<?php
namespace app\index\model;

use think\Model;
use think\Db;

class Admin extends Model
{

protected $table = 'admin';//表名

//增加
function insertData($data)
{
return Db::table($this->table)->insertGetId($data);
}
//展示
function show()
{
return Db::table($this->table)->select();
}

<?php
namespace app\admin\controller;
use think\Controller;
use think\Request;
use app\index\model\Admin;

class Index extends Controller
{
public function index()
{

}
//展示
public function show()
{
$admin = new Admin();
$arr = $admin->show();
return $this->fetch('show',['arr' => $arr]);
}
}
页面错误！请稍后再试～
出不来啥意思呢？打印也是空的 我数据也有数据还有也配置了