!function_exists('cdstr') && exit('forbidden');
class wrzc_netpage {
private $page_name="p";
private $pagesize=10;//每页显示记录条数
private $total=0;//总的记录数
private $pagebarnum=10;//bar数。
private $totalpage=0;
private $linkhead="";//url地址头
private $current_pageno=1;//当前页
public function __construct($total,$pagesize=10) {
if((!is_int($total))||($total<0))die("记录总数错误！");
if((!is_int($pagesize))||($pagesize<0))die("pagesize错误！");
$this->set("total",$total);
$this->set("pagesize",$pagesize);
$this->set('totalpage',ceil($total/$pagesize));
}
public function set($var,$value){
if(in_array($var,get_object_vars($this)))
$this->$var=$value;
else {
throw new pb_page_exception("error in set():".$var." does not belong to pb_page!");
}
}
public function get_linkhead() {
$this->set_current_page();
if(empty($_server['query_string'])){
$this->linkhead=$_server['request_uri']."?".$this->page_name."=";
}else{
if(isset($_get[$this->page_name])){
$this->linkhead=str_replace($this->page_name.'='.$this->current_pageno,$this->page_name.'=',$_server['request_uri']);
} else {
$this->linkhead=$_server['request_uri'].'&'.$this->page_name.'=';
}
}
}
/*为指定的页面返回地址值*/
public function get_url($pageno=1){
if(empty($this->linkhead))$this->get_linkhead();
return str_replace($this->page_name.'=',$this->page_name.'='.$pageno,$this->linkhead);
}
/*当前页*/
public function set_current_page($current_pageno=0) {
if(empty($current_pageno)){
if(isset($_get[$this->page_name])){$this->current_pageno=intval($_get[$this->page_name]);}
}else{
$this->current_pageno=intval($current_pageno);
}
if ($this->current_pageno>$this->totalpage) header("location:./");//$this->current_pageno=1
}
public function set_format($str) {return $this->format_left.$str.$this->format_right;}
/* 获取显示"下一页"*/
public function next_page() {
if($this->current_pageno<$this->totalpage){
return ''.$this->next_page.'';
}
return '';
}
/*获取显示“上一页”*/
public function pre_page() {
if($this->current_pageno>1){return ''.$this->pre_page.'';}
return '';
}
/*获取显示“首页”*/
public function first_page() {return ''.$this->first_page."";}
/*获取显示“尾页”*/
public function last_page() {return ''.$this->last_page.'';}
public function nowbar() {
if ($this->totalpage > 1){
$begin=$this->current_pageno-ceil($this->pagebarnum/2);
$begin=($begin>=1)?$begin:1;
$return='';
for($i=$begin;$i<$begin+$this->pagebarnum;$i++){
if($i<=$this->totalpage){
if($i!=$this->current_pageno){
$return.="".$i.'';
}else {
$return.='
'.$i.'
';
}
}else{
break;
}
}
unset($begin);
}
return $return;
}
/*“上一页”*/
public function pre_bar() {
if($this->current_pageno>ceil($this->pagebarnum/2)){
$pageno=$this->current_pageno-$this->pagebarnum;
if($pageno<=0)$pageno=1;
return $this->set_format(''.$this->pre_bar."");
}
return $this->set_format(''.$this->pre_bar."");
}
/*“下一页”*/
public function next_bar() {
if($this->current_pageno<$this->totalpage-ceil($this->pagebarnum/2)){
$pageno=$this->current_pageno+$this->pagebarnum;
return $this->set_format(''.$this->next_bar."");
}
return $this->set_format(''.$this->next_bar."");
}
/*跳转*/
public function select() {
$return='';
return $return;
}
public function pagebar($mode=1){
global $global;
$this->set_current_page();
$this->get_linkhead();
//return ("共有".$this->total."条记录。");
switch ($mode) {
case 1:
$this->pre_page='';
$this->next_page='';
return $this->pre_page().$this->nowbar().$this->next_page().'
public function __construct($total,$pagesize=10) {
if((!is_int($total))||($total<0))die("记录总数错误！");
if((!is_int($pagesize))||($pagesize<0))die("pagesize错误！");
$this->set("total",$total);
$this->set("pagesize",$pagesize);
$this->set('totalpage',ceil($total/$pagesize));
}
public function set($var,$value)
{
if(in_array($var,get_object_vars($this)))
$this->$var=$value;
else {
throw new pb_page_exception("error in set():".$var." does not belong to pb_page!");
}
}
/**
* get the default url获取指定的url地址
*
*/
/*
public function get_linkhead() {
$this->set_current_page();
$this->linkhead=$_server['php_self']."?".$this->page_name."=";
}
*/
public function get_linkhead() {
$this->set_current_page();
if(empty($_server['query_string'])){
$this->linkhead=$_server['request_uri']."?".$this->page_name."=";
}else{
if(isset($_get[$this->page_name])){
$this->linkhead=str_replace($this->page_name.'='.$this->current_pageno,$this->page_name.'=',$_server['request_uri']);
} else {
$this->linkhead=$_server['request_uri'].'&'.$this->page_name.'=';
}
}
}
/**
* 为指定的页面返回地址值
*/
public function get_url($pageno=1)
{
if(empty($this->linkhead))$this->get_linkhead();
return str_replace($this->page_name.'=',$this->page_name.'='.$pageno,$this->linkhead);
}
/**
* 设置当前页面
*
*/
public function set_current_page($current_pageno=0) {
if(empty($current_pageno)){
if(isset($_get[$this->page_name])){
$this->current_pageno=intval($_get[$this->page_name]);
}
}else{
$this->current_pageno=intval($current_pageno);
}
if ($this->current_pageno>$this->totalpage) header("location:./");//////////$this->current_pageno=1////////////
}
public function set_format($str) {
return $this->format_left.$str.$this->format_right;
}
