php类的使用实例教程-PHP源码

php类的使用实例教程

/**
* Class program for yinghua05-2
* designer :songsong
*/

class Template {
var $tpl_vars;
var $tpl_path;
var $_debug;

/**
* Construct for Template
* PHP5 or upper version
*/
function __construct() {
$this->Template();
}

/**
* Construct for Template
*
* @return Template
*/
function Template() {
$this->tpl_vars = array();
$this->tpl_path = '';
$this->_debug = false;
}

/**
* Set template path
*
* @param string $path
* @return boolean
*/
function setPath($path) {
if(is_dir($path)) {
$path = rtrim($path,'/').'/';
$this->tpl_path = $path;
return true;
} else {
if($this->_debug) {
$this->_debug('template path is not exists.');
}
return false;
}
}

/**
* Enter description here...
*
* @param mixed $var
* @param mixed $val
*/
function assign($var,$val) {
if(isset($var) && is_array($var)) {
$this->tpl_vars = $var;
} else if(isset($var) && $var != '') {
$this->tpl_vars[$var] = $val;
} else {
if($this->_debug == true) {
$this->_debug('set variable error.');
}
return false;
}
}

/**
* Display template file
*
* @param String $file_name
*/
function display($file_name) {
ob_start();
extract($this->tpl_vars);
$include_flie = $this->tpl_path . $file_name;
if(!file_exists($include_flie)) {
if($this->_debug)
$this->_debug('Template file "'.$include_flie.'" is not exists.');
else
exit('Template error, please check it.');
}
include($include_flie);
$cOntent= ob_get_contents();
ob_end_clean();

echo $content;
}

/**
* Debuging
*
*/
function _debug($msg = '') {
die('Error :'.$msg);
}
}

?>