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			166 lines
		
	
	
		
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			Executable File
		
	
	
	
	
			
		
		
	
	
			166 lines
		
	
	
		
			5.4 KiB
		
	
	
	
		
			PHP
		
	
	
		
			Executable File
		
	
	
	
	
<?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) 2006~2017 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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namespace think\view\driver;
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use think\App;
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use think\exception\TemplateNotFoundException;
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use think\Loader;
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use think\Log;
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use think\Request;
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use think\Template;
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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 $config = [
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        // 视图基础目录(集中式)
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        'view_base'   => '',
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        // 模板起始路径
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        'view_path'   => '',
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        // 模板文件后缀
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        'view_suffix' => 'html',
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        // 模板文件名分隔符
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        'view_depr'   => DS,
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        // 是否开启模板编译缓存,设为false则每次都会重新编译
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        'tpl_cache'   => true,
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    ];
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    public function __construct($config = [])
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    {
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        $this->config = array_merge($this->config, $config);
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        if (empty($this->config['view_path'])) {
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            $this->config['view_path'] = App::$modulePath . 'view' . DS;
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        }
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        $this->template = new Template($this->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 $template 模板文件或者模板规则
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     * @return bool
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     */
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    public function exists($template)
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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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     * @param array     $config 模板参数
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     * @return void
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     */
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    public function fetch($template, $data = [], $config = [])
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    {
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        if ('' == pathinfo($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, $template);
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        }
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        // 记录视图信息
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        App::$debug && Log::record('[ VIEW ] ' . $template . ' [ ' . var_export(array_keys($data), true) . ' ]', 'info');
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        $this->template->fetch($template, $data, $config);
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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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     * @param array     $config 模板参数
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     * @return void
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     */
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    public function display($template, $data = [], $config = [])
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    {
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        $this->template->display($template, $data, $config);
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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 $template 模板文件规则
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     * @return string
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     */
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    private function parseTemplate($template)
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    {
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        // 分析模板文件规则
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        $request = Request::instance();
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        // 获取视图根目录
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        if (strpos($template, '@')) {
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            // 跨模块调用
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            list($module, $template) = explode('@', $template);
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        }
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        if ($this->config['view_base']) {
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            // 基础视图目录
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            $module = isset($module) ? $module : $request->module();
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            $path   = $this->config['view_base'] . ($module ? $module . DS : '');
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        } else {
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            $path = isset($module) ? APP_PATH . $module . DS . 'view' . DS : $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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            $controller = Loader::parseName($request->controller());
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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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                    $template = str_replace('.', DS, $controller) . $depr . $request->action();
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                } elseif (false === strpos($template, $depr)) {
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                    $template = str_replace('.', DS, $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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     * 配置或者获取模板引擎参数
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     * @access private
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     * @param string|array  $name 参数名
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     * @param mixed         $value 参数值
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     * @return mixed
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     */
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    public function config($name, $value = null)
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    {
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        if (is_array($name)) {
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            $this->template->config($name);
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            $this->config = array_merge($this->config, $name);
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        } elseif (is_null($value)) {
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            return $this->template->config($name);
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        } else {
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            $this->template->$name = $value;
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            $this->config[$name]   = $value;
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        }
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    }
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    public function __call($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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