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php分页类代码

高洛峰
高洛峰原创
2017-03-16 15:49:221655浏览

    这是一款简单,方便,功能齐全的分页类,可以根据自己的需要更改CSS样式文件以实现分页颜色的控制,利用php分页类,可以省去自己很多时间,只需要在分页的地方嵌入即可,下面看下使用方法:

    1,在head里包含pager.css

    <link href="pager.css" type="text/css" rel="stylesheet" />

    2,在分页处进行类的实例化:

<?php    
     include "pager.class.php";    
  $CurrentPage=isset($_GET[&#39;page&#39;])?$_GET[&#39;page&#39;]:1;    
  //die($CurrentPage);    
     $myPage=new pager(1300,intval($CurrentPage));    
      $pageStr= $myPage->GetPagerContent();    
  //echo $pageStr;    
     $myPage=new pager(90,intval($CurrentPage));     
     $pageStr= $myPage->GetPagerContent();    
  echo $pageStr;    
    ?>

  3,读取mysql数据库和分页计算文件需要自己写出来。例如:

    $info=mysql_query("select * from member order by id desc limit $offset,$info_num");  这样才能调到 mysql 数据库和当前页码等。

    下面是一共包含的三个文件:(1) index.php:调用分页类,显示分页 (2) pager.class.php:php分页类 (3)pager.css:css样式美化文件

    (1) index.php:

<head>    
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />    
<title>----分页演示-----</title>    
<link href="pager.css" type="text/css" rel="stylesheet" />    
</head>    
<body>    
    <?php    
     include "pager.class.php";    
     $CurrentPage=isset($_GET[&#39;page&#39;])?$_GET[&#39;page&#39;]:1;    
     //die($CurrentPage);    
     $myPage=new pager(1300,intval($CurrentPage));    
      $pageStr= $myPage->GetPagerContent();    
     //echo $pageStr;    
     $myPage=new pager(90,intval($CurrentPage));     
     $pageStr= $myPage->GetPagerContent();    
     echo $pageStr;    
    ?>    
</body>    
</html>

(2) pager.class.php:

<?php    
/*   
 * PHP分页类   
 * @package Page   
 * @Created 2013-03-27   
 * @Modify  2013-03-27   
 * @link http://www.60ie.net   
 * Example:   
       $myPage=new Pager(1300,intval($CurrentPage));   
       $pageStr= $myPage->GetPagerContent();   
       echo $pageStr;   
 */   
class Pager {    
    private $pageSize = 10;    
    private $pageIndex;    
    private $totalNum;    

    private $totalPagesCount;    

    private $pageUrl;    
    private static $_instance;    

    public function __construct($p_totalNum, $p_pageIndex, $p_pageSize = 10,$p_initNum=3,$p_initMaxNum=5) {    
        if (! isset ( $p_totalNum ) || !isset($p_pageIndex)) {    
            die ( "pager initial error" );    
        }    

        $this->totalNum = $p_totalNum;    
        $this->pageIndex = $p_pageIndex;    
        $this->pageSize = $p_pageSize;    
        $this->initNum=$p_initNum;    
        $this->initMaxNum=$p_initMaxNum;    
        $this->totalPagesCount= ceil($p_totalNum / $p_pageSize);    
        $this->pageUrl=$this->_getPageUrl();    

         $this->_initPagerLegal();    
    }    

        
  /**   
    * 获取去除page部分的当前URL字符串   
    *   
    * @return String URL字符串   
    */   
  private function _getPageUrl() {    
        $CurrentUrl = $_SERVER["REQUEST_URI"];    
        $arrUrl     = parse_url($CurrentUrl);    
        $urlQuery   = $arrUrl["query"];    

        if($urlQuery){    
            $urlQuery  = ereg_replace("(^|&)page=" . $this->pageIndex, "", $urlQuery);    
            $CurrentUrl = str_replace($arrUrl["query"], $urlQuery, $CurrentUrl);    

            if($urlQuery){    
                 $CurrentUrl.="&page";    
            }    
            else $CurrentUrl.="page";    

