<?phpuse ApiUser;use ServiceUser as User2;class Application{public static function main(){self::registe();new User();new User2();}public static function registe(){spl_autoload_register("Application::loadClass");}public static function loadClass($class){$class=str_replace("\", "/", $class);$class="./".$class.".php";require_once $class;}}Application::main();ApiUser.php<?phpnamespace Api;use ServiceLogin;class User{public function __construct(){echo "User类<br/>";new Login();new Account();}}ApiAccount.php<?phpnamespace Api;class Account{public function __construct(){echo "Account类<br/>";}}ServiceLogin.php<?phpnamespace Service;class Login{public function __construct(){echo "Login类<br/>";}}ServiceUser.php<?phpnamespace Service;class User{public function __construct(){echo "Service下的User类<br/>";}}结果:
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