public function saveOperator($realName, $userName, $userPwd, $roles, $teacher)
{
$instId = session('instId');
try {
$operator = new \Home\Model\OperatorModel();
$operator->startTrans();
$operatorId = $operator->addOperator($instId, $userName, $userPwd, 0, $realName, $teacher);
$roleIds = explode('|', $roles);
for ($i = 0; $i < count($roleIds); $i++) {
$operator->addOperatorAndRoleRela($operatorId[0]['operator_id'], (int) $roleIds[$i]);
}
$operator->commit();
$data = "true";
} catch (Exception $e) {
$operator->rollback();
$data = "false";
}
$this->ajaxReturn($data);
}