基于ajax实现点击加载更多无刷新载入到本页
内容导读
互联网集市收集整理的这篇技术教程文章主要介绍了基于ajax实现点击加载更多无刷新载入到本页,小编现在分享给大家,供广大互联网技能从业者学习和参考。文章包含2703字,纯文字阅读大概需要4分钟。
内容图文
![基于ajax实现点击加载更多无刷新载入到本页](/upload/InfoBanner/zyjiaocheng/383/35f74e1d1c4f4b94a2db550ede2b106f.jpg)
先给大家展示效果图:
效果演示
本例是分页的另外一种显示方式,并不是隐藏未显示的内容
数据库结构与《ajax 翻页》是一样的
JavaScript 代码
<script type="text/javascript"> $(document).ready(function() { var track_click = ; //track user click on "load more" button, righ now it is click var total_pages = <?php echo $total_pages; ?>; $('#results').load("fetch_pages.php", {'page':track_click}, function() {track_click++;}); //initial data to load $(".load_more").click(function (e) { //user clicks on button $(this).hide(); //hide load more button on click $('.animation_image').show(); //show loading image if(track_click <= total_pages) //make sure user clicks are still less than total pages { //post page number and load returned data into result element $.post('fetch_pages.php',{'page': track_click}, function(data) { $(".load_more").show(); //bring back load more button $("#results").append(data); //append data received from server //scroll page to button element $("html, body").animate({scrollTop: $("#load_more_button").offset().top}, ); //hide loading image $('.animation_image').hide(); //hide loading image once data is received track_click++; //user click increment on load button }).fail(function(xhr, ajaxOptions, thrownError) { alert(thrownError); //alert any HTTP error $(".load_more").show(); //bring back load more button $('.animation_image').hide(); //hide loading image once data is received }); if(track_click >= total_pages-) { //reached end of the page yet? disable load button $(".load_more").attr("disabled", "disabled"); } } }); }); </script>
XML/HTML代码
<div id="results"></div> <div align="center"> <button class="load_more" id="load_more_button">load More</button> <div class="animation_image" style="display:none;"><img src="ajax-loader.gif"> Loading...</div> </div>
fetch_pages.php
php代码
<?php include("conn.php"); $item_per_page = 3; //sanitize post value $page_number = filter_var($_POST["page"], FILTER_SANITIZE_NUMBER_INT, FILTER_FLAG_STRIP_HIGH); //throw HTTP error if page number is not valid if(!is_numeric($page_number)){ header('HTTP/1.1 500 Invalid page number!'); exit(); } //get current starting point of records $position = ($page_number * $item_per_page); //Limit our results within a specified range. $results = mysql_query("SELECT * FROM content ORDER BY id DESC LIMIT $position, $item_per_page"); //output results from database echo '<ul class="page_result">'; while($row = mysql_fetch_array($results)) { echo '<li id="item_'.$row["id"].'"><span class="page_name">'.$row["id"].') '.$row["name"].'</span><span class="page_message">'.$row["message"].'</span></li>'; } echo '</ul>'; ?>
以上内容是小编给大家介绍的基于ajax实现点击加载更多无刷新载入到本页,希望大家喜欢。
内容总结
以上是互联网集市为您收集整理的基于ajax实现点击加载更多无刷新载入到本页全部内容,希望文章能够帮你解决基于ajax实现点击加载更多无刷新载入到本页所遇到的程序开发问题。 如果觉得互联网集市技术教程内容还不错,欢迎将互联网集市网站推荐给程序员好友。
内容备注
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 gblab@vip.qq.com 举报,一经查实,本站将立刻删除。
内容手机端
扫描二维码推送至手机访问。