php仿ZOL分页类代码

<?php /** 
* 功能:分页类 
* 作者:phpox 
* 时间:Sat Jul 14 18:15:02 CST 2007 
*/ 
defined('PHPOX') or die(header("HTTP/1.1 403 Not Forbidden")); 
class page{ 
public $infocount; 
public $pagecount; 
public $items; 
public $pageno; 
public $start; 
public $next; 
public $prev; 
public $maxpages; 
public function __construct($infocount,$items,$pageno){ 
$this->infocount = $infocount; 
$this->items = $items; 
$this->pageno = $pageno; 
$this->pagecount = $this->getpagecount(); 
$this->justpageno(); 
$this->start = $this->getstart(); 
$this->gotoprev(); 
$this->gotonext(); 
} 
private function justpageno(){ 
if (emptyempty($this->pageno) || $this->pageno < 1){ 
$this->pageno = 1; 
} 
if ($this->pageno > $this->pagecount){ 
$this->pageno = $this->pagecount; 
} 
} 
private function gotonext(){ 
$next = $this->pageno + 1; 
if ($next > $this->pagecount){ 
$this->next = $this->pagecount; 
}else { 
$this->next = $next; 
} 
} 
private function gotoprev(){ 
$prev = $this->pageno -1; 
if ($prev < 1){ 
$this->prev = 1; 
}else { 
$this->prev = $prev; 
} 
} 
private function getpagecount(){ 
return ceil($this->infocount / $this->items); 
} 
private function getstart(){ 
if ($this->pageno <= 1){ 
return 0; 
}else { 
return ($this->pageno - 1) * $this->items; 
} 
} 
/** 
* 样式0(php) 
*/ 
public function showpage($ctlname,$actname,$args = null){ 
if ($args !== null){ 
if (is_array($args)){ 
$str = '&'.encode_url_args($args); 
} 
} 
$out = ''; 
$out .= "每页显示{$this->items}条信息 "; 
$out .= "当前页<strong><font color=\"#FF0000\">{$this->pageno}</font>/{$this->pagecount}</strong> "; 
$out .= "共有{$this->infocount}条信息 "; 
$out .= "<a href='?ctl={$ctlname}&act={$actname}&p=1$str'>首页</a> "; 
$out .= "<a href='?ctl={$ctlname}&act={$actname}&p={$this->prev}$str'>上一页</a> "; 
$out .= "<a href='?ctl={$ctlname}&act={$actname}&p={$this->next}$str'>下一页</a> "; 
$out .= "<a href='?ctl={$ctlname}&act={$actname}&p={$this->pagecount}$str'>尾页</a> "; 
$out .= "跳转到:"; 
$out .= "<select id=\"page\" name=\"page\" onchange=\"javascript:window.location='?ctl={$ctlname}&act={$actname}$str&p='+this.options[this.selectedIndex].value;\">\n"; 
$out .= " <option value=\"1\">请选择</option>\n"; 
for ($i = 1;$i <= $this->pagecount;$i++){ 
$out .= " <option value=\"$i\">第{$i}页</option>\n"; 
} 
$out .= "</select>\n"; 
return $out; 
} 
/** 
* 样式1(html) 
*/ 
function htmlshowpage($path,$list,$film){ 
$out = ''; 
$out .= "每页显示{$this->items}条信息 "; 
$out .= "当前页<strong><font color=\"#FF0000\">{$this->pageno}</font>/{$this->pagecount}</strong> "; 
$out .= "共有{$this->infocount}条信息 "; 
$out .= "<a href='{$path}$list/{$film}_1.html'>首页</a> "; 
$out .= "<a href='{$path}$list/{$film}_{$this->prev}.html'>上一页</a> "; 
$out .= "<a href='{$path}$list/{$film}_{$this->next}.html'>下一页</a> "; 
$out .= "<a href='{$path}$list/{$film}_{$this->pagecount}.html'>尾页</a> "; 
$out .= "跳转到:"; 
$out .= "<select id=\"page\" name=\"page\" onchange=\"javascript:window.location='{$path}html/$list/{$film}_'+this.options[this.selectedIndex].value +'.html'\">\n"; 
$out .= " <option value=\"1\">请选择</option>\n"; 
for ($i = 1;$i <= $this->pagecount;$i++){ 
$out .= " <option value=\"$i\">第{$i}页</option>\n"; 
} 
$out .= "</select>\n"; 
return $out; 
} 
/** 
* 样式2(discuz) 
*/ 
function multi($mpurl,$page = 10) { 
$multipage = ''; 
$mpurl .= strpos($mpurl, '?') !== false ? '&' : '?'; 
$realpages = 1; 
if($this->infocount > $this->items) { 
$offset = 2; 
$realpages = @ceil($this->infocount / $this->items); 
$pages = $this->maxpages && $this->maxpages < $realpages ? $this->maxpages : $realpages; 
if($page > $pages) { 
$from = 1; 
$to = $pages; 
} else { 
$from = $this->pageno - $offset; 
$to = $from + $page - 1; 
if($from < 1) { 
$to = $this->pageno + 1 - $from; 
$from = 1; 
if($to - $from < $page) { 
$to = $page; 
} 
} elseif($to > $pages) { 
$from = $pages - $page + 1; 
$to = $pages; 
} 
} 
$multipage = ($this->pageno - $offset > 1 && $pages > $page ? '<a href="'.$mpurl.'page=1" class="first">1 ...</a>' : ''). 
