Thinkphp8 通过中间件 和 属性 简单实现AOP

转载请著名来源,侵权必究

//属性接口
declare(strict_types=1);
 
namespace app\common\attribute;
 
 
interface AttributeHandler
{
    public function handler(mixed $handler);
}
 

//不需要登陆属性
declare(strict_types=1);
 
namespace app\common\attribute;
 
 
/**
 * 跳过登陆验证
 */
#[\Attribute(\Attribute::TARGET_METHOD)]
class NoLogin implements AttributeHandler
{
    public function __construct(){
 
    }
 
    public function handler(mixed $handler)
    {
        // TODO: Implement handler() method.
        //return Response::create('页面未找到 - NoLogin', 'html', 404);
    }
}
 
 

//权限验证属性
declare(strict_types=1);
 
namespace app\shop\attribute;
 
 
use app\common\attribute\AttributeHandler;
 
/**
 * 权限验证
 */
#[\Attribute(\Attribute::TARGET_METHOD)]
class CheckPermission implements AttributeHandler
{
    public function __construct(private string $permission){
    }
 
    public function handler(mixed $handler)
    {
        // TODO: Implement handler() method.
        //return Response::create('页面未找到 - CheckPermission', 'html', 404);
    }
}
 

注意这里是要加到 控制器中间件

//属性中间件 (控制器中间件)
declare(strict_types=1);
 
namespace app\common\middleware;
 
 
use app\common\attribute\AttributeHandler;
use Closure;
use think\App;
use think\Request;
use think\Response;
use think\Session;
 
/**
 * 属性中间件
 */
 
class AttributeMiddleware
{
    /**
     * 记录属性
     * @throws Throwable
     */
    public function handle($request, Closure $next)
    {
 
        $context = app(Context::class);
        $controller = str_replace('.', '\\', $request->controller());
 
        /** @var Response $response */
        $reflect = new \ReflectionClass('app\\' . app('http')->getName() . '\controller\\' . $controller);
        $attributes = $reflect->getMethod($request->action())->getAttributes();
        $annotations = [
		    /**
			 * 这里可以添加全局
			 * 'CheckLogin' => [
             *        'instance' => app(CheckLogin::class)
             * ]
			 **/
		];
        foreach ($attributes as $attribute) {
            /**
             * @var AttributeHandler $instance
             * **/
            $instance = $attribute->newInstance();
            if ($instance instanceof AttributeHandler) {
                $annotations[$attribute->getName()] = [
                    'attribute' => $attribute,
                    'instance' => $instance
                ];
            }
        }
        $context->annotations = $annotations;
 
		foreach ($annotations as $attribute) {
			/**
                 * @var AttributeHandler $instance
                 * **/
			$instance = $attribute['instance'];
			$instance->handler(request: $request);
		}
        return  $next($request);
    }
}
 

//测试类
<?php
 
namespace app\shop\controller;
 
use app\common\attribute\NoLogin;
use app\shop\attribute\CheckPermission;
use app\shop\BaseController;
 
class Index extends BaseController
{
    #[CheckPermission(permission:"Foo")]
    public function index()
    {
        return '<style>*{ padding: 0; margin: 0; }</style><iframe src="https://www.thinkphp.cn/welcome?version=' . \think\facade\App::version() . '" width="100%" height="100%" frameborder="0" scrolling="auto"></iframe>';
    }
 
    #[NoLogin]
    public function hello($name = 'ThinkPHP8')
    {
        return 'hello,' . $name;
    }
}