<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
// +----------------------------------------------------------------------
// | Copyright (c) 2009 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <[email protected]>
// |
// +----------------------------------------------------------------------
class Page {
// 分頁欄每頁顯示的頁數
public $rollPage = 5;
// 頁數跳轉時要帶的參數
public $parameter ;
// 分頁URL地址
public $url = '';
// 默認列表每頁顯示行數
public $listRows = 20;
// 起始行數
public $firstRow ;
// 分頁總頁面數
protected $totalPages ;
// 總行數
protected $totalRows ;
// 當前頁數
protected $nowPage ;
// 分頁的欄的總頁數
protected $coolPages ;
// 分頁顯示定製
protected $config = array('header'=>'條記錄','prev'=>'上一頁','next'=>'下一頁','first'=>'第一頁','last'=>'最後一頁','theme'=>' %totalRow% %header% %nowPage%/%totalPage% 頁 %upPage% %downPage% %first% %prePage% %linkPage% %nextPage% %end%');
// 默認分頁變量名
protected $varPage;
/**
* 架構函數
* @access public
* @param array $totalRows 總的記錄數
* @param array $listRows 每頁顯示記錄數
* @param array $parameter 分頁跳轉的參數
*/
public function __construct($totalRows,$listRows='',$parameter='',$url='') {
$this->totalRows = $totalRows;
$this->parameter = $parameter;
$this->varPage = C('VAR_PAGE') ? C('VAR_PAGE') : 'p' ;
if(!empty($listRows)) {
$this->listRows = intval($listRows);
}
$this->totalPages = ceil($this->totalRows/$this->listRows); //總頁數
$this->coolPages = ceil($this->totalPages/$this->rollPage);
$this->nowPage = !empty($_GET[$this->varPage])?intval($_GET[$this->varPage]):1;
if($this->nowPage<1){
$this->nowPage = 1;
}elseif(!empty($this->totalPages) && $this->nowPage>$this->totalPages) {
$this->nowPage = $this->totalPages;
}
$this->firstRow = $this->listRows*($this->nowPage-1);
}
public function setConfig($name,$value) {
if(isset($this->config[$name])) {
$this->config[$name] = $value;
}
}
/**
* 分頁顯示輸出
* @access public
*/
public function show() {
if(0 == $this->totalRows) return '';
$p = $this->varPage;
$nowCoolPage = ceil($this->nowPage/$this->rollPage);
// 分析分頁參數
if($this->url){
$depr = C('URL_PATHINFO_DEPR');
$url = rtrim(U('/'.$this->url,'',false),$depr).$depr.'__PAGE__';
}else{
if($this->parameter && is_string($this->parameter)) {
parse_str($this->parameter,$parameter);
}elseif(is_array($this->parameter)){
$parameter = $this->parameter;
}elseif(empty($this->parameter)){
unset($_GET[C('VAR_URL_PARAMS')]);
$var = !empty($_POST)?$_POST:$_GET;
if(empty($var)) {
$parameter = array();
}else{
$parameter = $var;
}
}
$parameter[$p] = '__PAGE__';
$url = U('',$parameter);
}
//上下翻頁字符串
$upRow = $this->nowPage-1;
$downRow = $this->nowPage+1;
if ($upRow>0){
$upPage = "<a href='".str_replace('__PAGE__',$upRow,$url)."'>".$this->config['prev']."</a>";
}else{
$upPage = '';
}
if ($downRow <= $this->totalPages){
$downPage = "<a href='".str_replace('__PAGE__',$downRow,$url)."'>".$this->config['next']."</a>";
}else{
$downPage = '';
}
// << < > >>
if($nowCoolPage == 1){
$theFirst = '';
$prePage = '';
}else{
$preRow = $this->nowPage-$this->rollPage;
$prePage = "<a href='".str_replace('__PAGE__',$preRow,$url)."' >上".$this->rollPage."頁</a>";
$theFirst = "<a href='".str_replace('__PAGE__',1,$url)."' >".$this->config['first']."</a>";
}
if($nowCoolPage == $this->coolPages){
$nextPage = '';
$theEnd = '';
}else{
$nextRow = $this->nowPage+$this->rollPage;
$theEndRow = $this->totalPages;
$nextPage = "<a href='".str_replace('__PAGE__',$nextRow,$url)."' >下".$this->rollPage."頁</a>";
$theEnd = "<a href='".str_replace('__PAGE__',$theEndRow,$url)."' >".$this->config['last']."</a>";
}
// 1 2 3 4 5
$linkPage = "";
for($i=1;$i<=$this->rollPage;$i++){
$page = ($nowCoolPage-1)*$this->rollPage+$i;
if($page!=$this->nowPage){
if($page<=$this->totalPages){
$linkPage .= "<a href='".str_replace('__PAGE__',$page,$url)."'>".$page."</a>";
}else{
break;
}
}else{
if($this->totalPages != 1){
$linkPage .= "<span class='current'>".$page."</span>";
}
}
}
$pageStr = str_replace(
array('%header%','%nowPage%','%totalRow%','%totalPage%','%upPage%','%downPage%','%first%','%prePage%','%linkPage%','%nextPage%','%end%'),
array($this->config['header'],$this->nowPage,$this->totalRows,$this->totalPages,$upPage,$downPage,$theFirst,$prePage,$linkPage,$nextPage,$theEnd),$this->config['theme']);
return $pageStr;
}
}
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