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cache ʹÓãº
    cacheÅäÖãº
    $smarty->cache_dir = "/caches/";  //»º´æÄ¿Â¼   
    $smarty->caching = true;  //¿ªÆô»º´æ,ΪflaseµÄʱºî»º´æÎÞЧ   
    $smarty->cache_lifetime = 60;  //»º´æÊ±¼ä  
    cacheÇå³ýºÍʹÓãº
$smarty->display('cache.tpl', cache_id); //´´½¨´øIDµÄ»º´æ
cache.tpl //Ä£°åÎļþ
$smarty->clear_all_cache(); //Çå³ýËùÓлº´æ
$smarty->clear_cache('index.htm'); //Çå³ýindex.tplµÄ»º´æ
$smarty->clear_cache('index.htm',cache_id); //Çå³ýÖ¸¶¨idµÄ»º´æ
smarty °²×°ÅäÖà ˵Ã÷£º
ÏÂÔØsmarty½âѹ ½«libsĿ¼   copyµ½ÏîÄ¿Ö÷Ŀ¼Ï£¬ÖÁÉÙ½¨Á¢ÈçÏÂÈçÏÂÎļþ¼Ð£ºtemplates  templates_c  configs  cache
index.php
<?php
     include("libs/Smarty.class.php");
  $smarty = new Smarty;
  $smarty->template_dir = './templates/';
  $smarty->compile_dir  = './templates_c/';
  $smarty->config_dir   = './configs/';
  $smarty->cache_dir    = './cache/';
     $smarty->caching      = true;
     $smarty->cache_lifetime = 60;
 
  $smarty->left_delimiter = "<{";
  $smarty->right_delimiter = "}>";
  $smarty->assign("title", "À¬»ø");
  $smarty->assign("content","²âÊÔÓõÄÍøÒ³ÄÚÈÝ00");
  $smarty->display("index.tpl",cache_id);
  ?>
index.tplÄ£°åÎļþ
<html>
¡¡¡¡<head>
¡¡¡¡<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
¡¡¡¡<title><{$title}></title>
¡¡¡¡</head>
¡¡¡¡<body>
¡¡¡¡<{$content}>
¡¡¡¡</body>
¡¡¡¡</html>


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echo "Hello World!";
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     $urlstr = file_get_contents("http://www.baidu.com");
     $urlstr = htmlspecialchars($urlstr);
     print_r($urlstr);
?>
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