控制器基類-php教程-PHP中文網

控制器基類

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發布： 2016-07-25 08:47:57

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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]):'';
}
}

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