更新Template目录

Think/Template/Driver/File.php

@@ -0,0 +1,45 @@
+<?php
+// +----------------------------------------------------------------------
+// | TOPThink [ WE CAN DO IT JUST THINK ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2011 http://topthink.com All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: liu21st <liu21st@gmail.com>
+// +----------------------------------------------------------------------
+// $Id$
+
+namespace Think\Template\Driver;
+class File {
+    // 写入编译缓存
+    public function write($cacheFile,$content){
+        // 检测模板目录
+        $dir     =  dirname($cacheFile);
+        if(!is_dir($dir))
+            mkdir($dir,0755,true);
+        // 生成模板缓存文件
+        if( false === file_put_contents($cacheFile,$content))
+            E('_CACHE_WRITE_ERROR_:'.$cacheFile);
+    }
+    
+    // 读取编译编译
+    public function read($cacheFile,$vars){
+        // 模板阵列变量分解成为独立变量
+        extract($vars, EXTR_OVERWRITE);
+        //载入模版缓存文件
+        include $cacheFile;
+    }
+
+    // 检查编译缓存是否有效
+    public function check($template,$cacheFile,$cacheTime){
+        if(!is_file($cacheFile)|| (is_file($template) && filemtime($template) > filemtime($cacheFile))) {
+            // 模板文件如果有更新则缓存需要更新
+            return false;
+        }elseif ($cacheTime != 0 && time() > filemtime($cacheFile)+$cacheTime) {
+            // 缓存是否在有效期
+            return false;
+        }
+        return true;
+    }
+}