thinkphp 访问不同前缀表
$Model=new Model();
$goods=$Model->Table('sdb_goods');
$param['brief']=array('like','%'.$p_title.'%');
$param['name']=array('like','%'.$p_title.'%');
$param['_logic']='or';
$goods_list=$goods->field('name,price,goods_id,mktprice,small_pic')->where($param)->select();
$this->assign('seek_drug',$goods_list);