url的pathinfo模式加载不同控制器的实现

<?
phpclass Application{public static function main(){header("content-type:text/html;charset=utf-8");
        self::register();
        self::router();
    }public static function register(){
        spl_autoload_register("self::loadClass");
    }public static function loadClass($class){$class=str_replace('\', '/', $class);$class="./".$class.".php";require_once $class;        
    }public static function router(){if(isset($_SERVER['PATH_INFO'])){$pathinfo=array_filter(explode("/", $_SERVER['PATH_INFO']));for($i=1;$i<=count($pathinfo);$i++){$key=isset($pathinfo[$i]) ? $pathinfo[$i] : '';$value=isset($pathinfo[$i+1]) ? $pathinfo[$i+1] :"";switch ($i) {case 1:$_GET['m']=ucfirst($key);break;case 2:$_GET['c']=ucfirst($key);break;case 3:$_GET['a']=$key;break;default:if($i>3){if($i%2==0){$_GET[$key]=$value;
                            }
                        }break;
                }
            }
        }$_GET['m']=!empty($_GET['m']) ? ucfirst($_GET['m']) : 'Index';$_GET['c']=!empty($_GET['c']) ? ucfirst($_GET['c']) : 'Index';$_GET['a']=!empty($_GET['a']) ? $_GET['a'] : 'index';$class="\Controller\{$_GET['m']}\{$_GET['c']}";$controller=new $class;$controller->$_GET['a']();
    }
}

Application::main();

<?  "构造方法
" (  "login()"