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class UserModel extends Model
{
    protected $field = [
        'id', 'name', 'email', 'password',
    ];
}

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class UserModel extends Model
{
    public function posts()
    {
        return $this->hasMany(PostModel::class, 'user_id');
    }
}

$users = UserModel::where('name', 'like', '%Tom%')->with('posts')->select();

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class UserModel extends Model
{
    protected $rule = [
        'name' => 'require',
        'email' => 'email',
        'password' => 'require|length:6,20',
    ];
}

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$user = UserModel::find(1);
$user->name = 'Tom';
$user->save();

$user = UserModel::create([
    'name' => 'John',
    'email' => 'john@example.com',
    'password' => '123456',
]);

$user = UserModel::destroy([1,2,3]);

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