PHP封装的完整分页类示例

本文实例讲述了PHP封装的完整分页类。分享给大家供大家参考，具体如下：<?phpclasspage

本文实例讲述了PHP封装的完整分页类。分享给大家供大家参考，具体如下：

<?php 
class pageclass{
 private $total; //总记录
 private $pagesize; //每页显示多少条
 private $limit; //limit
 private $page; //当前页
 private $pagenum; //总页码
 private $url; //地址
 public function __construct($_total,$_pagesize,$page){
 $this->total = $_total ? $_total :1 ; //总条数
 $this->pagesize = $_pagesize; //每页显示多少条
 $this->page = $page; //当前页码
 $this->pagenum = ceil($this->total / $this->pagesize); //总页码
 $this->limit = "limit ".($this->page-1)*$this->pagesize.",".$this->pagesize; //分页语句
 $this->url = $this->setUrl(); //地址
 }
 //分页语句
 public function limit(){
 return $this->limit;
 }
 //当前的url地址
 public function setUrl(){
 $server = $_SERVER['REQUEST_URI'];
 $im = explode('/',$server);
 if(empty($_SERVER['PATH_INFO'])){
 $array = array_splice($im,2,0,array('2'=>'index.php'));
 }
 $controller = $im[3];
 $action = $im[4];
 if(empty($_SERVER['PATH_INFO'])){
 $servers = "http://".$_SERVER['HTTP_HOST']."/".$im[1]."/".$controller."/".$action."/";
 }else{
 $servers = "http://".$_SERVER['HTTP_HOST'].$_SERVER['SCRIPT_NAME']."/".$controller."/".$action."/";
 }
 return $servers;
 //return $im;
 }
 //首页
 public function first(){
 //return $this->page;
 if($this->page > 1){
 return "<a href='".$this->url."page/1'>首页</a>";
 }
 }
 //上一页
 public function prev(){
 if($this->page==1){
 $page = 1;
 }else{
 $page = $this->page-1;
 }
 if($this->page > 1){
 return "<a href='".$this->url."page/".$page."'>上一页</a>";
 }else{
 return "<span class='disabled'>上一页</span>";
 }
 }
 //下一页
 public function next(){
 $page = $this->page+1;
 if($this->page < $this->pagenum){
 if(empty($this->page)){
 $pages = $this->page+2;
 return "<a href='".$this->url."page/".$pages."'>下一页</a>";
 }else{
 return "<a href='".$this->url."page/".$page."'>下一页</a>";
 }
 }else{
 return "<span class='disabled'>下一页</span>";
 }
 }
 //尾页
 public function last(){
 if($this->page < $this->pagenum){
 return "<a href='".$this->url."page/".$this->pagenum."'>尾页</a>";
 }
 }
 //分页
 public function showpage(){
 $page_ = "";
 $page_ .= $this->first();
 $page_ .= " ".$this->prev();
 $page_ .= " ".$this->next();
 $page_ .= " ".$this->last();
 return $page_;
 }
}