自己写的一个模板,想和大家讨论一下.

CODE:

<?php
require('./template.php');
//由html生成的php文件的前缀,区别使用多种风格.
$tpl_prefix = 'default';
//模板文件名
$tpl_index = 'index';

$tpl = new Template($tpl_prefix);

$cats = array(
    array('forum_id'=>;'1','forum_cat_id'=>;'0','forum_name'=>;'PHP学习'),
        array('forum_id'=>;'2','forum_cat_id'=>;'0','forum_name'=>;'MYSQL学习')
);
$forums = array(
        array('forum_id'=>;'3','forum_cat_id'=>;'1','forum_name'=>;'PHP高级教程'),
        array('forum_id'=>;'4','forum_cat_id'=>;'1','forum_name'=>;'PHP初级教程'),
        array('forum_id'=>;'5','forum_cat_id'=>;'2','forum_name'=>;'MYSQL相关资料')
);

if ($cats)
{
        if ($tpl->;chk_cache($tpl_index))//检查判断是否需要重新生产PHP模板文件.
    {
            $tpl->;load_tpl($tpl_index);//加载html模板文件.
                //替换PHP语句
                $tpl->;assign_block("{block_cat}","<?foreach(\$cats as \$cat) {?>;");
                $tpl->;assign_block("{/block_cat}","<?}?>;");
        $tpl->;assign_block("{block_forum}","<?foreach(\$forums as \$forum) {

\nif(\$forum['forum_cat_id'] == \$cat['forum_id']) {?>;");
            $tpl->;assign_block("{/block_forum}","<?}\n}?>;");
                //生产PHP模板文件.
                $tpl->;write_cache($tpl_index);
        }
}
//包含PHP模板文件.
include($tpl->;parse_tpl($tpl_index));
?>;

CODE:

{block_cat}
<table width="100%" border="0" cellspacing="1" cellpadding="1" bgcolor="#000000" align="center">;
  <tr align="{=TR_ALING}" bgcolor="#FFFFFF">;
    <td  colspan="6">;<span class="title">;<b>;{=$cat['forum_name']}</b>;</span>;</td>;
  </tr>;
{block_forum}
  <tr bgcolor="#FFFFFF">;
    <td valign="top">;{=$forum['forum_name']}</td>;
  </tr>;
{/block_forum}
</table>;
<br>;
{/block_cat}

CODE:

<?foreach($cats as $cat) {?>;
<table width="100%" border="0" cellspacing="1" cellpadding="1" bgcolor="#000000" align="center">;
  <tr align="<?=TR_ALING?>;" bgcolor="#FFFFFF">;
    <td  colspan="6">;<span class="title">;<b>;<?=$cat['forum_name']?>;</b>;</span>;</td>;
  </tr>;
<?foreach($forums as $forum) {
if($forum['forum_cat_id'] == $cat['forum_id']) {?>;
  <tr bgcolor="#FFFFFF">;
    <td valign="top">;<?=$forum['forum_name']?>;</td>;
  </tr>;
<?}
}?>;
</table>;
<br>;
<?}?>;

CODE:

<?php
/*********************************************************************************
*                                                                 模板类(Template)
*    最后修改时间:2004.4.07    本论坛使用   
*   
*
*
**********************************************************************************/
class Template {

        //$this->;$template,储存模板数据.
        var $template = '';

        //模板路径.
        var $tpl_path = '';

        //模板前缀(风格名称).
        var $tpl_prefix = '';

    //cache路径(编译后的路径).
        var $cache_path = '';
       
        //css文件路径.
        var $css_path = '';

        //header文件路径.
        var $header_path = '';

        //footer文件路径
    var $footer_path = '';

        /**
        * 初始化模板路径.
        */
        function Template($root = 'default')
        {
                //模板前缀(风格名称).
                $this->;tpl_prefix = $root;
                //模板文件路径.
                $this->;tpl_path = './templates/' . $root . '/';
                //生成的PHP文件存放路径.
                $this->;cache_path = './template_data/' .$this->;tpl_prefix . '_';
                return true;
        }

        /**
        * chk_cache,检查"编译"后的模板是否需要更新,判断依据:最后修改时间,"编译"文件是否存在.
        */
        function chk_cache($tpl_index)
    {
                $tpl_file = $this->;tpl_path . $tpl_index . '.html';
                $cache_file = $this->;cache_path . $tpl_index . '.php';
                //判断是否需要更新.
                if(!file_exists($cache_file))
        {
                        return true;
                }
        elseif(filemtime($tpl_file) >; filemtime($cache_file))
        {
                        return true;
                }
        }

        /**
        * 输出模板文件.
        */
        function parse_tpl($tpl_index,$message='')
    {
            return $this->;cache_path . $tpl_index . '.php';
    }

