$(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();" rel="external nofollow" >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 +')" rel="external nofollow" longdesc="' + current_link +'">'+ (current_link + 1) +'</a>'; current_link++; } navigation_html += '<a class="next_link" href="javascript:next();" rel="external nofollow" >Next</a>'; $('#page_navigation').html(navigation_html); $('#page_navigation .page_link:first').addClass('active_page'); $('#content').children().css('display', 'none'); //and show the first n (show_per_page) elements $('#content').children().slice(0, show_per_page).css('display', 'block'); }); function previous(){ new_page = parseInt($('#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); }
文章代码：
<input type=’hidden’ id=’current_page’ />
<input type=’hidden’ id=’show_per_page’ />
<div id=’content’>
<p></p>
<p></p>
<p></p>
<p></p>
5个P为一页
</div>
<div id=’page_navigation’></div>
