125 lines
3.2 KiB
PHP
125 lines
3.2 KiB
PHP
<?php
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namespace framework\library\template;
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use framework\library\template\ifs\TemplateIfs;
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use framework\library\Register;
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use framework\library\template\tags\Tags;
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/**
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* 默认的视图驱动
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*
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* @author topnuomi 2018年11月22日
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*/
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class Top implements TemplateIfs {
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private static $instance;
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// 标签类实例
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private $tags;
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// 视图配置
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private $config;
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private $cacheStatus = false;
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public static function instance() {
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if (!self::$instance) {
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self::$instance = new self();
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}
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return self::$instance;
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}
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/**
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* @return $this
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* @throws \framework\library\exception\BaseException
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*/
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public function run() {
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// TODO: Implement run() method.
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$this->tags = Tags::instance();
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$this->config = Register::get('Config')->get('view');
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return $this;
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}
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private function __construct() {
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}
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/**
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* 处理模板标签
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* @param $file
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* @return string
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*/
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private function processing($file) {
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$compileFileName = $this->config['compileDir'] . md5($file) . '.php';
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if (!file_exists($compileFileName) || DEBUG === true) {
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$compileFileName = $this->tags->processing($file);
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}
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return $compileFileName;
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}
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/**
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* 缓存为文件
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* @param $file
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* @param $param
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* @return string
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* @throws \framework\library\exception\BaseException
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*/
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public function cacheFile($file, $param) {
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if (isset($_SERVER['REQUEST_URI'])) {
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$fileIdent = md5($_SERVER['REQUEST_URI']);
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} else {
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$route = Register::get('Route');
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$fileIdent = $route->module . $route->ctrl . $route->action;
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}
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$filePath = $this->config['cacheDir'] . $fileIdent;
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$cache = Register::get('ViewCache');
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extract($param);
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ob_start();
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require $file;
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$content = ob_get_clean();
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ob_clean();
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if ($cache->set($filePath, $content)) {
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return $filePath;
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} else {
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throw new \Exception('无法创建缓存文件');
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}
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}
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/**
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* 是否开启页面静态缓存
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* @param bool $status
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*/
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public function cache($status) {
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$this->cacheStatus = $status;
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}
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/**
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* 获取最终的视图文件
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* @param $file
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* @param $param
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* @param $cache
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* @return mixed|string
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* @throws \framework\library\exception\BaseException
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*/
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public function fetch($file, $param, $cache) {
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// TODO Auto-generated method stub
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$filename = $this->config['dir'] . $file . '.' . $this->config['ext'];
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if (file_exists($filename)) {
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$filename = $this->processing($filename);
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if ($this->cacheStatus || $cache) {
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$filename = $this->cacheFile($filename, $param);
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} else {
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extract($param);
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}
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if (file_exists($filename)) {
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ob_start();
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require $filename;
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$content = ob_get_contents();
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ob_clean();
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return $content;
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}
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} else {
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throw new \Exception('视图文件 \'' . $file . '\' 不存在');
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}
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}
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} |