($this->pageno > 1 ? '<a href="'.$mpurl.'page='.($this->pageno - 1).'" class="p_redirect"><<</a>' : ''); 
for($i = $from; $i <= $to; $i++) { 
$multipage .= $i == $this->pageno ? '<a class="p_curpage"><strong>'.$i.'</strong></a>' :'<a href="'.$mpurl.'page='.$i.'" class="p_num">'.$i.'</a>'; 
} 
$multipage .= ($this->pageno < $pages ? '<a href="'.$mpurl.'page='.($this->pageno + 1).'" class="p_redirect">>></a>' : ''). 
($to < $pages ? '<a href="'.$mpurl.'page='.$pages.'" class="last">... '.$realpages.'</a>' : ''). 
($pages > $page ? '<kbd><input type="text" name="custompage" size="3" onkeydown="if(event.keyCode==13) {window.location=\''.$mpurl.'page=\'+this.value; return false;}" /></kbd>' : ''); 
$multipage = $multipage ? '<div class="p_bar"><a class="p_total"> '.$this->infocount.' </a><a class="p_pages"> '.$this->pageno.'/'.$pages.' </a>'.$multipage.'</div>' : ''; 
} 
return $multipage; 
} 
/** 
* 样式3(zol) 
*/ 
public function zol($mpurl) 
{ 
$mpurl .= strpos($mpurl, '?') !== false ? '&' : '?'; 
$code = '<div class="f22 mt10 hei14">'; 
$code .= '<div style="line-height:30px">第<font class="a_hong14b">'.$this->pageno.'</font><font class="a_hei14">/'.$this->pagecount.'</font>页 每页<font class="a_hei14">'.$this->items.'</font> 共<font class="a_hong14b">'.$this->infocount.'</font>款产品</div>'; 
$code .= '<table border="0" align="right" cellpadding="0" cellspacing="3">'; 
$code .= '<tr>'; 
if ($this->pageno == $this->prev) 
{ 
$code .= "<td width='64' align='center' class='bd_hui huei14b'><a disabled='disabled' class='a_hui12b'><<上一页</a></td>"; 
} 
else 
{ 
$code .= "<td width='64' align='center' class='bd_lan a_lan14'><a href='{$mpurl}page={$this->prev}' class='a_lan12b'><<上一页</a></td>"; 
} 
$i = 10 ; 
$k = 1; 
if ($this->pageno < 1) 
{ 
$this->pageno = 1; 
} 
if ($this->pageno > $this->pagecount) 
{ 
$this->pageno = $this->pagecount; 
} 
$s = $this->pageno-2; 
if ($s <= 0) 
{ 
$s = 1; 
} 
$e = $this->pageno+2; 
if ($e < 5 ) 
{ 
$e = 5; 
} 
if ($e > $this->pagecount) 
{ 
$e = $this->pagecount; 
} 
for ($j=$s;$j<=$e;$j++) 
{ 
if ($this->pageno == $j) 
{ 
$code .= '<td width="22" bgcolor="#2E6AB1" class="bei14" align="center">'.$j.'</td>'; 
} 
else 
{ 
$code .= "<td width='22' align='center' class='bd_lan a_lan14' onMouseOver=\"this.style.border='1px solid #2062A4'\" onMouseOut=\"this.style.border='1px solid #AACCEE'\" style=\"CURSOR: hand\" onClick=\"javascript:window.location=('{$mpurl}page={$j}')\">$j</td>"; 
} 
} 
if ($this->pageno == $this->pagecount) 
{ 
$code .= "<td align='center' width='64' class='bd_hui huei14b'><a disabled='disabled' >下一页>></a></td>"; 
} 
else 
{ 
$code .= "<td align='center' width='64' class='bd_lan lan14b'><a href='{$mpurl}page={$this->next}' class='a_lan12b'>下一页>></a></td>"; 
} 
$code .= '</tr>'; 
$code .= '</table>'; 
$code .= '</div>'; 
return $code; 
} 
}