<?php  
class SubPages{  
    
   private  $each_disNums;//每頁(yè)顯示的條目數(shù)  
  private  $nums;//總條目數(shù)  
  private  $current_page;//當(dāng)前被選中的頁(yè)  
  private  $sub_pages;//每次顯示的頁(yè)數(shù)  
  private  $pageNums;//總頁(yè)數(shù)  
  private  $page_array = array();//用來(lái)構(gòu)造分頁(yè)的數(shù)組  
  private  $subPage_link;//每個(gè)分頁(yè)的鏈接  
  private  $subPage_type;//顯示分頁(yè)的類型  
   /* 
   __construct是SubPages的構(gòu)造函數(shù)，用來(lái)在創(chuàng)建類的時(shí)候自動(dòng)運(yùn)行. 
   @$each_disNums   每頁(yè)顯示的條目數(shù) 
   @nums     總條目數(shù) 
   @current_num     當(dāng)前被選中的頁(yè) 
   @sub_pages       每次顯示的頁(yè)數(shù) 
   @subPage_link    每個(gè)分頁(yè)的鏈接 
   @subPage_type    顯示分頁(yè)的類型 
   
   當(dāng)@subPage_type=1的時(shí)候?yàn)槠胀ǚ猪?yè)模式 
         example：   共4523條記錄,每頁(yè)顯示10條,當(dāng)前第1/453頁(yè) [首頁(yè)] [上頁(yè)] [下頁(yè)] [尾頁(yè)] 
         當(dāng)@subPage_type=2的時(shí)候?yàn)榻?jīng)典分頁(yè)樣式 
         example：   當(dāng)前第1/453頁(yè) [首頁(yè)] [上頁(yè)] 1 2 3 4 5 6 7 8 9 10 [下頁(yè)] [尾頁(yè)] 
   */  
  function __construct($each_disNums,$nums,$current_page,$sub_pages,$subPage_link,$subPage_type){  
   $this->each_disNums=intval($each_disNums);  
   $this->nums=intval($nums);  
    if(!$current_page){  
    $this->current_page=1;  
    }else{  
    $this->current_page=intval($current_page);  
    }  
   $this->sub_pages=intval($sub_pages);  
   $this->pageNums=ceil($nums/$each_disNums);  
   $this->subPage_link=$subPage_link;   
   $this->show_SubPages($subPage_type);   
   //echo $this->pageNums."--".$this->sub_pages;  
  }  
    
    
  /* 
    __destruct析構(gòu)函數(shù)，當(dāng)類不在使用的時(shí)候調(diào)用，該函數(shù)用來(lái)釋放資源。 
   */  
  function __destruct(){  
    unset($each_disNums);  
    unset($nums);  
    unset($current_page);  
    unset($sub_pages);  
    unset($pageNums);  
    unset($page_array);  
    unset($subPage_link);  
    unset($subPage_type);  
   }  
    
  /* 
    show_SubPages函數(shù)用在構(gòu)造函數(shù)里面。而且用來(lái)判斷顯示什么樣子的分頁(yè)   
   */  
  function show_SubPages($subPage_type){  
    if($subPage_type == 1){  
    $this->subPageCss1();  
    }elseif ($subPage_type == 2){  
    $this->subPageCss2();  
    }  
   }  
    
    
  /* 
    用來(lái)給建立分頁(yè)的數(shù)組初始化的函數(shù)。 
   */  
  function initArray(){  
    for($i=0;$i<$this->sub_pages;$i++){  
    $this->page_array[$i]=$i;  
    }  
    return $this->page_array;  
   }  
    
    
  /* 
    construct_num_Page該函數(shù)使用來(lái)構(gòu)造顯示的條目 
    即使：[1][2][3][4][5][6][7][8][9][10] 
   */  
  function construct_num_Page(){  
    if($this->pageNums < $this->sub_pages){  
    $current_array=array();  
     for($i=0;$i<$this->pageNums;$i++){   
     $current_array[$i]=$i+1;  
     }  
    }else{  
    $current_array=$this->initArray();  
     if($this->current_page <= 3){  
      for($i=0;$i<count($current_array);$i++){  
      $current_array[$i]=$i+1;  
      }  
     }elseif ($this->current_page <= $this->pageNums && $this->current_page > $this->pageNums - $this->sub_pages + 1 ){  
      for($i=0;$i<count($current_array);$i++){  
      $current_array[$i]=($this->pageNums)-($this->sub_pages)+1+$i;  
      }  
     }else{  
      for($i=0;$i<count($current_array);$i++){  
      $current_array[$i]=$this->current_page-2+$i;  
      }  
     }  
    }  
     
