PHPCMSV9 乱解读 之 PHPCMS V9的MVC

	/**
	 * 加载配置文件
	 * @param string $file 配置文件
	 * @param string $key  要获取的配置键
	 * @param string $default  默认配置。当获取配置项目失败时该值发生作用。
	 * @param boolean $reload 强制重新加载。
	 */
	public static function load_config($file, $key = "', $default = '', $reload = false) {
		static $configs = array();
		if (!$reload && isset($configs[$file])) {
			if (empty($key)) {
				return $configs[$file];
			} elseif (isset($configs[$file][$key])) {
				return $configs[$file][$key];
			} else {
				return $default;
			}
		}
		$path = CACHE_PATH.'configs'.DIRECTORY_SEPARATOR.$file.'.php';
		if (file_exists($path)) {
			$configs[$file] = include $path;
		}
		if (empty($key)) {
			return $configs[$file];
		} elseif (isset($configs[$file][$key])) {
			return $configs[$file][$key];
		} else {
			return $default;
		}
	}

	/**
	 * 加载类文件函数
	 * @param string $classname 类名
	 * @param string $path 扩展地址
	 * @param intger $initialize 是否初始化
	 */
	private static function _load_class($classname, $path = "', $initialize = 1) {
		static $classes = array();
		if (empty($path)) $path = 'libs'.DIRECTORY_SEPARATOR.'classes';

		$key = md5($path.$classname);
		if (isset($classes[$key])) {
			if (!empty($classes[$key])) {
				return $classes[$key];
			} else {
				return true;
			}
		}
		if (file_exists(PC_PATH.$path.DIRECTORY_SEPARATOR.$classname.'.class.php')) {
			include PC_PATH.$path.DIRECTORY_SEPARATOR.$classname.'.class.php';
			$name = $classname;
			if ($my_path = self::my_path(PC_PATH.$path.DIRECTORY_SEPARATOR.$classname.'.class.php')) {
				include $my_path;
				$name = 'MY_'.$classname;
			}
			if ($initialize) {
				$classes[$key] = new $name;
			} else {
				$classes[$key] = true;
			}
			return $classes[$key];
		} else {
			return false;
		}
	}

	/**
	 * 加载控制器
	 * @param string $filename
	 * @param string $m
	 * @return obj
	 */
	private function load_controller($filename = "', $m = '') {
		if (empty($filename)) $filename = ROUTE_C;
		if (empty($m)) $m = ROUTE_M;
		$filepath = PC_PATH.'modules'.DIRECTORY_SEPARATOR.$m.DIRECTORY_SEPARATOR.$filename.'.php';
		if (file_exists($filepath)) {
			$classname = $filename;
			include $filepath;
			if ($mypath = pc_base::my_path($filepath)) {
				$classname = 'MY_'.$filename;
				include $mypath;
			}
			if(class_exists($classname)){
				return new $classname;
			}else{
				exit('Controller does not exist.');
 			}
		} else {
			exit('Controller does not exist.');
		}
	}

	//内容页
	public function show() {
		$catid = intval($_GET["catid']);
		$id = intval($_GET['id']);
                ...

		include template('content',$template);
	}

/**
 * 模板调用
 *
 * @param $module
 * @param $template
 * @param $istag
 * @return unknown_type
 */
function template($module = "content', $template = 'index', $style = '') {

