用jquery分页

来源:互联网 发布:2016年java程序员工资 编辑:程序博客网 时间:2024/05/21 23:08
<html><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>jQuery前端分页</title><link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css"><script type="text/javascript" src="http://www.jq22.com/demo/jquery-paging-150419132630/js/jquery.js"></script><script type="text/javascript">    $(function() {        //每页显示的数目        var show_per_page = 5;        //获取content对象里面,数据的数量        var number_of_items = $('#content').children().size();        //计算页面显示的数量        var number_of_pages = Math.ceil(number_of_items / show_per_page);        //隐藏域默认值        $('#current_page').val(0);        $('#show_per_page').val(show_per_page);        var navigation_html = '<a class="previous_link" href="javascript:previous();">上一页</a>';        var current_link = 0;        while (number_of_pages > current_link) {            navigation_html += '<a class="page_link" href="javascript:go_to_page(' + current_link + ')" longdesc="' + current_link + '">' + (current_link + 1) + '</a>';            current_link++;        }        navigation_html += '<a class="next_link" href="javascript:next();">下一页</a>';        $('#page_navigation').html(navigation_html);        //add active_page class to the first page link        $('#page_navigation .page_link:first').addClass('active_page');        //隐藏该对象下面的所有子元素        $('#content').children().css('display', 'none');        //显示第n(show_per_page)元素        $('#content').children().slice(0, show_per_page).css('display', 'block');    });    //上一页    function previous() {        new_page = parseInt($('#current_page').val()) - 1;        //if there is an item before the current active link run the function        if ($('.active_page').prev('.page_link').length == true) {            go_to_page(new_page);        }    }    //下一页    function next() {        new_page = parseInt($('#current_page').val()) + 1;        //if there is an item after the current active link run the function        if ($('.active_page').next('.page_link').length == true) {            go_to_page(new_page);        }    }    //跳转某一页    function go_to_page(page_num) {        //get the number of items shown per page        var show_per_page = parseInt($('#show_per_page').val());        //get the element number where to start the slice from        start_from = page_num * show_per_page;        //get the element number where to end the slice        end_on = start_from + show_per_page;        //hide all children elements of content div, get specific items and show them        $('#content').children().css('display', 'none').slice(start_from, end_on).css('display', 'block');        /*get the page link that has longdesc attribute of the current page and add active_page class to it        and remove that class from previously active page link*/        $('.page_link[longdesc=' + page_num + ']').addClass('active_page').siblings('.active_page').removeClass('active_page');        //update the current page input field        $('#current_page').val(page_num);    }</script><style>    #page_navigation a {        padding: 3px;        border: 1px solid gray;        margin: 2px;        color: black;        text-decoration: none    }        .active_page {        background: darkblue;        color: white !important;    }</style></head><body>    <!-- the input fields that will hold the variables we will use -->    <input type='hidden' id='current_page' />    <input type='hidden' id='show_per_page' />    <!-- Content div. The child elements will be used for paginating(they don't have to be all the same,you can use divs, paragraphs, spans, or whatever you like mixed together). '-->    <div id='content'>        <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</p>        <p>Vestibulum consectetur ipsum sit amet urna euismod imperdiet aliquam urna laoreet.</p>        <p>Curabitur a ipsum ut elit porttitor egestas non vitae libero.</p>        <p>Pellentesque ac sem ac sem tincidunt euismod.</p>        <p>Duis hendrerit purus vitae nibh tincidunt bibendum.</p>        <p>Nullam in nisi sit amet velit placerat laoreet.</p>        <p>Vestibulum posuere ligula non dolor semper vel facilisis orci ultrices.</p>        <p>Donec tincidunt lorem et dolor fringilla ut bibendum lacus fringilla.</p>        <p>In non eros eu lacus vestibulum sodales.</p>        <p>Duis ultrices metus sit amet sem adipiscing sit amet blandit orci convallis.</p>        <p>Proin ullamcorper est vitae lorem mollis bibendum.</p>        <p>Maecenas congue fringilla enim, tristique laoreet tortor adipiscing eget.</p>        <p>Duis imperdiet metus et lorem venenatis nec porta libero porttitor.</p>        <p>Maecenas lacinia lectus ac nulla commodo lacinia.</p>        <p>Maecenas quis massa nisl, sed aliquet tortor.</p>        <p>Quisque porttitor tellus ut ligula mattis luctus.</p>        <p>In at mi dolor, at consectetur risus.</p>        <p>Etiam id erat ut lorem fringilla dictum.</p>        <p>Curabitur sagittis dolor ac nisi interdum sed posuere tellus commodo.</p>        <p>Pellentesque quis magna vitae quam malesuada aliquet.</p>        <p>Curabitur tempus tellus quis orci egestas condimentum.</p>        <p>Maecenas laoreet eros ac orci adipiscing pharetra.</p>        <p>Nunc non mauris eu nibh tincidunt iaculis.</p>        <p>Ut semper leo lacinia purus hendrerit facilisis.</p>        <p>Praesent et eros lacinia massa sollicitudin consequat.</p>        <p>Proin non mauris in sem iaculis iaculis vel sed diam.</p>        <p>Nunc quis quam pulvinar nibh volutpat aliquet eget in ante.</p>        <p>In ultricies dui id libero pretium ullamcorper.</p>        <p>Morbi laoreet metus vitae ipsum lobortis ultrices.</p>        <p>Donec venenatis egestas arcu, quis eleifend erat tempus ullamcorper.</p>        <p>Morbi nec leo non enim mollis adipiscing sed et dolor.</p>        <p>Cras non tellus enim, vel mollis diam.</p>        <p>Phasellus luctus quam id ligula commodo eu fringilla est cursus.</p>        <p>Ut luctus augue tortor, in volutpat enim.</p>        <p>Cras bibendum ante sed erat pharetra sodales.</p>        <p>Donec sollicitudin enim eu mi suscipit luctus posuere eros imperdiet.</p>        <p>Vestibulum mollis tortor quis ipsum suscipit in venenatis nulla fermentum.</p>        <p>Proin vehicula suscipit felis, vitae facilisis nulla bibendum ac.</p>        <p>Cras iaculis neque et orci suscipit id porta risus feugiat.</p>        <p>Suspendisse eget tellus purus, ac pulvinar enim.</p>        <p>Morbi hendrerit ultrices enim, ac rutrum felis commodo in.</p>        <p>Suspendisse sagittis mattis sem, sit amet faucibus nisl fermentum vitae.</p>        <p>Nulla sed purus et tellus convallis scelerisque.</p>        <p>Nam at justo ut ante consectetur faucibus.</p>        <p>Proin dapibus nisi a quam interdum lobortis.</p>        <p>Nunc ornare nisi sed mi vehicula eu luctus mauris interdum.</p>        <p>Mauris auctor suscipit tellus, at sodales nisi blandit sed.</p>    </div>    <!-- An empty div which will be populated using jQuery -->    <div id='page_navigation'></div>    <ul class="pagination">        <li><a href="#">«</a></li>        <li><a href="#">1</a></li>        <li><a href="#">2</a></li>        <li><a href="#">3</a></li>        <li><a href="#">4</a></li>        <li><a href="#">5</a></li>        <li><a href="#">»</a></li>    </ul></body></html>

0 0
原创粉丝点击