<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2019 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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declare (strict_types = 1);
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namespace think\view\driver;
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use think\App;
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use think\helper\Str;
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use think\Template;
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use think\template\exception\TemplateNotFoundException;
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class Think
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{
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// 模板引擎实例
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private $template;
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// 模板引擎参数
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protected $config = [
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// 默认模板渲染规则 1 解析为小写+下划线 2 全部转换小写 3 保持操作方法
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'auto_rule' => 1,
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// 视图目录名
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'view_dir_name' => 'view',
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// 模板起始路径
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'view_path' => '',
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// 模板文件后缀
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'view_suffix' => 'html',
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// 模板文件名分隔符
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'view_depr' => DIRECTORY_SEPARATOR,
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// 是否开启模板编译缓存,设为false则每次都会重新编译
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'tpl_cache' => true,
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];
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public function __construct(private App $app, array $config = [])
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{
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$this->config = array_merge($this->config, (array) $config);
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if (empty($this->config['cache_path'])) {
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$this->config['cache_path'] = $app->getRuntimePath() . 'temp' . DIRECTORY_SEPARATOR;
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}
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$this->template = new Template($this->config);
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$this->template->setCache($app->cache);
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$this->template->extend('$Think', function (array $vars) {
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$type = strtoupper(trim(array_shift($vars)));
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$param = implode('.', $vars);
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return match ($type) {
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'CONST' => strtoupper($param),
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'CONFIG' => 'config(\'' . $param . '\')',
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'LANG' => 'lang(\'' . $param . '\')',
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'NOW' => "date('Y-m-d g:i a',time())",
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'LDELIM' => '\'' . ltrim($this->getConfig('tpl_begin'), '\\') . '\'',
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'RDELIM' => '\'' . ltrim($this->getConfig('tpl_end'), '\\') . '\'',
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default => defined($type) ? $type : '\'\'',
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};
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});
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$this->template->extend('$Request', function (array $vars) {
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// 获取Request请求对象参数
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$method = array_shift($vars);
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if (!empty($vars)) {
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$params = implode('.', $vars);
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if ('true' != $params) {
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$params = '\'' . $params . '\'';
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}
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} else {
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$params = '';
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}
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return 'app(\'request\')->' . $method . '(' . $params . ')';
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});
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}
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/**
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* 检测是否存在模板文件
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* @access public
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* @param string $template 模板文件或者模板规则
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* @return bool
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*/
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public function exists(string $template): bool
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{
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if ('' == pathinfo($template, PATHINFO_EXTENSION)) {
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// 获取模板文件名
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$template = $this->parseTemplate($template);
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}
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return is_file($template);
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}
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/**
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* 渲染模板文件
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* @access public
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* @param string $template 模板文件
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* @param array $data 模板变量
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* @return void
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*/
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public function fetch(string $template, array $data = []): void
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{
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if (empty($this->config['view_path'])) {
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$view = $this->config['view_dir_name'];
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if (is_dir($this->app->getAppPath() . $view)) {
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$path = $this->app->getAppPath() . $view . DIRECTORY_SEPARATOR;
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} else {
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$appName = $this->app->http->getName();
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$path = $this->app->getRootPath() . $view . DIRECTORY_SEPARATOR . ($appName ? $appName . DIRECTORY_SEPARATOR : '');
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}
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$this->config['view_path'] = $path;
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$this->template->view_path = $path;
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}
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if ('' == pathinfo($template, PATHINFO_EXTENSION)) {
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// 获取模板文件名
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$template = $this->parseTemplate($template);
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}
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// 模板不存在 抛出异常
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if (!is_file($template)) {
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throw new TemplateNotFoundException('template not exists:' . $template, $template);
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}
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$this->template->fetch($template, $data);
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}
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/**
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* 渲染模板内容
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* @access public
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* @param string $template 模板内容
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* @param array $data 模板变量
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* @return void
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*/
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public function display(string $template, array $data = []): void
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{
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$this->template->display($template, $data);
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}
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/**
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* 自动定位模板文件
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* @access private
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* @param string $template 模板文件规则
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* @return string
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*/
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private function parseTemplate(string $template): string
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{
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// 分析模板文件规则
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$request = $this->app['request'];
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// 获取视图根目录
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if (strpos($template, '@')) {
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// 跨模块调用
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list($app, $template) = explode('@', $template);
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}
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if (isset($app)) {
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$view = $this->config['view_dir_name'];
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$viewPath = $this->app->getBasePath() . $app . DIRECTORY_SEPARATOR . $view . DIRECTORY_SEPARATOR;
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if (is_dir($viewPath)) {
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$path = $viewPath;
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} else {
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$path = $this->app->getRootPath() . $view . DIRECTORY_SEPARATOR . $app . DIRECTORY_SEPARATOR;
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}
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$this->template->view_path = $path;
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} else {
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$path = $this->config['view_path'];
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}
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$depr = $this->config['view_depr'];
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if (0 !== strpos($template, '/')) {
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$template = str_replace(['/', ':'], $depr, $template);
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$controller = $request->controller();
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if (strpos($controller, '.')) {
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$pos = strrpos($controller, '.');
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$controller = substr($controller, 0, $pos) . '.' . Str::snake(substr($controller, $pos + 1));
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} else {
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$controller = Str::snake($controller);
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}
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if ($controller) {
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if ('' == $template) {
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// 如果模板文件名为空 按照默认模板渲染规则定位
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if (2 == $this->config['auto_rule']) {
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$template = $request->action(true);
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} elseif (3 == $this->config['auto_rule']) {
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$template = $request->action();
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} else {
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$template = Str::snake($request->action());
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}
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$template = str_replace('.', DIRECTORY_SEPARATOR, $controller) . $depr . $template;
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} elseif (false === strpos($template, $depr)) {
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$template = str_replace('.', DIRECTORY_SEPARATOR, $controller) . $depr . $template;
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}
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}
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} else {
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$template = str_replace(['/', ':'], $depr, substr($template, 1));
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}
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return $path . ltrim($template, '/') . '.' . ltrim($this->config['view_suffix'], '.');
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}
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/**
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* 配置模板引擎
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* @access private
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* @param array $config 参数
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* @return void
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*/
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public function config(array $config): void
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{
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$this->template->config($config);
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$this->config = array_merge($this->config, $config);
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}
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/**
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* 获取模板引擎配置
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* @access public
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* @param string $name 参数名
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* @return void
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*/
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public function getConfig(string $name)
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{
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return $this->template->getConfig($name);
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}
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public function __call($method, $params)
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{
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return call_user_func_array([$this->template, $method], $params);
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}
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}
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