-
-
- /**
- * filename: ext_page.class.php
- * @package:phpbean
- * @author :feifengxlq
- * @copyright :Copyright 2006 #gmail.com>
- * @copyright :Copyright 2006 #gmail.com>
- * @copyright :Copyifeng> :version 2.0
- * description: 分頁類,四分頁模式
- * 2.0增加功能:支援自訂風格,自訂樣式,同時支援PHP4和PHP5,
- * to see detail,please visit http ://www.phpobject.net/blog/read.php?
- * example:
- * 模式四種分頁模式:
- require_once('../libs/classes/page.class.php' );
- $page=new page(array('total'=>1000,'perpage'=>20));
- echo 'mode:1
'.$page->show();
- echo '
mode:2 '.$page->show(2);
- echo '
mode:3 '.$page->show(3);
- echo '
mode:4 '.$page->show(4);
- 開啟AJAX:
- $ajaxpage=new page(array('total'=>1000,' perpage'=>20,'ajax'=>'ajax_page','page_name'=>'test'));
- echo 'mode:1
'.$ajaxpage->show();
- 採用繼承自訂分頁顯示模式:
- demo:http://www.phpobject.net/blog
- */
- class page
- {
- /**
- * 配置,公用
- */
- var $page_name="PB_page";//page標籤,用來控制url頁
- var $next_page='>';//下一頁
- var $pre_page='var $first_page='First';//首頁
- var $last_page='Last';//尾頁
- var $pre_bar='var $next_bar='>>';//下一分頁條
- var $format_left='[';
- var $format_right=']';
- var $is_ajax =false;//是否支援AJAX分頁模式
/**
- * 私人
- *
- */
- var $pagebarnum=10;//控制記錄列的數量。
- var $totalpage=0;//總頁數
- var $ajax_action_name='';//AJAX動作名稱
- var $nowindex=1;//目前頁
- var $url=" ";//url位址頭
- var $offset=0;
/**
- * 建構子建構子
- *
- * @param array $array['total'],$array['perpage'],$array['nowindex'],$array['url'] , $array['ajax']
- */
- function page($array)
- {
- if(is_array($array)){
- if(!array_key_exists('total',$array))$this->error(__FUNCTION__,'need a param of total');
- $total=intval( $array['total']);
- $perpage=(array_key_exists('perpage',$array))?intval($array['perpage']):10;
- $nowindex=(array_key_exists(' nowindex',$array))?intval($array['nowindex']):'';
- $url=(array_key_exists('url',$array))?$array['url']:'' ;
- }else{
- $total=$array;
- $perpage=10;
- $nowindex='';
- $url='';
- }
- if ((!is_int($total))||($totalerror(__FUNCTION__,$total.' is not a positive integer!');
- if((!is_int($perpage ))||($perpageerror(__FUNCTION__,$perpage.' is not a positive integer!');
- if(!empty($array['page_name'])) $this->set('page_name',$array['page_name']);//設定pagename
- $this->_set_nowindex($nowindex);//設定目前頁
- $this->_set_url( $url);//設定連結位址
- $this->totalpage=ceil($total/$perpage);
- $this->offset=($this->nowindex-1)*$perpage;
- if(!empty($array['ajax']))$this->open_ajax($array['ajax']);//開啟AJAX模式
- }
- /**
- * 設定類別中指定變數名稱的值,如果改變量不屬於這個類,將throw一個exception
- *
- * @param string $var
- * @param string $value
- * /
- function set($var,$value)
- {
- if(in_array($var,get_object_vars($this)))
- $this->$var=$value;
- else {
- $this->error(__FUNCTION__,$var." does not belong to PB_Page!");
- }
}
- /**
- * 開啟倒AJAX模式
- * * @param string $action 預設ajax觸發的動作。
- */
- function open_ajax($action)
- {
- $this->is_ajax=true;
- $this->ajax_action_name=$action;
- }
- /**
- * 取得顯示"下一頁"的程式碼
- *
- * @param string $style
- * @return string
- */
- function next_page($style='')
- {
- if($this->nowindextotalpage) {
- return $this->_get_link($this->_get_url($this->nowindex+1),$this->next_page,$style);
- }
- 回傳 ''.$this->next_page.'';
- }
/**
- * 取得顯示「上一頁」的程式碼
- *
- * @param string $style
- * @return string
- */
- 函數 pre_page($style='')
- {
- if($this->; nowindex> 1){
- return $this->_get_link($this->_get_url($this->nowindex-1),$this->pre_page,$style);
- }
- 回傳 ''.$this->pre_page.'';
- }
/**
- * 取得顯示「首頁」的程式碼
- *
- * @return string
- */
- 函數first_page($style='')
- {
- if($this->; nowindex= =1){
- return ''.$this->first_page.'';
- }
- return $this->_get_link($this->_get_url(1),$this->first_page,$style);
- }
/**
- * 取得顯示「尾頁」的程式碼
- *
- * @return string
- */
- 函數last_page($style='')
- {
- if($this->; nowindex= =$this->totalpage){
- return ''.$this->last_page.'';
- }
- return $this->_get_link($this->_get_url($this->totalpage),$this->last_page,$style);
- }
function nowbar($style='',$nowindex_style='')
- {
- $plus=ceil($this->pagebarnum/ 2);
