php 经典的分页代码类
php 经典的分页代码类 这是一款php分页代码是一款经典的可自动判断url参数再进行分页的实例代码，同时自定了上页，下页，首页，尾页哦，同时还支持select下拉框跳转代码。
php教程 经典的php教程代码类
这是一款php分页代码是一款经典的可自动判断url参数再进行分页的实例代码，同时自定了上页，下页，首页，尾页哦，同时还支持select下拉框跳转代码。
*/
class page{
var $page_name="page";
var $next_page=下一页;
var $pre_page=上一页;
var $first_page=首页;
var $last_page=尾页;
var $pre_bar=<<;
var $next_bar=>>;
var $format_left=;
var $format_right=;
var $pagebarnum=5;
var $totalpage=0;
var $nowindex=1;
var http://pic1.phprm.com/2013/09/05/$url.jpg="";
var $offset=0;
var $rewrite = array();
function page($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]:;
$action = (array_key_exists(action, $array)) ? $array[action] : ;
$id0 = (array_key_exists(id0, $array)) ? $array[id0] : ;
$id1 = (array_key_exists(id1, $array)) ? $array[id1] : ;
$id2 = (array_key_exists(id2, $array)) ? $array[id2] : ;
$id3 = (array_key_exists(id3, $array)) ? $array[id3] : ;}else{
$total=$array;
$perpage=10;
$nowindex=;
$url=;
$action = ;
$id0 = ;
$id1 = ;
$id2 = ;
$id3 = ;}
if((!is_int($total))||($total<0))$this->error(__function__,$total. is not a positive integer!);
if((!is_int($perpage))||($perpage<=0))$this->error(__function__,$perpage. is not a positive integer!);
if(!empty($array[page_name]))$this->set(page_name,$array[page_name]);
$this->_set_nowindex($nowindex);
$this->_set_url($url);
$this->totalpage=ceil($total/$perpage);
$this->offset=($this->nowindex-1)*$perpage;
$this->action = $action;
$this->rewrite = array(action=>$action,id0=>$id0, id1=>$id1, id2=>$id2, id3=>$id3);
}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!");
}
}
function next_page($style=){
if($this->nowindex<$this->totalpage){
return $this->_get_link($this->_get_url(http://pic1.phprm.com/2013/09/05/$this->nowindex+1),$this->next_page,$style.jpg);
}
return <a class=".$style.">.$this->next_page.</a>;
}function pre_page($style=){
if($this->nowindex>1){
return $this->_get_link($this->_get_url(http://pic1.phprm.com/2013/09/05/$this->nowindex-1),$this->pre_page,$style.jpg);
}
return <a class=".$style.">.$this->pre_page.</a>;
}function first_page($style=){
if($this->nowindex==1){
return <a class=".$style.">.$this->first_page.</a>;
}
return $this->_get_link($this->_get_url(http://pic1.phprm.com/2013/09/05/1),$this->first_page,$style.jpg);
}function last_page($style=){
if($this->nowindex==$this->totalpage||$this->totalpage==0){return <a class=".$style.">.$this->last_page.</a>;
}
return $this->_get_link($this->_get_url(http://pic1.phprm.com/2013/09/05/$this->totalpage),$this->last_page,$style.jpg);
}
function nowbar($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=$begin;$i<$begin+$this->pagebarnum;$i++)
{
if($i<=$this->totalpage){
if($i!=$this->nowindex)
$return.=$this->_get_text($this->_get_link($this->_get_url(http://pic1.phprm.com/2013/09/05/$i),$i,$style.jpg));
else
$return.=$this->_get_text(<a class=".$nowindex_style.">.$i.</a>);
}else{
break;
}
$return.="n";
}
unset($begin);
return $return;
}
/**
* 获取显示跳转按钮的代码
*
* @return string
*/
function select()
{
$return=<select name="pb_page_select">;
for($i=1;$i<=$this->totalpage;$i++)
{
if($i==$this->nowindex){
$return.=<option value=".$i." selected>.$i.</option>;
}else{
$return.=<option value=".$i.">.$i.</option>;
}
}
unset($i);
$return.=</select>;return $return;
}
/**
* 获取php教程 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)
{
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 $this->first_page("page_box")."".$this->pre_page("page_box")."".$this->nowbar("page_box_a","page_box_b")."".$this->next_page("page_box")."".$this->last_page("page_box")."<a class="clear"></a>";
break;
case 4:
$this->next_page=下一页;
$this->pre_page=上一页;
return $this->pre_page().$this->nowbar().$this->next_page();
break;
case 5:
return $this->pre_bar().$this->pre_page().$this->nowbar().$this->next_page().$this->next_bar();
break;
}
}
function _set_url(http://pic1.phprm.com/2013/09/05/$url="".jpg)
{
if(!empty($url)){
$this->url=$url.((stristr($url,?))?&:?).$this->page_name."=";
}else{
if(empty($_server[query_string])){
$this->url=$_server[request_uri]."?".$this->page_name."=";
}else{
if(stristr($_server[query_string],$this->page_name.=)){
$this->url=str_replace($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].&.$this->page_name.=;
}
}
}
}
function _set_nowindex($nowindex){
if(empty($nowindex)){
if(isset($_get[$this->page_name])){
$this->nowindex=intval($_get[$this->page_name]);
}
}else{
$this->nowindex=intval($nowindex);
}
}
function _get_url(http://pic1.phprm.com/2013/09/05/$pageno=1.jpg)
{
global $_cfg;
$arr = $this->rewrite;
//print_r($arr);
//print_r($this->url.$pageno);
if($_cfg[urlrewrite] && !empty($arr[action])){
return url_rewrite($arr[action], array(id0=>$arr[id0],id1=>$arr[id1],id2=>$arr[id2],id3=>$arr[id3],page=>$pageno));
}else{
return $this->url.$pageno;
}}
function _get_text($str)
{
return $this->format_left.$str.$this->format_right;
}
function _get_link($url,$text,$style=){
$style=(empty($style))?:class=".$style.";
return <a .$style. href=".$url.">.$text.</a>;
}
function error($function,$errormsg){
die(error in file <b>.__file__.</b> ,function <b>.$function.()</b> :.$errormsg);
}
}
?>
文章网址:http://www.phprm.com/frame/php1005122.html
随意转载^^但请附上教程地址。