	if(strpos($module, 'plugin/')!== false) {
		$plugin = str_replace('plugin/', '', $module);
		return p_template($plugin, $template,$style);
	}
	$module = str_replace('/', DIRECTORY_SEPARATOR, $module);
	if(!empty($style) && preg_match('/([a-z0-9\-_]+)/is',$style)) {
	} elseif (empty($style) && !defined('STYLE')) {
		if(defined('SITEID')) {
			$siteid = SITEID;
		} else {
			$siteid = param::get_cookie('siteid');
		}
		if (!$siteid) $siteid = 1;
		$sitelist = getcache('sitelist','commons');
		if(!empty($siteid)) {
			$style = $sitelist[$siteid]['default_style'];
		}
	} elseif (empty($style) && defined('STYLE')) {
		$style = STYLE;
	} else {
		$style = 'default';
	}
	if(!$style) $style = 'default';
	$template_cache = pc_base::load_sys_class('template_cache');
	$compiledtplfile = PHPCMS_PATH.'caches'.DIRECTORY_SEPARATOR.'caches_template'.DIRECTORY_SEPARATOR.$style.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.php';
	if(file_exists(PC_PATH.'templates'.DIRECTORY_SEPARATOR.$style.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html')) {
		if(!file_exists($compiledtplfile) || (@filemtime(PC_PATH.'templates'.DIRECTORY_SEPARATOR.$style.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html') > @filemtime($compiledtplfile))) {
			$template_cache->template_compile($module, $template, $style);
		}
	} else {
		$compiledtplfile = PHPCMS_PATH.'caches'.DIRECTORY_SEPARATOR.'caches_template'.DIRECTORY_SEPARATOR.'default'.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.php';
		if(!file_exists($compiledtplfile) || (file_exists(PC_PATH.'templates'.DIRECTORY_SEPARATOR.'default'.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html') && filemtime(PC_PATH.'templates'.DIRECTORY_SEPARATOR.'default'.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html') > filemtime($compiledtplfile))) {
			$template_cache->template_compile($module, $template, 'default');
		} elseif (!file_exists(PC_PATH.'templates'.DIRECTORY_SEPARATOR.'default'.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html')) {
			showmessage('Template does not exist.'.DIRECTORY_SEPARATOR.$style.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html');
		}
	}
	return $compiledtplfile;
}

	/**
	 * 解析模板
	 *
	 * @param $str	模板内容
	 * @return ture
	 */
	public function template_parse($str) {
		$str = preg_replace ( "/\{template\s+(.+)\}/", "<?php include template(\\1); ?>", $str );
		$str = preg_replace ( "/\{include\s+(.+)\}/", "", $str );
		$str = preg_replace ( "/\{php\s+(.+)\}/", "", $str );
		$str = preg_replace ( "/\{if\s+(.+?)\}/", "", $str );
		$str = preg_replace ( "/\{else\}/", "", $str );
		$str = preg_replace ( "/\{elseif\s+(.+?)\}/", "", $str );
		$str = preg_replace ( "/\{\/if\}/", "", $str );
		//for 循环
		$str = preg_replace("/\{for\s+(.+?)\}/","",$str);
		$str = preg_replace("/\{\/for\}/","",$str);
		//++ --
		$str = preg_replace("/\{\+\+(.+?)\}/","",$str);
		$str = preg_replace("/\{\-\-(.+?)\}/","",$str);
		$str = preg_replace("/\{(.+?)\+\+\}/","",$str);
		$str = preg_replace("/\{(.+?)\-\-\}/","",$str);
		$str = preg_replace ( "/\{loop\s+(\S+)\s+(\S+)\}/", "", $str );
		$str = preg_replace ( "/\{loop\s+(\S+)\s+(\S+)\s+(\S+)\}/", " \\3) { ?>", $str );
		$str = preg_replace ( "/\{\/loop\}/", "", $str );
		$str = preg_replace ( "/\{([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff:]*\(([^{}]*)\))\}/", "", $str );
		$str = preg_replace ( "/\{\\$([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff:]*\(([^{}]*)\))\}/", "", $str );
		$str = preg_replace ( "/\{(\\$[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)\}/", "", $str );
		$str = preg_replace("/\{(\\$[a-zA-Z0-9_\[\]\"\"\$\x7f-\xff]+)\}/es", "\$this->addquote('')",$str);
		$str = preg_replace ( "/\{([A-Z_\x7f-\xff][A-Z0-9_\x7f-\xff]*)\}/s", "", $str );
		$str = preg_replace("/\{pc:(\w+)\s+([^}]+)\}/ie", "self::pc_tag('$1','$2', '$0')", $str);
		$str = preg_replace("/\{\/pc\}/ie", "self::end_pc_tag()", $str);
		$str = "" . $str;
		return $str;
	}

	/**
	 * 加载数据模型
	 * @param string $classname 类名
	 */
	public static function load_model($classname) {
		return self::_load_class($classname,"model');
	}

defined("IN_PHPCMS') or exit('No permission resources.');
pc_base::load_sys_class('model', '', 0);
class admin_model extends model {
	public function __construct() {
		$this->db_config = pc_base::load_config('database');
		$this->db_setting = 'default';
		$this->table_name = 'admin';
		parent::__construct();
	}
}