/**
*
* @return array
*/
public function item($id = NULL)
{
if ($this->get_method() != 'GET') {
$this->send_response(405, NULL, '请求的方法不存在');
}
if (empty($id)) {
$this->send_response(400, NULL, '401307:交易ID为空');
}
$deal_id = (int) $id;
$item = $this->model->item($deal_id, $this->user_id);
$this->send_response(200, $item);
}
