php+ajax实现无刷新分页
php+ajax实现无刷新分页
发布时间:2016-12-29 来源:查字典编辑
摘要:本文实例讲述了php+ajax实现无刷新分页实现方法。分享给大家供大家参考。具体如下:limit偏移量,长度;limit0,7;第一页lim...

本文实例讲述了php+ajax实现无刷新分页实现方法。分享给大家供大家参考。具体如下:

limit 偏移量,长度;

limit 0,7; 第一页

limit 7,7; 第二页

limit 14,7; 第三页

每页信息条数:7

信息总条数:select count(*) from table

信息总页数:ceil向上取整(总条数/每页条数)

1、分页类具体使用

php+ajax实现无刷新分页1

<?php class Pagination { private $total; //数据表中总记录数 private $listRows; //每页显示行数 private $limit; //mysql 数据库的limit private $uri; //分页信息前面的uri地址 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 当前信息总条数 * $listRows 每页显示的条数 * $pa 下面的page http://网址/index.php?page=5 */ public function __construct($total, $listRows = 10, $pa = "") { $this->total = $total; $this->listRows = $listRows; $this->uri = $this->getUri($pa); $this->page = !empty($_GET["page"]) "] : 1;//不传入page,则默认显示首页 $this->pageNum = ceil($this->total / $this->listRows); $this->limit = $this->setLimit(); } //设置每页显示的条数 private function setLimit() { return "Limit " . ($this->page - 1) * $this->listRows . ", {$this->listRows}"; } //获得URL地址 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 $url; } //魔术方法, public function __get($args) { if ($args == "limit") return $this->limit; else return null; } //页面开始的条数 private function start() { if ($this->total == 0) return 0; else return ($this->page - 1) * $this->listRows + 1; } //页面结束的条数 private function end() { return min($this->page * $this->listRows, $this->total); } /*设置首页*/ private function first() { $html = ""; if ($this->page == 1) $html.=''.$this->config["first"].''; else $html.="<a href='javascript:void(0)' onclick='showPage("{$this->uri}&page=1")'>{$this->config["first"]}</a>"; //$html.="<a href='{$this->uri}&page=1'>{$this->config["first"]}</a>"; return $html; } /*设置上一页*/ private function prev() { $html = ""; if ($this->page == 1) $html.=''.$this->config["prev"].''; else $html.="<a href='javascript:void(0)' onclick='showPage("{$this->uri}&page=" . ($this->page - 1) . "")'>{$this->config["prev"]}</a>"; //$html.="<a href='{$this->uri}&page=".($this->page-1)."'>{$this->config["prev"]}</a>"; return $html; } //页码列表【首页】【2】【3】…………【尾页】 private function pageList() { $linkPage = ""; $inum = floor($this->listNum / 2); for ($i = $inum; $i >= 1; $i--) { $page = $this->page - $i; if ($page < 1) continue; $linkPage.="<a href='javascript:void(0)' onclick='showPage("{$this->uri}&page={$page}")'>{$page}</a>"; } $linkPage.="{$this->page}"; for ($i = 1; $i <= $inum; $i++) { $page = $this->page + $i; if ($page <= $this->pageNum) $linkPage.="<a href='javascript:void(0)' onclick='showPage("{$this->uri}&page={$page}")'>{$page}</a>"; else break; } return $linkPage; } /*设置下一页*/ private function next() { $html = ""; if ($this->page == $this->pageNum) $html.=''.$this->config["next"].''; else $html.="<a href='javascript:void(0)' onclick='showPage("{$this->uri}&page=" . ($this->page + 1) . "")'>{$this->config["next"]}</a>"; //$html.="<a href='{$this->uri}&page=".($this->page + 1)."'>{$this->config["next"]}</a>"; return $html; } /*设置尾页*/ private function last() { $html = ""; if ($this->page == $this->pageNum) $html.=''.$this->config["last"].''; else $html.="<a href='javascript:void(0)' onclick='showPage("{$this->uri}&page=" . ($this->pageNum) . "")'>{$this->config["last"]}</a>"; //$html.="<a href='{$this->uri}&page=.(this->pageNum).'>{$this->config["last"]}</a>"; return $html; } /*设置页面跳转*/ private function goPage() { return '<input type="text" onkeydown="javascript:if(event.keyCode==13){var page=(this.value>' . $this->pageNum . ')?' . $this->pageNum . ':this.value;showPage('' . $this->uri . '&page='+page+'')}" value="' . $this->page . '"> <input type="button" value="GO">'; } //页面列表配置选项 function fpage($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; } }

2 数据显示

php+ajax实现无刷新分页2

<?php //链接数据库 //获得具体信息 //分页显示 header("content-type:text/html;charset=utf-8"); $link = mysql_connect('localhost','root','111111'); mysql_select_db('shop', $link); mysql_query("set names utf8"); $css = <<<eof <style type="text/css"> table {border:1px solid black; width:700px; margin:auto; border-collapse:collapse;} td {border:1px solid black; } </style> eof; echo $css; echo " <table> <tr><td>序号</td><td>名称</td><td>数量</td><td>价格</td><td>时间</td></tr> "; //1 引入分页类 include "./Pagination.php"; //2. 获得信息总条数 $sql = "select * from sw_goods"; $qry = mysql_query($sql); $total = mysql_num_rows($qry); $per = 7; //3. 实例化分页类对象 $page_obj = new Pagination($total,$per); //4. 拼装sql语句,获得每页信息 //利用page_obj实现limit的灵活设置 //$page_obj -> limit; $sqla = "select * from sw_goods ".$page_obj->limit; $qrya = mysql_query($sqla); //5. 获得页面列表 $pagelist = $page_obj -> fpage(array(3,4,5,6,7,8)); $i=1; while($rsta = mysql_fetch_assoc($qrya)){ echo "<tr>"; echo "<td>".$i++."</td>"; echo "<td>".$rsta['goods_name']."</td>"; echo "<td>".$rsta['goods_number']."</td>"; echo "<td>".$rsta['goods_price']."</td>"; echo "<td>".date("Y-m-d H:i:s",$rsta['goods_create_time'])."</td>"; echo "</tr>"; } echo "<tr><td colspan=5>".$pagelist."</td></tr>"; echo "</table>";

3 ajax无刷新分页实现

open(‘get','http://网址/index.php?page=2')

php+ajax实现无刷新分页3

php+ajax实现无刷新分页4

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <title>新建网页</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="description" content="" /> <meta name="keywords" content="" /> <script type="text/javascript"> //获得分页信息ajax函数 function showPage(myurl){ var xhr = new XMLHttpRequest(); xhr.onreadystatechange = function(){ if(xhr.readyState==4){ var rst = document.getElementById("result"); rst.innerHTML = xhr.responseText; } } xhr.open("get",myurl); xhr.send(null); } window.onload = function(){ showPage("./data1.php"); //获得分页信息 //showPage("./data.php"); } </script> <style type="text/css"> </style> </head> <body> <h2>ajax无刷新分页效果</h2> <div id="result"></div> </body> </html> <script type="text/javascript"> document.write(new Date()+"<br />"); document.write(new Date()+"<br />"); document.write(new Date()+"<br />"); document.write(new Date()+"<br />"); </script>

php+ajax实现无刷新分页5

希望本文所述对大家的PHP程序设计有所帮助。

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