php實現一個分頁類

檔案名稱：page.class.php

代碼級解析

"個記錄", "prev"=>"上一頁", "next"=>"下一頁", "first"=>"首 頁", "last"=>"尾 頁");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;$parse=parse_url($url);if(isset($parse["query"])){parse_str($parse['query'],$params);unset($params["page"]);$url=$parse['path'].'?'.http_build_query($params);}return $url;}function __get($args){if($args=="limit")return $this->limit;elsereturn null;}private function start(){if($this->total==0)return 0;elsereturn ($this->page-1)*$this->listRows+1;}private function end(){return min($this->page*$this->listRows,$this->total);}private function first(){if($this->page==1)$html.='';else$html.="  uri}&page=1'>{$this->config["first"]}  ";return $html;}private function prev(){if($this->page==1)$html.='';else$html.="  uri}&page=".($this->page-1)."'>{$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($page<1)continue;$linkPage.=" uri}&page={$page}'>{$page} ";}$linkPage.=" {$this->page} ";for($i=1; $i<=$inum; $i++){$page=$this->page+$i;if($page<=$this->pageNum)$linkPage.=" uri}&page={$page}'>{$page} ";elsebreak;}return $linkPage;}private function next(){if($this->page==$this->pageNum)$html.='';else$html.="  uri}&page=".($this->page+1)."'>{$this->config["next"]}  ";return $html;}private function last(){if($this->page==$this->pageNum)$html.='';else$html.="  uri}&page=".($this->pageNum)."'>{$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]="  每頁顯示".($this->end()-$this->start()+1)."條，本頁{$this->start()}-{$this->end()}條  ";$html[2]="  {$this->page}/{$this->pageNum}頁  ";$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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