1. Header class
In the thinkphp framework, you can use the Header class to set the response header to realize the function of cross-domain requests. The specific method is to add the following code to the controller method:
header("Access-Control-Allow-Origin: *");
header("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept");Among them, the first line of code indicates that cross-domain requests from all sources are allowed, or it can be set to a specific source; the second line of code indicates that cross-domain requests are allowed Request header information carried by the request. After setting this up, you can implement basic cross-domain requests.
2. Third-party libraries
In addition to using the Header class to set up cross-domain requests, you can also use third-party libraries to simplify this process. The following takes the mainstream CORS (Cross-Origin Resource Sharing) library cors extension as an example to introduce how to use a third-party library to implement cross-domain requests.
Install cors extension
Open the command line window and execute the following command:
composer require topthink/think-cors
Configuration cors expansion
In the project's config folder, create a cors.php file and enter the following code:
<?php
return [
// 允許的請求域名
'allow_origin' => ['*'],
// 允許的請求頭信息
'allow_headers' => 'Origin, X-Requested-With, Content-Type, Accept',
// 允許的請求方法
'allow_methods' => 'GET, POST, PUT, DELETE, PATCH',
// 是否允許發(fā)送cookie
'allow_credentials' => true,
// 跨域請求緩存時間
'max_age' => 3600,
];Among them, $allow\_origin represents the allowed request Domain name, can be set to a specific domain name, or can be set to the wildcard "*"; $allow\_headers represents the allowed request header information, $allow\_methods represents the allowed request methods, $allow\_credentials represents whether sending cookies is allowed, $ max\_age represents the cross-domain request cache time.
Modify the configuration file
In the config folder of the project, find the app.php file, the configuration is as follows:
return [
// ...
'middleware' => [
// ...
\think\middleware\Cors::class,
],
];Call cors extension
In the controller method that requires cross-domain requests, you can directly call the method in cors extension to realize the setting of cross-domain requests:
use think\facade\Cors;
public function index() {
Cors::allowAllOrigin();
return json(['code' => 200, 'msg' => 'success']);
}After setting this, cross-domain requests can be implemented.
The above is the detailed content of How thinkphp completes cross-domain requests. For more information, please follow other related articles on the PHP Chinese website!
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