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<?php |
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/** |
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* Class View |
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* |
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* @link https://www.icy2003.com/ |
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* @author icy2003 <[email protected]> |
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* @copyright Copyright (c) 2017, icy2003 |
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*/ |
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namespace icy2003\php\ihelpers; |
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use Exception; |
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use icy2003\php\I; |
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use icy2003\php\icomponents\file\LocalFile; |
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use Throwable; |
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/** |
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* 视图渲染类 |
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*/ |
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class View |
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{ |
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/** |
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* 布局文件，支持别名 |
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* |
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* @var string |
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*/ |
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public $layout = false; |
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/** |
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* 布局文件的参数 |
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* |
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* @var array |
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*/ |
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public $layoutParams = []; |
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/** |
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* 渲染视图 |
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* |
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* @param string $view 视图文件名 |
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* @param array $params 参数 |
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* |
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* @return string |
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*/ |
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public function render($view, $params = []) |
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{ |
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$content = $this->_renderContent($view, $params); |
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$layoutFile = I::getAlias($this->layout); |
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return $this->_renderContent($layoutFile, ['content' => $content, 'layoutParams' => $this->layoutParams]); |
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} |
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/** |
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* 渲染视图，不使用布局 |
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* |
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* @param string $view 视图文件名 |
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* @param array $params 参数 |
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* |
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* @return string |
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*/ |
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public function renderPartial($view, $params = []) |
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{ |
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return $this->_renderContent($view, $params); |
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} |
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/** |
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* 渲染视图内容 |
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* |
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* @param string $view 视图文件名 |
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* @param array $params 参数 |
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* |
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* @return string |
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*/ |
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protected function _renderContent($view, $params = []) |
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{ |
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$viewFile = I::getAlias($view); |
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if (false === (new LocalFile())->isFile($viewFile)) { |
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throw new Exception('找不到视图文件：' . $viewFile); |
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} |
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return $this->_renderPhpFile($viewFile, $params); |
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} |
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/** |
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* 渲染 PHP 文件 |
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* |
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* @param string $viewFile 视图文件名 |
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* @param array $params 参数 |
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* |
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* @return string |
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*/ |
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protected function _renderPhpFile($viewFile, $params) |
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{ |
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$level = ob_get_level(); |
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ob_start(); |
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ob_implicit_flush(0); |
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extract($params, EXTR_OVERWRITE); |
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try { |
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require $viewFile; |
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return ob_get_clean(); |
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} catch (Exception $e) { |
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while (ob_get_level() > $level) { |
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if (!@ob_end_clean()) { |
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ob_clean(); |
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} |
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} |
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throw $e; |
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} catch (Throwable $e) { |
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while (ob_get_level() > $level) { |
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if (!@ob_end_clean()) { |
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ob_clean(); |
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} |
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} |
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throw $e; |
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} |
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} |
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} |
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icy2003 /
php
