只要控制器扩展了基类Controller类，您就不需要将容器注入控制器中。
$config['get'] = TRUE; // Any GET data passed in the request.$config['http_headers'] = TRUE; // The HTTP headers for the current request.$config['memory_usage'] = TRUE; // Amount of memory consumed by the current request, in bytes.$config['post'] = TRUE; // Any POST data ...