tp5 thinkphp5 多表关联查询 join查询

model下：

$res = \think\Db::name('article')
    ->alias("a") //取一个别名
    ->join('admin ad','a.aid = ad.admin_id')
    ->field('a.aid,ad.admin_id ')
    ->select();

转载于:https://www.cnblogs.com/qcjdp/p/10837635.html