public static function afterTopicInsert($tc)
{
$editor = new \app\lib\Editor(['editor' => Yii::$app->params['settings']['editor']]);
$content = $editor->parse($tc->content);
$pa = new PhpAnalysis();
$pa->SetSource($tc->topic->title . strip_tags($content));
$pa->resultType = 2;
$pa->differMax = true;
$pa->StartAnalysis();
$tagNames = $pa->GetFinallyKeywords(3);
$tagNames = explode(',', $tagNames);
$tags = static::find()->select(['id', 'name'])->where(['in', 'name', $tagNames])->indexBy('name')->all();
foreach ($tagNames as $tn) {
if (!empty($tags) && !empty($tags[$tn])) {
$tag = $tags[$tn];
$tagTopic = new TagTopic(['tag_id' => $tag->id, 'topic_id' => $tc->topic_id]);
$tagTopic->save(false);
$tag->updateCounters(['topic_count' => 1]);
} else {
$tag = new static(['name' => $tn, 'topic_count' => 1]);
$tag->save(false);
$tagTopic = new TagTopic(['tag_id' => $tag->id, 'topic_id' => $tc->topic_id]);
$tagTopic->save(false);
}
}
}
/**
* 实现分词功能
*/
public function run($content, $num)
{
PhpAnalysis::$loadInit = false;
$pa = new PhpAnalysis('utf-8', 'utf-8', false);
$pa->LoadDict();
$pa->SetSource($content);
$pa->StartAnalysis(false);
$tags = $pa->GetFinallyKeywords($num - 1);
return $tags;
}
