<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
class Mypage_class {
public $part=2;
public $totalpage=0;
public $url='';
public $total=0;
public $perpage=5;
public $nowindex=1;
public $seg=3;
public $next_page='下一页';
public $pre_page='上一页';
public $first_page='首页';
public $last_page='末页';
public function __construct($params = array())
{
if (count($params) > 0)
{
$this->initialize($params);
}
log_message('debug', "MyPage Class Initialized");
}
function initialize($params)
{
if (count($params) > 0)
{
$this->total=isset($params['total']) ? intval($params['total']) : 0;
$this->perpage=isset($params['perpage']) ? intval($params['perpage']) : 5;
$this->nowindex=isset($params['nowindex']) ? intval($params['nowindex']) : 1;
$this->url=isset($params['url']) ? $params['url'] : '';
$this->part=isset($params['part']) ? $params['part'] : 2;
$this->seg=isset($params['seg']) ? $params['seg'] : 3;
$this->next_page=isset($params['next_page']) ? $params['next_page'] : '下一页';
$this->pre_page=isset($params['pre_page']) ? $params['pre_page'] : '上一页';
$this->first_page=isset($params['first_page']) ? $params['first_page'] : '首页';
$this->last_page=isset($params['last_page']) ? $params['last_page'] : '末页';
}
$this->totalpage=ceil( $this->total / $this->perpage);
$this->_myset_url($this->url);
}
function next_page($style='pg_next')
{
if($this->nowindex < $this->totalpage){
return $this->_get_link($this->_get_url($this->nowindex + 1), $this->next_page, $style);
}
return '<span class="'.$style.'">'.$this->next_page.'</span>';
}
function pre_page($style='pg_pre')
{
if($this->nowindex > 1){
return $this->_get_link($this->_get_url($this->nowindex-1),$this->pre_page,$style);
}
return '<span class="'.$style.'">'.$this->pre_page.'</span>';
}
function first_page($style='pg_first')
{
if($this->nowindex == 1){
return '<span class="'.$style.'">'.$this->first_page.'</span>';
}
return $this->_get_link($this->_get_url(1),$this->first_page,$style);
}
function last_page($style='pg_last')
{
if($this->nowindex == $this->totalpage){
return '<span class="'.$style.'">'.$this->last_page.'</span>';
}
return $this->_get_link($this->_get_url($this->totalpage),$this->last_page,$style);
}
function nowbar($style='pg_link',$nowindex_style='pg_curr')
{
$plus=$this->part;
$begin=1;
$end=$this->totalpage;
if ($this->nowindex > $plus) {
$begin=$this->nowindex-$plus;
$end = $this->nowindex + $plus;
if ($end > $this->totalpage) {
$begin= ($begin - $end + $this->totalpage>0) ? ($begin - $end + $this->totalpage) : 1;
$end = $this->totalpage;
}
} else {
$begin=1;
$end = $begin + 2*$plus;
$end = $end > $this->totalpage ? $this->totalpage : $end;
}
$out='';
for($i = $begin;$i <= $end; $i++)
{
if($i != $this->nowindex){
$out.= $this->_get_link($this->_get_url($i),$i,$style);
}else{
$out.= '<span class="'.$nowindex_style.'">'.$i.'</span>';
}
}
return $out;
}
function select()
{
$out='<select name="pagelect" class="pg_select">';
for($i=1;$i <= $this->totalpage;$i++)
{
if($i==$this->nowindex){
$out.='<option value="'.$i.'" selected>'.$i.'</option>';
}else{
$out.='<option value="'.$i.'">'.$i.'</option>';
}
}
$out.='</select>';
return $out;
}
function show($mode=1)
{
switch ($mode)
{
case 1:
return $this->pre_page().$this->nowbar().$this->next_page();
break;
case 2:
return $this->first_page().$this->pre_page().$this->nowbar().$this->next_page().$this->last_page().' 第'.$this->select().'页';
break;
case 3:
return $this->pre_page().$this->nowbar().$this->next_page();
break;
default:
return $this->pre_page().$this->nowbar().$this->next_page().' 第'.$this->select().'页';
break;
}
}
public function _myset_url($url)
{
$CI=&get_instance();
$CI->load->helper('url');
if (empty($url)) {
$cururl='';
$cururl=uri_string();
$segementarray=explode("/",$cururl);
$c=0;
for ($i=0; $i < sizeof($segementarray); $i++) {
if ($segementarray[$i] && $c < $this->seg-1) {
$url=$url.'/'.$segementarray[$i];
$c++;
}
}
}
$this->url=site_url($url);
}
function _get_url($pagenum=1)
{
return $this->url.'/'.$pagenum;
}
function _get_link($url,$text,$style=''){
$style=$style?'class="'.$style.'"':'';
return '<a '.$style.' href="'.$url.'">'.$text.'</a>';
}
}
?>
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