??? ???? ??? ?????. ?? ?? ：

<?php

return [
    // 允許的請(qǐng)求域名
    &#39;allow_origin&#39;      => [&#39;*&#39;],
    // 允許的請(qǐng)求頭信息
    &#39;allow_headers&#39;     => &#39;Origin, X-Requested-With, Content-Type, Accept&#39;,
    // 允許的請(qǐng)求方法
    &#39;allow_methods&#39;     => &#39;GET, POST, PUT, DELETE, PATCH&#39;,
    // 是否允許發(fā)送cookie
    &#39;allow_credentials&#39; => true,
    // 跨域請(qǐng)求緩存時(shí)間
    &#39;max_age&#39;           => 3600,
];

? ? $allow_origin? ??? ?? ??? ??? ????, ?? ??? ???? ??? ? ??? ????? ?? "*"? $allow_headers? ??? ?? ?? ??? ????, $allow_methods? ??? ?? ??? ??? ?????. $allow_credentials? ?? ?? ?? ??? ????, $max_age? ??? ? ?? ?? ??? ?????.

3. ?? ?? ??

????? config ???? app.php ??? ??? ??? ??? ????.

return [
    // ...
    'middleware' => [
        // ...
        \think\middleware\Cors::class,
    ],
];

4. Call cors ??

???? ????? ? ?? ??? ??? ????? cors ??? ???? ?? ???? ?? ??? ?? ??? ??? ? ????.

use think\facade\Cors;

public function index() {
    Cors::allowAllOrigin();
    return json(['code' => 200, 'msg' => 'success']);
}

?? ???? ??? ??? ?? ??? ??? ??? ? ????.

? ??? thinkphp? ??? ? ??? ???? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!