        } else {    
            $CurrentUrl.="?page";    
        }    

    return $CurrentUrl;    

  }    
  /*   
   *设置页面参数合法性   
   *@return void   
  */   
  private function _initPagerLegal()    
  {    
      if((!is_numeric($this->pageIndex)) ||  $this->pageIndex<1)    
      {    
          $this->pageIndex=1;    
      }elseif($this->pageIndex > $this->totalPagesCount)    
      {    
          $this->pageIndex=$this->totalPagesCount;    
      }    

          

  }    
//$this->pageUrl}={$i}    
//{$this->CurrentUrl}={$this->TotalPages}    
    public function GetPagerContent() {    
        $str = "<p class=\"Pagination\">";    
        //首页 上一页    
        if($this->pageIndex==1)    
        {    
            $str .="<a href=&#39;javascript:void(0)&#39; class=&#39;tips&#39; title=&#39;首页&#39;>首页</a> "."\n";    
            $str .="<a href=&#39;javascript:void(0)&#39; class=&#39;tips&#39; title=&#39;上一页&#39;>上一页</a> "."\n"."\n";    
        }else   
        {    
            $str .="<a href=&#39;{$this->pageUrl}=1&#39; class=&#39;tips&#39; title=&#39;首页&#39;>首页</a> "."\n";    
                    $str .="<a href=&#39;{$this->pageUrl}=".($this->pageIndex-1)."&#39; class=&#39;tips&#39; title=&#39;上一页&#39;>上一页</a> "."\n"."\n";    
        }    

            

        /*   

        除首末后 页面分页逻辑   

        */   
         //10页(含)以下    
         $currnt="";    
         if($this->totalPagesCount<=10)    
         {    

            for($i=1;$i<=$this->totalPagesCount;$i++)    

            {    
                       if($i==$this->pageIndex)    
                       {    $currnt=" class=&#39;current&#39;";}    
                       else   
                       {    $currnt="";    }    
                        $str .="<a href=&#39;{$this->pageUrl}={$i} &#39; {$currnt}>$i</a>"."\n" ;    
            }    
         }else                                //10页以上    
         {   if($this->pageIndex<3)  //当前页小于3    
             {    
                     for($i=1;$i<=3;$i++)    
                     {    
                         if($i==$this->pageIndex)    
                           {    $currnt=" class=&#39;current&#39;";}    
                         else   
                         {    $currnt="";    }    
                        $str .="<a href=&#39;{$this->pageUrl}={$i} &#39; {$currnt}>$i</a>"."\n" ;    
                     }    

                     $str.="<span class=\"dot\">……</span>"."\n";    

                 for($i=$this->totalPagesCount-3+1;$i<=$this->totalPagesCount;$i++)//功能1    
                 {    
                      $str .="<a href=&#39;{$this->pageUrl}={$i}&#39; >$i</a>"."\n" ;    

                 }    
             }elseif($this->pageIndex<=5)   //   5 >= 当前页 >= 3    
             {    
                 for($i=1;$i<=($this->pageIndex+1);$i++)    
                 {    
                      if($i==$this->pageIndex)    
                       {    $currnt=" class=&#39;current&#39;";}    
                       else   
                       {    $currnt="";    }    
                        $str .="<a href=&#39;{$this->pageUrl}={$i} &#39; {$currnt}>$i</a>"."\n" ;    

                 }    
                 $str.="<span class=\"dot\">……</span>"."\n";    

                 for($i=$this->totalPagesCount-3+1;$i<=$this->totalPagesCount;$i++)//功能1    
                 {    
                      $str .="<a href=&#39;{$this->pageUrl}={$i}&#39; >$i</a>"."\n" ;    

                 }    

             }elseif(5<$this->pageIndex  &&  $this->pageIndex<=$this->totalPagesCount-5 )             //当前页大于5,同时小于总页数-5    

