thinkphp 数据库查询数据

<?php


namespace app\index\controller;
use app\index\model\Daohang;

class Demo6
{
    public  function get()
    {
        //dump(Daohang::get(3));
        $res = Daohang::field('id,title')->where('id',9)->find();//返回对象
        dump($res);
    }
    public function all()
    {
        //dump(Daohang::all());
        $res = Daohang::field('id,title')->where('id','in','1,2,3')->select();
        dump($res);
    }
}

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