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