PHP+jQuery-ui拖动浮动层排序并保存到数据库实例

 1 <script type="text/javascript" src="jquery.js"></script>  
 2 <script type=‘text/javascript‘ src=‘js/jquery-ui.min.js‘></script>
 3 <div id="loader"></div>  
 4 <div id="module_list">  
 5 <input type="hidden" id="orderlist" value="<?php echo $sort; ?>" />  
 6    <!--?php 
 7                 for ($i = 0; $i < $len; $i++) { 
 8                     ?-->  
 9    <div class="modules" title="<?php echo $sort_arr[$i]; ?>">  
10     <h3 class="m_title">Module: 
11      <!--?php echo $sort_arr[$i]; ?--></h3>  
12     <p> 
13      <!--?php echo $sort_arr[$i]; ?--></p>  
14    </div>  
15    <!--?php } ?-->  
16    <div class="cl"></div>  
17 </div>

 1 $(function() { 
 2     $(".m_title").bind(‘mouseover‘, 
 3     function() { 
 4         $(this).css("cursor", "move") 
 5     }); 
 6  
 7     var $show = $("#loader"); //进度条 
 8     var $orderlist = $("#orderlist"); 
 9     var $list = $("#module_list"); 
10  
11     $list.sortable({ 
12         opacity: 0.6, 
13         revert: true, 
14         cursor: ‘move‘, 
15         handle: ‘.m_title‘, 
16         update: function() { 
17             var new_order = []; 
18             $list.children(".modules").each(function() { 
19                 new_order.push(this.title); 
20             }); 
21             var newid = new_order.join(‘,‘); 
22             var oldid = $orderlist.val(); 
23             $.ajax({ 
24                 type: "post", 
25                 url: "update.php", 
26                 data: { 
27                     id: newid, 
28                     order: oldid 
29                 }, 
30                 //id:新的排列对应的ID,order：原排列顺序 
31                 beforeSend: function() { 
32                     $show.html("<img src=‘images/load.gif‘ /> 正在更新"); 
33                 }, 
34                 success: function(msg) { 
35                     $show.html(""); 
36                 } 
37             }); 
38         } 
39     }); 
40 });

 1 $order = $_POST[‘order‘]; 
 2 $itemid = trim($_POST[‘id‘]); 
 3 if (!empty($itemid)) { 
 4     if ($order != $itemid) { 
 5         $query = mysql_query("update sortlist set sort=‘$itemid‘ where id=1"); 
 6         if ($query) { 
 7             echo $itemid; 
 8         } else { 
 9             echo "none"; 
10         } 
11     } 
12 }