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public function index()
{
    $menus = MenuModel::select();
    $this->assign('menus', $menus);
    return $this->fetch('index');
}

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public function create()
{
    if (request()->isPost()) {
        $menu = new MenuModel;
        $menu->name = input('post.name');
        $menu->url = input('post.url');
        $menu->save();
        $this->success('²Ëµ¥½¨ÉèÀÖ³É', url('/help/admin/menu/index'));
    } else {
        return $this->fetch('create');
    }
}

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public function update()
{
    $id = input('id');
    $menu = MenuModel::get($id);
    if (request()->isPost()) {
        $menu->name = input('post.name');
        $menu->url = input('post.url');
        $menu->save();
        $this->success('²Ëµ¥¸üÐÂÀÖ³É', url('/help/admin/menu/index'));
    } else {
        $this->assign('menu', $menu);
        return $this->fetch('update');
    }
}

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public function delete()
{
    $id = input('id');
    $menu = MenuModel::get($id);
    $menu->delete();
    $this->success('²Ëµ¥É¾³ýÀÖ³É', url('/help/admin/menu/index'));
}

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