一個做頁面靜態化的php類
__sh = StaticHtml::getInstance();
* }
* function __destruct(){
* $this->__sh->_static();
* }
*
* */
class StaticHtml{
private static $_instance = null; /* 單例模式，自身的引用 */
private $_needStatic = false; /* 是否需要將其靜態化 */
private $_needDeleteStatic = false; /* 是否需要刪除其靜態化的頁面 */
private $_hasStaticed = true; /* 是否存在其的靜態化頁面 */
private $_controller = null; /* 當前被訪問的controller */
private $_action = null; /* 當前被訪問的action */
// private $_staticAgain = false; /* 刪除靜態文件後，是否馬上重新更新【【注意】再次請求】 */
private $_save_path = null; /* 將要創建或者刪除的靜態文件的路徑 */
private $_conf = array( /* 此文件定義一些靜態文件的存放方式 */
'files_per_directory' => 100 /* 此值不允許被修改，除非是要刪除所有已經存在的靜態文件，重新緩存 */
);
private $_staticList = array( /* 此數組，定義了需要創建靜態化頁面的Controller的action */
// 'Base' => array( /* Base為controller name */
// 'aaa' => array( /* aaa為action name */
// 'save_path' => '/StaticHtml/Base/aaa/', /* save_path為生成的靜態文件存放的根路徑 */
// 'static_base' => 'id', /* static_base為生成靜態文件的“依據”。建議為對應數據庫的primary_key */
// 'alias' => 'aaa' /* 靜態文件的名字，否則為1.html */
// )
// )
'Mynotes' => array(
'look_notes' => array(
'save_path' => '/StaticHtml/Mynotes/look_notes/',
'static_base' => 'id',
'alias' => 'note'
),
'add_personal_notes' => array(
'save_path' => '/StaticHtml/Mynotes/',
'alias' => 'note-add'
)
),
'Resource' => array(
'allResource' => array(
'save_path' => '/StaticHtml/Resource/',
'alias' => 'allResource'
),
'resource_add' => array(
'save_path' => '/StaticHtml/Resource/',
'alias' => 'resourceAdd'
)
),
'Thing' => array(
'suggestion_of_lecture' => array(
'save_path' => '/StaticHtml/Lecture/',
'alias' => 'voteLecture'
)
),
'Passwordfix' => array(
'index' => array(
'save_path' => '/StaticHtml/Information/',
'alias' => 'updatePassword'
)
),
'Information' => array(
'index' => array(
'save_path' => '/StaticHtml/Information/',
'static_base' => 'user_id',
'alias' => 'information'
)
),
'Courseinfo' => array(
'course_show' => array(
'save_path' => '/StaticHtml/Information/',
'static_base' => 'user_id',
'alias' => 'course'
)
)
);
private $_deleteList = array( /* 此數組，定義了需要刪除某些靜態化頁面的Controller的action */
// 'Base' => array( /* Base為controller name */
// 'bbb' => array( /* bbb為action name */
// 'save_path' => '/StaticHtml/Base/aaa/', /* save_path為要刪除的靜態文件存放的根路徑 */
// 'static_base' => 'id', /* static_base為確定靜態文件路徑的“依據”。建議為對應數據庫的primary_key */
// 'alias' => 'aaa' /* 靜態文件的名字，否則為1.html */
// )
// )
'Mynotes' => array(
'edits_notes' => array(
'save_path' => '/StaticHtml/Mynotes/look_notes/',
'static_base' => 'id',
'alias' => 'note'
)
),
'Information' => array(
'save_user_info' => array(
'save_path' => '/StaticHtml/Information/',
'static_base' => 'user_id',
'alias' => 'information'
)
),
'Courseinfo' => array(
'course_update' => array(
'save_path' => '/StaticHtml/Information/',
'static_base' => 'user_id',
'alias' => 'course'
)
)
);
private function __construct(){
$this->needStatic(); /* 確定本次請求是否需要靜態化 */
$this->hasStaticed(); /* 確定本次請求是否已經存在靜態化頁面 */
$this->needDeleteStatic(); /* 確定本次請求是否需要刪除某些靜態頁面 */
}
/* 確定需要刪除的靜態文件的存放路徑 */
private function needDeleteStatic(){
if($this->_needDeleteStatic){
$save_path = $this->getSavePath($this->_deleteList[$this->_controller][$this->_action]);
$this->_hasStaticed = false;
if(file_exists(ROOT_PATH.$save_path)){
$this->_hasStaticed = true;
}
// $this->_staticAgain = $this->_deleteList[$this->_controller][$this->_action]['visitAgain'];
$this->_save_path = ROOT_PATH.$save_path;
}
}
/* 獲取本類的，唯一的，實例化 */
public static function getInstance(){
if(!(self::$_instance instanceof self)){
self::$_instance = new self();
}
return self::$_instance;
}
/* 判斷是否存在其靜態化的文件 */
private function hasStaticed(){
if($this->_needStatic){
$save_path = $this->getSavePath($this->_staticList[$this->_controller][$this->_action]);
if(!file_exists(ROOT_PATH.$save_path)){
$this->_hasStaticed = false;
ob_start();
}else{
header("location: http://".$_SERVER['HTTP_HOST'].dirname($_SERVER['SCRIPT_NAME']).$save_path);
}
$this->_save_path = ROOT_PATH.$save_path;
}
}
/* 獲取本次請求要生成或者刪除的，靜態化文件的路徑 */
private function getSavePath($conf){
if(!isset($conf['static_base'])){
$save_path = $conf['save_path'];
$save_path .= $conf['alias'].'.html';
}else{
if($conf['static_base'] == 'user_id'){
$id = (int)$_SESSION['logined_user']['id'];
}else{
if(IS_GET){
$id = $_GET[$conf['static_base']];
}else{
$id = $_POST[$conf['static_base']];
}
}
$save_path = $conf['save_path'];
$directory_id = ceil($id/$this->_conf['files_per_directory']);
$save_path .= $directory_id.'/';
if($conf['alias']){
$fileName = $conf['alias'].'-';
}
$fileName .= $id.'.html';
$save_path .= $fileName;
}
return $save_path;
}
/* 確定本次請求，是否需要生成靜態化文件 */
private function needStatic(){
$url = explode('/',__ACTION__);
$this->_controller = $url[4];
$this->_action = $url[5];
if(isset($this->_staticList[$this->_controller]) && isset($this->_staticList[$this->_controller][$this->_action])){
$this->_needStatic = true;
}
if(isset($this->_deleteList[$this->_controller]) && isset($this->_deleteList[$this->_controller][$this->_action])){
$this->_needDeleteStatic = true;
}
}
/* 生成，或者刪除，靜態化文件 */
public function _static(){
if($this->_needStatic && !$this->_hasStaticed){
$html = ob_get_contents();
$this->_mkdir(dirname($this->_save_path));
file_put_contents($this->_save_path,$html);
}
if($this->_needDeleteStatic && $this->_hasStaticed){
unlink($this->_save_path);
/*if($this->_staticAgain){
header("location: http://www.baidu.com");
// header("location: http://".$_SERVER['HTTP_HOST'].'/'.$_SERVER['REQUEST_URI']);
}*/
}
}
/* 創建目錄 */
private function _mkdir($path){
if (!file_exists($path)){
$this->_mkdir(dirname($path));
mkdir($path, 0777);
}
}
}
?>
