您好,登錄后才能下訂單哦!
這篇文章給大家介紹怎么在php中利用jax實現一個無刷新分頁功能,內容非常詳細,感興趣的小伙伴們可以參考借鑒,希望對大家能有所幫助。
具體如下:
limit 偏移量,長度;
limit 0,7; 第一頁
limit 7,7; 第二頁
limit 14,7; 第三頁
每頁信息條數:7
信息總條數:select count(*) from table
信息總頁數:ceil向上取整(總條數/每頁條數)
1、分頁類具體使用
<?php class Pagination { private $total; //數據表中總記錄數 private $listRows; //每頁顯示行數 private $limit; //mysql 數據庫的limit private $uri; //分頁信息前面的uri地址 private $pageNum; //頁數 private $config = array('header' => "個記錄", "prev" => "【上一頁】", "next" => "【下一頁】", "first" => "【首 頁】", "last" => "【尾 頁】"); private $listNum = 8; /* * $total 當前信息總條數 * $listRows 每頁顯示的條數 * $pa 下面的page http://網址/index.php?page=5 */ public function __construct($total, $listRows = 10, $pa = "") { $this->total = $total; $this->listRows = $listRows; $this->uri = $this->getUri($pa); $this->page = !empty($_GET["page"]) ? $_GET["page"] : 1;//不傳入page,則默認顯示首頁 $this->pageNum = ceil($this->total / $this->listRows); $this->limit = $this->setLimit(); } //設置每頁顯示的條數 private function setLimit() { return "Limit " . ($this->page - 1) * $this->listRows . ", {$this->listRows}"; } //獲得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 $url; } //魔術方法, public function __get($args) { if ($args == "limit") return $this->limit; else return null; } //頁面開始的條數 private function start() { if ($this->total == 0) return 0; else return ($this->page - 1) * $this->listRows + 1; } //頁面結束的條數 private function end() { return min($this->page * $this->listRows, $this->total); } /*設置首頁*/ 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; } /*設置上一頁*/ 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; } //頁碼列表【首頁】【2】【3】…………【尾頁】 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; } /*設置下一頁*/ 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; } /*設置尾頁*/ 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; } /*設置頁面跳轉*/ 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" onclick="javascript:var page=(this.previousSibling.value>' . $this->pageNum . ')?' . $this->pageNum . ':this.previousSibling.value;showPage(\'' . $this->uri . '&page=\'+page+\'\')"> '; } //頁面列表配置選項 function fpage($display = array(0, 1, 2, 3, 4, 5, 6, 7, 8)) { $html[0] = " 共有<b>{$this->total}</b>{$this->config["header"]} "; $html[1] = " 每頁顯示<b>" . ($this->end() - $this->start() + 1) . "</b>條,本頁<b>{$this->start()}-{$this->end()}</b>條 "; $html[2] = " <b>{$this->page}/{$this->pageNum}</b>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; } }
2 數據顯示
<?php //鏈接數據庫 //獲得具體信息 //分頁顯示 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>序號</td><td>名稱</td><td>數量</td><td>價格</td><td>時間</td></tr> "; //1 引入分頁類 include "./Pagination.php"; //2. 獲得信息總條數 $sql = "select * from sw_goods"; $qry = mysql_query($sql); $total = mysql_num_rows($qry); $per = 7; //3. 實例化分頁類對象 $page_obj = new Pagination($total,$per); //4. 拼裝sql語句,獲得每頁信息 //利用page_obj實現limit的靈活設置 //$page_obj -> limit; $sqla = "select * from sw_goods ".$page_obj->limit; $qrya = mysql_query($sqla); //5. 獲得頁面列表 $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無刷新分頁實現
open(‘get','http://網址/index.php?page=2')
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <title>新建網頁</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="description" content="" /> <meta name="keywords" content="" /> <script type="text/javascript"> //獲得分頁信息ajax函數 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"); //獲得分頁信息 //showPage("./data.php?page=2"); } </script> <style type="text/css"> </style> </head> <body> <h3>ajax無刷新分頁效果</h3> <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>
關于怎么在php中利用jax實現一個無刷新分頁功能就分享到這里了,希望以上內容可以對大家有一定的幫助,可以學到更多知識。如果覺得文章不錯,可以把它分享出去讓更多的人看到。
免責聲明:本站發布的內容(圖片、視頻和文字)以原創、轉載和分享為主,文章觀點不代表本網站立場,如果涉及侵權請聯系站長郵箱:is@yisu.com進行舉報,并提供相關證據,一經查實,將立刻刪除涉嫌侵權內容。