        /**
        * 加载模板文件.
        */
        function load_tpl($tpl_index)
    {
                $tpl_file = $this->;tpl_path . $tpl_index . '.html';
                $fp = fopen($tpl_file, 'r');
                $this->;template = fread($fp, filesize($tpl_file));
                fclose($fp);
        }

        /**
        * 替换变量,并且"编译"模板.
        */
        function write_cache($tpl_index)
    {
  
                $cache_file = $this->;cache_path . $tpl_index . '.php';

                //变量显示.
                $this->;template = preg_replace("/(\{=)(.+?)(\})/is", "<?=\\2?>;", $this->;template);

                //界面语言替换.
                $this->;template = preg_replace("/\{lang +(.+?)\}/ies", "\$lang['main']['\\1']", $this->;template);

        $fp = fopen($cache_file, 'w');
        flock($fp, 3);
        fwrite($fp, $this->;template);
        fclose($fp);
    }

        /**
        * 替换block.
        */
        function assign_block($search,$replace)
    {
                $this->;template = str_replace($search,$replace,$this->;template);
        }
}
?>;

CODE:

<?php
    /*        不要修改和移动模板中的这个部分          */
    if (!defined("OPENMAIN"))
    {
        header("location: error.html");
    }
    global $boards, $parid, $moderators;
    /*        不要修改和移动模板中的这个部分          */
?>;

<!--  论坛列表模板开始  //--->;
<table align="center" width="500" border="0" cellspacing="1" cellpadding="4" class="forumlist">;
    <tr class="forummenu">;
        <td colspan="2" align="center">;Forum</td>;
        <td align="center">;Topics</td>;
        <td align="center">;Posts</td>;
        <td align="center">;Last Post</td>;
    </tr>;
    <!--  论坛分类开始  //--->;
<?php foreach ($boards[$parid] as $parBoard) { ?>;
    <tr class="category">;
        <td align="left" colspan="5">;<a href="<?=MAINPAGE?>;?mod=list&fid=<?=$parBoard["id"]?>;">;<?=$parBoard["title"]?>;</a>;</td>;
    </tr>;
    <!--  论坛分类结束  //--->;
    <!--  论坛子板块开始  //--->;
<?php foreach ($boards[$parBoard['id']] as $board) { ?>;
    <tr class="forum">;
        <td align="center" valign="middle" style="width:6%;" class="forumturn">;
        <img src="<?=IMAGEDIR?>;forum_active.gif" alt="活动论坛" />;</td>;
        <td align="left" valign="middle">;
        <a href="<?=MAINPAGE?>;?mod=list&fid=<?=$board["id"]?>;">;<?=$board["title"]?>;</a>;
        <br />;<?=$board["info"] ?>;
<?php if ($moderators[$board["id"]][0]["id"] != "") { ?>;
        <span style="font-size: 3px; line-height:3px;">;<br />;<br />;</span>;
        <b>;&Moderator : </b>;
<?php foreach ($moderators[$board["id"]] as $moderator) { ?>;
        <a href="<?=MAINPAGE?>;?mod=user&id=<?=$moderator["id"]?>;">;<?=$moderator["username"]?>;</a>;
<?php } ?>;
<?php } ?>;
        </td>;
        <td align="center" valign="middle" style="width:7%;" class="forumturn">;<?=$board["topics"]?>;</td>;
        <td align="center" valign="middle" style="width:7%;">;<?=$board["posts"]?>;</td>;
        <td align="center" valign="middle" style="width:25%;" class="forumturn">;<?=date("M d Y H:i:s", $board["lastPost"])?>;</td>;
    </tr>;
    <!--  论坛子板块结束  //--->;
<?php } ?>;
<?php } ?>;
</table>;
<!--  论坛列表模板结束  //--->;
<br />;

CODE:

<?php  
require_once('template.php');  

/**  
* 这变量是保存模板文件的路径  
*/  
$path = './templates/';  

/**  
* 声明模板为对象 ，对类的使用。
*/  
$tpl = & new Template($path);  
$tpl->;set('title', 'User List');  

/**  
* 声明模板为对象 ，使用它的变量及函数。
* fetch_user_list() 函数传回数组.  
*/  
$body = & new Template($path);  
$body->;set('user_list', fetch_user_list());  

/**  
* 设置内部模板到 'body' 变量在
* 外部的模板  
*/  
$tpl->;set('body', $body->;fetch('user_list.tpl.php'));  

/**  
* 显示结果  
*/  
echo $tpl->;fetch('index.tpl.php');  
?>;

CODE:

