-
class Page {
- private $total; //数据表中总记录数
- private $listRows; //每页显示行数
- private $limit;
- private $uri;
- private $pageNum; //页数
- private $config=array('header'=>"个记录", "prev"=>"上一页", "next"=>"下一页", "first"=>"首 页", "last"=>"尾 页");
- private $listNum=8;
- /*
- * $total
- * $listRows
- */
- public function __construct($total, $listRows=10, $pa=""){
- $this->total=$total;
- $this->listRows=$listRows;
- $this->uri=$this->getUri($pa);
- $this->page=!empty($_GET["page"]) ? $_GET["page"] : 1;
- $this->pageNum=ceil($this->total/$this->listRows);
- $this->limit=$this->setLimit();
- }
-
- private function setLimit(){
- return "Limit ".($this->page-1)*$this->listRows.", {$this->listRows}";
- }
-
- private function getUri($pa){
- $url=$_SERVER["REQUEST_URI"].(strpos($_SERVER["REQUEST_URI"], '?')?'':"?").$pa;
- echo $url;
- $parse=parse_url($url);
-
-
-
- if(isset($parse["query"])){
- parse_str($parse['query'],$params);
- unset($params["page"]);
- $url=$parse['path'].'?'.http_build_query($params);
-
- }
-
- return $url;
- }
-
- private function __get($args){
- if($args=="limit")
- return $this->limit;
- else
- return null;
- }
-
- private function start(){
- if($this->total==0)
- return 0;
- else
- return ($this->page-1)*$this->listRows+1;
- }
-
- private function end(){
- return min($this->page*$this->listRows,$this->total);
- }
-
- private function first(){
- if($this->page==1)
- $html.='';
- else
- $html.=" {$this->config["first"]} ";
-
- return $html;
- }
-
- private function prev(){
- if($this->page==1)
- $html.='';
- else
- $html.=" {$this->config["prev"]} ";
-
- return $html;
- }
-
- private function pageList(){
- $linkPage="";
-
- $inum=floor($this->listNum/2);
-
- for($i=$inum; $i>=1; $i--){
- $page=$this->page-$i;
-
- if($page continue;
-
- $linkPage.=" {$page} ";
-
- }
-
- $linkPage.=" {$this->page} ";
-
-
- for($i=1; $i $page=$this->page+$i;
- if($pagepageNum)
- $linkPage.=" {$page} ";
- else
- break;
- }
-
- return $linkPage;
- }
-
- private function next(){
- if($this->page==$this->pageNum)
- $html.='';
- else
- $html.=" {$this->config["next"]} ";
-
- return $html;
- }
-
- private function last(){
- if($this->page==$this->pageNum)
- $html.='';
- else
- $html.=" {$this->config["last"]} ";
-
- return $html;
- }
-
- private function goPage(){
- return ' ';
- }
- function fpage($display=array(0,1,2,3,4,5,6,7,8)){
- $html[0]=" 共有{$this->total}{$this->config["header"]} ";
- $html[1]=" 每页显示".($this->end()-$this->start()+1)."条,本页{$this->start()}-{$this->end()}条 ";
- $html[2]=" {$this->page}/{$this->pageNum}页 ";
-
- $html[3]=$this->first();
- $html[4]=$this->prev();
- $html[5]=$this->pageList();
- $html[6]=$this->next();
- $html[7]=$this->last();
- $html[8]=$this->goPage();
- $fpage='';
- foreach($display as $index){
- $fpage.=$html[$index];
- }
-
- return $fpage;
-
- }
-
-
- }
-
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