php简单的自定义模板引擎类。

<?phpclass MyTpl {private $template_dir;private $compile_dir;private $tpl_vars=array();public function __construct($template_dir="./templates", $compile_dir="./templates_c"){$this->template_dir=rtrim($template_dir,"/").'/';$this->compile_dir=rtrim($compile_dir, "/").'/';}public function assign($tpl_var, $value=null){if($tpl_var!="")$this->tpl_vars[$tpl_var]=$value;}public function display($fileName){$tplFile=$this->template_dir.$fileName;if(!file_exists($tplFile)){return false;}$comFileName=$this->compile_dir."com_".$fileName.".php";if(!file_exists($comFileName) || filemtime($comFileName) < filemtime($tplFile)){$repContent=$this->tpl_replace(file_get_contents($tplFile));file_put_contents($comFileName, $repContent);}include $comFileName;}private function tpl_replace($content){$pattern=array('/\<\{\s*\$([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)\s*\}\>/i');$replacement=array('<?php echo $this->tpl_vars["${1}"]; ?>');$repContent=preg_replace($pattern, $replacement, $content);return $repContent;}}?>