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  • php google baidu 分页

    php google baidu 分页

    <?php
    /**

    作者:
    潇湘博客 http://blog.csdn.net/fkedwgwy

    时间:
    2009-11-26

    php技术群:
    37304662

    使用方法:
    include_once'Pager.class.php';
    $pager=new Pager();
    if(isset($_GET['page']))
    $pager->setCurrentPage($_GET['page']);
    else
    $pager->setCurrentPage(1);

    $pager->setRecorbTotal(1000);
    $pager->setBaseUri("page.php?");
    echo $pager->execute();

    **/
    class Pager{
    /**
    *int总页数
    **/
    protected $pageTotal;
    /**
    *int上一页
    **/
    protected $previous;
    /**
    *int下一页
    **/
    protected $next;
    /**
    *int中间页起始序号
    **/
    protected $startPage;
    /**
    *int中间页终止序号
    **/
    protected $endPage;
    /**
    *int记录总数
    **/
    protected $recorbTotal;
    /**
    *int每页显示记录数
    **/
    protected $pageSize;
    /**
    *int当前显示页
    **/
    protected $currentPage;
    /**
    *string基url地址
    **/
    protected $baseUri;

    /**
    *@returnstring获取基url地址
    */
    public function getBaseUri(){
    return$this->baseUri;
    }

    /**
    *@returnint获取当前显示页
    */
    public function getCurrentPage(){
    return $this->currentPage;
    }

    /**
    *@returnint获取每页显示记录数
    */
    public function getPageSize(){
    return $this->pageSize;
    }

    /**
    *@returnint获取记录总数
    */
    public function getRecorbTotal(){
    return$this->recorbTotal;
    }

    /**
    *@paramstring$baseUri设置基url地址
    */
    public function setBaseUri($baseUri){
    $this->baseUri=$baseUri;
    }

    /**
    *@paramint$currentPage设置当前显示页
    */
    public function setCurrentPage($currentPage){
    $this->currentPage=$currentPage;
    }

    /**
    *@paramint$pageSize设置每页显示记录数
    */
    public function setPageSize($pageSize){
    $this->pageSize=$pageSize;
    }

    /**
    *@paramint$recorbTotal设置获取记录总数
    */
    public function setRecorbTotal($recorbTotal){
    $this->recorbTotal=$recorbTotal;
    }

    /**
    *构造函数
    **/
    public function __construct()
    {
    $this->pageTotal=0;
    $this->previous=0;
    $this->next=0;
    $this->startPage=0;
    $this->endPage=0;

    $this->pageSize=20;
    $this->currentPage=0;
    }

    /**
    *分页算法
    **/
    private function arithmetic(){
    if($this->currentPage<1)
    $this->currentPage=1;

    $this->pageTotal=floor($this->recorbTotal/$this->pageSize)+($this->recorbTotal%$this->pageSize>0?1:0);

    if($this->currentPage>1&&$this->currentPage>$this->pageTotal)
    header('location:'.$this->baseUri.'page='.$this->pageTotal);

    $this->next=$this->currentPage+1;
    $this->previous=$this->currentPage-1;

    $this->startPage=($this->currentPage+5)>$this->pageTotal?$this->pageTotal-10:$this->currentPage-5;
    $this->endPage=$this->currentPage<5?11:$this->currentPage+5;

    if($this->startPage<1)
    $this->startPage=1;

    if($this->pageTotal<$this->endPage)
    $this->endPage=$this->pageTotal;
    }

    /**
    *分页样式
    **/

        
        protected function pageStyle(){
    $result="共".$this->pageTotal."页";

    if($this->currentPage>1)
    $result.="<a href=/"".$this->baseUri."page=1/"><font style=/"font-family:webdings/">第1页</font></a>  <a href=/"".$this->baseUri."page=$this->previous/"><fontstyle=/"font-family:webdings/">前一页</font></a>";
    else
    $result.="<font style=/"font-family:webdings/">第1页</font>  <font style=/"font-family:webdings/"></font>";

    for($i=$this->startPage;$i<=$this->endPage;$i++){
    if($this->currentPage==$i)
    $result.="<font color=/"#ff0000/">$i</font>";
    else
    $result.="  <a href=/"".$this->baseUri."page=$i/">$i</a>  ";
    }

    if($this->currentPage!=$this->pageTotal){
    $result.="<a href=/"".$this->baseUri."page=$this->next/"><font style=/"font-family:webdings/">后一页</font></a>  ";
    $result.="<a href=/"".$this->baseUri."page=$this->pageTotal/"><font style=/"font-family:webdings/">最后1页</font></a>";
    }else{
    $result.="<font style=/"font-family:webdings/">最后1页</font>  <font style=/"font-family:webdings/"></font>";
    }
    return $result;
    }
        
        

    /**
    *执行分页
    **/
    public function execute(){
    if($this->baseUri!=""&&$this->recorbTotal==0)
    return"";
    $this->arithmetic();
    return $this->pageStyle();
    }
    }
    ?>

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  • 原文地址:https://www.cnblogs.com/fengju/p/6173835.html
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