<table>;  
   <tr>;  
       <th>;Id</th>;  
       <th>;Name</th>;  
       <th>;Email</th>;  
       <th>;Banned</th>;  
   </tr>;  
<? foreach($user_list as $user): ?>;  
   <tr>;  
       <td align="center">;<?=$user['id'];?>;</td>;  
       <td>;<?=$user['name'];?>;</td>;  
       <td>;<a

href="mailto:<?=$user['email'];?>;">;<?=$user['email'];?>;</a>;</td>;  
       <td align="center">;<?=($user['banned'] ? 'X' :

'&');?>;</td>;  
   </tr>;  
<? endforeach; ?>;  
</table>;

CODE:

<html>;
   <head>;
       <title>;<?=$title;?>;</title>;
   </head>;

   <body>;

       <h2>;<?=$title;?>;</h2>;

<?=$body;?>;

   </body>;
</html>;

CODE:

<html>;
<head>;
   <title>;User List</title>;
</head>;

<body>;

   <h2>;User List</h2>;

<table>;
<tr>;
   <th>;Id</th>;
   <th>;Name</th>;
   <th>;Email</th>;
   <th>;Banned</th>;
</tr>;
<tr>;
   <td align="center">;1</td>;
   <td>;bob</td>;
   <td>;<a href="mailto:[email protected]">;[email protected]</a>;</td>;
   <td align="center">;&</td>;
</tr>;
<tr>;
   <td align="center">;2</td>;
   <td>;judy</td>;
   <td>;<a href="mailto:[email protected]">;[email protected]</a>;</td>;
   <td align="center">;&</td>;
</tr>;
<tr>;
   <td align="center">;3</td>;
   <td>;joe</td>;
   <td>;<a href="mailto:[email protected]">;[email protected]</a>;</td>;
   <td align="center">;&</td>;
</tr>;
<tr>;
   <td align="center">;4</td>;
   <td>;billy</td>;
   <td>;<a href="mailto:[email protected]">;[email protected]</a>;</td>;
   <td align="center">;X</td>;
</tr>;
<tr>;
   <td align="center">;5</td>;
   <td>;eileen</td>;
   <td>;<a

href="mailto:[email protected]">;[email protected]</a>;</td>;
   <td align="center">;&</td>;
</tr>;
</table>;
</body>;
</html>;

CODE:

<?php
/**
* Example of cached template usage.  Doesn't provide any speed

increase since
* we're not getting information from multiple files or a database, but

it
* introduces how the is_cached() method works.
*/

/**
* First, include the template class.
*/
require_once('template.php');

/**
* Here is the path to the templates.
*/
$path = './templates/';

/**
* Define the template file we will be using for this page.
*/
$file = 'list.tpl.php';

/**
* Pass a unique string for the template we want to cache.  The

template
* file name + the server REQUEST_URI is a good choice because:
*    1. If you pass just the file name, re-used templates will all
*       get the same cache.  This is not the desired behavior.
*    2. If you just pass the REQUEST_URI, and if you are using

multiple
*       templates per page, the templates, even though they are

completely
*       different, will share a cache file (the cache file names are

based
*       on the passed-in cache_id.
*/
$cache_id = $file . $_SERVER['REQUEST_URI'];
$tpl = & new CachedTemplate($path, $cache_id, 900);
/**
* Test to see if the template has been cached.  If it has, we don't
* need to do any processing.  Thus, if you put a lot of db calls in
* here (or file reads, or anything processor/disk/db intensive), you
* will significantly cut the amount of time it takes for a page to
* process.
*
* This should be read aloud as "If NOT Is_Cached"
*/
if(!($tpl->;is_cached())) {
   $tpl->;set('title', 'My Title');
   $tpl->;set('intro', 'The intro paragraph.');
   $tpl->;set('list', array('cat', 'dog', 'mouse'));
}

/**
* Fetch the cached template.  It doesn't matter if is_cached()

succeeds
* or fails - fetch_cache() will fetch a cache if it exists, but if

not,
* it will parse and return the template as usual (and make a cache for
* next time).
*/
echo $tpl->;fetch_cache($file);
?>;

CODE:

<?php  
require_once('template.php');  

$tpl = & new Template('./templates/');  
$tpl->;set('title', 'User Profile');  

$profile = array(  
   'name' =>; 'Frank',  
   'email' =>; '[email protected]',  
   'password' =>; 'ultra_secret'  
);  

$tpl->;set_vars($profile);  

echo $tpl->;fetch('profile.tpl.php');  
?>;

CODE:

<table cellpadding="3" border="0" cellspacing="1">;  
   <tr>;  
       <td>;Name</td>;  
       <td>;<?=$name;?>;</td>;  
   </tr>;  
   <tr>;  
       <td>;Email</td>;  
       <td>;<?=$email;?>;</td>;  
   </tr>;  
   <tr>;  
       <td>;Password</td>;  
       <td>;<?=$password;?>;</td>;  
   </tr>;  
</table>;