- if($this->pagebarnum-$plus+$this->nowindex>$this->totalpage)$plus=($this->pagebarnum-$this->totalpage+$this->現在索引);
- $begin=$this->nowindex-$plus+1
- $begin=($begin>=1)?$begin:1;
- $return=''; =$begin;$ipagebarnum;$i++)
- {
- if($itotalpage){
- if($i!=$this- >nowindex)
- $return .=$this->_get_text($this->_get_link($this->_get_url($i),$i,$style ));
- else
- $return. =$this->_get_text(' '.$i.'');
- } 否則{
- ;
- }
- $return.="n";
- }
- 取消設定($begin);
- 回傳$return;
- /**
- * 取得顯示跳轉鈕的程式碼
- *
- * @return string
- */
- function select( )
- {
- $return='';
- for($i=1;$itotalpage;$i++)
- {
- if($i==$this->nowindex ){
- $return .=''.$i.'選項>';
- }else{
- $return.= '';
- }
- }
- 未設定($i);
- $return. ='';
- 回傳$return;
- }
/**
- * 取得mysql 語句中limit所需的值
- *
- * @return string
- */
- 函數offset()
- {
- return $this->offset;
- }
/**
- * 控制分頁顯示風格
- *
- * @param int $mode
- * @return string
- */
- 函數顯示($mode=1)
- {
- 開關($mode)
- {
- case ' 1':
- $this->next_page='下一頁';
- $this->pre_page='上一頁';
- return $this->pre_page().$this->nowbar ().$this->next_page().'第'.$this->select().'頁';
- 休息;
- 案例'2':
- $this->next_page='下一頁';
- $this->pre_page='上一頁';
- $this->first_page='首頁';
- $this->last_page='尾頁';
- return $this->first_page().$this->pre_page().'[第'.$this->nowindex.'頁]'.$this->next_page().$this ->last_page().'第'.$this->select().'頁';
- 休息;
- 案例'3':
- $this->next_page='下一頁';
- $this-> pre_page='上一頁';
- $this->first_page='首頁';
- $this->last_page='尾頁';
- 回傳$this->first_page().$this- >pre_page().$this->next_page().$this->last_page();
- 休息;
- 案例'4':
- $this->next_page='下一頁';
- $this->pre_page='上一頁';
- 返回$this->pre_page().$this->nowbar().$this->next_page();
- 休息;
- 案例'5':
- 返回$this->pre_bar().$this->pre_page().$this->nowbar().$this->next_page().$this ->next_bar();
- 休息;
- }
}
- /*------私有函數(私有方法)---------*/
- /* *@link:http://bbs.it-home.org
- * 設定url頭位址
- * @param: String $url
- * @return boolean
- */
- function _set_url($url="")
- {
- if(!empty($url)){
- //手動設定
- $this- >; url=$url.((stristr($url,'?'))?'&':'?').$this->page_name."=";
- }else{
- //自動取得
- if(empty($_SERVER['QUERY_STRING'])){
- //不存在QUERY_STRING($_SERVER['QUERY_STRING'])){
- //不存在QUERY_STRING時
- $this->url=$ _SERVER['REQUEST_URI']."?".$ this->page_name."=";
- }else{
- //
- if(stristr($_SERVER['QUERY_STRING'],$this->page_name.'=')){
- // 存在位址頁面參數
- $this->url=str_replace($this->page_name.'='.$this->nowindex,'',$_SERVER['REQUEST_URI']);
- $last =$this->url[strlen($this->url)-1];
- if($last=='?'||$last=='&'){
- $this->url .=$this->page_name."=";
- }else{
- $this->url.='&'.$this->page_name."=";
- }
- } else{
- //
- $this->url=$_SERVER['REQUEST_URI'].'&'.$this->page_name.'=';
- }//結束如果
- } //結束如果
- }//結束如果
- }
/**
- * 設定目前頁
- *
- */
- function _set_nowindex($nowindex)
- {
- if(empty($nowindex)){
- //系統取得
if(isset($_GET[$ this->page_name])){
- $this->nowindex =intval($_GET[$this->page_name]);
- }
- }else{
- //手動設定
- $this->nowindex=intval($nowindex);
- }
- }
/**
- * 為指定的頁面傳回位址值
- *
- * @param int $pageno
- * @return string $url
- */
- 函數_get_url($pageno=1)
- {
- 回傳$this- > url.$pageno ;
- }
/**
- * 取得分頁顯示文字,比如說預設_get_text('1')會回傳[1]
- *
- * @param String $str
- * @return string $url
- */
- function _get_text($str)
- {
- return $this->format_left.$str .$ this->format_right;
- }
/**
- * 取得連結位址
- */
- function _get_link($url,$text,$style=''){
- $ style=(空($style))?'':'class="'.$style.'"';
- if($this->is_ajax){
- //如果使用AJAX模式
- return ''.$text.'';
- }else{
- 回傳''.$text.'';
- }
- }
- /**
- * 出錯處理方式
- */
- 函數錯誤($function,$errormsg)
- {
- die('檔案中出現錯誤'. __FILE__.',函數'.$function.'():'.$errormsg);
- } }
- $page=新頁(array('total'=>1000,'perpage'=>20));
- echo 'mode:1
'.$page->show();
- echo '
mode:2 '.$page->show(2);
- echo '
mode:3 '.$page->show(3);
- echo '
mode:4 '.$page->show(4);
- echo '
開始AJAX模式:';
- $ajaxpage=new page(array('total'=>1000,'perpage'=>20,'ajax'=>'ajax_page','page_name'=>'test'));
- echo 'mode:1
'.$ajaxpage->show();
- ?>
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