// +---------------------------------------------------------------------- declare (strict_types = 1); namespace addon\wxchat\model; use think\Model; use ywxapp\model\MemberUser; class WxchatMessage extends Model { protected $name = 'wxchat_messages'; protected $autoWriteTimestamp = 'int'; protected $createTime = 'create_at'; protected $updateTime = false; // 关联发送者 public function sender() { return $this->belongsTo(MemberUser::class, 'sender_id'); } // 关联撤回记录 public function recall() { return $this->hasOne(MessageRecall::class, 'message_id'); } }