我们已经学会了如何通过db来操作数据库

那么如何通过model模型来操作呢？

首先

php bin/hyperf.php gen:model user

然后打开app\Model\User.php

<?php declare (strict_types=1);
namespace App\Model;

use Hyperf\DbConnection\Model\Model;
/**
 * @property int $id 
 * @property string $username 
 */
class User extends Model
{
    /**
     * The table associated with the model.
     *
     * @var string
     */
    protected $table = 'user';
    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $fillable = [];
    /**
     * The attributes that should be cast to native types.
     *
     * @var array
     */
    protected $casts = ['id' => 'integer', 'username'=>'string'];
}

添加controller

<?php declare(strict_types=1);
namespace App\Controller;
use Hyperf\HttpServer\Contract\RequestInterface;
use Hyperf\DbConnection\Db;
use App\Model\User;
class DbController extends AbstractController
{
    public function index(RequestInterface $request)
    {
        $id = $request->input('id', 1);
        $user = User::where('id', 1)->first();
        return $user;
    }
}

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