//本分页类不处理SQL; //大大的加快了分页功能 //http://blog.csdn.net/fkedwgwy //潇湘博客--潇湘 /** 演示 require_once('../libs/classes/page.class.php'); $page=new page(array('total'=>1000,'perpage'=>20)); echo 'mode:1 '.$page->show(); echo '
mode:2
'.$page->show(2);
echo '
mode:3
'.$page->show(3);
echo '
mode:4
'.$page->show(4);
echo '
开始AJAX模式:';
$ajaxpage=new page(array('total'=>1000,'perpage'=>20,'ajax'=>'ajax_page','page_name'=>'test'));
echo 'mode:1
'.$ajaxpage->show();
*/
class Zend_Page
{
/**
* config ,public
*/
var $page_name="page";//page标签,用来控制url页。比如说xxx.php?PB_page=2中的PB_page
var $next_page='>';//下一页
var $pre_page='var $first_page='First';//首页
var $last_page='Last';//尾页
var $pre_bar='var $next_bar='>>';//下一分页条
var $format_left='';
var $format_right='';
var $is_ajax=false;//是否支持AJAX分页模式
var $next_ten_page=">>>";
var $per_ten_page="
/**
* private
*
*/
var $pagebarnum=10;//控制记录条的个数。
var $totalpage=0;//总页数
var $ajax_action_name='';//AJAX动作名
var $nowindex=1;//当前页
var $url="";//url地址头
var $offset=0;
var $total='';
/**
* constructor构造函数
*
* @param array $array['total'],$array['perpage'],$array['nowindex'],$array['url'],$array['ajax']...
*/
function Zend_Page($array)
{
if(is_array($array)){
if(!array_key_exists('total',$array))$this->error(__FUNCTION__,'need a param of total');
$total=intval($array['total']);
$perpage=(array_key_exists('perpage',$array))?intval($array['perpage']):10;
$nowindex=(array_key_exists('nowindex',$array))?intval($array['nowindex']):'';
$url=(array_key_exists('url',$array))?$array['url']:'';
}else{
$total=$array;
$perpage=10;
$nowindex='';
$url='';
}
if((!is_int($total))||($totalerror(__FUNCTION__,$total.' is not a positive integer!');
if((!is_int($perpage))||($perpageerror(__FUNCTION__,$perpage.' is not a positive integer!');
if(!empty($array['page_name']))$this->set('page_name',$array['page_name']);//设置pagename
$this->_set_nowindex($nowindex);//设置当前页
$this->_set_url($url);//设置链接地址
$this->totalpage=ceil($total/$perpage);
$this->total=$total;
$this->offset=($this->nowindex-1)*$perpage;
if(!empty($array['ajax']))$this->open_ajax($array['ajax']);//打开AJAX模式
}
/**
* 设定类中指定变量名的值,如果改变量不属于这个类,将throw一个exception
*
* @param string $var
* @param string $value
*/
function set($var,$value)
{
if(in_array($var,get_object_vars($this)))
$this->$var=$value;
else {
$this->error(__FUNCTION__,$var." does not belong to PB_Page!");
}
}
/**
* 打开倒AJAX模式
*
* @param string $action 默认ajax触发的动作。
*/
function open_ajax($action)
{
$this->is_ajax=true;
$this->ajax_action_name=$action;
}
/**
* 获取显示"下一页"的代码
*
* @param string $style
* @return string
*/
function next_page($style='')
{
if($this->nowindextotalpage){
return $this->_get_link($this->_get_url($this->nowindex+1),$this->next_page,$style);
}
return '
'.$this->next_page.' ';
}
/**
* 获取显示“上一页”的代码
*
* @param string $style
* @return string
*/
function pre_page($style='')
{
if($this->nowindex>1){
return $this->_get_link($this->_get_url($this->nowindex-1),$this->pre_page,$style);
}
return '
'.$this->pre_page.' ';
}
/**
* 获取显示“上十页”的代码
*
* @param string $style
* @return string
*/
function pre_ten_page($style='')
{
if(intval($this->nowindex/10)+1>1){
return $this->_get_link($this->_get_url(intval($this->nowindex/10)*10-5),$this->pre_ten_page,$style);
}
return '
'.$this->pre_ten_page.' ';
}
/**
* 获取显示"下十页"的代码
*
* @param string $style
* @return string
*/
function next_ten_page($style='')
{
if(intval($this->nowindex/10)
totalpage/10)){ return $this->_get_link($this->_get_url((intval($this->nowindex/10)+1)*10+5),$this->next_ten_page,$style); } return ''.$this->next_ten_page.' '; } /** * 获取显示“首页”的代码 * * @return string */ function first_page($style='') { if($this->nowindex==1){ return ''.$this->first_page.' '; } return $this->_get_link($this->_get_url(1),$this->first_page,$style); } /** * 获取显示“尾页”的代码 * * @return string */ function last_page($style='') { if($this->nowindex==$this->totalpage){ return ''.$this->last_page.' '; } return $this->_get_link($this->_get_url($this->totalpage),$this->last_page,$style); } function nowbar($style='',$nowindex_style='') { $plus=ceil($this->pagebarnum/2); if($this->pagebarnum-$plus+$this->nowindex>$this->totalpage)$plus=($this->pagebarnum-$this->totalpage+$this->nowindex); $begin=$this->nowindex-$plus+1; $begin=($begin>=1)?$begin:1; $return=''; for($i=$begin;$ipagebarnum;$i++) { if($itotalpage){ if($i!=$this->nowindex) $return.=$this->_get_text($this->_get_link($this->_get_url($i),$i,$style)); else $return.=$this->_get_text(''.$i.' '); }else{ break; } $return.