admin_consumer/hyperf-smarty-demo/app/View/Engine/SmartyEngine.php

<?php
declare(strict_types=1);

namespace App\View\Engine;

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

class SmartyEngine implements EngineInterface
{
    protected Smarty $smarty;

    public function __construct(protected ConfigInterface $config)
    {
        $this->smarty = new Smarty();

        // 确保路径以斜杠结尾
        $viewPath = rtrim($this->config->get('view.config.view_path'), '/') . '/';
        $compileDir = rtrim($this->config->get('view.config.compile_dir'), '/') . '/';

        $this->smarty->setTemplateDir($viewPath);
        $this->smarty->setCompileDir($compileDir);

        $this->smarty->setLeftDelimiter($options['left_delimiter'] ?? '{{');
        $this->smarty->setRightDelimiter($options['right_delimiter'] ?? '}}');
        // 调试输出路径（生产环境移除）
        error_log("Smarty模板路径: " . $viewPath);
    }

    public function render(string $template, array $data, array $config): string
    {
        foreach ($data as $key => $value) {
            $this->smarty->assign($key, $value);
        }
        return $this->smarty->fetch($template);
    }
}