Jquery鼠標滾動到頁面底部自動加載更多內容,使用分頁


index.php代碼  
[html] view plaincopy
<!DOCTYPE html PUBLIC  " -//W3C//DTD XHTML 1.0 Transitional//EN "  " http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">  
<html xmlns= " http://www.w3.org/1999/xhtml ">  
    <head>  
        <meta http-equiv= " Content-Type " content= " text/html; charset=utf-8 " />  
        <title>滾屏加載--無刷新動態加載數據技術的應用-www.corange.cn</title>  
        <style type= " text/css ">  
            #container{margin:10px auto;width: 660px; border: 1px solid # 999;}   
            .single_item{padding: 20px; border-bottom: 1px dotted #d3d3d3;}  
            .author{position: absolute; left: 0px; font-weight:bold; color:#39f}  
            .date{position: absolute; right: 0px; color:# 999}  
            .content{line-height:20px; word- breakbreak-all;}  
            .element_head{width:  100%; position: relative; height: 20px;}  
            .nodata{display:none; height:32px; line-height:32px; text-align:center; color:# 999; font-size:14px}  
        </style>  
        <script type= " text/javascript " src= " ../jquery.js "></script>  
        <script type= " text/javascript ">  
            $(function() {  
                 var winH = $(window).height();  // 頁面可視區域高度  
                 var i =  1;  
                $(window).scroll(function() {  
                     var pageH = $(document.body).height();  
                     var scrollT = $(window).scrollTop();  // 滾動條top  
                     var aa = (pageH - winH - scrollT) / winH;  
                     if (aa <  0.02) {  
                        $.getJSON( " result.php ", {page: i}, function(json) {  
                             if (json) {  
                                 var str =  "";  
                                $.each(json, function(index, array) {  
                                     var str =  " <div class=\"single_item\"><div class=\"element_head\"> ";  
                                     var str = str +  " <div class=\"date\"> " + array[ ' date '] +  " </div> ";  
                                     var str = str +  " <div class=\"author\"> " + array[ ' author '] +  " </div> ";  
                                     var str = str +  " </div><div class=\"content\"> " + array[ ' content '] +  " </div></div> ";  
                                    $( " #container ").append(str);  
                                });  
                                i++;  
                            }  else {  
                                $( " .nodata ").show().html( " 別滾動了,已經到底了。。。 ");  
                                 return  false;  
                            }  
                        });  
                    }  
                });  
            });  
        </script>  
    </head>  
    <?php   
    require_once( ' connect.php ');   
    $user = array( ' demo1 ', ' demo2 ', ' demo3 ', ' demo3 ', ' demo4 ');   
    ?>   
    <div id= " container ">   
        <?php   
        $query=mysql_query( " select * from comments order by id desc limit 0,15 ");   
         while ($row=mysql_fetch_array($query)) {   
        ?>   
        <div  class= " single_item ">   
            <div  class= " element_head ">   
                <div  class= " date "><?php echo date( ' m-d H:i ',$row[ ' addtime ']);?></div>   
                <div  class= " author "><?php echo $user[$row[ ' userid ']];?></div>   
            </div>   
            <div  class= " content "><?php echo $row[ ' content '];?></div>   
        </div>   
        <?php } ?>   
    </div>   
    <div  class= " nodata "></div>   

result.php代碼


[php] view plaincopy在CODE上查看代碼片派生到我的代碼片
<?php  
require_once( ' connect.php ');  // 連接數據庫   
   
$user = array( ' demo1 ', ' demo2 ', ' demo3 ', ' demo3 ', ' demo4 ');   
$page = intval($_GET[ ' page ']);   // 獲取請求的頁數   
$start = $page* 15;   
$query=mysql_query( " select * from comments order by id desc limit $start,15 ");   
while ($row=mysql_fetch_array($query)) {   
    $arr[] = array(   
         ' content '=>$row[ ' content '],   
         ' author '=>$user[$row[ ' userid ']],   
         ' date '=>date( ' m-d H:i ',$row[ ' addtime '])   
    );   
}   
echo json_encode($arr);   // 轉換為json數據輸出   
?>  

connect.php代碼

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<?php  
$host= " localhost ";  
$db_user= " root ";  
$db_pass= "";  
$db_name= " demo ";  
$timezone= " Asia/Shanghai ";  
  
$link=mysql_connect($host,$db_user,$db_pass);  
mysql_select_db($db_name,$link);  
mysql_query( " SET names UTF8 ");  
?>  


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