新做的一個PHP分頁類,，如：|> >>|

朱啟發(fā) 2014-10-30

展開全文

新做的一個類，比較實用~~樣式如下：

|<< << 1 2 3 4 5 6 7 8 >> >>|

大家覺得有用可以帶走~~呵呵……

<?php

/***************************
* 一個非常實用個性的分頁類 *
****************************

*****************************實例***********************************
if(!isset($_GET['page'])){$page = 0;}else{$page = $_GET['page'];}
$pagedemo = new pageclass;
$pagedemo->set_sql("SELECT * FROM `demo` ORDER BY `id` DESC");
$pagedemo->set_params("type=".$type."");
$pagedemo->set_setpage($page);
$pagedemo->set_pagesize(10);
$pagedemo->set_filename("demo.php");
$pagedemo->set_pagenumber(5);
$pagedemo->show();
$result=$pagedemo->result;
$n=0;
while ($row=mysql_fetch_row($result)){
$n++;
echo "內(nèi)容";
}
$pagedemo->showpage();
*******************************************************************/

class pageclass
{
/****聲明****/
var $sqlstr,$filename,$params,$initfirstpage;
var $pagestart,$pagenumber,$pagesize,$i;
var $firstpage,$prevpage,$nextpage,$lastpage;
var $totallines,$maxpage,$totalpages,$result;
var $page,$final,$getpage,$param,$paramlist;

/****構造函數(shù)****/
function pageclass()
{
  $this->set_initfirstpage("僅此一頁"); // 設置只有一頁時顯示的文字,；
  $this->set_setpage(0);                // 設置默認第一頁為0,；
  $this->set_pagesize(10);              // 設置默認記錄數(shù)為10；
  $this->set_params("");                // 設置默認參數(shù)列表為空,；
  $this->set_pagestart(0);              // 設置默認分頁起始數(shù)為0,；
  $this->set_pagenumber(5);             // 設置默認每頁顯示頁數(shù)為5；
  $this->set_firstpage("|<<");          // 設置默認上N頁表示字符為|<<,；
  $this->set_prevpage("<<");            // 設置默認上一頁表示字符為<<;
  $this->set_nextpage(">>");            // 設置默認下一頁表示字符為>>;
  $this->set_lastpage(">>|");           // 設置默認下N頁表示字符為>>|;
}

/*****設置SQL查詢語句****/
function set_sql($sqlstr)
{
  $this->sqlstr = $sqlstr;
}

/****設置每頁顯示記錄數(shù)****/
function set_pagesize($pagesize)
{
  $this->pagesize = $pagesize;
}

/****設置文件名稱****/
function set_filename($filename)
{
  $this->filename = $filename;
}

/****設置參數(shù)列表(可設多項)****/
function set_params($params)
{
  $this->params = $params;
}

/****設置頁面開始數(shù)(默認為0)****/
function set_pagestart($pagestart)
{
  $this->pagestart = $pagestart;
}

/****設置每頁顯示頁數(shù)****/
function set_pagenumber($pagenumber)
{
  $this->pagenumber = $pagenumber;
}

/****設置首頁圖標或字符****/
function set_firstpage($firstpage)
{
  $this->firstpage = $firstpage;
}

/****設置上一頁圖標或字符****/
function set_prevpage($prevpage)
{
  $this->prevpage = $prevpage;
}

/****設置下一頁圖標或字符****/
function set_nextpage($nextpage)
{
  $this->nextpage = $nextpage;
}

/****設置末頁圖標或字符****/
function set_lastpage($lastpage)
{
  $this->lastpage = $lastpage;
}

/****設置總頁數(shù)為一頁時顯示的文字****/
function set_initfirstpage($initfirstpage)
{
  $this->initfirstpage = $initfirstpage;
}

/****取得當前頁數(shù)****/
function set_setpage($getpage)
{
  $this->getpage = $getpage;
}

/****取出數(shù)據(jù)集****/
function show()
{
  $this->final = '';
  $this->param = preg_replace("/&?page=[0-9]*&?/", '', $this->params);
  $this->totallines = mysql_num_rows(mysql_query($this->sqlstr));
  if(isset($this->totallines))
  {
   $this->totalpages = ceil($this->totallines / $this->pagesize);
  }else{
   $this->totalpages = 1;
  }
  $this->result = mysql_query($this->sqlstr." limit ".$this->getpage * $this->pagesize .", ". $this->pagesize);
}

/****顯示分頁****/
function showpage()
{
  if($this->totalpages > $this->pagenumber && $this->getpage > $this->pagenumber - 1)
  {
   $this->paramlist = '?page='.($this->getpage - $this->pagenumber);
   $this->paramlist .= "&".$this->param;
   $this->final .= "<a href=./".$this->filename.$this->paramlist.">".$this->firstpage."</a> ";
   $this->pagestart = intval($this->getpage / $this->pagenumber) * $this->pagenumber;
  }else $this->final .= $this->firstpage." ";
  if($this->getpage)
  {
   $this->paramlist = '?page='.($this->getpage - 1);
   $this->paramlist .= "&".$this->param;
   $this->final .= "<a href=./".$this->filename.$this->paramlist.">".$this->prevpage."</a> ";
  } else $this->final .= $this->prevpage." ";
  if($this->totalpages < $this->pagenumber)
  {
   $this->maxpage = $this->totalpages;
  }else{
   $this->maxpage = $this->pagenumber;
  }
  for($this->i = $this->pagestart, $this->paramlist = '', $this->maxpage += $this->pagestart; $this->i < $this->maxpage; $this->i ++) {
   $this->paramlist .= '?page='.$this->i;
   $this->paramlist .= "&".$this->param;
   if($this->i != $this->getpage)
   {
    $this->final .= "<a href=./".$this->filename.$this->paramlist.">".($this->i + 1).'</a> ';
   }else{
    $this->final .= "<a href=./".$this->filename.$this->paramlist."><strong>".($this->i + 1).'</strong></a> ';
   }
   $this->paramlist = '';
  }
  if((++ $this->getpage)< $this->totalpages)
  {
   $this->paramlist = "?page=".$this->getpage;
   $this->paramlist .= "&".$this->param;
   $this->final .= "<a href=./".$this->filename.$this->paramlist.">".$this->nextpage."</a> ";
  } else $this->final .= " ".$this->nextpage;
  $this->getpage --;
  if(($this->getpage + $this->pagenumber) < $this->totalpages)
  {
   $this->paramlist = '?page='.($this->getpage + $this->pagenumber);
   $this->paramlist .= "&".$this->param;
   $this->final .= " <a href=./".$this->filename.$this->paramlist.">".$this->lastpage."</a>";
  } else $this->final .= " ".$this->lastpage;
  if($this->maxpage == 1) $this->final = $this->initfirstpage;
  print $this->final;
}

}