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Home  >  Article  >  Backend Development  >  容易,方便,功能全的php分页类

容易,方便,功能全的php分页类

WBOY
WBOYOriginal
2016-06-13 12:53:191385browse

简单,方便,功能全的php分页类

<br> 分页类代码<br> <?php
class SubPages{ 
     
   private  $each_disNums;//每页显示的条目数 
  private  $nums;//总条目数 
  private  $current_page;//当前被选中的页 
  private  $sub_pages;//每次显示的页数 
  private  $pageNums;//总页数 
  private  $page_array = array();//用来构造分页的数组 
  private  $subPage_link;//每个分页的链接 
  private  $subPage_type;//显示分页的类型 
   /*
   __construct是SubPages的构造函数，用来在创建类的时候自动运行.
   @$each_disNums   每页显示的条目数
   @nums     总条目数
   @current_num     当前被选中的页
   @sub_pages       每次显示的页数
   @subPage_link    每个分页的链接
   @subPage_type    显示分页的类型
    
   当@subPage_type=1的时候为普通分页模式
         example：   共4523条记录,每页显示10条,当前第1/453页 [首页] [上页] [下页] [尾页]
         当@subPage_type=2的时候为经典分页样式
         example：   当前第1/453页 [首页] [上页] 1 2 3 4 5 6 7 8 9 10 [下页] [尾页]
   */ 
  function __construct($each_disNums,$nums,$current_page,$sub_pages,$subPage_link,$subPage_type){ 
   <code class="php variable">$this->each_disNums=intval($each_disNums); 
   <code class="php variable">$this->nums=intval($nums); 
    if(!$current_page){ 
    <code class="php variable">$this->current_page=1; 
    }else{ 
    <code class="php variable">$this->current_page=intval($current_page); 
    } 
   <code class="php variable">$this->sub_pages=intval($sub_pages); 
   <code class="php variable">$this->pageNums=ceil($nums/$each_disNums); 
   <code class="php variable">$this->subPage_link=$subPage_link;  
   <code class="php variable">$this->show_SubPages($subPage_type);  
   //echo $this->pageNums."--".$this->sub_pages; 
  } 
     
     
  /*
    __destruct析构函数，当类不在使用的时候调用，该函数用来释放资源。
   */ 
  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函数用在构造函数里面。而且用来判断显示什么样子的分页  
   */ 
  function show_SubPages($subPage_type){ 
    if($subPage_type == 1){ 
    <code class="php variable">$this->subPageCss1(); 
    }elseif ($subPage_type == 2){ 
    <code class="php variable">$this->subPageCss2(); 
    } 
   } 
     
     
  /*
    用来给建立分页的数组初始化的函数。
   */ 
  function initArray(){ 
    for($i=0;$i<code class="php variable">$this->sub_pages;$i++){ 
    <code class="php variable">$this->page_array[$i]=$i; 
    } 
    return <code class="php variable">$this->page_array; 
   } 
     
     
  /*
    construct_num_Page该函数使用来构造显示的条目
    即使：[1][2][3][4][5][6][7][8][9][10]
   */ 
  function construct_num_Page(){ 
    if(<code class="php variable">$this->pageNums <code class="php variable">$this->sub_pages){ 
    $current_array=array(); 
     for($i=0;$i<code class="php variable">$this->pageNums;$i++){  
     $current_array[$i]=$i+1; 
     } 
    }else{ 
    $current_array=<code class="php variable">$this->initArray(); 
     if(<code class="php variable">$this->current_page <div class="line number92 index91 alt1"> <code class="php spaces">      for($i=0;$i<code class="php functions">count($current_array);$i++){ 
      $current_array[$i]=$i+1; 
      } 
     }elseif (<code class="php variable">$this->current_page <code class="php variable">$this->pageNums && <code class="php variable">$this->current_page > <code class="php variable">$this->pageNums - <code class="php variable">$this->sub_pages + 1 ){ 
      for($i=0;$i<code class="php functions">count($current_array);$i++){ 
      $current_array[$i]=(<code class="php variable">$this->pageNums)-(<code class="php variable">$this->sub_pages)+1+$i; 
      } 
     }else{ 
      for($i=0;$i<code class="php functions">count($current_array);$i++){ 
      $current_array[$i]=<code class="php variable">$this->current_page-2+$i; 
      } 
     } 
    } 
      
