一个页面有多个提交按钮的时候

if (checksubmit('cancel')) {pdo_update('tg_order', array('status' => 1), array('id' => $id));message('取消完成订单操作成功！', referer(), 'success');}if (checksubmit('cancelpay')) {pdo_update('tg_order', array('status' => 0), array('id' => $id));// //设置库存// $this->setOrderStock($id, false);message('取消订单付款操作成功！', referer(), 'success');}if (checksubmit('confrimpay')) {pdo_update('tg_order', array('status' => 1, 'pay_type' => 2, 'remark' => $_GPC['remark']), array('id' => $id));// //设置库存// $this->setOrderStock($id);message('确认订单付款操作成功！', referer(), 'success');}