分页类
page
<?php
namespace xxxxxx;
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 , $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 $this->limit;
else
return null;
}
private function start() {
if ($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() {
$html = "";
if ($this->page == 1)
$html.='';
else
$html.=" <a href='{$this->uri}&page=1'>{$this->config["first"]}</a> ";
return $html;
}
private function prev() {
$html = "";
if ($this->page == 1)
$html.='';
else
$html.=" <a href='{$this->uri}&page=" . ($this->page - 1) . "'>{$this->config["prev"]}</a> ";
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;
$linkPage.=" <a href='{$this->uri}&page={$page}'>{$page}</a> ";
}
$linkPage.=" {$this->page} ";
for ($i = 1; $i <= $inum; $i++) {
$page = $this->page + $i;
if ($page <= $this->pageNum)
$linkPage.=" <a href='{$this->uri}&page={$page}'>{$page}</a> ";
else
break;
}
return $linkPage;
}
private function next() {
$html = "";
if ($this->page == $this->pageNum)
$html.='';
else
$html.=" <a href='{$this->uri}&page=" . ($this->page + 1) . "'>{$this->config["next"]}</a> ";
return $html;
}
private function last() {
$html = "";
if ($this->page == $this->pageNum)
$html.='';
else
$html.=" <a href='{$this->uri}&page=" . ($this->pageNum) . "'>{$this->config["last"]}</a> ";
return $html;
}
private function goPage() {
return ' <input type="text" onkeydown="javascript:if(event.keyCode==13){var page=(this.value>' . $this->pageNum . ')?' . $this->pageNum . ':this.value;location=\'' . $this->uri . '&page=\'+page+\'\'}" value="' . $this->page . '" style="width:25px"><input type="button" value="GO" onclick="javascript:var page=(this.previousSibling.value>' . $this->pageNum . ')?' . $this->pageNum . ':this.previousSibling.value;location=\'' . $this->uri . '&page=\'+page+\'\'"> ';
}
function fpage($display = array(0, 1, 2, 3, 4, 5, 6, 7, 8)) {
$html[0] = " 共有<b>{$this->total}</b>{$this->config["header"]} ";
$html[1] = " 每页显示<b>" . ($this->end() - $this->start() + 1) . "</b>条,本页<b>{$this->start()}-{$this->end()}</b>条 ";
$html[2] = " <b>{$this->page}/{$this->pageNum}</b>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;
}
}
controller
<?php $clist = new \Model\CModel(); $sql = 'select * from table where where'; $totalinfo = $clist->query($sql); $total = count($totalinfo); $per = 30; $page = new \Component\Page($total, $per); $sql = $sql . $page->limit; $info = $clist->query($sql); foreach ($info as $k => $v) { } $pagelist = $page->fpage(); $this->assign(info, $info); $this->assign('pagelist', $pagelist); $this->display(); ?>
view
<html> <head> <title></title> </head> <body> <div> <table> <tbody> <tr> <td colspan="20" style="text-align: center;"> {$pagelist} </td> </tr> </tbody> </table> </div> </body> </html>
编程改变生活
posted on 2017-11-25 20:55 coding-farmer 阅读(162) 评论(0) 编辑 收藏 举报