    return $current_array; 
   } 
     
  /*
   构造普通模式的分页
   共4523条记录,每页显示10条,当前第1/453页 [首页] [上页] [下页] [尾页]
   */ 
  function subPageCss1(){ 
   $subPageCss1Str=""; 
   $subPageCss1Str.="共".<code class="php variable">$this->nums."条记录，"; 
   $subPageCss1Str.="每页显示".<code class="php variable">$this->each_disNums."条，"; 
   $subPageCss1Str.="当前第".<code class="php variable">$this->current_page."/".<code class="php variable">$this->pageNums."页 "; 
    if(<code class="php variable">$this->current_page > 1){ 
    $firstPageUrl=<code class="php variable">$this->subPage_link."1"; 
    $prewPageUrl=<code class="php variable">$this->subPage_link.(<code class="php variable">$this->current_page-1); 
    $subPageCss1Str.="[<a href="%24firstPageUrl">首页</a>] "; 
    $subPageCss1Str.="[<a href="%24prewPageUrl">上一页</a>] "; 
    }else { 
    $subPageCss1Str.="[首页] "; 
    $subPageCss1Str.="[上一页] "; 
    } 
      
    if(<code class="php variable">$this->current_page <code class="php variable">$this->pageNums){ 
    $lastPageUrl=<code class="php variable">$this->subPage_link.<code class="php variable">$this->pageNums; 
    $nextPageUrl=<code class="php variable">$this->subPage_link.(<code class="php variable">$this->current_page+1); 
    $subPageCss1Str.=" [<a href="%24nextPageUrl">下一页</a>] "; 
    $subPageCss1Str.="[<a href="%24lastPageUrl">尾页</a>] "; 
    }else { 
    $subPageCss1Str.="[下一页] "; 
    $subPageCss1Str.="[尾页] "; 
    } 
      
    echo $subPageCss1Str; 
      
   } 
     
     
  /*
   构造经典模式的分页
   当前第1/453页 [首页] [上页] 1 2 3 4 5 6 7 8 9 10 [下页] [尾页]
   */ 
  function subPageCss2(){ 
   $subPageCss2Str=""; 
   $subPageCss2Str.="当前第".<code class="php variable">$this->current_page."/".<code class="php variable">$this->pageNums."页 "; 
      
      
    if(<code class="php variable">$this->current_page > 1){ 
    $firstPageUrl=<code class="php variable">$this->subPage_link."1"; 
    $prewPageUrl=<code class="php variable">$this->subPage_link.(<code class="php variable">$this->current_page-1); 
    $subPageCss2Str.="[<a href="%24firstPageUrl">首页</a>] "; 
    $subPageCss2Str.="[<a href="%24prewPageUrl">上一页</a>] "; 
    }else { 
    $subPageCss2Str.="[首页] "; 
    $subPageCss2Str.="[上一页] "; 
    } 
      
   $a=<code class="php variable">$this->construct_num_Page(); 
    for($i=0;$i<code class="php functions">count($a);$i++){ 
    $s=$a[$i]; 
     if($s == <code class="php variable">$this->current_page ){ 
     $subPageCss2Str.="[<span style="color:red;font-weight:bold;">"</span>.$s."]"; 
     }else{ 
     $url=<code class="php variable">$this->subPage_link.$s; 
     $subPageCss2Str.="[<a href="%24url">"</a>.$s."]"; 
     } 
    } 
      
    if(<code class="php variable">$this->current_page <code class="php variable">$this->pageNums){ 
    $lastPageUrl=<code class="php variable">$this->subPage_link.<code class="php variable">$this->pageNums; 
    $nextPageUrl=<code class="php variable">$this->subPage_link.(<code class="php variable">$this->current_page+1); 
    $subPageCss2Str.=" [<a href="%24nextPageUrl">下一页</a>] "; 
    $subPageCss2Str.="[<a href="%24lastPageUrl">尾页</a>] "; 
    }else { 
    $subPageCss2Str.="[下一页] "; 
    $subPageCss2Str.="[尾页] "; 
    } 
    echo $subPageCss2Str; 
   } 
} 
?>


演示代码:

<?php
require_once("SubPages.php"); 
//每页显示的条数 
  $page_size=20; 
//总条目数 
  $nums=1024; 
//每次显示的页数 
  $sub_pages=10; 
//得到当前是第几页 
  $pageCurrent=$_GET["p"]; 
  //if(!$pageCurrent) $pageCurrent=1; 
     
  $subPages=new SubPages($page_size,$nums,$pageCurrent,$sub_pages,"test.php?p=",2); 
?>

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