             {    

                 for($i=1;$i<=3;$i++)    
                 {    
                     $str .="<a href=&#39;{$this->pageUrl}={$i}&#39; >$i</a>"."\n" ;    
                 }    
                  $str.="<span class=\"dot\">……</span>";                 
                 for($i=$this->pageIndex-1 ;$i<=$this->pageIndex+1 && $i<=$this->totalPagesCount-5+1;$i++)    
                 {    
                       if($i==$this->pageIndex)    
                       {    $currnt=" class=&#39;current&#39;";}    
                       else   
                       {    $currnt="";    }    
                        $str .="<a href=&#39;{$this->pageUrl}={$i} &#39; {$currnt}>$i</a>"."\n" ;    
                 }    
                 $str.="<span class=\"dot\">……</span>";    

                 for($i=$this->totalPagesCount-3+1;$i<=$this->totalPagesCount;$i++)    
                 {    
                      $str .="<a href=&#39;{$this->pageUrl}={$i}&#39; >$i</a>"."\n" ;    

                 }    
             }else   
             {    

                  for($i=1;$i<=3;$i++)    
                 {    
                     $str .="<a href=&#39;{$this->pageUrl}={$i}&#39; >$i</a>"."\n" ;    
                 }    
                  $str.="<span class=\"dot\">……</span>"."\n";    

                  for($i=$this->totalPagesCount-5;$i<=$this->totalPagesCount;$i++)//功能1    
                 {    
                       if($i==$this->pageIndex)    
                       {    $currnt=" class=&#39;current&#39;";}    
                       else   
                       {    $currnt="";    }    
                        $str .="<a href=&#39;{$this->pageUrl}={$i} &#39; {$currnt}>$i</a>"."\n" ;    

                 }    
            }           

         }    

             

             
        /*   

        除首末后 页面分页逻辑结束   

        */   

        //下一页 末页    
        if($this->pageIndex==$this->totalPagesCount)    
        {       
            $str .="\n"."<a href=&#39;javascript:void(0)&#39; class=&#39;tips&#39; title=&#39;下一页&#39;>下一页</a>"."\n" ;    
            $str .="<a href=&#39;javascript:void(0)&#39; class=&#39;tips&#39; title=&#39;末页&#39;>末页</a>"."\n";    

                
        }else   
        {    
            $str .="\n"."<a href=&#39;{$this->pageUrl}=".($this->pageIndex+1)."&#39; class=&#39;tips&#39; title=&#39;下一页&#39;>下一页</a> "."\n";    
            $str .="<a href=&#39;{$this->pageUrl}={$this->totalPagesCount}&#39; class=&#39;tips&#39; title=&#39;末页&#39;>末页</a> "."\n" ;    
        }           

        $str .= "</p>";    
        return $str;    
    }    

   

   
/**   
 * 获得实例   
 * @return     
 */   
//  static public function getInstance() {    
//      if (is_null ( self::$_instance )) {    
//          self::$_instance = new pager ();    
//      }    
//      return self::$_instance;    
//  }    

   
}    
?>

    (3) pager.css:

body,html{ padding:0px; margin:0px; color:#333333; font-family:"宋体",Arial,Lucida,Verdana,Helvetica,sans-serif; font-size:12px; line-height:150%;}    

h1,h2,h3,h4,h5,h6,ul,li,dl,dt,dd,form,img,p,label{margin:0; padding:0; border:none; list-style-type:none;}    

/**前台分页样式**/   

.Pagination {margin:10px 0 0;padding:5px 0;text-align:rightright; height:20px; line-height:20px; font-family:Arial, Helvetica, sans-serif,"宋体";}    

.Pagination a {margin-left:2px;padding:2px 7px 2px;}    

.Pagination .dot{ border:medium none; padding:4px 8px}    

.Pagination a:link, .Pagination a:visited {border:1px solid #dedede;color:#696969;text-decoration:none;}    

.Pagination a:hover, .Pagination a:active, .Pagination a.current:link, .Pagination a.current:visited {border:1px solid #dedede;color:#fff; background-color:#ff6600; background-image:none; border:#ff6600 solid 1px;}    

.Pagination .selectBar{ border:#dedede solid 1px; font-size:12px; width:95px; height:21px; line-height:21px; margin-left:10px; display:inline}    

.Pagination a.tips{_padding:4px 7px 1px;}

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