public function getTopics() { return $this->hasMany(Topic::className(), ['fid' => 'id']); }
/** * 获取话题 */ public function getTopic() { return $this->hasOne(Topic::className(), ['id' => 'tid']); }
public function getTopics() { return $this->hasMany(Topic::className(), ['fid' => 'id']); }
/** * 获取话题 */ public function getTopic() { return $this->hasOne(Topic::className(), ['id' => 'tid']); }