php 简单简洁分页类
myde_count = $this -> numeric($myde_count);
$this -> myde_size = $this -> numeric($myde_size);
$this -> myde_page = $this -> numeric($myde_page);
$this -> page_limit = ($this -> myde_page * $this -> myde_size) - $this -> myde_size;
$this -> page_url = $page_url;
if($this -> myde_page myde_page =1;
if($this -> myde_count myde_page =0;
$this -> myde_page_count = ceil($this -> myde_count/$this -> myde_size);
if($this -> myde_page_count myde_page_count = 1;
if($this -> myde_page > $this -> myde_page_count) $this -> myde_page = $this -> myde_page_count;
$this -> page_i = $this -> myde_page - 2;
$this -> page_ub = $this -> myde_page + 2;
if($this -> page_i page_ub = $this -> page_ub + (1 - $this -> page_i);
$this -> page_i = 1;
}
if($this -> page_ub > $this -> myde_page_count){
$this -> page_i = $this -> page_i - ($this -> page_ub - $this -> myde_page_count);
$this -> page_ub = $this -> myde_page_count;
if($this -> page_i page_i = 1;
}
}
private function numeric($id) //判断是否为数字
{
if (strlen($id)){
if (!ereg("^[0-9]+$",$id)){
$id = 1;
}else{
$id = substr($id,0,11);
}
}else{
$id = 1;
}
return $id;
}
private function page_replace($page) //地址替换
{
return str_replace("{page}", $page, $this -> page_url);
}
private function myde_home() //首页
{
if($this -> myde_page != 1){
return " [url=] page_replace(1)."" title="首页" >首页[/url]n";
}else{
return " 首页n";
}
}
private function myde_prev() //上一页
{
if($this -> myde_page != 1){
return " [url=] page_replace($this->myde_page-1) ."" title="上一页" >上一页[/url]n";
}else{
return " 上一页n";
}
}
private function myde_next() //下一页
{
if($this -> myde_page != $this -> myde_page_count){
return " [url=] page_replace($this->myde_page+1) ."" title="下一页" >下一页[/url]n";
}else{
return " 下一页n";
}
}
private function myde_last() //尾页
{
if($this -> myde_page != $this -> myde_page_count){
return " [url=] page_replace($this -> myde_page_count)."" title="尾页" >尾页[/url]n";
}else{
return " 尾页n";
}
}
function myde_write($id='page') //输出
{
$str = "n n ";
$str .= " 总记录:".$this -> myde_count."n";
$str .= " ".$this -> myde_page."/".$this -> myde_page_count."n";
$str .= $this -> myde_home();
$str .= $this -> myde_prev();
for($page_for_i = $this -> page_i;$page_for_i page_ub; $page_for_i++){
if($this -> myde_page == $page_for_i){
$str .= " ".$page_for_i."n";
}
else{
$str .= " [url=] page_replace($page_for_i)."" title="第".$page_for_i."页">";
$str .= $page_for_i . "[/url]n";
}
}
$str .= $this -> myde_next();
$str .= $this -> myde_last();
$str .= " myde_page.""";
$str .= " Onkeydown="Javascript: if(event.keyCode==13){ location='";
$str .= $this -> page_replace("'+this.value+'")."';return false;}"";
$str .= " title="输入您想要到达的页码" />n";
$str .= " n
n
";
return $str;
}
}
/*-------------------------实例--------------------------------*
$page = new PageClass(1000,5,$_GET['page'],'?page={page}');//用于动态
$page = new PageClass(1000,5,$_GET['page'],'list-{page}.html');//用于静态或者伪静态
$page -> myde_write();//显示
*/
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