控制器基類

複製程式碼

非常簡單實用的控制器基類

/**
 * @desc 控制器基底類別
 * @date 2013-05-06
 * @author liudesheng
*/
defined('SYS_PATH') || die('訪問非法');
class controller
{
	//當前控制器
	protected $_controller;
	//當前動作方法
	protected $_action;
	//權限數組
	protected $_permissions;
 //範本檔案
 private $_layout = 'layout';

 //建構子
 function __construct($controller,$action)
 {
 if('exception' != $controller){
 $this->_controller = $controller;
 $this->_action = $action;

 //登入檢查和存取權限控制部分,登入頁面不需要驗證
 $trust_action = util::c('trust_action');
 if(!isset($trust_action[$this->_controller]) || !in_array($this->_action,$trust_action[$ this->_controller])){
 $this->login();
 //$this->privilege();
 }
 $this->init();
 }else{//異常處理
 $this->exception($action);
 }
 }

 //初始化方法，用於繼承運算
 protected function init( ){}

 //異常處理方法
 private function exception($msg)
 {
 $this->showErr($msg,$layout);
 }

 //驗證登入
 private function login()
 {
 if(!$this->isLogin()){
 if($this->isAjax()){
 header('HTTP/1.1 403 Forbidden');
 header("Error-Json:{code:'login'}");
 exit();
 }else{
 $
 $ this->redirect('index','login');
 }
 }
 }

 //判斷是否登入
 protected final function isLogin()
 {
 $auth = isset($_COOKIE['auth'])?$_COOKIE['auth']:'';
 $isLogin = false;
 if($auth){
 $info = trim(file_get_contents('check.txt'));
 if(strcmp($auth,md5('steve'.$info.util::c('login_auth_suffix'))) == 0){
 $isLogin = true;
 }
 }
 return $isLogin;
 }

 //驗證權限
 private function privilege()
 {
 $this->getPermissions();
 if(!$this->isAllow()){
 if($this->isAjax()){
 header('HTTP/1.1 403 Forbidden') ;
 header( "Error-Json:{code:'access'}");
 exit();
 }else{
 $this->showErr('對不起,您沒有此權限');
 }
 }
 }

 //取得權限資訊
 protected final function getPermissions()
 {
 $privilege = $this-this> ['privilege'];
 $permissions_priv = util::c('permissions',$privilege);
 if(!isset($permissions_priv['city'])){
 $this-> cityPriv = 'all'; //為了簡化列表查詢,方便以後可能添加所有城市權限選擇
 }else{
 unset($permissions_priv['city']);
 }
 foreach( $permissions['common'] as $ct => $ac){
 if(isset($permissions_priv[$ct]) && 'all' == $permissions_priv[$ct])
 continue;
 if('all' == $ac)
 $permissions_priv[$ct] = 'all';
 else //這種情況必須是數組，節省資源，不做判斷了
 $permissions_priv [$ct] = isset($permissions_priv[$ct])?array_merge($permissions_priv[$ct],$ac):$ac;
 }
 $this->_permissions = $permissions_priv
;
 }

 //依權限類型判斷是否有權限
 protected final function isAllow($controller='',$action='')
 {
 if(!isset($this ->_permissions))
 $this->getPermissions();
 $allow = false;
 $ct = $controller?$controller:$this->_controller;
 $ac = $action ?$action:$this->_action;
 $permission_action = $this->_permissions[$ct];
 if($permission_action && ('all' == $permission_action || in_array($ac,$ permission_action) || 'any' == $action))
 $allow = true;
 return $allow;
 }


 //錯誤訊息頁
 protected function showErr($errMsg,$layout = null)
 {
 $this->title = "錯誤提示";
 $this->errMsg = $errMsg;
 $this->render( 'error',$layout);
 }

 //成功資訊頁
 protected function showSucc($msg,$skipUrl,$skipPage,$layout = null)
 {
 $this->title = "成功提示";
 $this->msg = $msg;
 $this->skipUrl = $skipUrl;
 $this->skipPage = $skipPage;
 $this->render('success',$layout);
 }

 //顯示有權限的連結
 protected function showPemissionLink($title,$ct,$ac,$param =array(),$wrap='')
 {
 if($wrap){
 $wrap_start = '';
 $wrap_end = ' '.$wrap.'>';
 }else{ $wrap_start = $wrap_end = ''; }
 if($this->isAllow($ct,$ac))
 echo $wrap_start,'',$title,'',$wrap_end;
 }

 // 視圖解析方法
 protected function render($template = null,$Layout = null)
 {
 !is_null($layout) && $this->_layout = $layout;
 !$template && $template = $this->_controller.'_'.$ this->_action;
 ob_start();
 include(MODULE_PATH.'views/'.$this->_layout.'.tpl.php');
 $content = ob_get_clean();
 if($this->staticFile){
 file_put_contents($this->staticFile,$content);
 }
 echo $content;
 exit;
 }
 echo $content;
 exit;
 }

 受保護函數showHtml($html,$expire=3600,$path='')
 {
 空($path) && $path=ROOT_PATH;
 $this->staticFile = sprintf ('%s%s.html',$path,$html);
 $mkhtml = intval($this->_G('mkhtml'));
 if(!$mkhtml){
 if(file_exists($this->staticFile)){
 $fmtime = filemtime($this->staticFile);
 if(time()-$fmtime  include $this->staticFile;
 退出;
 }
 }
 }
 }

 // //產生url
 protected function url($ct='',$ac='',$param = array(),$module='')
 {
 return $ GLOBALS['app']- >url($ct,$ac,$param,$module);
 }

 //url 截圖
 protected 函數重定向($ct=' ',$ac='', $ param = array())
 {
 header('位置:'.$this->url($ct,$ac,$param));
 exit();
 }

 //url跳轉
 protected function redirectUrl($url)
 {
 header('location:'.$url);
 exit();
 }

 //取得返回重定向url
 protected function getBru()
 {
 return $_COOKIE[util::c('bru_cookie_name')]? $_COOKIE[util::c('bru_cookie_name')]:$this->url();
 }

 // 是否是ajax請求
 protected function isAjax()
 {
 if(isset( $_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest')
 回傳true;
 返回🎜>; > //回傳json資料
 protected function returnJson($data)
 {
 echo json_encode($data);
 exit();
 }

 // GET
 受保護函數_G($name)
 {
 return isset($_GET[$name])?util::sanitize($_GET[$name]):'';
 }
 //POST
 受保護函數_P($name)
 {
 if(!isset($_POST[$name]) || (is_string($_POST[$name]) && mb_strpos( $_POST[$name],'請輸入',0,'gbk') === 0)){
 return '';
 }else {
 return util::sanitize($ _POST[ $name]);
 }
 }
 //REQUEST
 受保護函數_R($name)
 {
 return isset($_REQUEST[$name]) ?util: :sanitize($_REQUEST[$name]):'';
 }
}