abstract：//config.php<?php return ['app'=>['debug'=>true],//默認(rèn)配置模塊、控制器、方法 'route'=>['module'=>'admin','controller'=>'index','acti

//config.php

<?php

return [

'app'=>['debug'=>true],

//默認(rèn)配置模塊、控制器、方法

'route'=>['module'=>'admin','controller'=>'index','action'=>'index']

];

// admin\controller\index.php

<?php

namespace admin\controller;

class Index{

         public function Index($name='alice'){

                        return "my name is {$name}.";

        }

}

//route.php

<?php

class Route{

             //路由配置參數(shù)

             protected $route=[];

             //Url

             protected $pathinfo=[];

            //參數(shù)

             protected $params=[];

             public function __construct($route){

                     //加載配置信息

                     $this->route = $route;

             }

            // 獲取配置信息

            public function getVar(){

                        return $this->route;

             }

            //url參數(shù)解析 

            public function parse($qstr){

                    //url轉(zhuǎn)為數(shù)組

                    $arr = explode('/',trim($qstr,'/'));

                    $arr = array_filter($arr);

                    switch(count($arr)){

                         case 0 :

                         $this->pathinfo = $this->route;

                         break;

                         case 1 :

                                 $this->pathinfo['module'] = $arr[0];

                                 $this->pathinfo['controller'] = $this->route['controller'];

                                 $this->pathinfo['action'] = $this->route['action'];

                                 break;

                         case 2 :

                                 $this->pathinfo['module'] = $arr[0];

                                 $this->pathinfo['controller'] = $arr[1];

                                 $this->pathinfo['action'] = $this->route['action'];

                                 break;

                         case 3 :

                                 $this->pathinfo['module'] = $arr[0];

                                 $this->pathinfo['controller'] = $arr[1];

                                 $this->pathinfo['action'] = $arr[2];

                                 break;

                         default :

                                 $this->pathinfo['module'] = $arr[0];

                                 $this->pathinfo['controller'] = $arr[1];

                                 $this->pathinfo['action'] = $arr[2];

                                 $paramVal = array_slice($arr,3);

                                 for($i=0;$i<count($paramVal);$i+=2){

                                                 if(isset($paramVal[$i+1])){

                                                         $this->params[$paramVal[$i]] = $paramVal[$i+1];

                                                         }

                                         }

                                         break;

                                 }

                         return $this->params;

             }

             public function dispatch(){

                         //獲取模塊名

                         $module = $this->pathinfo['module'];

                         //獲取控制器類

                         $controller = $module.'\\controller\\'.ucfirst($this->pathinfo['controller']);

                         //獲取方法名

                         $action = $this->pathinfo['action'];

                         //判斷類中是否上輩子在此方法

                         if(!method_exists($controller,$action)){

                                      echo '不存在此方法!';

                           }

                         //調(diào)用call_user_func_array

                         return call_user_func_array([new $controller,$action],$this->params);

                }

}

//加載默認(rèn)配置

$route = (require 'config.php')['route'];

//聲明Route類實例

$route = new Route($route);

//獲取url參數(shù)

$qstr = $_SERVER['QUERY_STRING'];

//echo '<pre>'.var_export($route->getVar(),true).'<br>';

//echo $qstr;

//參數(shù)路由解析

$route->parse($qstr);

//echo '<pre>'.var_export($arr,true).'<br>';

//加載類文件

require __DIR__.'/admin/controller/Index.php';

//請求分發(fā)

echo  $route->dispatch();

Correcting teacher：查無此人Correction time：2019-10-12 16:28:07
Teacher's summary：完成的不錯。自己寫路由，可以更好的了解路由機制。繼續(xù)加油