public function teardown($data)
{
//更新character的cache data
$filename = '../../client/json/cache.character.ch_name.json';
$all = DBWOGCharacter::all();
$arr = [];
foreach ($all as $character) {
$arr[$character->ch_id] = $character->ch_name;
}
$fp = fopen($filename, 'w+');
flock($fp, LOCK_EX);
fputs($fp, json_encode($arr));
flock($fp, LOCK_UN);
fclose($fp);
}
