/**
* 生成搜索key
*
* @return string
*/
public function getSearchKey($keyChain = [Suggest::KEY_RAW, Suggest::KEY_PINYIN])
{
$keys = [];
// check have pinyin word
if (Suggest::$config['cn_inlcude_pinyin'] != true) {
$keyChain = [Suggest::KEY_RAW];
}
// generate keys for search
foreach ($keyChain as $key) {
if ($key == Suggest::KEY_RAW) {
// raw char
$word = Analyze::clear($this->word);
$keys[] = strlen($this->word) > 1 ? RedisStore::PREFIX . $this->getType() . '#' . '*' . '@' . '*' . $word . '*' : RedisStore::PREFIX . $this->getType() . '#' . '*' . '@' . $word . '*';
}
if ($key == Suggest::KEY_PINYIN) {
// pinyin
$pinyin = Analyze::clear(Pinyin::getPinyin($this->word));
$keys[] = strlen($this->word) > 1 ? RedisStore::PREFIX . $this->getType() . '#' . '*' . $pinyin . '*' . '@' . '*' : RedisStore::PREFIX . $this->getType() . '#' . $pinyin . '*' . '@' . '*';
}
}
return $keys;
}
