admin_consumer/app/Engine/TemplateEngine.php

<?php

declare(strict_types=1);

namespace App\Engine;

use Hyperf\View\Engine\EngineInterface;
use Smarty;

class TemplateEngine implements EngineInterface
{
    public function render($template, $data, $config): string
    {
        // 实例化 Smarty 模板引擎
        $smarty = new Smarty();

        // 配置 Smarty 的模板目录、编译目录等（根据你的实际配置修改）
        $smarty->setTemplateDir($config['template_dir']?? BASE_PATH. '/storage/view');
        $smarty->setCompileDir($config['compile_dir']?? BASE_PATH. '/runtime/smarty/compile');
        $smarty->setCacheDir($config['cache_dir']?? BASE_PATH. '/runtime/smarty/cache');

        // 设置定界符（根据你的配置修改）
        $smarty->setLeftDelimiter($config['left_delimiter']?? '{');
        $smarty->setRightDelimiter($config['right_delimiter']?? '}');

        // 将数据分配给模板
        foreach ($data as $key => $value) {
            $smarty->assign($key, $value);
        }

        // 调用 Smarty 的 fetch 方法进行渲染
        return $smarty->fetch($template);
    }
}