exists(); } /** * 获取信息-单条 * @param array $params * @param array $fields * @return object|null */ public static function getOne(array $params, array $fields = ['*']): object|null { return self::where($params)->first($fields); } /** * 获取数据-多 * @param array $params * @param array $fields * @return Collection|array */ public static function getList(array $params = [], array $fields = ['*']): Collection|array { return self::where($params)->get($fields); } /** * 新增 * @param array $data * @return \Hyperf\Database\Model\Model|MessageIm */ public static function addMessage(array $data): \Hyperf\Database\Model\Model|MessageIm { return self::create($data); } /* * 获取信息-最后一条 * @param array $params * @param array $fields * @return object|null */ public static function getLastOne(array $params, array $fields = ['*']): object|null { return self::where($params)->latest("created_at")->first($fields); } }