PHP分頁類的使用

PHP分頁類的使用 page.class.php class Page { private $total_rows;//資料庫總條數 private $per_page_rows;//每頁顯示條數 private $limit; private $uri; private $total_pages;//總頁數 private $config=array("header"=>"記錄條數","prev"=>"上一頁","next"=>"下一頁","first"=>"首 頁","last"=>"尾 頁"); private $list_length=8; public function __construct($total_rows,$per_page_rows=10,$url_args){ $this->total_rows=$total_rows; $this->per_page_rows=$per_page_rows; $this->uri=$this->get_uri($url_args); $this->page = !empty($_GET['page']) ? $_GET['page'] : 1; $this->total_pages=ceil($this->total_rows/$this->per_page_rows); $this->limit=$this->set_limit(); } private function set_limit() { return "limit ".($this->page-1)*$this->per_page_rows.",{$this->per_page_rows}"; } private function get_uri($url_args) { $url=$_SERVER["REQUEST_URI"].(strpos($_SERVER["REQUEST_URI"],"?") ? "" : "?").$url_args; $parse=parse_url($url); if (isset($parse['query'])) { parse_str($parse['query'],$params);//把url字串解析為數組 unset($params['page']);//刪除數組下標為page的值 $url=$parse['path'].'?'.http_build_query($params);//再次構建url } return $url; } public function __get($args) { if ($args=="limit") { return $this->limit; }else{ return null; } } private function start_page(){ if ($this->total_rows==0) { return 0; }else{ return (($this->page-1)*$this->per_page_rows)+1; } } private function end_page(){ return min($this->page*$this->per_page_rows,$this->total_rows); } private function go_first() { $html=""; if ($this->page==1) { $html.=" {$this->config['first']} "; }else{ $html.=" uri}&page=1'>{$this->config['first']} "; } return $html; } private function go_prev() { $html=""; if ($this->page==1) { $html.=" {$this->config['prev']} "; }else{ $html.=" uri}&page={$this->page}-1'>{$this->config['prev']} "; } return $html; } private function go_next() { $html=""; if ($this->page==$this->total_pages) { $html.=" {$this->config['next']} "; }else{ $html.=" uri}&page={$this->page}+1'>{$this->config['next']} "; } return $html; } private function go_last() { $html=""; if ($this->page==$this->total_pages) { $html.=" {$this->config['last']} "; }else{ $html.=" uri}&page={$this->total_pages}'>{$this->config['last']} "; } return $html; } private function go_page() { return ' '; } private function page_list() { $link_page=""; $i_num=floor($this->list_length/2); for ($i = $i_num; $i >= 1; $i--) { $page=$this->page-$i; if ($page<1) { continue; }else{ $link_page.=" uri}&page={$page}'>{$page} "; } } $link_page.=" {$this->page} "; for ($i = 1; $i < $i_num; $i++) { $page=$this->page+$i; if ($page<=$this->total_pages) { $link_page.=" uri}&page={$page}'>{$page} "; }else{ break; } } return $link_page; } public function out_page($display=array(0,1,2,3,4,5,6,7,8)) { $display_html=''; $html[0]=" 共有{$this->total_rows}{$this->config['header']} "; $html[1]=" 每頁顯示".($this->end_page()-$this->start_page()+1)."條,本頁顯示從{$this->start_page()}--{$this->end_page()}{$this->config['header']} "; $html[2]=" {$this->page}/{$this->total_pages}頁 "; $html[3]=$this->go_first(); $html[4]=$this->go_prev(); $html[5]=$this->page_list(); $html[6]=$this->go_next(); $html[7]=$this->go_last(); $html[8]=$this->go_page(); foreach ($display as $index){ $display_html.=$html[$index]; } return $display_html; } } ?> 複製代碼 page_demo.php header("content-type:text/html;charset=utf-8"); require_once './page.class.php'; require_once '../config/config.db.php'; //資料庫中的總條數:total_rows; //每一頁顯示的條數:per_page_rows $sql="select * from cp_sd_day"; $rt=mysql_query($sql); $total_rows=mysql_num_rows($rt); $per_page_rows=10; $page=new Page($total_rows,$per_page_rows); $sql="select * from cp_sd_day {$page->limit}"; $rt=mysql_query($sql); echo ' echo ' while (!!$row=mysql_fetch_assoc($rt)) { echo ' echo ' echo ' echo ' echo ' echo ' } echo ' '; '; echo ' '; '; '; '; '; '; '; echo ' '; cp_sd_day '.$row['date_no'].' '.$row['max_notwin'].' '.$row['sum_last_miss'].' '.$row['last_miss'].' '.$row['last_miss_sort'].' '.$page->out_page(array(2,3,4,5,6,7,8)).' '; ?> 複製代碼

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