<?php

namespace app\index\controller;

use app\index\model\Student;

//模型是和一張數(shù)據(jù)表綁定的
class Demo6
{
//1.單條查詢
public function get()
{
// dump(Student::get(51));
//用查詢構(gòu)造器創(chuàng)建更加復(fù)雜的查詢
res instanceof Student);
}

//2.多條查詢
public function all()
{

// dump(Student::all([1, 2, 3, 4]));
res);
}
}