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<?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) 2006~2021 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 <[email protected]> |
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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 RuntimeException; |
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use think\App; |
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use think\contract\TemplateHandlerInterface; |
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use think\helper\Str; |
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/** |
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* PHP原生模板驱动 |
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*/ |
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class Php implements TemplateHandlerInterface |
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{ |
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protected $template; |
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protected $content; |
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protected $app; |
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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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// 应用模板路径 |
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'view_path' => '', |
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// 模板文件后缀 |
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'view_suffix' => 'php', |
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// 模板文件名分隔符 |
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'view_depr' => DIRECTORY_SEPARATOR, |
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]; |
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public function __construct(App $app, array $config = []) |
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{ |
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$this->app = $app; |
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$this->config = array_merge($this->config, (array) $config); |
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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 $data = []): void |
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{ |
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if ('' == pathinfo($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 RuntimeException('template not exists:' . $template); |
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} |
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$this->template = $template; |
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extract($data, EXTR_OVERWRITE); |
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include $this->template; |
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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 $content 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 $content, array $data = []): void |
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{ |
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$this->content = $content; |
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extract($data, EXTR_OVERWRITE); |
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eval('?>' . $this->content); |
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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 $template): string |
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{ |
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$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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// 跨应用调用 |
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[$app, $template] = explode('@', $template); |
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} |
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if ($this->config['view_path'] && !isset($app)) { |
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$path = $this->config['view_path']; |
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} else { |
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$appName = isset($app) ? $app : $this->app->http->getName(); |
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$view = $this->config['view_dir_name']; |
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if (is_dir($this->app->getAppPath() . $view)) { |
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$path = isset($app) ? $this->app->getBasePath() . ($appName ? $appName . DIRECTORY_SEPARATOR : '') . $view . DIRECTORY_SEPARATOR : $this->app->getAppPath() . $view . DIRECTORY_SEPARATOR; |
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} else { |
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$path = $this->app->getRootPath() . $view . DIRECTORY_SEPARATOR . ($appName ? $appName . DIRECTORY_SEPARATOR : ''); |
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} |
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} |
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$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->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 mixed |
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*/ |
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public function getConfig(string $name) |
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{ |
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return $this->config[$name] ?? null; |
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} |
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} |
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