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//Page.class.php類檔案
//分頁類
class Page {
private $_total; //總記錄數
private $_pagesize; //每頁顯示記錄數
private $_pagenum; //從哪一頁開始顯示
private $_url; //目前頁面位址
private $_both_num; //兩邊顯示的條數
private $_limit; //limit
private $_page; //目前頁碼
private $_get; //接收get傳過來的值
private $_pageshow; //對外顯示的分頁效果
private $_pagesum; //總頁數
private $_index; //是否顯示首頁和尾頁
public function __set($key,$value){
$this->$key=$value;
}
public function __get($key){
return $this->$key;
}
//構造函數初始化
public function __construct($total,$get,$pagesize=10,$both_num=2,$index=1){
$this->getTotal($total);
$this->_get=$get;
$this->_pagesize=$pagesize;
$this->_pagesum=ceil($this->_total/$this->_pagesize);
$this->_page=$this->getPage();
$this->_pagenum=($this->_page-1)*$this->_pagesize;
$this->_limit="limit ".$this->_pagenum.",".$this->_pagesize;
$this->_url=$this->getUrl();
$this->_both_num=$this->getBothNum($both_num);
$this->_index=$index;
}
//擷取總記錄數
private function getTotal($total){
if($total<=0){
$this->_total=1;
}else{
$this->_total=$total;
}
}
//擷取目前頁碼
private function getPage(){
if(!empty($this->_get)&&is_numeric($this->_get)){
if($this->_get>0){
$this->_get=ceil($this->_get);
if($this->_get>$this->_pagesum){
return $this->_pagesum;
}else{
return $this->_get;
}
}else{
return 1;
}
}else{
return 1;
}
}
//擷取目前頁面除去page之後的位址
private function getUrl(){
$url=$_SERVER['REQUEST_URI'];
$url=parse_url($url);
if(!empty($url['query'])){
$url_arr=explode('&',$url['query']);
if(count($url_arr)>1){
array_pop($url_arr);