thinkphp循环查询A表的数据，怎么用A表的ID查询出B表的数据，怎么把B表的数据加入循环并且view展示出来

Question

Answer 1

foreach ($six_month as $k => $v) {
    $six_upload = $upload->where("month_id={$vo['id']}")->find();
    $six_month[$k]['upload'] = $six_upload;
}
$this->assign('six_month', $six_month);