0 已删除', ]; const BlOCK = 2; // 拉黑 const UNBLOCK = 1; // 取消拉黑 public function hasTags() { return $this->belongsToMany(WechatTags::class, 'wechat_user_has_tags', 'tag_id', 'user_id'); } public function scopeTags($query) { return $query->addSelectSub(function () { return Db::name('wechat_user_has_tags') ->whereColumn('wechat_user_has_tags.user_id', $this->aliasField('id')) ->leftJoin('wechat_tags','wechat_user_has_tags.tag_id=wechat_tags.tag_id') ->field(Db::raw('group_concat(`wechat_tags`.name)')); }, 'tags'); } }