public function save_activity($act)
{
$table = new ActivityTable();
$tag_act_tab = new TagActivityTable();
$activity_id = $act->id;
//修改后的tag_id
$up_tag_id = $act->tags;
$tag_list = explode("#", $up_tag_id);
if ($act->id) {
$table->update_activity($act);
/**
* update = 先删除 后创建
*/
$tag_act_tab->del_tag_activity($activity_id);
foreach ($tag_list as $tag_id) {
$tag_act_tab->insert_tag_activity($tag_id, $activity_id);
}
return $act->id;
} else {
foreach ($tag_list as $tag_id) {
$tag_act_tab->insert_tag_activity($tag_id, $activity_id);
}
return $table->insert_activity($act);
}
}
