Swoole实战之手撸HttpServer框架 12 RequestMapping注释完善（2） 支持Request对象的控制器方法和参数

视频 https://www.bilibili.com/video/BV14E411t7T4?p=17&spm_id_from=pageDriver&vd_source=4a69745b599dffec877b0fcfe130b092

代码

1 pro\index.php

 case FastRoute\Dispatcher::FOUND:
            $handler = $routeInfo[1];
            $vars = $routeInfo[2];//参数
            //var_dump($vars);
           /* array(1) {
                        ["uid"]=>
              string(3) "123"
            }*/
            // ... call $handler with $vars
            $extVars = [$myRequest];
            // $vars 路由上带的参数
            // $extVars 附加参数 传入 Request 、Response对象等
            $response->end($handler($vars,$extVars)); //最终执行的目标方法
            break;

2 \pro\app\controllers\UserController.php

use Core\Http\Request;

    /**
     * @RequestMapping(value="/user/{uid:\d+}")
     * 讲Request对象注入到
     * $aaa 干扰参数 没什么用 冗余
     */
    public function user(int $uid,Request $r)
    {
       // var_dump($r);
        var_dump($r->getQueryParams());
        return "bbb---".$uid;
    }

3  pro\core\annotationhandlers\RequestMapping.php

     $RouterCollector-> addRouter($requestMethod,$path,function($params,$extParams) use($method,$instance){
         //return $method->invoke($instance);//执行反射方法
         $inputParams=[];
         //得到方法的反射参数
         $refParams=$method->getParameters();
         foreach ($refParams as $refParam){
             if(isset($params[$refParam->getName()])){
                 $inputParams[] =  $params[$refParam->getName()];
             }else{
                 //$extVar 都是实例对象，比如 Request 、Response
                 foreach($extParams as $extParam){
                     //$refParam->getClass 获取参数Request $request的类型
                     //var_dump($refParam);
                     if($refParam->getClass()->isInstance($extParam)){
                         $inputParams[]  = $extParam;
                         continue;
                     }
                 }
                 $inputParams[] = false;
             }
         }
         return $method->invokeArgs($instance,$inputParams);
     });

测试

bug修复 参数注入时一个顺序bug

讲参数的顺序打乱

\pro\app\controllers\UserController.php

  /**
     * @RequestMapping(value="/user/{uid:\d+}")
     * 讲Request对象注入到
     * $aaa 干扰参数 没什么用 冗余
     */
    public function user(int $bbb,Request $r,int $uid,int $aaa)
    {
        
       // var_dump($r);
        var_dump($r->getQueryParams());
        return "bbb---".$uid;
    }

\pro\core\annotationhandlers\RequestMapping.php

<?php
namespace Core\annotationhandlers;
use Core\annotations\RequestMapping;
use Core\BeanFactory;


return[
  //$methodAnnoSelf 注解本身
  RequestMapping::class=>function(\ReflectionMethod $method,$instance,$methodAnnoSelf){
    
     $path = $methodAnnoSelf->value;//uri;
     $requestMethod =  count($methodAnnoSelf->method)>0 ? $methodAnnoSelf->method:['GET'];
     $RouterCollector = BeanFactory::getBean("RouterCollector");
     
     $RouterCollector-> addRouter($requestMethod,$path,function($params,$extParams) use($method,$instance){
         //return $method->invoke($instance);//执行反射方法
         $inputParams=[];
         //得到方法的反射参数 比如 (Request $r,int $uid,int $aaa)
         $refParams=$method->getParameters();
         
        /* var_dump($refParams);
         exit;*/
         //value="/user/{uid:\d+}"
            /*[0]=>
              object(ReflectionParameter)#35 (1) {
              ["name"]=>
                string(3) "uid"
              }*/
         foreach ($refParams as $refParam){
             if(isset($params[$refParam->getName()])){
                 $inputParams[] =  $params[$refParam->getName()];
             }else{
                 //$extVar 都是实例对象，比如 Request 、Response
                 foreach($extParams as $extParam){
                     if($refParam->getClass() &&  $refParam->getClass()->isInstance($extParam)){
                         $inputParams[]  = $extParam;
                         //continue;      //有bug
                         goto abc;
                     }
                 }
                 $inputParams[] = false;
             }
             abc:
         }
         return $method->invokeArgs($instance,$inputParams);
     });
    
     return $instance;
    
    }
];