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  • js实现分页效果

    <!DOCTYPE html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>jQuery前端分页显示特效 - 16素材网</title>
    <script type="text/javascript" src="js/jquery.js"></script>
    <script type="text/javascript">
    $(document).ready(function(){

    var show_per_page = 5;
     var number_of_items = $('#content').children().size();
     var number_of_pages = Math.ceil(number_of_items/show_per_page);

    $('#current_page').val(0);
    $('#show_per_page').val(show_per_page);

    var navigation_html = '<a class="previous_link" href="javascript:previous();">Prev</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();">Next</a>';
     
     $('#page_navigation').html(navigation_html);
     
     $('#page_navigation .page_link:first').addClass('active_page');
     
     $('#content').children().css('display', 'none');
     
     $('#content').children().slice(0, show_per_page).css('display', 'block');
     
    });

    function previous(){
     
     new_page = parseInt($('#current_page').val()) - 1;
     if($('.active_page').prev('.page_link').length==true){
      go_to_page(new_page);
     }
     
    }

    function next(){
     new_page = parseInt($('#current_page').val()) + 1;
     if($('.active_page').next('.page_link').length==true){
      go_to_page(new_page);
     }
     
    }

    function go_to_page(page_num){
     var show_per_page = parseInt($('#show_per_page').val());
     
     start_from = page_num * show_per_page;
     
     end_on = start_from + show_per_page;
     
     $('#content').children().css('display', 'none').slice(start_from, end_on).css('display', 'block');
     
     $('.page_link[longdesc=' + page_num +']').addClass('active_page').siblings('.active_page').removeClass('active_page');
     
     $('#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>

    <input type='hidden' id='current_page' />
     <input type='hidden' id='show_per_page' />

    <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>
      
     </div>

     <div id='page_navigation'></div><br>
    </body>
    </html>

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  • 原文地址:https://www.cnblogs.com/dearxinli/p/3119285.html
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