public function delete()
{
$result = array('error' => -1, 'message' => '删除失败');
if ($_POST['id'] != null) {
$id = intval(trim($_POST['id']));
$invite = InviteModel::getInviteById($id);
$invite->delete();
$result = array('error' => 0, 'message' => '删除成功', 'id' => $_POST['id']);
}
return $result;
}