="\n"; } unset($begin); return $return; } /** * 获取显示跳转按钮的代码 * * @return string */ function select() { $return=''; for($i=1;$itotalpage;$i++) { if($i==$this->nowindex){ $return.=''.$i.' '; }else{ $return.=''.$i.' '; } } unset($i); $return.=' '; return $return; } /** * 获取mysql 语句中limit需要的值 * * @return string */ function offset() { return $this->offset; } /** * 控制分页显示风格(你可以增加相应的风格) * * @param int $mode * @return string */ function show($mode=1,$url='') { switch ($mode) { case '1': $this->next_page='下一页'; $this->pre_page='上一页'; return $this->pre_page().$this->nowbar().$this->next_page().'第'.$this->select().'页'; break; case '2': $this->next_page='下一页'; $this->pre_page='上一页'; $this->first_page='首页'; $this->last_page='尾页'; return $this->first_page().$this->pre_page().'[第'.$this->nowindex.'页]'.$this->next_page().$this->last_page().'第'.$this->select().'页'; break; case '3': $this->next_page='下一页'; $this->pre_page='上一页'; $this->first_page='首页'; $this->last_page='尾页'; return $this->first_page().$this->pre_page().$this->next_page().$this->last_page(); break; case '4': $this->next_page='next'; $this->pre_page='last'; return $this->pre_page().$this->nowbar().$this->next_page(); break; case '5': return $this->pre_bar().$this->pre_page().$this->nowbar().$this->next_page().$this->next_bar(); break; case '6': //启用了“上一页”,“下一页”,“最后一页”。可根据情况启用“第一页”。 //$this->first_page=' '; $this->pre_page=' '; $this->next_page=' '; $this->last_page='最后一页'; //return "".$this->select()." "."页 "."".$this->first_page()." "."".$this->pre_page()." "."".$this->next_page()." "."".$this->last_page()." "; return "共有[".$this->total."]件商品 ".$this->nowindex."/".$this->totalpage."页 "."".$this->pre_page()." ".$this->next_page()." "."".$this->last_page()." ".$this->select()." 页 "; break; case '7': $this->next_page=' '; $this->pre_page=' '; $this->first_page=' '; $this->last_page=' '; if($this->totalpage==0) {$this->nowindex=0;} return $this->first_page()." ".$this->pre_page()." ".$this->next_page()." ".$this->last_page()." ".$this->select(); break; case '8': //启用了“上一页”,“下一页”,“最后一页”。可根据情况启用“第一页”。 //$this->first_page=' '; $this->pre_page=' '; $this->next_page=' '; $this->last_page='最后一页'; if($this->totalpage==0) {$this->nowindex=0;} //return "
".$this->select()." "."页 "."".$this->first_page()." "."".$this->pre_page()." "."".$this->next_page()." "."".$this->last_page()." "; return "共有[".$this->total."]条信息 ".$this->nowindex."/".$this->totalpage."页 "."".$this->pre_page()." ".$this->next_page()." "."".$this->last_page()." ".$this->select()." 页 "; break; } } /*----------------private function (私有方法)-----------------------------------------------------------*/ /** * 设置url头地址 * @param: String $url * @return boolean */ function _set_url($url="") { if(!empty($url)){ //手动设置 $this->url=$url.((stristr($url,'?'))?'&':'?').$this->page_name."="; }else{ //自动获取 if(empty($_SERVER['QUERY_STRING'])){ //不存在QUERY_STRING时 $this->url=$_SERVER['REQUEST_URI']."?".$this->page_name."="; }else{ // if(stristr($_SERVER['QUERY_STRING'],$this->page_name.'=')){ //地址存在页面参数 $this->url=str_replace($this->page_name.'='.$this->nowindex,'',$_SERVER['REQUEST_URI']); $last=$this->url[strlen($this->url)-1]; if($last=='?'||$last=='&'){ $this->url.=$this->page_name."="; }else{ $this->url.='&'.$this->page_name."="; } }else{ // $this->url=$_SERVER['REQUEST_URI'].'&'.$this->page_name.'='; }//end if }//end if }//end if } /** * 设置当前页面 * */ function _set_nowindex($nowindex) { if(empty($nowindex)){ //系统获取 if(isset($_GET[$this->page_name])){ $this->nowindex=intval($_GET[$this->page_name]); } }else{ //手动设置 $this->nowindex=intval($nowindex); } } /** * 为指定的页面返回地址值 * * @param int $pageno * @return string $url */ function _get_url($pageno=1) { return $this->url.$pageno; } /** * 获取分页显示文字,比如说默认情况下_get_text('1 ')将返回[1 ] * * @param String $str * @return string $url */ function _get_text($str) { return $this->format_left.$str.$this->format_right; } /** * 获取链接地址 */ function _get_link($url,$text,$style=''){ $style=(empty($style))?'':'class="'.$style.'"'; if($this->is_ajax){ //如果是使用AJAX模式 return ''.$text.' '; }else{ return ''.$text.' '; } } /** * 出错处理方式 */ function error($function,$errormsg) { die('Error in file '.__FILE__.' ,Function '.$function.'() :'.$errormsg); } } ?>
http://www.bkjia.com/PHPjc/319588.html www.bkjia.com true http://www.bkjia.com/PHPjc/319588.html TechArticle ?php //本分页类不处理SQL; //大大的加快了分页功能 //http://blog.csdn.net/fkedwgwy //潇湘博客--潇湘 /** 演示 require_once('../libs/classes/page.class.php');...