    return $current_array;  
   }  
    
  /* 
   構(gòu)造普通模式的分頁(yè) 
   共4523條記錄,每頁(yè)顯示10條,當(dāng)前第1/453頁(yè) [首頁(yè)] [上頁(yè)] [下頁(yè)] [尾頁(yè)] 
   */  
  function subPageCss1(){  
   $subPageCss1Str="";  
   $subPageCss1Str.="共".$this->nums."條記錄，";  
   $subPageCss1Str.="每頁(yè)顯示".$this->each_disNums."條，";  
   $subPageCss1Str.="當(dāng)前第".$this->current_page."/".$this->pageNums."頁(yè) ";  
    if($this->current_page > 1){  
    $firstPageUrl=$this->subPage_link."1";  
    $prewPageUrl=$this->subPage_link.($this->current_page-1);  
    $subPageCss1Str.="[首頁(yè)] ";  
    $subPageCss1Str.="[上一頁(yè)] ";  
    }else {  
    $subPageCss1Str.="[首頁(yè)] ";  
    $subPageCss1Str.="[上一頁(yè)] ";  
    }  
     
    if($this->current_page < $this->pageNums){  
    $lastPageUrl=$this->subPage_link.$this->pageNums;  
    $nextPageUrl=$this->subPage_link.($this->current_page+1);  
    $subPageCss1Str.=" [下一頁(yè)] ";  
    $subPageCss1Str.="[尾頁(yè)] ";  
    }else {  
    $subPageCss1Str.="[下一頁(yè)] ";  
    $subPageCss1Str.="[尾頁(yè)] ";  
    }  
     
    echo $subPageCss1Str;  
     
   }  
    
    
  /* 
   構(gòu)造經(jīng)典模式的分頁(yè) 
   當(dāng)前第1/453頁(yè) [首頁(yè)] [上頁(yè)] 1 2 3 4 5 6 7 8 9 10 [下頁(yè)] [尾頁(yè)] 
   */  
  function subPageCss2(){  
   $subPageCss2Str="";  
   $subPageCss2Str.="當(dāng)前第".$this->current_page."/".$this->pageNums."頁(yè) ";  
     
     
    if($this->current_page > 1){  
    $firstPageUrl=$this->subPage_link."1";  
    $prewPageUrl=$this->subPage_link.($this->current_page-1);  
    $subPageCss2Str.="[首頁(yè)] ";  
    $subPageCss2Str.="[上一頁(yè)] ";  
    }else {  
    $subPageCss2Str.="[首頁(yè)] ";  
    $subPageCss2Str.="[上一頁(yè)] ";  
    }  
     
   $a=$this->construct_num_Page();  
    for($i=0;$i<count($a);$i++){  
    $s=$a[$i];  
     if($s == $this->current_page ){  
     $subPageCss2Str.="[<span style='color:red;font-weight:bold;'>".$s."</span>]";  
     }else{  
     $url=$this->subPage_link.$s;  
     $subPageCss2Str.="[".$s."]";  
     }  
    }  
     
    if($this->current_page < $this->pageNums){  
    $lastPageUrl=$this->subPage_link.$this->pageNums;  
    $nextPageUrl=$this->subPage_link.($this->current_page+1);  
    $subPageCss2Str.=" [下一頁(yè)] ";  
    $subPageCss2Str.="[尾頁(yè)] ";  
    }else {  
    $subPageCss2Str.="[下一頁(yè)] ";  
    $subPageCss2Str.="[尾頁(yè)] ";  
    }  
    echo $subPageCss2Str;  
   }  
}  
?>   

?

演示代碼:

<?php  
require_once("SubPages.php");  
//每頁(yè)顯示的條數(shù)  
  $page_size=20;  
//總條目數(shù)  
  $nums=1024;  
//每次顯示的頁(yè)數(shù)  
  $sub_pages=10;  
//得到當(dāng)前是第幾頁(yè)  
  $pageCurrent=$_GET["p"];  
  //if(!$pageCurrent) $pageCurrent=1;  
    
  $subPages=new SubPages($page_size,$nums,$pageCurrent,$sub_pages,"test.php?p=",2);  
?>