Jquery, Ajax无刷新翻页,支持跳转页面

数据库与本站其他翻页的相同，本例和《query 无刷新翻页》均是非常实用的案例，而且本例更简单易懂

演示

XML/HTML Code

<div id="main">
        <div id="loading"></div>
        <div id="container">
            <div class="data"></div>
            <div class="pagination"></div>
        </div>
</div>

js

 

JavaScript Code

<script type="text/javascript">
            $(document).ready(function(){
                function loading_show(){
                    $('#loading').html("<img src='images/loading.gif'/>").fadeIn('fast');
                }
                function loading_hide(){
                    $('#loading').fadeOut('fast');
                }
                function loadData(page){
                    loading_show();
                    $.ajax
                    ({
                        type: "POST",
                        url: "load.php",
                        data: "page="+page,
                        success: function(msg)
                        {
                            $("#container").ajaxComplete(function(event, request, settings)
                            {
                                loading_hide();
                                $("#container").html(msg);
                            });
                        }
                    });
                }
                loadData(1);  // For first time page load default results
                $('#container .pagination li.active').live('click',function(){
                    var page = $(this).attr('p');
                    loadData(page);

                });
                $('#go_btn').live('click',function(){
                    var page = parseInt($('.goto').val());
                    var no_of_pages = parseInt($('.total').attr('a'));
                    if(page != 0 && page <= no_of_pages){
                        loadData(page);
                    }else{
                        alert('Enter a PAGE between 1 and '+no_of_pages);
                        $('.goto').val("").focus();
                        return false;
                    }

                });
            });
        </script>

 

load.php

PHP Code

<?php
if($_REQUEST['page'])
{
$page = $_REQUEST['page'];
$cur_page = $page;
$page -= 1;
$per_page = 10;
$previous_btn = true;
$next_btn = true;
$first_btn = true;
$last_btn = true;
$start = $page * $per_page;
include_once('conn.php');

$query_pag_data = "SELECT id,name from content LIMIT $start, $per_page";
$result_pag_data = mysql_query($query_pag_data) or die('MySql Error' . mysql_error());
$msg = "";
while ($row = mysql_fetch_array($result_pag_data)) {
$htmlmsg=htmlspecialchars($row['name']);
    $msg .= "<li><b>" . $row['id'] . "</b> " . $htmlmsg . "</li>";
}
$msg = "<div class='data'><ul>" . $msg . "</ul></div>"; // Content for Data


/* --------------------------------------------- */
$query_pag_num = "SELECT COUNT(*) AS count FROM content";
$result_pag_num = mysql_query($query_pag_num);
$row = mysql_fetch_array($result_pag_num);
$count = $row['count'];
$no_of_paginations = ceil($count / $per_page);

/* ---------------Calculating the starting and endign values for the loop----------------------------------- */
if ($cur_page >= 7) {
    $start_loop = $cur_page - 3;
    if ($no_of_paginations > $cur_page + 3)
        $end_loop = $cur_page + 3;
    else if ($cur_page <= $no_of_paginations && $cur_page > $no_of_paginations - 6) {
        $start_loop = $no_of_paginations - 6;
        $end_loop = $no_of_paginations;
    } else {
        $end_loop = $no_of_paginations;
    }
} else {
    $start_loop = 1;
    if ($no_of_paginations > 7)
        $end_loop = 7;
    else
        $end_loop = $no_of_paginations;
}
/* ----------------------------------------------------------------------------------------------------------- */
$msg .= "<div class='pagination'><ul>";

// FOR ENABLING THE FIRST BUTTON
if ($first_btn && $cur_page > 1) {
    $msg .= "<li p='1' class='active'>First</li>";
} else if ($first_btn) {
    $msg .= "<li p='1' class='inactive'>First</li>";
}

// FOR ENABLING THE PREVIOUS BUTTON
if ($previous_btn && $cur_page > 1) {
    $pre = $cur_page - 1;
    $msg .= "<li p='$pre' class='active'>Previous</li>";
} else if ($previous_btn) {
    $msg .= "<li class='inactive'>Previous</li>";
}
for ($i = $start_loop; $i <= $end_loop; $i++) {

    if ($cur_page == $i)
        $msg .= "<li p='$i' style='color:#fff;background-color:#006699;' class='active'>{$i}</li>";
    else
        $msg .= "<li p='$i' class='active'>{$i}</li>";
}

// TO ENABLE THE NEXT BUTTON
if ($next_btn && $cur_page < $no_of_paginations) {
    $nex = $cur_page + 1;
    $msg .= "<li p='$nex' class='active'>Next</li>";
} else if ($next_btn) {
    $msg .= "<li class='inactive'>Next</li>";
}

// TO ENABLE THE END BUTTON
if ($last_btn && $cur_page < $no_of_paginations) {
    $msg .= "<li p='$no_of_paginations' class='active'>Last</li>";
} else if ($last_btn) {
    $msg .= "<li p='$no_of_paginations' class='inactive'>Last</li>";
}
$goto = "<input type='text' class='goto' size='1' style='margin-top:-1px;margin-left:60px;'/><input type='button' id='go_btn' class='go_button' value='Go'/>";
$total_string = "<span class='total' a='$no_of_paginations'>Page <b>" . $cur_page . "</b> of <b>$no_of_paginations</b></span>";
$msg = $msg . "</ul>" . $goto . $total_string . "</div>";  // Content for pagination
echo $msg;
}?>

 翻页样式css

CSS Code

<style type="text/css">

            #loading{
                position: absolute;
                top: 200px;
                left:400px;
            }
            #container .pagination ul li.inactive,
            #container .pagination ul li.inactive:hover{
                background-color:#ededed;
                color:#bababa;
                border:1px solid #bababa;
                cursor: default;
            }
            #container .data ul li{
                list-style: none;
                margin: 5px 0 5px 50px;
                color: #000;
                font-size: 14px;
            }

            #container .pagination{
                width: 600px;
                height: 25px;
            }
            #container .pagination ul li{
                list-style: none;
                float: left;
                border: 1px solid #006699;
                padding: 2px 6px 2px 6px;
                margin: 0 3px 0 3px;
                font-family: arial;
                font-size: 14px;
                color: #006699;
                font-weight: bold;
                background-color: #f2f2f2;
            }
            #container .pagination ul li:hover{
                color: #fff;
                background-color: #006699;
                cursor: pointer;
            }
            .go_button
            {
            background-color:#f2f2f2;border:1px solid #006699;color:#cc0000;padding:2px 6px 2px 6px;cursor:pointer;position:absolute;margin-top:-1px;
            }
            .total
            {
            float:rightright;font-family:arial;color:#999;
            }

        </style>

原文地址:http://www.freejs.net/article_fenye_49.html