www.gusucode.com > Ectouch手机端网购商城系统PHP版源码程序 > ectouch/include/EcTemplate.class.php
<?php
/**
* ECTouch Open Source Project
* ============================================================================
* Copyright (c) 2012-2014 http://ectouch.cn All rights reserved.
* ----------------------------------------------------------------------------
* 文件名称：EcTemplate.class.php
* ----------------------------------------------------------------------------
* 功能描述：模板类
* ----------------------------------------------------------------------------
* Licensed ( http://www.ectouch.cn/docs/license.txt )
* ----------------------------------------------------------------------------
*/
/* 访问控制 */
defined('IN_ECTOUCH') or die('Deny Access');
class EcTemplate {
public $config = array(); //配置
protected $vars = array(); //存放变量信息
protected $_replace = array();
/**
* 构造函数
* @param unknown $config
*/
public function __construct($config = array()) {
$this->config = array_merge(C('TPL'), (array) $config); //参数配置
$this->assign('EcTemplate', $this);
$this->_replace = array(
'str' => array('search' => array(),
'replace' => array()
),
'reg' => array('search' => array("/__[A-Z]+__/", //替换常量
"/{include\s*file=\"(.*)\"}/i", //递归解析模板包含
),
'replace' => array("<?php echo $0;?>",
"<?php \$EcTemplate->display(\"$1\"); ?>",
)
)
);
}
/**
* 模板赋值
* @param unknown $name
* @param string $value
*/
public function assign($name, $value = '') {
if (is_array($name)) {
foreach ($name as $k => $v) {
$this->vars[$k] = $v;
}
} else {
$this->vars[$name] = $value;
}
}
/**
* 执行模板解析输出
* @param string $tpl
* @param string $return
* @param string $is_tpl
* @throws Exception
* @return string
*/
public function display($tpl = '', $return = false, $is_tpl = true) {
//如果没有设置模板，则调用当前模块的当前操作模板
if ($is_tpl && ($tpl == "") && (!empty($_GET['_module'])) && (!empty($_GET['_action']))) {
$tpl = $_GET['_module'] . "/" . $_GET['_action'];
}
if ($return) {
if (ob_get_level()) {
ob_end_flush();
flush();
}
ob_start();
}
extract($this->vars, EXTR_OVERWRITE);
if ($is_tpl && $this->config['TPL_CACHE_ON']) {
define('ECTOUCH', true);
$tplFile = $this->config['TPL_TEMPLATE_PATH'] . $tpl . $this->config['TPL_TEMPLATE_SUFFIX'];
$cacheFile = $this->config['TPL_CACHE_PATH'] . md5($tplFile) . $this->config['TPL_CACHE_SUFFIX'];
if (!file_exists($tplFile)) {
exit($tplFile . "模板文件不存在");
}
//普通的文件缓存
if (empty($this->config['TPL_CACHE_TYPE'])) {
if (!is_dir($this->config['TPL_CACHE_PATH'])) {
@mkdir($this->config['TPL_CACHE_PATH'], 0777, true);
}
if ((!file_exists($cacheFile)) || (filemtime($tplFile) > filemtime($cacheFile))) {
file_put_contents($cacheFile, "<?php if (!defined('ECTOUCH')) exit;?>" . $this->compile($tpl)); //写入缓存
}
include( $cacheFile ); //加载编译后的模板缓存
} else {
//支持memcache等缓存
$tpl_key = md5(realpath($tplFile));
$tpl_time_key = $tpl_key . '_time';
static $cache = NULL;
$cache = is_object($cache) ? $cache : new EcCache($this->config, $this->config['TPL_CACHE_TYPE']);
$compile_content = $cache->get($tpl_key);
if (empty($compile_content) || (filemtime($tplFile) > $cache->get($tpl_time_key))) {
$compile_content = $this->compile($tpl);
$cache->set($tpl_key, $compile_content, 3600 * 24 * 365); //缓存编译内容
$cache->set($tpl_time_key, time(), 3600 * 24 * 365); //缓存编译内容
}
exit($compile_content);
eval('?>' . $compile_content);
}
} else {
eval('?>' . $this->compile($tpl, $is_tpl)); //直接执行编译后的模板
}
if ($return) {
$content = ob_get_contents();
ob_end_clean();
return $content;
}
}
/**
* 自定义添加标签
* @param unknown $tags
* @param string $reg
*/
public function addTags($tags = array(), $reg = false) {
$flag = $reg ? 'reg' : 'str';
foreach ($tags as $k => $v) {
$this->_replace[$flag]['search'][] = $k;
$this->_replace[$flag]['replace'][] = $v;
}
}
/**
* 模板编译核心
* @param unknown $tpl
* @param string $is_tpl
* @throws Exception
* @return mixed
*/
protected function compile($tpl, $is_tpl = true) {
if ($is_tpl) {
$tplFile = $this->config['TPL_TEMPLATE_PATH'] . $tpl . $this->config['TPL_TEMPLATE_SUFFIX'];
if (!file_exists($tplFile)) {
exit($tplFile . "模板文件不存在");
}
$template = file_get_contents($tplFile);
} else {
extract($this->vars, EXTR_OVERWRITE);
$template = $tpl;
}
//如果自定义模板标签解析函数tpl_parse_ext($template)存在，则执行
if (function_exists('tpl_parse_ext')) {
$template = tpl_parse_ext($template);
}
$template = str_replace($this->_replace['str']['search'], $this->_replace['str']['replace'], $template);
$template = preg_replace($this->_replace['reg']['search'], $this->_replace['reg']['replace'], $template);
$template = preg_replace("/\<\!\-\-\{(.+?)\}\-\-\>/s", '{$1}', $template);
// 普通变量数组转化.
$varRegexp = "((\\\$[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*(\-\>)?[a-zA-Z0-9_\x7f-\xff]*)(\[[a-zA-Z0-9_\-\.\"\'\[\]\$\x7f-\xff]+\])*)";
$varRegexp2 = "\{((\\\$[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*(\-\>)?[a-zA-Z0-9_\x7f-\xff]*)(\[[a-zA-Z0-9_\-\.\"\'\[\]\$\x7f-\xff]+\])*)\}";
$const_regexp = "([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)";
$template = preg_replace("/\{(\\\$[a-zA-Z0-9_\[\]\'\"\$\.\x7f-\xff]+)\}/s", '<?=$1?>', $template);
$template = preg_replace_callback("/$varRegexp2/is", array(&$this,'preg__var'), $template);
$template = preg_replace_callback("/$varRegexp/is", array(&$this,'preg__var'), $template);
$template = preg_replace_callback("/\<\?\=\<\?\=$varRegexp\?\>\?\>/is",array(&$this,'preg__var'), $template,-1,$regint);
$template = strtr($template, array('<?php' => '<?', '<?php echo' => '<?=','?><?php'=>' '));
$template = strtr($template, array('<?' => '<?php', '<?=' => '<?php echo '));
return $template;
}
}
function preg__var($math){
if(is_string($math) === false)
$math = $math[1];
$returnstr = '';
if($math){
$math = trim($math, '<>?=');
$varname = "<?={$math}?>";
$returnstr = str_replace("\\\"", "\"", preg_replace("/\[([a-zA-Z0-9_\-\.\x7f-\xff]+)\]/sU", "['\\1']", $varname));
}
return $returnstr;
}