CODE:

<table cellpadding="3" border="0" cellspacing="1">;
<tr>;
   <td>;Name</td>;
   <td>;Frank</td>;
</tr>;
<tr>;
   <td>;Email</td>;
   <td>;[email protected]</td>;
</tr>;
<tr>;
   <td>;Password</td>;
   <td>;ultra_secret</td>;
</tr>;
</table>;

CODE:

<?php
/**
* Copyright (c) 2003 Brian E. Lozier ([email protected])
*
* set_vars() method contributed by Ricardo Garcia (Thanks!)
*
* Permission is hereby granted, free of charge, to any person

obtaining a copy
* of this software and associated documentation files (the

"Software"), to
* deal in the Software without restriction, including without

limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense,

and/or
* sell copies of the Software, and to permit persons to whom the

Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be

included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT

SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR

OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,

ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

DEALINGS
* IN THE SOFTWARE.
*/

class Template {
   var $vars; /// Holds all the template variables
   var $path; /// Path to the templates

   /**
    * Constructor
    *
    * @param string $path the path to the templates
    *
    * @return void
    */
   function Template($path = null) {
       $this->;path = $path;
       $this->;vars = array();
   }

   /**
    * Set the path to the template files.
    *
    * @param string $path path to template files
    *
    * @return void
    */
   function set_path($path) {
       $this->;path = $path;
   }

   /**
    * Set a template variable.
    *
    * @param string $name name of the variable to set
    * @param mixed $value the value of the variable
    *
    * @return void
    */
   function set($name, $value) {
       $this->;vars[$name] = $value;
   }

   /**
    * Set a bunch of variables at once using an associative array.
    *
    * @param array $vars array of vars to set
    * @param bool $clear whether to completely overwrite the existing

vars
    *
    * @return void
    */
   function set_vars($vars, $clear = false) {
       if($clear) {
           $this->;vars = $vars;
       }
       else {
           if(is_array($vars)) $this->;vars = array_merge($this->;vars,

$vars);
       }
   }

   /**
    * Open, parse, and return the template file.
    *
    * @param string string the template file name
    *
    * @return string
    */
   function fetch($file) {
       extract($this->;vars);          // Extract the vars to local

namespace
       ob_start();                    // Start output buffering
       include($this->;path . $file);  // Include the file
       $contents = ob_get_contents(); // Get the contents of the

buffer
       ob_end_clean();                // End buffering and discard
       return $contents;              // Return the contents
   }
}

/**
* An extension to Template that provides automatic caching of
* template contents.
*/
class CachedTemplate extends Template {
   var $cache_id;
   var $expire;
   var $cached;

   /**
    * Constructor.
    *
    * @param string $path path to template files
    * @param string $cache_id unique cache identifier
    * @param int $expire number of seconds the cache will live
    *
    * @return void
    */
   function CachedTemplate($path, $cache_id = null, $expire = 900) {
       $this->;Template($path);
       $this->;cache_id = $cache_id ? 'cache/' . md5($cache_id) :

$cache_id;
       $this->;expire   = $expire;
   }

   /**
    * Test to see whether the currently loaded cache_id has a valid
    * corrosponding cache file.
    *
    * @return bool
    */
   function is_cached() {
       if($this->;cached) return true;

       // Passed a cache_id?
       if(!$this->;cache_id) return false;

       // Cache file exists?
       if(!file_exists($this->;cache_id)) return false;

       // Can get the time of the file?
       if(!($mtime = filemtime($this->;cache_id))) return false;

       // Cache expired?
       if(($mtime + $this->;expire) < time()) {
           @unlink($this->;cache_id);
           return false;
       }
       else {
           /**
            * Cache the results of this is_cached() call.  Why?  So
            * we don't have to double the overhead for each template.
            * If we didn't cache, it would be hitting the file system
            * twice as much (file_exists() & filemtime() [twice

each]).
            */
           $this->;cached = true;
           return true;
       }
   }

   /**
    * This function returns a cached copy of a template (if it

exists),
    * otherwise, it parses it as normal and caches the content.
    *
    * @param $file string the template file
    *
    * @return string
    */
   function fetch_cache($file) {
       if($this->;is_cached()) {
           $fp = @fopen($this->;cache_id, 'r');
           $contents = fread($fp, filesize($this->;cache_id));
           fclose($fp);
           return $contents;
       }
       else {
           $contents = $this->;fetch($file);

           // Write the cache
           if($fp = @fopen($this->;cache_id, 'w')) {
               fwrite($fp, $contents);
               fclose($fp);
           }
           else {
               die('Unable to write cache.');
           }

           return $contents;
       }
   }
}
?>;