public function createPay() { //订单状态 //购物车->确认订单(完善,确认订单信息)->提交订单->支付订单->商家打印->等待配送->完成订单 // $username = $this->input->post('username'); // $files = $this->input->post('files'); try { $order = new MY_Order(); $charge = $order->createPingPay(); echo $charge; } catch (MY_Exception $e) { $this->echo_msg(false, $e->error_msg); } }