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- <?php
- // +----------------------------------------------------------------------
- // | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
- // +----------------------------------------------------------------------
- // | Copyright (c) 2006-2014 http://thinkphp.cn All rights reserved.
- // +----------------------------------------------------------------------
- // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
- // +----------------------------------------------------------------------
- // | Author: liu21st <liu21st@gmail.com>
- // +----------------------------------------------------------------------
- namespace Behavior;
- use Think\Storage;
- use Think\Think;
- /**
- * 系统行为扩展:模板解析
- */
- class ParseTemplateBehavior {
- // 行为扩展的执行入口必须是run
- public function run(&$_data){
- $engine = strtolower(C('TMPL_ENGINE_TYPE'));
- $_content = empty($_data['content'])?$_data['file']:$_data['content'];
- $_data['prefix'] = !empty($_data['prefix'])?$_data['prefix']:C('TMPL_CACHE_PREFIX');
- if('think'==$engine){ // 采用Think模板引擎
- if((!empty($_data['content']) && $this->checkContentCache($_data['content'],$_data['prefix']))
- || $this->checkCache($_data['file'],$_data['prefix'])) { // 缓存有效
- //载入模版缓存文件
- Storage::load(C('CACHE_PATH').$_data['prefix'].md5($_content).C('TMPL_CACHFILE_SUFFIX'),$_data['var']);
- }else{
- $tpl = Think::instance('Think\\Template');
- // 编译并加载模板文件
- $tpl->fetch($_content,$_data['var'],$_data['prefix']);
- }
- }else{
- // 调用第三方模板引擎解析和输出
- if(strpos($engine,'\\')){
- $class = $engine;
- }else{
- $class = 'Think\\Template\\Driver\\'.ucwords($engine);
- }
- if(class_exists($class)) {
- $tpl = new $class;
- $tpl->fetch($_content,$_data['var']);
- }else { // 类没有定义
- E(L('_NOT_SUPPORT_').': ' . $class);
- }
- }
- }
- /**
- * 检查缓存文件是否有效
- * 如果无效则需要重新编译
- * @access public
- * @param string $tmplTemplateFile 模板文件名
- * @return boolean
- */
- protected function checkCache($tmplTemplateFile,$prefix='') {
- if (!C('TMPL_CACHE_ON')) // 优先对配置设定检测
- return false;
- $tmplCacheFile = C('CACHE_PATH').$prefix.md5($tmplTemplateFile).C('TMPL_CACHFILE_SUFFIX');
- if(!Storage::has($tmplCacheFile)){
- return false;
- }elseif (filemtime($tmplTemplateFile) > Storage::get($tmplCacheFile,'mtime')) {
- // 模板文件如果有更新则缓存需要更新
- return false;
- }elseif (C('TMPL_CACHE_TIME') != 0 && time() > Storage::get($tmplCacheFile,'mtime')+C('TMPL_CACHE_TIME')) {
- // 缓存是否在有效期
- return false;
- }
- // 开启布局模板
- if(C('LAYOUT_ON')) {
- $layoutFile = THEME_PATH.C('LAYOUT_NAME').C('TMPL_TEMPLATE_SUFFIX');
- if(filemtime($layoutFile) > Storage::get($tmplCacheFile,'mtime')) {
- return false;
- }
- }
- // 缓存有效
- return true;
- }
- /**
- * 检查缓存内容是否有效
- * 如果无效则需要重新编译
- * @access public
- * @param string $tmplContent 模板内容
- * @return boolean
- */
- protected function checkContentCache($tmplContent,$prefix='') {
- if(Storage::has(C('CACHE_PATH').$prefix.md5($tmplContent).C('TMPL_CACHFILE_SUFFIX'))){
- return true;
- }else{
- return false;
- }
- }
- }
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