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一款非常简洁漂亮方便调用的jQuery前端分页

导入资源:


<script type="text/javascript" src="js/jquery.js"></script>

javascript代码:


<script type="text/javascript">
$(document).ready(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>

CSS样式:


<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>