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- <?php
- // +----------------------------------------------------------------------
- // | ThinkPHP [ WE CAN DO IT JUST THINK ]
- // +----------------------------------------------------------------------
- // | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
- // +----------------------------------------------------------------------
- // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
- // +----------------------------------------------------------------------
- // | Author: liu21st <liu21st@gmail.com>
- // +----------------------------------------------------------------------
- namespace think\view\driver;
- use think\App;
- use think\exception\TemplateNotFoundException;
- use think\Loader;
- use think\Log;
- use think\Request;
- class Php
- {
- // 模板引擎参数
- protected $config = [
- // 视图基础目录(集中式)
- 'view_base' => '',
- // 模板起始路径
- 'view_path' => '',
- // 模板文件后缀
- 'view_suffix' => 'php',
- // 模板文件名分隔符
- 'view_depr' => DS,
- // 默认模板渲染规则 1 解析为小写+下划线 2 全部转换小写
- 'auto_rule' => 1,
- ];
- protected $template;
- protected $content;
- public function __construct($config = [])
- {
- $this->config = array_merge($this->config, $config);
- }
- /**
- * 检测是否存在模板文件
- * @access public
- * @param string $template 模板文件或者模板规则
- * @return bool
- */
- public function exists($template)
- {
- if ('' == pathinfo($template, PATHINFO_EXTENSION)) {
- // 获取模板文件名
- $template = $this->parseTemplate($template);
- }
- return is_file($template);
- }
- /**
- * 渲染模板文件
- * @access public
- * @param string $template 模板文件
- * @param array $data 模板变量
- * @return void
- */
- public function fetch($template, $data = [])
- {
- if ('' == pathinfo($template, PATHINFO_EXTENSION)) {
- // 获取模板文件名
- $template = $this->parseTemplate($template);
- }
- // 模板不存在 抛出异常
- if (!is_file($template)) {
- throw new TemplateNotFoundException('template not exists:' . $template, $template);
- }
- $this->template = $template;
- // 记录视图信息
- App::$debug && Log::record('[ VIEW ] ' . $template . ' [ ' . var_export(array_keys($data), true) . ' ]', 'info');
- extract($data, EXTR_OVERWRITE);
- include $this->template;
- }
- /**
- * 渲染模板内容
- * @access public
- * @param string $content 模板内容
- * @param array $data 模板变量
- * @return void
- */
- public function display($content, $data = [])
- {
- $this->content = $content;
- extract($data, EXTR_OVERWRITE);
- eval('?>' . $this->content);
- }
- /**
- * 自动定位模板文件
- * @access private
- * @param string $template 模板文件规则
- * @return string
- */
- private function parseTemplate($template)
- {
- if (empty($this->config['view_path'])) {
- $this->config['view_path'] = App::$modulePath . 'view' . DS;
- }
- $request = Request::instance();
- // 获取视图根目录
- if (strpos($template, '@')) {
- // 跨模块调用
- list($module, $template) = explode('@', $template);
- }
- if ($this->config['view_base']) {
- // 基础视图目录
- $module = isset($module) ? $module : $request->module();
- $path = $this->config['view_base'] . ($module ? $module . DS : '');
- } else {
- $path = isset($module) ? APP_PATH . $module . DS . 'view' . DS : $this->config['view_path'];
- }
- $depr = $this->config['view_depr'];
- if (0 !== strpos($template, '/')) {
- $template = str_replace(['/', ':'], $depr, $template);
- $controller = Loader::parseName($request->controller());
- if ($controller) {
- if ('' == $template) {
- // 如果模板文件名为空 按照默认规则定位
- $template = str_replace('.', DS, $controller) . $depr . (1 == $this->config['auto_rule'] ? Loader::parseName($request->action(true)) : $request->action());
- } elseif (false === strpos($template, $depr)) {
- $template = str_replace('.', DS, $controller) . $depr . $template;
- }
- }
- } else {
- $template = str_replace(['/', ':'], $depr, substr($template, 1));
- }
- return $path . ltrim($template, '/') . '.' . ltrim($this->config['view_suffix'], '.');
- }
- /**
- * 配置模板引擎
- * @access private
- * @param string|array $name 参数名
- * @param mixed $value 参数值
- * @return void
- */
- public function config($name, $value = null)
- {
- if (is_array($name)) {
- $this->config = array_merge($this->config, $name);
- } elseif (is_null($value)) {
- return isset($this->config[$name]) ? $this->config[$name] : null;
- } else {
- $this->config[$name] = $value;
- }
- }
- }
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